Database Develop

[GUIDE] Build Debian image to run on Tab via chroot

I've been experimenting and gathering information all day on how to build a Debian image to run on the Tab (and any other ARM Android devices, for that matter). I've found all the stuff on how to use the Ubuntu images posted, but I really wanted to know how to build a minimal system that I could have complete control over. (I used the latest version of Debian available, Squeeze, when building this, so anything that references "Squeeze" in the commands is because of that. You can easily substitute in a more generic name for files.)
I am going to break this down into a few sections.
Requirements:
Debian or Ubuntu machine (I used a VM with Ubuntu 11.04 installed on it)
Rooted Tab with BusyBox installed
Create the Image:
On the Linux machine you will need to install debootstrap
Code:
sudo apt-get install debootstrap
Create a blank image, format it and then mount it
Code:
dd if=/dev/zero of=squeeze.img bs=1M count=512
mkfs.ext4 -F squeeze.img
sudo mkdir /mnt/squeeze/
sudo mount -t ext4 -o loop squeeze.img /mnt/squeeze/
Note: The image file above is for 512MB, change it to "count=1024" for 1GB, I tried 512MB and it was very limited in space once X was installed.
Run debootstrap and install the system into the image
Code:
sudo debootstrap --verbose --arch armel --foreign squeeze /mnt/squeeze/ http://ftp.debian.org/debian
Unmount the image
Code:
sudo umount /mnt/squeeze/
Install the Image
Create a folder on the Tab, I used /sdcard/debian/ as my storage for my Debian files. Copy your newly created image over into the folder.
Installation will involve the following:
Creating a mount point and mounting the image
Chrooting into the Debian system
Setting some variables
Running the debootstrap installation
Either in a terminal on the device or using adb, do the following to install the system. (The code is commented to better explain how things are working.)
Code:
# Gain root access
su
# Create a mount point and mount the image file into it
# You can substitute any folder instead /data/local/debian/
mkdir /data/local/debian/
mount -o loop,noatime -t ext4 /sdcard/debian/squeeze.img /data/local/debian/
# Chroot into the Debian system
chroot /data/local/debian/ /bin/sh
# Set some required variables
export PATH=$bin:/usr/bin:/usr/sbin:/bin:$PATH
export TERM=linux
export HOME=/
export USER=root
# Set the shell prompt just in case it got overwritten by something else
export PS1='[email protected]$HOSTNAME:${PWD-?} # '
# Run debootstrap
sh /debootstrap/debootstrap --second-stage
# Start a bash shell
/bin/bash
DO NOT EXIT THE SHELL BEFORE MOVING ON TO THE NEXT SECTION
First Boot
Technically the system is running, but if you start to use it you will quickly notice some things just aren't right. There are a few things that I've found that I've needed to do in order to get things running right. You should only need to do these the first time the system is run.
In the Debian shell that is still running on the Tab, do the following
Code:
# This is for working DNS
echo "nameserver 8.8.8.8" > /data/local/debian/etc/resolv.conf
echo "nameserver 8.8.4.4" >> /data/local/debian/etc/resolv.conf
echo "127.0.0.1 localhost" > /data/local/debian/etc/hosts
# Needed to install packages from the repository
echo "deb http://ftp.debian.org/debian/ squeeze main contrib non-free" > /etc/apt/sources.list
echo "deb-src http://ftp.debian.org/debian/ squeeze main contrib non-free" > /etc/apt/sources.list
# Do the initial update of the package repository
apt-get update
Once that is complete return to the Android system by running the exit command
Code:
exit
So that's a fully running system right there. But we haven't addressed starting and shutting down the system.
Here is what a simple boot script would look like to both run and stop the system:
Code:
clear
echo "Mounting Debian Squeeze..."
mount -t ext4 -o loop squeeze.img /mnt/squeeze/
echo "Setting environmental variables..."
export PATH=$bin:/usr/bin:/usr/sbin:/bin:/sbin:$PATH
export TERM=linux
export HOME=/
export USER=root
export PS1='[email protected]:${PWD-?} # '
echo "Mounting devpts/proc/sysfs..."
mount -t devpts devpts /data/local/debian/dev/pts
mount -t proc proc /data/local/debian/proc
mount -t sysfs sysfs /data/local/debian/sys
echo "Chrooting into Debian Squeeze..."
chroot /data/local/debian/ /bin/bash
echo "Unmounting devpts/proc/sysfs..."
umount /data/local/debian/dev/pts
umount /data/local/debian/proc
umount /data/local/debian/sys
echo "Unmounting Debian Squeeze..."
umount /mnt/squeeze/
You will notice that the script also mounts and unmounts additional system filesystems. Also, the script basically pauses right after the chroot command waiting for the process to end, which occurs when you type exit inside of the Debian system. In effect, the script queues up the umount commands for whenever the Debian system is exited.
I use a script similar to that (without the mount/umount because I prefer to do that myself) to start my system. I have it saved to /sdcard/debian/debian and I start the system with the following command:
Code:
su
sh /sdcard/debian/debian
Issues:
The following issues have been encountered:
If the image file is mounted then unmounted, if you try to remount the image again it will error out. (Reboot to solve)
Optional Installation:
Of course the steps above leave you with a working system, but no doubt you will want more functionality.
I've installed TightVNC using the following command:
Code:
apt-get install tightvncserver
To start it:
Code:
vncserver -geometry 1280×752
After that you can connect to it using any VNC software, either local or over the network. If you connect local, be sure to use 127.0.0.1:5901.
Note: This does not install a window manager, if you VNC into the Tab you will get a blank desktop.
I also found that the less command was missing. Turns out the easy fix was to do the following:
Code:
apt-get install less
Finally...
All of this has just been what I've encountered so far today, haven't done much more than set up the system. Please let me know if I'm missing any key parts of the system or if there are any ways that this could be more streamlined.
Hope this helps someone

Thanks man, after rooting my SGT i have been looking for something like this, i'll try it when arrive home.

does touch screen work?

hardt2788 said:
does touch screen work?
Click to expand...
Click to collapse
Dear god man read! It runs as a Virtual Machine on your tablet and you use a VNC client to control it. So yes touchscreen works but it is not a duel boot and is "piggy backing" off android.
So if someone emails you can switch to the email app then back to the vnc app.

You need pills.
Sent from my GT-P7510 using XDA Premium App

maniac3389, have you tried running lxde instead of gnome to see if it runs any faster?

hardt2788 said:
does touch screen work?
Click to expand...
Click to collapse
Sorry, been a few days since I've been on here. Well, the concept is that you run a VNC server in the Debian system and you "remote" into it via a VNC client on the Honeycomb side.

jamezelle said:
maniac3389, have you tried running lxde instead of gnome to see if it runs any faster?
Click to expand...
Click to collapse
Been a bit since I've worked with it, it installed and worked but something was quirky about it. (can't recall what it was)

