Questions tagged [chroot]
a linux command to change the filesystem root a process can see, limiting it's access to the real filesystem root
291
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10 views
How to correctly run graphical application in schroot with Qt and D-Bus?
I was trying to get Audex running inside 16.04 LTS schroot on the 20.04 LTS host.
The below method works normally for Gtk-based applications, I have tested it.
In current case I did the following:
...
0
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0answers
43 views
Unity Ubuntu Missing Launcher, Many permission issues, and Unmounting issues
When I open Unity desktop on my Chromebook, the only thing I see is my desktop folders, no launcher or anything. This issue was described in another post (Unity doesn't load, no Launcher, no Dash ...
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18 views
While updating video drivers something went wrong, get only a “initramfs” prompt but can't use keyboard!
I was trying to use "ubuntu-drivers autoinstall" to upgrade my Nvidia drivers to 440, when the system (Lubuntu 18.04LTS, Dell Studio XPS 8100, 16GB ram, 1TB hard disk) just hung. I went out, came ...
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26 views
Loading another Ubuntu within Ubuntu?
I have an Ubuntu OS on a separate HDD. Is it possible to load that Ubuntu system with full Desktop GUI within my current running Ubuntu machine?
I look for something like
chroot but full desktop ...
0
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0answers
22 views
blank screen of death on ubuntu. huh?- via crouton
ubuntu 16.04, xenial is the chroot, intel braswell
so I uninstalled lxde and reinstalled -t unity today. For some reason I get a blank screen in ubuntu with just a wallpaper image. I cannot see a ...
1
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1answer
74 views
Syntax error near unexpected token `then'
When I try to update (source .bashrc) my .bashrc in the Ubuntu terminal for changes in aliases, I get the error
bash: ./.bashrc: line 34: syntax error near unexpected token `then'
bash: ./.bashrc: ...
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0answers
51 views
Replace Chrome OS and install Ubuntu on an Lenovo C330 ARM processor laptop
I have tried everything. Developer mode and cd;bash <(curl https://johnlewis.ie/flash_cb_fw.sh) which just restarts my laptop and beeps. I've tried trying to boot from USB but it just beeps when I ...
0
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1answer
34 views
Change Xubuntu icon theme from Cubic chroot
I am using Cubic to customize Xubuntu 18.04. I want to change the icon theme to Paper. I have installed it, but cannot configure it. I have tried commands such as gsettings set org.gnome.desktop....
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0answers
211 views
chroot: failed to run command '/bin/bash': No such file or directory Ubuntu 18.04
I'm following these instructions to make a debian.img in a ubuntu 18.04 on a virtual box build
On the PC, create a folder and generate a formatted, mountable image.
Install a Debian Buster linux ...
0
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1answer
46 views
Multiple users access to the same vsftpd chroot environment in server 18.04
I have three different users in a Ubuntu Server 18.04.4:
ls -la /home
total 28
drwxr-xr-x 7 root root 4096 Mar 6 17:17 .
drwxr-xr-x 25 root root 4096 Mar 4 15:...
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27 views
Giving ssh/chroot access to specific folders/files only to friends?
Running Ubuntu 18.04 LTS and wanting to give a few friends access to ssh into my computer but only specific folders/files without giving access to the whole computer is there a way to do this? Was ...
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92 views
How to concretely then make /bin/bash usable by chroot?
In order to solve the problem I described here: Missing operating system. error: unkown filesystem grub rescue I'm hitting to this hurdle:
Opened a terminal with "Try Ubuntu" and then executed:
...
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0answers
302 views
Missing operating system. error: unknown filesystem grub rescue
I was installing hyperledger fabric, on Ubuntu 18.04.3 Desktop, through sudo -E, of this file https://raw.githubusercontent.com/hyperledger/fabric/master/scripts/bootstrap.sh and of another similar ...
1
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1answer
254 views
Why can't Ubuntu 18.04 chroot into a qemu environment?
I'm really struggling to understand what's to blame with chroot / qemu not work on Ubuntu 18.04. Later editions work (definitely by 19.10) but under 18.04 I get:
cannot run command '/bin/sh' No such ...
2
votes
1answer
206 views
Snap Package installation in Chroot environment
I have a Chroot ubuntu environment installed in my Ubuntu 18.04 host computer.
When I try to install a snap package in the chroot environment, the package gets installed in my host computer and not ...
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0answers
63 views
Can anybody help with failed to create symbolic link
Ive been using a Chromebook and trying to get Linux on my micro SD card so i have been doing this and creating a link to get the downloads on the SD card so this happend.
sudo ln -s /media/removable/...
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0answers
331 views
Ubuntu 18.04 chroot locale can't set
I am installing a Ubuntu 18.04 chroot on a Debian 8 system, using ubuntu-base-18.04.3-base-i386.tar.gz as the base (found from the Ubuntu website).
I mount the /sys and /proc directories into the ...
2
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0answers
50 views
Remote access with xfce4 installed on Chromebook ASUS CN60
I have ASUS chromebox CN60 with installed XFCE4.12 (Xubuntu). XFCE is automatically starting on chromebox startup with specific website in web browser. Everything is working good, but I have problem ...
