Questions tagged [chroot]

a linux command to change the filesystem root a process can see, limiting it's access to the real filesystem root

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Determine if a shell script is running on a LiveOS/chroot/installed system?

How can I determine within a shell script if the script is running: On a Ubuntu LiveOS (not necessarily version dependant) -- (already answered here) Within a chroot on an Ubuntu LiveOS (already ...
b_laoshi's user avatar
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Configuring services in Cubic chroot

There's an excellent "using Cubic" guide already posted, but it didn't get into how to configure services in the Cubic chroot. For instance, I would like to pre-configure a RabbitMQ server so that it'...
MangoCat's user avatar
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How to shutdown Ubuntu from chroot?

I installed an infrared receiver sensor and I plan to shutdown my Raspberry running Ubuntu Core using a remote control. The point is: Python and libraries like Rpi.GPIO are installed in an environment ...
razimbres's user avatar
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schroot exit error: 10mount: umount: /<chroot_key>/<home>: device is busy

Ubuntu: 14.04.5 LTS (GNU/Linux 3.19.0-25-generic x86_64) Schroot: schroot (Debian sbuild) 1.6.8 There is a problem on schroot environment. Does someone know the root cause of this issue? It ...
W. Dan's user avatar
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How to fix non-default gnome-terminal opening failure?

I've recently updated one of my ubuntu(gnome) chroots to 18.04 from 16.04 LTS (before official release to 16.04 LTS). The chroot has the gnome target not gnome-desktop and has come with xterm (instead ...
Guerdon Ligon's user avatar
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How to copy root file system in Ubuntu

I want to copy my Ubuntu's root file system into another folder (perhaps /home/rootfs). I am not trying to copy /, which is the root file directory, but am trying to copy the root file system. Does ...
Melissa's user avatar
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Can't connect to internet in chroot using Cubic

Currently trying to modify a custom ISO image using Cubic. As per this, I am supposed to enter ln -sr /run/systemd/resolve/resolve.conf /run/systemd/resolve/stub-resolve.conf But what is returned ...
Rattle's user avatar
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How to jail users under Ubuntu 17.10

Following link gives a solution about Simple & easy way to jail users. Multiple comments mention that it does not work on Ubuntu 13.10, but there is no verification about that. I have tried that ...
alper's user avatar
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chroot: failed to run command ‘/bin/bash’: No such file or directory

To fix grub, I tried following codes: sudo mount /dev/sd6 /mnt sudo mount --bind /dev /mnt/dev sudo mount --bind /dev/pts /mnt/dev/pts sudo mount --bind /proc /mnt/proc sudo mount --bind /sys /mnt/...
Mahesh's user avatar
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Are there commands to install Ubuntu from USB? [closed]

I currently have Q4os installed. What command can I use to install Lubuntu from files on USB? I can't boot install from USB and mini install doesn't have wireless internet installed.
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Issues installing Custom Ubuntu after apt updates

I have been attempting to build a standard environment which uses Ubuntu 14.04 along with some additional packages and have made up a quick script to update apt and install the packages I require. ...
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Use older version of GCC for application that requires it

The PGI C and C++ 17.10 community edition compiler does not work with Ubuntu 17.10 (at least not for code that uses OpenMP or OpenACC which is the whole point of PGI). According to their forum ...
Z boson's user avatar
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Registration of chrooted environment on Landscape not working with Virtual license

Despite having several remaining registrations on Landscape, it doesn't let me register chrooted environments: 'There are no licenses available for $accountname. $hostname was not accepted.' License ...
Benoit's user avatar
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Magento2 commands not running in chroot environment

I successfully set a chroot on my server. I want to place magento projects on chroot so that a user can execute all sorts of magento2 commands if needed. I mounted magento projects to chroot directory....
john deo's user avatar
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Chroot onto ARM based image

I'm trying to do some work on an image for a raspberry pi, but I don't have access to the pi itself, just the SD card that runs the OS. I'd like to chroot onto the pi's SD card (mainly to run some ...
Brydon Gibson's user avatar
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Allow a user to change his password on a chrooted environment

I'm trying to setup a chrooted ssh and sftp server under Ubuntu server 16.04.3 LTS. I followed this tutorial: https://rp29blog.wordpress.com/2016/06/26/setting-up-chroot-sftp-and-ssh I got it working....
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Overcoming the openssh / sftp jailroot unwritable

we have set up openssh / sftp with a jailroot via chroot; it's well established that a client can't write (upload files to) this root; you need to set up a writable subfolder. However, we have ...
Querylous's user avatar
2 votes
1 answer
187 views

Steam LAN "In-home steaming" not working on Chrome OS (via crouton)

I installed Ubuntu xenial on my Chromebook via crouton, and after navigating through "locales" problems not being able to run gnome-terminal, mounting problems on my sdcard, and video API problems, I ...
Nick Bailuc's user avatar
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Custom Ubuntu ISO Creator: "Warning! You are not in the chroot environment. Exiting."