Bionic Webtop Chromium (Chrome) Browser

This thread is now obsolete!
Use this thread to do way more!!!
THIS COULD BREAK EVERYTHING IN THE WORLD AND SCREW UP YOUR LIFE FOREVER!!!! YOUR PHONE COULD BE BRICKED!!! YOUR WIFE COULD LEAVE YOU AND YOUR PARENTS COULD DIE!!! DO THIS AT YOUR OWN RISK!!! MAKE SURE TO HAVE A COPY OF THE FASTBOOT FILES FOR THE BIONIC JUST IN CASE!!!
I got Chromium Browser to run on the Webtop. It's a little messy (have to open it through a terminal emulator) but it works. I borrowed heavily from Sogarth who made this thread.
Made it a little easier.
Unzip and place the webtopchromium folder on the root of /sdcard-ext
webtopchromium.zip
If you are plugged into a computer make sure to change USB Mode to charge only before you proceed.
Use a terminal emulator or adb to run these commands:
Code:
su
/usr/bin/sudo -H -u root bash
cd /mnt/sdcard-ext/webtopchromium
sh webtopchromium.sh
This may take 10 minutes or so...
When it is finished reboot...
Use a terminal emulator or adb to run these commands:
Code:
su
/usr/bin/sudo -H -u root bash
cd /mnt/sdcard-ext/webtopchromium
sh installdeb.sh
Now when inside webtop open a terminal emulator in the phone window and run:
Code:
su
/usr/bin/sudo -H -u adas bash
export DISPLAY=:0
chromium-browser
You can just run the installdeb.sh (much faster) if you don't want to backup webtop with rsync. You can always use the fast boot to fix either way.
**Thanks to tallnerd for suggesting the faster method**
**A huge thanks to Sogarth for discovering all this first for the Atrix**

reserved
To uninstall and revert back to the stock webtop:
Using adb with root access:
adb shell
su
mount -o rw,remount /dev/block/mmcblk0p12 /system
cd /system/bin
mv mountosh mountosh.new
mv mountosh.orig mountosh
cd /data
rm ubuntu.disk
Reboot

I tried this, but it broke my Xperia Play. The micro HDMI cable I bought also broke the micro USB port on my phone.

v1r7u41 said:
THIS COULD BREAK EVERYTHING IN THE WORLD AND SCREW UP YOUR LIFE FOREVER!!!! YOUR PHONE COULD BE BRICKED!!! YOUR WIFE COULD LEAVE YOU AND YOUR PARENTS COULD DIE!!! DO THIS AT YOUR OWN RISK!!! MAKE SURE TO HAVE A COPY OF THE FASTBOOT FILES FOR THE BIONIC JUST IN CASE!!!
I got Chromium Browser to run on the Webtop. It's a little messy (have to open it through a terminal emulator) but it works. I borrowed heavily from Sogarth who made this thread.
Get a copy of these debs and put them on your sdcard-ext.
chromium-browser
Dependencies
Make sure to unzip the debs.zip and copy the .deb files and the mountosh.new to the sdcard-ext.
Use adb or android terminal-emulator.
Now check to make sure you have at least 1G free:
Code:
/bin/df -h /data
There should be at least 1.0G under the Used column. If not, you won't have enough to create a decent disk. If so, then you can keep going:
Code:
su
/usr/bin/sudo -H -u root bash
mount -o rw,remount /dev/block/mmcblk0p12 /system
/bin/dd if=/dev/zero of=/data/ubuntu.disk bs=1024 count=1048576
/sbin/losetup /dev/block/loop7 /data/ubuntu.disk
/sbin/mkfs -t ext3 -m 1 -b 2048 /dev/block/loop7
mkdir /tmp/osh
/bin/mount -t ext3 /dev/block/loop7 /tmp/osh
At this point, we've created a 1 GB disk file (1,024×1,024=1,048,576), formatted it as ext3, and mounted it in /tmp/osh.
I'll assume that rsync is in /mnt/sdcard-ext:
Code:
mkdir /tmp/deb
/usr/bin/dpkg-deb -x /mnt/sdcard-ext/rsync* /tmp/deb
/tmp/deb/usr/bin/rsync -avx /osh/ /tmp/osh/
And now we have a duplicate of our /osh partition.
After that:
Code:
mv /system/bin/mountosh /system/bin/mountosh.orig
cp /mnt/sdcard-ext/mountosh.new /system/bin/mountosh
chmod 0755 /system/bin/mountosh
chown 0 /system/bin/mountosh
chgrp 2000 /system/bin/mountosh
You can now reboot your device, and you should now boot into the new partition we've just created.
Now Install the debs.
Code:
su
/usr/bin/sudo -H -u root bash
touch /osh/var/lib/dpkg/status
touch /osh/var/lib/dpkg/available
mkdir /osh/var/lib/dpkg/updates
dpkg -i --force-all --root=/osh /sdcard-ext/chromium*
dpkg -i --force-all --root=/osh /sdcard-ext/libxss*
dpkg -i --force-all --root=/osh /sdcard-ext/lzma*
You will get some errors from dpkg but just ignore them. Moto broke dpkg's way of telling what is already installed.
Now to run chromium you will need to start webtop like you usually do
then open a terminal-emulator in the phone window and type this
Code:
su
/usr/bin/sudo -H -u adas bash
export DISPLAY=:0
chromium-browser
Click to expand...
Click to collapse
You should make a chromium icon/app that will run that last command when you click it

Yeah. I definitely need to clean this up, but I just wanted to get things moving .

I'm anxious to try this. I'll gladly be the third person to do it, but I don't want to be the second. Someone with more experience than I give it a try.

updated to make it a little easier

Posting this from Chrome on Webtop. It is noticeably faster than Firefox. Like butta!
Thank you so much for putting this together!

Maybe I'm missing something here but when running the script/install all goes well til the very last line, when I enter the "chromium-browser" command it states bash: chromium-browser not found. Can someone give me an idea of what I'm missing or doing wrong here please

Check your /sdcard-ext/webtopchromium folder before you run the installdeb.sh and make sure these are there:
chromium-browser-inspector_12.0.742.112~r90304-0ubuntu0.10.10.1_all.deb
chromium-codecs-ffmpeg_10.0.648.205~r81283-0ubuntu0.10.10.1_armel.deb
chromium-browser_10.0.648.205~r81283-0ubuntu0.10.10.1_armel.deb
libxss1_1%3a1.2.0-2_armel.deb
lzma_4.43-14ubuntu2_armel.deb
If chromium-browser_10.0.648.205~r81283-0ubuntu0.10.10.1_armel.deb isn't there run:
Code:
cd /sdcard-ext/webtopchromium
/tmp/deb/usr/bin/wget https://answers.launchpad.net/~ubuntu-security-proposed/+archive/ppa/+build/2443315/+files/chromium-browser_10.0.648.205%7Er81283-0ubuntu0.10.10.1_armel.deb

Well this sucks, I did a full wipe/nandroid restore and now that it's done I go to download the files and they're not there. Can anyone re-upload the files for me please?

Why, oh why did Moto not use Chrome? It is faster and I have not had a single low memory warning while using Chrome. In fact, I have yet to have it register over 3% in memory manager. Thanks again V1r7.

I'll setup a host for the files soon. Check back later (im away from computer) tonight.
Sent from my DROID BIONIC using XDA App

Got the file off of my computer, still running into issues though. Verified that all of the correct files are there and installed/uninstalled a few times just to verify. Quick question are you guys running the webtop adaptor or the lapdock? I'm running on the lapdock and wondering if this would make any difference at all if you're using the webtop.

I'm using the lapdock. Sorry I don't know enough to help you out. I'm rooted and followed the instructions and it worked.

Goto your terminal and type
busybox find /osh/usr/bin -name chrom*
Let me know what you find.
Sent from my DROID BIONIC using XDA App

When I type those commands it does absolutely nothing, just goes on to the next terminal line the same as the last.

try:
busybox find /sdcard-ext/webtopchromium/ -name chrom*

v1r7u41 said:
try:
busybox find /sdcard-ext/webtopchromium/ -name chrom*
Click to expand...
Click to collapse
When I type that it comes up with these results:
/sdcard-ext/webtopchromium/chromium-browser-inspector_12.0.742.112-r90304-0ubuntu0.10.10.1_all.deb
/sdcard-ext/webtopchromium/chromium-codecs-ffmpeg_10.0.648.205-r81283-0ubuntu0.10.10.1_armel.deb
/sdcard-ext/webtopchromium/chromium-browser_10.0.648.205-r81283-0ubuntu0.10.10.1_armel.deb
/sdcard-ext/webtopchromium/chromium-browser_10.0.648.205-r81283-0ubuntu0.10.10.1_armel.deb.1
/sdcard-ext/webtopchromium/chromium-browser_10.0.648.205-r81283-0ubuntu0.10.10.1_armel.deb.2

Open terminal:
su
/usr/bin/sudo -H -u root bash
cd /sdcard-ext/webtopchromium
dpkg -i --force-all --root=/osh chrom*
exit
/usr/bin/sudo -H -u adas bash
export DISPLAY:0
chromium-browser

Ubuntu on Ideos X6

There are threads on this site and elsewhere showing the steps to boot ubuntu on android phones. Our Ideos X6 comes with a powerful hardware so i believe we can run ubuntu on it. But it seems that the kernel must support loop devices. Can anyone make a custom kernel supporting loop devices.
Or has anyone successful in running Ubuntu on Ideos X6.

Our kernel have support for loop device. Take this little instruction how install ubuntu oneiric, also the same process for debian just write distribution name and correct url in debootstrap.
1. this stage you must complete on your linux pc.
Code:
#debootstrap part on PC
sudo apt-get install debootstrap
sudo dd if=/dev/zero of=ubuntu.img seek=838860800 bs=1 count=1
sudo mke2fs -F ubuntu.img
sudo mkdir ubuntu
sudo mount -o loop ubuntu.img ubuntu/
sudo debootstrap --arch armel --foreign oneiric ubuntu http:/ports.ubuntu.com/ubuntu-ports/
sudo umount ubuntu
sudo rm -r ubuntu
2. push this ubuntu.img to sdcard on your phone.
Code:
adb push ubuntu.img /sdcard/ubuntu.img
3. create this script as ubuntu.sh on your sdcard too
Code:
echo "Setting some stuff up.."
export bin=/system/bin
export img=/mnt/sdcard/ubuntu.img
export mnt=/data/local/ubuntu
export PATH=$bin:/usr/bin:/usr/sbin:/bin:$PATH
export TERM=linux
export HOME=/root
mkdir $mnt
echo "Mounting the Linux Image"
busybox losetup /dev/block/loop7 $img
mount -t ext2 -o noatime,nodiratime /dev/block/loop7 $mnt
mount -t devpts devpts $mnt/dev/pts
mount -t proc proc $mnt/proc
mount -t sysfs sysfs $mnt/sys
echo "Setting Up Networking"
busybox sysctl -w net.ipv4.ip_forward=1
echo "nameserver 8.8.8.8" > $mnt/etc/resolv.conf
echo "nameserver 8.8.4.4" >> $mnt/etc/resolv.conf
echo "127.0.0.1 localhost" > $mnt/etc/hosts
echo "Mounting sdcard in /mnt"
mkdir $mnt/mnt/sdcard
busybox mount --bind /mnt/sdcard/ $mnt/mnt/sdcard
echo "Entering CHROOT "
echo " "
busybox chroot $mnt /bin/bash
echo " "
echo "Shutting down CHROOT"
umount $mnt/mnt/emmc
umount $mnt/mnt/sdcard
busybox sysctl -w net.ipv4.ip_forward=0
umount $mnt/dev/pts
umount $mnt/proc
umount $mnt/sys
umount $mnt
busybox losetup -d /dev/block/loop7
4. So now we connect to device, run superuser permission, and chroot to ubuntu
Code:
sudo adb shell
su
sh /sdcard/ubuntu.sh
5.run continue deboostrap
Code:
/debootstrap/debootsrap --second-stage
6. setup apt
Code:
echo 'deb http:/ports.ubuntu.com/ubuntu-ports/ oneiric main' >/etc/apt/sources.list
apt-get clean
apt-get update
7. add root password
Code:
passwd root
8. exit from ubuntu shell with 'exit' and run it again sh /sdcard/ubuntu.sh from terminal emulator on your device or via adb shell.
So, now ubuntu install successfully on your phone and you may install openssh and vnc server.
P.S. http:/ correct it with two //, I can't push correct link to forum. its denied post urls.

Error
I followed your steps exactly as given and changed / to // in http i am getting the following output when i ran ubuntu.sh. kindly help
# sh ubuntu.sh
Setting some stuff up..
mkdir failed for /data/local/ubuntu, File exists
Mounting the Linux Image
losetup: /dev/block/loop7
mount: Device or resource busy
mount: No such file or directory
mount: No such file or directory
mount: No such file or directory
Setting Up Networking
net.ipv4.ip_forward = 1
ubuntu.sh: cannot create /data/local/ubuntu/etc/resolv.conf: directory nonexistent
ubuntu.sh: cannot create /data/local/ubuntu/etc/resolv.conf: directory nonexistent
ubuntu.sh: cannot create /data/local/ubuntu/etc/hosts: directory nonexistent
Mounting sdcard in /mnt
mkdir failed for /data/local/ubuntu/mnt/sdcard, No such file or directory
mount: mounting /mnt/sdcard/ on /data/local/ubuntu/mnt/sdcard failed: No such file or directory
Entering CHROOT
chroot: can't execute '/bin/bash': No such file or directory
Shutting down CHROOT
failed.
failed.
net.ipv4.ip_forward = 0
failed.
failed.
failed.
failed.
losetup: /dev/block/loop7: Device or resource busy

Possbile what loop7 device already busy on your phone.
ry this command to see it
Code:
busybox losetup
And try manual steps which in script to see which step is failed.

When I type
Code:
#busybox losetup
nothing happens
when i type
Code:
#busybox losetup /dev/block/loop7 /mnt/sdcard/ubuntu.img
losetup: /dev/block/loop7
Code:
#mount -t ext2 -o noatime,nodiratime /dev/block/loop7 /data/local/ubuntu
mount: Device or resource busy
the second line is the outputfrom the command.

Do you phone have block devices in /dev/block/ ?

just checked using root explorer. there are many loop# files in /dev/block folder

You may try with UC kernel, or try with ext3 file system. I suppose what your kernel without support ext2.

i tried with UC v5. It supports ext2,ext3 and ext4. Still getting same error.
Should i convert my android filesystem to ext2,3,0r 4. If yes how to do it?

No, you don't need do converting. Problem with loop device or mount, try to see busybox losetup after mount image to block device, it's must show what image mounted to block device. If it's ok, try different option for mount.
I don't have anymore ideas why it doesn't work.
This scenario successful work on my phone.

Can you tell me what ROM you are using
Sent from my CSL-MI410 using XDA App

Last rom from wellcom (2.3-V318E)

now it works. Installed ubuntu. But i am now unable to install any package. when i try to install tightvncserver i get error message
E: Unable to locate package tightvncserver
actally i am not able to install any package
i have checked the /etc/apt/sourcels.list and it contains the required entry and i also did
apt-get clean
apt-get update
and it updates without any error

You need add another repositories to /etc/sources.list such as universe, multiverse, restricted with the same path.