I'm using CUBIC to create a custom Ubuntu ISO. I have downloaded ubuntu-16.04.3-server-amd64.iso as a base image, and specified ~/cubicworkspace as my working folder. But when I click "Next" and it is ...
Matt's user avatar
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Chroot is not working properly. I'm using vsftpd [duplicate]

I'm using VSFTPD in Ubuntu 14.04 and I'm using Filezilla to connect to the FTP server. When I connect using port 21 everything work as planned "users are chroot to their home directory".But when I ...
Ramez Dous's user avatar
4 votes
1 answer
7k views

How to update and add new packages in chroot?

I have a Disk Image but this Disk Image has not some packages like libjpeg. First of all I mount the Disk Image to directory and then I change root to this directory. Unfortunately apt-get update and ...
ali.329's user avatar
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2 answers
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allow git acess under chroot

The server has set up chroot environment.Users can access the server by sftp. More than that,they need to use git aslo.I was following this link creating-chroot-jail-ssh-access,copied /bin/bash /usr/...
Shihe Zhang's user avatar
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internal-sftp log for chrooted group

My /etc/ssh/ssh_config file have follow config Subsystem sftp internal-sftp -f AUTH -l INFO Match group tmrhackers ChrootDirectory %h ForceCommand internal-sftp AllowTcpForwarding no and the sftp ...
Shihe Zhang's user avatar
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I messed up and removed important packages, is there a way to restore all packages that would come with the live distro ?

Im on Ubuntu server 16.04 and I tried to solve some issues by uninstalling and reinstalling. Then i see apt telling me lot of packages are not required and can be autocleaned. I tried to install them ...
praneeth mendu's user avatar
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535 views

reinstall ubuntu-desktop after accidently removed ibus [duplicate]

I accidentally removed ibus on my ubuntu 16 which is upgraded from 14.04 and suddenly I have unmet dependencies, broken packages, etc. I managed to chroot into the system using a live-cd-usb and ...
sunxd's user avatar
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2 answers
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edit resolv.conf

I can't edit /etc/resolv.conf, error: permission denied I upgraded from 16.04 to 16.10 and keyboard & mouse stopped working, following ubuntu KB asks to mount chroot, chroot mounted but dns not ...
Uttam Baroi's user avatar
1 vote
1 answer
351 views

How do I force Spotify's cache into RAM?

Spotify is writing enormous amounts of data onto my hard drive. As is expected from an app that downloads every song it plays and then deletes it after you close the app. All that reading and writing ...
KI4JGT's user avatar
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Error reinstalling a chroot? [duplicate]

I've been running Ubuntu (Unity) on a chromebook for a couple of years. I had to reformat the device and now I'm trying to reinstall from a backup. I've downloaded crouton and copied my backup called ...
JulianJ's user avatar
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Update grub in a chroot environment with root on a luks encrypted volume

I want to move a system (all systems I am using are Ubuntu 16.04 based) from an unencrypted partition to a luks encrypted one (on the same disk). To this end, I created a LUKS encrypted logical ...
highsciguy's user avatar
1 vote
1 answer
388 views

Returning to a chroot environment

When I chroot while logged in using a ssh session. How do I get back to the chroot environment when the ssh terminal session ends. When I ssh back in I'm back on the non chroot environment. While I'...
rac8006's user avatar
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2 votes
1 answer
319 views

Question about chroot

Scenario I have 2 working Ubuntu partitions on my hard drive, let's call them A and B. They use a single swap partition. I have booted into A and logged into the desktop. Now I want to make partition ...
CatMan's user avatar
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Armhf chroot on arm64

First off should I not be able to run armhf on an arm64 server without needing qemu? or am I wrong there? If i run a armhf app I get this: Exec format error I have been trying to setup and armhf ...
Mariogrip's user avatar
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Cannot execute binary file: Exec format error when executing "sudo chroot /mnt"

After screwing it up a little resizing Ubuntu's partition on my pc (the process stopped suddenly and I had to recover boot from initramfs) I am trying to repair grub since now it is installed empty (...
Un Charlie's user avatar
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1 answer
405 views

Accessing zfs pool with chroot sftp - User can view files/folders but cannot create [closed]

Here's what I've been trying to do: Create a zfs pool that can be accessed through sftp Be able to read and write files in the zfs pool through sftp (remotely) Create a user who can read/write files ...
0-60FPS's user avatar
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How to Run Windows 07 in Ubuntu using chroot?