Chroot. Running Debian 7.8 on Chromecast

How to install chrooted Debian 7.8 on a Chromecast (Debcast?)
English are not my native language but I will try answer any questions
Step 1 – 5 was made on a Debian 7.8 computer (raspbian)
Step 6 – 12 was made in Chromecast shell
1. Install debootstrap
Code:
su
apt-get install debootstrap
2. Download mini-installation for armhf with debootstrap, this will take a while.
Code:
debootstrap --arch=armhf --variant=minbase --foreign wheezy debian http://http.debian.net/debian
3. Tar the downloaded
Code:
tar -cvf debian.tar debian/
4. Send debian.tar to CC,data dir is writable
Code:
cat debian.tar | ssh [email protected][chromecast-ip] 'cat > /data/debian.tar'
5. ssh to chromecast
Code:
ssh [email protected](chromecast-ip)
6. Untar
Code:
cd /data
tar -xvf debian.tar
7. Create a start file for Chroot
Code:
vi /data/chroot.sh
#!/bin/sh
# Fix all PATH for Debian
export ROOT=/data/debian
export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH
export HOME=/root
# remount /data. Got an error first time I loged into chroot. remount is a fix for this
# not sure if we need to do this every reboot
echo "Remounting /data"
mount -o remount,defaults /data
# Mount dev for Debian if needed
mountpoint $ROOT/dev –q
if [ ! $? -eq 0 ] ; then
echo "Mounting dev"
mount -o bind /dev $ROOT/dev
fi
# Mount pts for Debian if needed
# It's a fix for direct ssh login to chroot
mountpoint $ROOT/dev/pts –q
if [ ! $? -eq 0 ]; then
echo "Mounting ptst"
chroot $ROOT /bin/mount -t devpts -o OPTIONS devpts /dev/pts
fi
# Mount proc for Debian if needed
mountpoint $ROOT/proc –q
if [ ! $? -eq 0 ]; then
echo "Mounting proc"
mount -o bind /proc $ROOT/proc
fi
# Mount proc for Debian if needed
mountpoint $ROOT/sys –q
if [ ! $? -eq 0 ]; then
echo "Mounting sys"
mount -o bind /sys $ROOT/sys
fi
# start chroot
chroot $ROOT /bin/bash -l
8. run chroot.sh and continue with the installation, this will take a while
Code:
chmod +x chroot.sh
./chroot.sh
debootstrap/debootstrap --second-stage
9. We now got a working minimal chroot jail, almost no programs are installed, before we can install anything we need to update sources.list and add some repositories. Use http://debgen.simplylinux.ch/ to create a sources.list. I use debian mirrors for Sweden.
Code:
echo ”deb http://ftp.se.debian.org/debian stable main” > /etc/apt/sources.list
echo ”deb http://security.debian.org/ wheezy/updates main” >> /etc/apt/sources.list
apt-get update
10. Install vim and ssh
Code:
apt-get install vim ssh
11. change port from 22 to 2222 and restart ssh
Code:
vi /etc/ssh/sshd_config
/etc/init.d/ssh restart
12. Set a password
Code:
passwd
OPTIONAL
1. Install desctop and vnc server, this will take a while and our installation will rise with 400-450M (mine using about 800M total), we only got 1.1G total to play with so be carefull which program you install. A fix to this would be to create a Yaffs2 image for loop mount and then store it on a USB drive.
Code:
apt-get install xfce4 tightvncserver
2. Create a loginpassword to vnc, and choose if you need a guest login
Code:
tightvncserver
3. Start vnc server, 800x600 res.
Code:
vncserver :0 -geometry 800x600 -depth 24
4. Log into chromecast, I used a standalone RealVNC in windows and [chromecast-ip]:0 to login
5. More info at http://elinux.org/RPi_VNC_Server
INFO
- To exit root jail, just type exit
- If you started sshd in root jail you can connect to it with ssh on port 2222.
- No need to start chroot to load a program in chroot, you can start it from outside
Code:
chroot with chroot /data/debian /etc/init.d/ssh start
- you can also kill program from outside, run ps to find out ID and use kill [id]
- Chromecast does support loop mount, but not very many filesystems
o To mount a supported filesystem use
Code:
mount myImage.img /mnt/myImage –o loop=/dev/block/loop0
o does not support ext, ext2, ext3 or ext4
o Does support yaffs2, vfat…
o supported filetypes can be found in cat /proc/filesystems
o yaffs2utils can be compiled in debian (on CC), this program can make same filesystem type as /data, and this file can be loop mounted
o Install git, gcc and make. Then git clone https://github.com/justsoso8/yaffs2utils
Errors:
- stdin is not a tty. Run inside chroot jail:
Code:
/bin/mount -t devpts -o OPTIONS devpts /dev/pts
or outside chroot run
Code:
chroot /data/debian /bin/mount -t devpts -o OPTIONS devpts /dev/pts
. Then try to connect to port 2222 again.
- do this: mount -t proc proc /proc.
Run (outside chroot)
Code:
mount -t proc /proc /data/debian/proc
- Chroot and vi can be found in busybox (busybox chroot, busybox vi) you can create a symlink to it.
Code:
mkdir /data/bin & cd /data/bin
ln /bin/busybox –s vi
ln /bin/busybox –s chroot
export PATH=/data/bin:$PATH
o If you need Busybox it can be downloaded from: http://www.busybox.net/downloads/binaries/latest/busybox-armv7l
TODO:
- Autostart chroot on boot
- Does anyone know how to view shell via HDMI?
- Can keyboards and mouse be connected via a USB hub so we can use CC as a minimal computer?
LINKS:
http://www.hjackson.org/blog/archives/2008/10/18/ssh-stdin-is-not-a-tty
https://wiki.debian.org/ChrootOnAndroid
http://www.cyberciti.biz/faq/how-do-i-compress-a-whole-linux-or-unix-directory/
http://elinux.org/RPi_VNC_Server
http://debgen.simplylinux.ch/
https://bitbucket.org/inkubux/cubox-i/wiki/Plex Wheezy
https://help.ubuntu.com/community/BasicChroot
https://github.com/justsoso8/yaffs2utils
http://www.busybox.net/downloads/binaries/latest/busybox-armv7l
Screenshot:
g
Click for large

How are you using a mouse and keyboard, powered otg
Sent from my iPad using Tapatalk

it's a minimum installation of Debian, but I guess you can install xfce and use X-forwarding with sshd. They got it working on a transcend wifi sd-card so it can be made, not sure how fast it will run.
http://dmitry.gr/index.php?r=05.Projects&proj=15. Transcend WiFiSD

Cool

Ok, I tried X-forwarding, it's not a GUI, it's more like you run a program from a host, and "stream" it to some other computer using a client program and ssh.
Also installed xcfe-desctop and tightvncserver. No problem connecting to chromecast and run programs in vnc.

Is it possible to post a little 'how to' and some screenshots?

sure, give me a few days =)
Pietplezier said:
Is it possible to post a little 'how to' and some screenshots?
Click to expand...
Click to collapse

First post is updated with new information
Mape0661 said:
sure, give me a few days =)
Click to expand...
Click to collapse

Screenshots looks wicked!

Pietplezier said:
Screenshots looks wicked!
Click to expand...
Click to collapse
Thanks! It worked better then I thought it would, it's working like a small computer.
I have tryed to view shell over HDMI, would be fun, but I haven't got it to work yet, only crashed the chromecast.