Is there any way to make any Windows-OS run in Ubuntu using the chroot-jail or chroot ? Edit the question as you feel is necessary, typed Windows 07 there as an example and as its a truly good OS.
devilz's user avatar
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Connecting Ros on a chroot with AMD ATI display

So, I have ROS Indigo on a chroot on my Ubuntu 15.10. I installed the nao-gazebo package to simulate a Nao robot using Gazebo. It was working fine. I used the command xhost +local: on the host and in ...
Ahmedn1's user avatar
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5 votes
1 answer
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Removing a chroot environment

I was following these steps to install ros indigo on a chroot environment on my Ubuntu 15.10 http://wiki.ros.org/ROS/Tutorials/InstallingIndigoInChroot But I screwed some things up and I want to ...
Ahmedn1's user avatar
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0 answers
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chroot into 32bit system from 64bit machine

when I try to chroot into my 32bit system from a 64bit machine, it is responding with /bin/bash is not found despite the fact that the file existed in the specified directory. is there any way to get ...
Redet Getachew's user avatar
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0 answers
302 views

How to set up an SFTP user with no ability to traverse the directory tree

I am using Ubuntu 14.04.1 LTS. My goal is to have an SFTP user(s) log into the sever remotely with permission to upload or download anything from the directory they land in, but NOT be able to ...
israelj's user avatar
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1 vote
1 answer
4k views

Cannot reinstall kernel from chroot

I accidentally deleted the contents of /boot . I tried apt-get purge linux-generic linux-image-generic apt-get install linux-generic linux-image-generic Building dependency tree Reading ...
Thomas Jeffery's user avatar
53 votes
5 answers
37k views

How to automate setting up of "keyboard-configuration" package?

I'm writing a script to install Ubuntu 16.04 server into a chroot jail, using debootstrap (on an Ubuntu 16.04 server machine). During the setting up of the keyboard-configuration package it asks for ...
fadedbee's user avatar
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664 views

custom ubuntu live CD: NetworkManager not working

I'm trying to build up an ubuntu live cd from scratch but I'm failing with the automatic configuration for the network interface card. The live cd is booting into desktop but NetworkManager is stuck ...
Alexander's user avatar
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1 answer
2k views

How to resolve the 'cannot get security labeling handle: No such file or directory' error?

For a reason that completely escapes me, recently whenever I try to install a package or upgrade a package with APT or dpkg I get the error: dpkg: error processing archive ... (--install): cannot ...
Josh Pinto's user avatar
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Tarballing system nodes

Say I'm tarballing a chroot. Would it be reasonable if it tried to tarball a system node, say, /dev/zero? Or would this just be as stupid as it sounds, resulting in tar infinitely trying to find the ...
Nonny Moose's user avatar
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-1 votes
1 answer
95 views

Chroot Ubuntu Upgrade 14.04 Invalid? [duplicate]

I got the Ubuntu Unity desktop on my Chromebook through Chroot. I realized there was a update ready, 14.04 Trusty Tahr. I start the process, and it gets to where the computer restarts. When I boot the ...
LilVinny's user avatar
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1 vote
1 answer
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SFTP with multiple users

I want to limit the users to their file. I added the following lines to the sshd configuration file. Match user user1 user2 user3 ChrootDirectory /home/%u/ ForceCommand ...
Mathieu's user avatar
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0 answers
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chroot can't execute /etc/apparmor/inittramfs

We've old Ubuntu on our server, which is used for SVN commits. It is our SVN server. We don't want to lose the data which is for last 10 years committed there. We don't want to lose the svn commit ...
Sailesh Jaiswal's user avatar
0 votes
1 answer
18k views

mount point does not exist

In order to change forgotten root password, I performed these steps: Boot from LiveUSB & run these commands: sudo mount /dev/sda1 /mnt for d in dev sys run proc; do sudo mount --bind /$d /mnt/$d;...
nsr-ricer's user avatar
4 votes
1 answer
1k views

Allow user in a chrooted shell to use a sudo command

I have a user chrooted to a directory, and everything is working smoothly. I want a group this user is in to be able to restart a single process that's being managed by supervisor, however, and I can'...
vaindil's user avatar
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1 vote
0 answers
2k views

Safe way to remove a Chroot environment

I created a chroot environment to test an old release without reinstalling the operating system. Now I am done with it. I would like to remove it since it has a very large footprint. I am tempted to ...
UserK's user avatar
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