Linux on the Nexus 7 2012 wifi rev. E1565 - grouper, 2023 edition

I created Ubuntu MATE 22.04 LTS, Ubuntu MATE 20.04.1 LTS and ArchLinux ARMv7 image kernel-6.1.0-next-postmarketos-grate for Nexus 7 2012 wifi rev. E1565. Following guides:
[Discontinued] Linux on the Acer Iconia Tab A500, 2022 edition
UPDATE: I discontinued work for this tablet model, due to the lack of NEON support for the Nvidia Tegra 2 CPU used in this model. Any existing work I uploaded will remain online, but I won't be uploading anything new. I'm also considering selling...
forum.xda-developers.com
[WIP] postmarketOS
postmarketOS is Linux operating system. This system is able to turn your phone or tablet into desktop like device with touchscreen controls. You can use GNOME application from your desktop if they're adapted to smaller screen or in some cases it...
forum.xda-developers.com
What works:
- flashing
- USB (including OTG)
- WiFi
- Bluetooth
- Sound
- LCD + Touchscreen (with rotation)
- light sensor
- NFC (should work, driver loads, initialize, no NFC device to test)
What doesn't work (yet):
- camera
- 3D support (partial working, es2gears/es2tri/glmark2-es2 run but glxgears crashed)
Dev docs:
- https://wiki.postmarketos.org/wiki/The_Mainline_Kernel
Kernel sources:
- used kernel https://github.com/grate-driver/linux/
Sample picture:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Contributors
okias, digetx,Clamor-s, Worlblender, Baonks81
Source Code: https://gitlab.com/postmarketOS/pmbootstrap/
ROM OS Version: Linux
ROM Firmware Required: shipped with ROM
Based On: Linux 6.1.0-next-postmarketos-grate
--> Recrypt Tegra GPT <--
GitHub - clamor-s/re-crypt: A tool for re-partitioning Tegra 2 and Tegra 3 based product devices.
A tool for re-partitioning Tegra 2 and Tegra 3 based product devices. - GitHub - clamor-s/re-crypt: A tool for re-partitioning Tegra 2 and Tegra 3 based product devices.
github.com
--> U-boot worked on grouper <--
GitHub - clamor-s/u-boot: "Das U-Boot" Source Tree with many Tegra 20/30 devices support
"Das U-Boot" Source Tree with many Tegra 20/30 devices support - GitHub - clamor-s/u-boot: "Das U-Boot" Source Tree with many Tegra 20/30 devices support
github.com
Version Information
Status: Testing
Download link:
[Testing]Ubuntu-23.10-Mantic-Minotaur-ttyescape+armhf-kernel-6.1.0-postmarketos-grate
Ubuntu-23.10-Mantic-Minotaur-ttyescape+asus-grouper-kermel-6.1.0-armhf - Google Drive
drive.google.com
Default user: passwd
root: ubuntu
oem: ubuntu
Ubuntu 23.04 Lunar Lobster ttyescape kernel-6.1.0-postmarketos-grate
Ubuntu-23.04-Lunar-Lobster-armhf+asus-grouper-kernel-6.x.0-next-postmarketos-grate - Google Drive
Default user: passwd
root: ubuntu
oem: ubuntu
Ubuntu MATE 22.10 ext4 kernel-5.19.0-next-20220728-postmarketos-grate
Ubuntu-MATE-22.10-kernel-5.19.0-rc8-next-20220728-postmarketos-grate - Google Drive
drive.google.com
Default user: passwd
root: ubuntu
oem: ubuntu
Ubuntu 22.04.1/22.10 ttyescape kernel-5.19.0-rc8 grouper rev. E1565 postmarketos-grate
Ubuntu-22.04-Jammy-22.10-Kinetic-ttyescape-grouper-kernel-5.19.0-rc8 - Google Drive
drive.google.com
Default user: passwd
root: ubuntu
oem: ubuntu
Video:
Ubuntu 22.04.1 LTS MATE ext4 kernel-5.19.0-next-20220728-postmarketos-grate
https://drive.google.com/drive/u/0/folders/1uJ_VhBcWXF-9n7T0lH8vlHihjVY_gthV
Default user: passwd
root: ubuntu
oem: ubuntu
Ubuntu 22.04 LTS Jammy Jellyfish MATE ext4 kernel-5.17.0-next-20220324-postmarketos-grate
Ubuntu-MATE-22.04.1LTS-kernel-5.17.0-next-20220324-postmarketos-grate - Google Drive
drive.google.com
Default user: passwd
root: ubuntu
oem: ubuntu
Ubuntu 22.04 LTS Jammy Jellyfish MATE/LXQT ext4 kernel-5.15.0-rc4-next-20211011-postmarketos-grate
Ubuntu 22.04 Jammy Jellyfish+asus grouper-kernel-5.15.0-rc4 - Google Drive
drive.google.com
Default user: passwd
root: ubuntu
oem: ubuntu
Ubuntu MATE 20.04.1 LTS ext4 rootfs kernel 5.15.0-rc4-next-20211011-postmarketos-grate
Ubuntu MATE 20.04.1 LTS kernel-5.15.0-rc4 - Google Drive
drive.google.com
Ubuntu MATE 20.04.1 LTS ext4 rootfs kernel 5.14.0-rc3-next-20210729-grate:
https://drive.google.com/drive/folders/1cLs1q5thzrsuHNVM08OaQ3OWASgf6t-R
Ubuntu MATE 21.10 Impish Indri ext4 kernel 5.15.0-rc4-next-20211011-postmarketos-grate:
Ubuntu MATE 21.10 Impish Indri kernel 5.15.0-rc4 - Google Drive
drive.google.com
Ubuntu 21.10 Impish Indri pre-installed server ext4 kernel 5.15.0-rc4-next-20211011-postmarketos-grate:
https://drive.google.com/folderview?id=1GC9I_hZl3H6LVd2IG_XYJLHrq6Bj-c6C
Archlinux ARMv7 latest kernel-6.0.6-next-postmarketos-grate
ArchLinux-armv7h-ext4-latest+asus-grouper - Google Drive
drive.google.com
User/passwd:
alarm: alarm
su: root
Archlinux ARMv7 latest kernel-5.19.0-rc8-next-20220728-postmarketos-grate
https://drive.google.com/drive/folders/1sHqfA-CuFpSkNcwnW5NGOKlf0a4aHmj6
User/passwd:
alarm: alarm
su: root
ArchLinux ARMv7 kernel 5.15.0-rc4-next-20211011-postmarketos-grate
Archlinux-ARM-kernel-5.15.0 - Google Drive
drive.google.com
ArchLinux ARMv7 kernel 5.14.0-rc3-next-20210729-grate f2fs: https://drive.google.com/drive/folders/13ja5utmNSyNiz4xKTG5qcoBqRNv9qVYw?usp=sharing
ArchLinux ARMv7 kernel 5.14.0-rc3-next-20210729-grate ext4: https://drive.google.com/drive/folders/1szK5trBse8-j1hSIgzZDppL3R6ySNSCP
More distros here:
F2FS:
distros - Google Drive
drive.google.com
OS - Google Drive
drive.google.com
[Testing] Fedora 36 Minimal + Xfce Rawhide armhfp ext4 kernel-5.15.0-rc4-next-20211011-postmarketos-grate
Fedora 36 armhfp asus grouper kernel 5.15.0-rc4 - Google Drive
drive.google.com
Fedora Xfce 35 armhfp ext4 kernel-5.15.0-rc4-next-20211011-postmarketos-grate:
Fedora 35 Xfce armhfp asus grouper kernel 5.15.0-rc4 - Google Drive
drive.google.com
Fedora Xfce 34 armhfp ext4 kernel-5.14.0-rc3-next-20210729-grate: https://drive.google.com/drive/folders/1LbffvuU2B2r6ydbaTxvK2KNX_MdLxrrn
openSUSE Leap 15.3/15.4 ARMv7 XFCE/LXQT/X11 kernel-5.15.0-rc4-next-20211011-postmarketos-grate
openSUSE Leap kernel-5.15.0-rc4 - Google Drive
drive.google.com
openSUSE Leap 15.3 ext4 kernel 5.14.0-rc3: https://drive.google.com/drive/folders/19ArXlOwX2xN8-SHjxPMzMQ-kj-Xkvbf0
Debian Bulleye ext4 kernel-5.15.0-rc4-next-20211011-postmarketos-grate
Debian Bulleye armhf kernel-5.15.0-rc4 - Google Drive
drive.google.com
Debian ext4: https://drive.google.com/drive/folders/1jhq1v5ejOazDB1wSF-ZS0FxBc_QIPUFD
Install guide for Ubuntu MATE 20.04.1 LTS:
Please check your tablet is grouper or tilapia by command
TWRP (adb shell) $ grep androidboot.baseband=unknown /proc/cmdline && echo grouper || echo tilapia
Checking hardware revision of grouper(E1565 or PM269) <- this is important, because I didn't have any PM269 devices, so I only supported rev. E1565
TWRP (adb shell) $ find /sys/devices/ | grep -c max776 && echo You have E1565
TWRP (adb shell) $ find /sys/devices/ | grep -c tps6591 && echo You have PM269
Reference link here:
Google Nexus 7 2012 (asus-grouper) - postmarketOS
wiki.postmarketos.org
1. Unlock bootlader and upgrade stock Android 5.1.1 Build LMY47V
2. Install TWRP 3.3.1-0 or later
3. Connect Nexus 7 to PC/Latop. Go to bootloader and flash boot
# adb start-server
# adb reboot bootloader (or press Power button + Volume Down button to come bootloader)
# fastboot flash boot boot.img
4. TWRP -> Advance -> Terminal
# df
# umount /dev/block/mmcblk0p__ <- fill partition number (2 times)
5. Back PC/Laptop,
# unxz -v ubuntu-mate-20.04.1-desktop-armhf+asus-grouper-kernel-5.14-rc3-next-grate.img.xz
# adb push /path/to/ubuntu-mate-20.04.1-desktop-armhf+asus-grouper-kernel-5.14-rc3-next-grate.img /dev/block/mmcblk0p__ <- fill partition number
grouper has likely data on /dev/block/mmcblk0p9 but make sure!
tilapia has likely data on /dev/block/mmcblk0p10 but make sure!
6. Utilities in /opt folder such as: cpufreq, temp_throttle, clear_ram, kde-auto-rotate
7. Install preload, tlp, bleachbit compton compositor in ubuntu source
Compton:
compton --backend glx --vsync opengl-swc --glx-no-stencil --unredir-if-possible --glx-no-rebind-pixmap --glx-swap-method 3 --paint-on-overlay -b
8. Update sysctl and cpufreq
ubuntu mate 22.04/cpufreq.start · main · Baonks81 / Nexus 7 2012 grouper ubuntu mate lxqt 22.04 · GitLab
Config cpifreq vms kernel
gitlab.com
ubuntu mate 22.04/sysctl.conf · main · Baonks81 / Nexus 7 2012 grouper ubuntu mate lxqt 22.04 · GitLab
Config cpifreq vms kernel
gitlab.com
# sudo sysctl -p
# sudo chmod +x /opt/cpufreq.start
# sudo sh /opt/cpufreq.start
9. Remove rpi packages
# sudo apt-get remove --purge libraspberrypi-bin libraspberrypi0 linux-firmware-raspi2 linux-headers-raspi linux-image-raspi linux-raspi pi-bluetooth rpi-eeprom u-boot-rpi flash-kernel linux-headers-5.4.0-1015-raspi linux-image-5.4.0-1015-raspi linux-image-5.4.0-1022-raspi linux-modules-5.4.0-1015-raspi linux-modules-5.4.0-1022-raspi linux-raspi-headers-5.4.0-1022 fwupd fwupd-signed gnome-firmware
10. Install grate-driver: https://launchpad.net/~grate-driver...us_filter=published&field.series_filter=focal
# sudo add-apt-repository ppa:grate-driver/ppa
11. Update sources.list and upgrade Ubuntu MATE 20.04.4 LTS. Enjoy!
Install chromium without snap:
How to install Chromium without snap?
I just discovered that chromium will only be released as a snap package. How can I continue to get chromium, without snap? Is this possible without building from source? Notes: Please let's keep t...
askubuntu.com
$ sudo nano /etc/apt/sources.list
deb http://deb.debian.org/debian/ bullseye contrib main non-free
# deb http://deb.debian.org/debian-debug/ bullseye-debug contrib main non-free
# deb-src http://deb.debian.org/debian/ bullseye contrib main non-free
deb http://security.debian.org/debian-security bullseye-security main contrib non-free
# deb-src http://security.debian.org/debian-security bullseye-security main contrib non-free
# Backports
deb http://deb.debian.org/debian bullseye-backports main contrib non-free
$ sudo apt update && sudo apt install chromium
Accelerate chromium create
# sudo nano /etc/chromium/local.conf
unset GDK_BACKEND
Insert --use-gel=egl in /usr/share/applications/chromium.desktop at line
Exec=/bin/chromium --use-gl=egl --user-agent="Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Mobile Safari/537.36 Firefox/102.0" %U
Fix chromium authentication keyring:
# sudo apt install seahorse
$ seahorse
Create new Password keyring for application with default name was "Default keyring"
Install guide for ArchLinuxARMv7:
The same install Ubuntu MATE 20.04.1 LTS steps. OTG-USB keyboard requires
User/passwd:
alarm: alarm
su: root
Install dialog and wifi-menu, wpa_passphrase, wpa_supplicant, iwd on USB Internet(pmOS supported)
USB Internet - postmarketOS
wiki.postmarketos.org
On, Nexus 7:
Code:
# ip route add default via 172.16.42.2
# echo nameserver 1.1.1.1 > /etc/resolv.conf
On PC/Laptop connecting usb by Nexus 7:
Fisrt, enable IP forwarding:
Code:
# sysctl net.ipv4.ip_forward=1
Then follow the instructions according to the distribution or firewall you use.
iptables (Ubuntu/Arch/Alpine)​
Code:
# iptables -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
# iptables -A FORWARD -s 172.16.42.0/24 -j ACCEPT
# iptables -A POSTROUTING -t nat -j MASQUERADE -s 172.16.42.0/24
# iptables-save #Save changes
# ssh [email protected]
Passwd: alarm
# su
Passwd: root
# pacman-key --init
# pacman-key --populate
# pacman-key --refresh-keys
# pacman -Sy archlinux-keyring
# pacman -Syu
# pacman -S dialog wpa_supplicant iwd dhcpcd
Thanks to:
- grate-driver team
- postmarketOS
- Ubuntu MATE for rpi
- ArchLinux armv7h, Fedore armhfp, openSUSE Leap armv7l
Reference link:
https://tinhte.vn/thread/ubuntu-22-...-grouper-rev-e1565-kernel-5-15-0-rc4.3447577/
Zarosky said:
Greattt!!!! Could you explain better, about the utilities that are inside the /opt folder? Thank you so much for sharing this great work!
Click to expand...
Click to collapse
It's all creating a .desktop at startup applications
# sudo chmod +x /opt/clear_ram
# sudo chmod +x /opt/cpufreq.start
# sudo chmod +x /opt/temp_throttle
# sudo visudo
ALL ALL=(ALL) NOPASSWD: /opt/clear_ram, /opt/cpufreq.start, /opt/temp_throttle
Menu -> Preferences -> Startup Applications
In foreach command create one .desktop:
1. sudo /opt/clear_ram
2. sudo /opt/cpufreq.start
3. sudo /opt/temp_throttle 59 <- this is important, because over 60 degrees, n7 will poweroff
kde-auto-rotate -> readme to install for rotation with sensors
kde-auto-rotate
MediaFire is a simple to use free service that lets you put all your photos, documents, music, and video in a single place so you can access them anywhere and share them everywhere.
www.mediafire.com
Firefox-esr v.91
# sudo add-apt-repository ppa:mozillateam/ppa
# sudo apt-get update
# sudo apt-get install firefox-esr
mobile-config-firefox
# git clone https://gitlab.com/postmarketOS/mobile-config-firefox.git
# sudo make install
# zcat /proc/config.gz | grep SWAP
CONFIG_SWAP=y
CONFIG_MEMCG_SWAP=y
CONFIG_ARCH_USE_BUILTIN_BSWAP=y
# CONFIG_FRONTSWAP is not set
# CONFIG_MTD_SWAP is not set
# CONFIG_NFS_SWAP is not set
I could install dphys-swapfile package
# sudo apt install dphys-swapfile
# zcat /proc/config.gz | grep ZRAM
CONFIG_ZRAM=m
CONFIG_ZRAM_DEF_COMP_LZ4=y
CONFIG_ZRAM_DEF_COMP="lz4"
# CONFIG_ZRAM_WRITEBACK is not set
CONFIG_ZRAM_MEMORY_TRACKING=y
# sudo apt install zram-config
# nano /usr/bin/init-zram-swapping
Code:
#!/bin/sh
# load dependency modules
NRDEVICES=$(grep -c ^processor /proc/cpuinfo | sed 's/^0S/1/')
if modinfo zram | grep -q ' zram_num_devices:' 2>/dev/null; then
MODPROBE_ARGS="zram_num_devices=${NRDEVICES}"
elif modinfo zram | grep -q ' num_devices:' 2>/dev/null; then
MODPROBE_ARGS="num_devices=${NRDEVICES}"
else
exit 1
fi
modprobe zram $MODPROBE_ARGS
# Calculate memory to use for zram (1/2 of ram)
totalmem=`LC_ALL=C free | grep -e "^Mem:" | sed -e 's/^Mem: *//' -e 's/ *.*//'`
# mem=$(((totalmem / 2 / ${NRDEVICES}) * 1024)) -> for 512MB zram
mem=$(((totalmem * 3 / 2 / ${NRDEVICES}) * 1024))
# initialize the devices
for i in $(seq ${NRDEVICES});
do
DEVNUMBER=$((i - 1))
echo lz4 > /sys/block/zram${DEVNUMBER}/comp_algorithm
echo $mem > /sys/block/zram${DEVNUMBER}/disksize
mkswap /dev/zram${DEVNUMBER}
swapon -p 1 /dev/zram${DEVNUMBER}
done
*** Fix some errors:
When libglamoregl.so fail to load, we may remove mesa from grate-driver, but keeping opentegra driver
# sudo dpkg -P --force-depends libvdpau-tegra linux-firmware libd3dadapter9-mesa libegl-mesa0 libgbm1 libgl1-mesa-dri libglapi-mesa libglx-mesa0 libosmesa6 mesa-opencl-icd mesa-va-drivers mesa-vdpau-drivers mesa-vulkan-drivers
# sudo add-apt-repository --remove ppa:grate-driver/ppa
# sudo apt install --fix-broken
When it had blink cursor but device not boot, it need checking for Read-only file system error
# sudo ssh [email protected]
# sudo su
# sudo blkid
We find mount of root file system, usually /dev/dm-1
# sudo fsck.ext4 -f /dev/dm-1
# sudo reboot
***Backup full filesystem boot and rootfs
Connect Nexus 7 to PC/Laptop using micro-usb cable, enter TWRP recovery mode → Advance → Terminal
# df
# umount /dev/block/mmcblk0p-- <- fill number here (grouper: 09 or tilapia: 10)
On PC/Laptop
# adb start-server
Backup boot: # sudo adb pull /dev/block/mmcblk0p2 /path/to/boot-kernel-5.14-rc3-next-grate.img
Backup rootfs for grouper(wifi): # sudo adb pull /dev/block/mmcblk0p9 /path/to/rootfs.img
Backup rootfs for tilapia(3G): # sudo adb pull /dev/block/mmcblk0p10 /path/to/rootfs.img
Backup full: # sudo adb pull /dev/block/mmcblk0 /path/to/full_backup_mmcblk0.img

Greattt!!!! Could you explain better, about the utilities that are inside the /opt folder? Thank you so much for sharing this great work!

Zarosky said:
Greattt!!!! Could you explain better, about the utilities that are inside the /opt folder? Thank you so much for sharing this great work!
Click to expand...
Click to collapse
It's all creating a .desktop at startup applications
# sudo chmod +x /opt/clear_ram
# sudo chmod +x /opt/cpufreq.start
# sudo chmod +x /opt/temp_throttle
# sudo visudo
ALL ALL=(ALL) NOPASSWD: /opt/clear_ram, /opt/cpufreq.start, /opt/temp_throttle
Menu -> Preferences -> Startup Applications
In foreach command create one .desktop:
1. sudo /opt/clear_ram
2. sudo /opt/cpufreq.start
3. sudo /opt/temp_throttle 59 <- this is important, because over 60 degrees, n7 will poweroff
kde-auto-rotate -> readme to install for rotation with sensors
kde-auto-rotate
MediaFire is a simple to use free service that lets you put all your photos, documents, music, and video in a single place so you can access them anywhere and share them everywhere.
www.mediafire.com
Firefox-esr v.91
# sudo add-apt-repository ppa:mozillateam/ppa
# sudo apt-get update
# sudo apt-get install firefox-esr
mobile-config-firefox
# git clone https://gitlab.com/postmarketOS/mobile-config-firefox.git
# sudo make install
***Backup full filesystem boot and rootfs
Connect Nexus 7 to PC/Laptop using micro-usb cable, enter TWRP recovery mode → Advance → Terminal
# df
# umount /dev/block/mmcblk0p-- <- fill number here (grouper: 09 or tilapia: 10)
On PC/Laptop
# adb start-server
Backup boot: # sudo adb pull /dev/block/mmcblk0p2 /path/to/boot-kernel-5.14-rc3-next-grate.img
Backup rootfs for grouper(wifi): # sudo adb pull /dev/block/mmcblk0p9 /path/to/rootfs.img
Backup rootfs for tilapia(3G): # sudo adb pull /dev/block/mmcblk0p10 /path/to/rootfs.img
Backup full: # sudo adb pull /dev/block/mmcblk0 /path/to/full_backup_mmcblk0.img

That's really cool! nice work. I have to test it on my old Nexus but i have the 2013 flo edition. I don't think that this will work :/ But does Linux run well on your Nexus ? is it laggy ??

ilikemath199 said:
That's really cool! nice work. I have to test it on my old Nexus but i have the 2013 flo edition. I don't think that this will work :/ But does Linux run well on your Nexus ? is it laggy ??
Click to expand...
Click to collapse
It's running smoothly than stock Android 5.1.1 and AOSP 7.1.2/8.1
Nexus 7 2013 flo had Snapdragon S4 Pro APQ8064, it's developing by @okias . Please waiting for new news
5.15.0-rc2-postmarketos-qcom-apq8064+ w/ irq patches — paste.sr.ht
paste.sr.ht

Are there any web browsers (up-to-date) that work? Have you tried Vivaldi armhf?

dookie23 said:
Are there any web browsers (up-to-date) that work? Have you tried Vivaldi armhf?
Click to expand...
Click to collapse
No, I didn't try Vivaldi armhf. I think chromium version 94 on debian bookworm/sid. It's latest now, edit repositories to bookworm, and just install chromium v94 with some packages depend or not

Thank you very much! It works on my old nexus7,amazing!! After apt upgrade,there not enough space on nexus. my nexus is 8GB.

yuanhao said:
Thank you very much! It works on my old nexus7,amazing!! After apt upgrade,there not enough space on nexus. my nexus is 8GB.
Click to expand...
Click to collapse
sudo apt-get remove --purge libreoffice*
sudo apt-get clean
sudo apt-get autoremove
and remove more softs, which no need. Then run upgrade again or stay at ubuntu 20.04.1, or using other images: debian, archlinux, hirsuit preinstalled, etc. Usb-otg keyboard required

Baonks81 said:
sudo apt-get remove --purge libreoffice*
sudo apt-get clean
sudo apt-get autoremove
and remove more softs, which no need. Then run upgrade again or stay at ubuntu 20.04.1, or using other images: debian, archlinux, hirsuit preinstalled, etc. Usb-otg keyboard required
Click to expand...
Click to collapse
This is my first time to use a Linux OS , I just try to learn some linux command.
after flashing Ubuntu, I download and flash Fedora. Fedora's bluetooth doesn't work well, connecting is ok, but it doesn't work well with an apple mouse and a keyboard. and there's no web brower inside.
All in all Linux is really cool. thank you!
ext4: https://drive.google.com/drive/folders/1LbffvuU2B2r6ydbaTxvK2KNX_MdLxrrn

yuanhao said:
This is my first time to use a Linux OS , I just try to learn some linux command.
after flashing Ubuntu, I download and flash Fedora. Fedora's bluetooth doesn't work well, connecting is ok, but it doesn't work well with an apple mouse and a keyboard. and there's no web brower inside.
All in all Linux is really cool. thank you!
ext4: https://drive.google.com/drive/folders/1LbffvuU2B2r6ydbaTxvK2KNX_MdLxrrn
Click to expand...
Click to collapse
Ah, well, you're the first report about fedora 34 xfce4. I just port for fun, i didn't know it working out of the box .Archlinux, openSUSE Leap was the same lol
By the way, try some packages to activate bluetooth service and neard service(NFC)
Connecting keyboard and mouse bluetooth, NFC checking:
bluez
bluez-utils
bluez-mgmt
bluez-btmon
bluez-hid2hci
bluez-alsa
neard
Command:
$ sudo bluetoothctl power on
$ sudo bluetoothctl
#<bluetoothctl>: scan on
#<bluetoothctl>: help
NFC:
$ sudo nfctool -d nfc0 -1 -p

Nice to see there is still development for Grouper! Two questions:
- how is it feel with this distros is it usable?
- which distro is preferred for speed and stability?

Bladyle said:
Nice to see there is still development for Grouper! Two questions:
- how is it feel with this distros is it usable?
- which distro is preferred for speed and stability?
Click to expand...
Click to collapse
- I think Ubuntu MATE, I'm still using MATE 20.04.3LTS/21.10 kernel 5.14/5.15 on my Nexus 7 32Gb
- It's stability and usable with fine speed even only 1Gb RAM

6. Utilities in /opt folder such as: cpufreq, temp_throttle, clear_ram, kde-auto-rotate
7. Install preload, tlp, bleachbit compton compositor in ubuntu source
Click to expand...
Click to collapse
I get to step 6 above and I don't really understand what I need to do. Any help would be appreciated. Thank you.

ncfoster said:
I get to step 6 above and I don't really understand what I need to do. Any help would be appreciated. Thank you.
Click to expand...
Click to collapse
Baonks81 said:
It's all creating a .desktop at startup applications
# sudo chmod +x /opt/clear_ram
# sudo chmod +x /opt/cpufreq.start
# sudo chmod +x /opt/temp_throttle
# sudo visudo
ALL ALL=(ALL) NOPASSWD: /opt/clear_ram, /opt/cpufreq.start, /opt/temp_throttle
Menu -> Preferences -> Startup Applications
In foreach command create one .desktop:
1. sudo /opt/clear_ram
2. sudo /opt/cpufreq.start
3. sudo /opt/temp_throttle 58 <- this is important, because over 60 degrees, n7 will poweroff
kde-auto-rotate -> readme to install for rotation with sensors
kde-auto-rotate
MediaFire is a simple to use free service that lets you put all your photos, documents, music, and video in a single place so you can access them anywhere and share them everywhere.
www.mediafire.com
Firefox-esr v.91
# sudo add-apt-repository ppa:mozillateam/ppa
# sudo apt-get update
mobile-config-firefox
# git clone https://gitlab.com/postmarketOS/mobile-config-firefox.git
# sudo make install
***Backup full filesystem boot and rootfs
Connect Nexus 7 to PC/Laptop using micro-usb cable, enter TWRP recovery mode → Advance → Terminal
# df
# umount /dev/block/mmcblk0p-- <- fill number here (grouper: 09 or tilapia: 10)
On PC/Laptop
# adb start-server
Backup boot: # sudo adb pull /dev/block/mmcblk0p2 /path/to/boot-kernel-5.14-rc3-next-grate.img
Backup rootfs for grouper(wifi): # sudo adb pull /dev/block/mmcblk0p9 /path/to/rootfs.img
Backup rootfs for tilapia(3G): # sudo adb pull /dev/block/mmcblk0p10 /path/to/rootfs.img
Backup full: # sudo adb pull /dev/block/mmcblk0 /path/to/full_backup_mmcblk0.img
Click to expand...
Click to collapse

Do I need to add something to my tablet in order to run sudo?
I get the message "sh: sudo: not found"

ncfoster said:
Do I need to add something to my tablet in order to run sudo?
I get the message "sh: sudo: not found"
Click to expand...
Click to collapse
if you had su permission, no need sudo

Baonks81 said:
if you had su permission, no need sudo
Click to expand...
Click to collapse
Thank you for your response. I'm sorry, but what I also don't seem to understand is line 6, which states:
6. Utilities in /opt folder such as: cpufreq, temp_throttle, clear_ram, kde-auto-rotate
Click to expand...
Click to collapse
Is this saying those should already be there or that we have to put them there? I do not seem to have an /opt folder at all, so I am stuck.

ncfoster said:
Thank you for your response. I'm sorry, but what I also don't seem to understand is line 6, which states:
Is this saying those should already be there or that we have to put them there? I do not seem to have an /opt folder at all, so I am stuck.
Click to expand...
Click to collapse
/opt folder in / folder
It's meaning root, change to root by cd ..
or cd /
/opt stayed long time in GNU/Linux rootfs

Yeah. I knew where to look for the opt folder. But, it is not there for me.