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0answers
73 views
My Ubuntu 18.04 chroot doesn't link /bin to /usr/bin
So my Ubuntu 18.04 chroot was not linking /bin to /usr/bin. But my Ubuntu 19.04 chroot was linking /bin to /usr/bin.
root@localhost:/# ls
bin data etc lib mnt proc run sdcard sys usr ...
1
vote
2answers
121 views
create a system with no root [closed]
While I know it's useless in practice as such system won't be usable, can't be fixed, no apps can be installed...etc but I would like to know is it possible to have an OS that has no root at all.
...
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163 views
Make shm work in Chroot with Linux Deploy
I installed Dynamic Update Client (DUC) from No-IP on a Linux Deploy Ubuntu install but I can't get it to work due to issues with Shared memory (shm):
"Can't get shared memory. (Function not ...
2
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0answers
193 views
Why are some busybox commands in interactive mode not available in a chrooted environment?
I try to setup a most minimal chrooted environment using busybox.
I created a directory 'testRoot' and copied 'busybox' into it.
from this directory I execute:
sudo chroot ./ /busybox sh
now I have ...
2
votes
1answer
51 views
I am running a chroot on chrome os and my Ubuntu version is 16.04.6. Can I update to a newer version?
I am on a Chromebook and am running a chroot. My Ubuntu version is 16.04.6 I want to upgrade to a newer version. Is this possible? If I look online, it says to open a program called update manager. ...
6
votes
3answers
552 views
Is it possible to run some application in the chroot or container but allow DBus interaction with host system?
I need to run old version of application in chroot (or container) and allow DBus interaction with host system. I can't install this application on host system because of serious dependency problems.
...
0
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2answers
427 views
SFTP Default Folder & Limiting Access With chroot
I want to default a given user to a specific folder when they SFTP to my Ubuntu 18.04 machine. I also wanted to lock down SFTP a bit. This Digital Ocean post gave me what I needed, and helped me get a ...
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0answers
2k views
Cannot start services : Running in chroot, ignoring request
I am working with Ubuntu Core using snap classic mode.
I want to use some services, like Docker. I managed to install it, but when I try to start it (with sudo service docker start) or just even get ...
0
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0answers
668 views
update-initramfs failing when trying to install init from chroot
For a bit of a backstory, my laptop came with Windows 10(I don't use this now), to which I added another partition for Ubuntu 14. Then another for Ubuntu 16. Then I bought an SSD which now has another ...
0
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1answer
620 views
Lock user to single directory
I don't want to lock ssh users, I want to lock users in general. If a process is running as a user e.g. su -c "ls" user1 I want user1 to only ever see the folder /path/to/folder and it's subfolders/...
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2answers
299 views
How to change folder permission with chroot
So I played around some with display managers, and when I switched to LightDm it said in terminal to change file permission to root for /home/user/.config being tired I didn't really think about what ...
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0answers
75 views
Why there is no sbin folder in chroot jail path environment variable?
I am running Ubuntu 14.04 in a chroot jail and the value in /etc/environment is:
PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games".
However, whenever I ...
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votes
1answer
332 views
How can I have all packages come with Ubuntu on a chroot?
Unfortunately, when I use debootstrap to install a chrooted ubuntu only a set of minimal packages gets installed. What should I do if I want to install all packages that come with Ubuntu?
The reason ...
0
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2answers
2k views
/dev/null permission denied in chroot environment
I have Xubuntu 18.04 in a chroot environment. I just dropped it in there from a VM I had of it.
Going into the chroot environment, if I try to run apt update I get this error:
/usr/bin/apt-key: 624:...
0
votes
1answer
2k views
Can't launch Qt Creator in Ubuntu 18.04
My environment initially had qt4 and Qt Creator seemed to work fine back then. I installed qt5 and after that Qt Creator does not launch anymore. Qt Creator works fine in my virtual machine however.
...
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0answers
156 views
How to automount with a chroot?
So in a chroot I have a /etc/fstab file. If I run mount -a in the chroot, it mounts the partitions listed. However, even when using the auto option, they do not mount when entering the chroot.
What ...
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0answers
181 views
Rebooted system during fsck command: How to recover?
Being a new linux user, I mistakenly thought the system had hung when running fsck on my root partition and proceeded to reboot. After that all my system directories went into lost+found and the ...
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0answers
563 views
Changing hostname (with hostnamectl) in chroot environment does not work (Iso customization) Ask
I can not change the hostname in the chroot environment (Ubuntu) I tried hostnamectl set-hostname but it says:
Failed to create bus connection: Couldnt find file or folder
Then I tried changing it ...
0
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2answers
304 views
“No journal files were found” on chrooted rescue system
I have a remote Ubuntu 16.04 server that I can't reach via ssh after I shut it down and booted it again. I had OpenSSH Server installed during system installation and I never disabled it (e.g. ...
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3answers
2k views
Can't connect to internet in chroot
I can't connect to the internet in chroot. For example, when I run apt update, I get a "temporary failure resolving". I tried copying resolv.conf over but still same error.
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0answers
892 views
Using apt-get install in chroot
I used debootstrap to create a chroot environment:
sudo debootstrap trusty trusty/
sudo chroot trusty
I'm using chroot. but command apt-get doesn't work:
I have no name!@user:/# apt-get install ...
0
votes
0answers
683 views
Kernel panic at boot and many programs segfault / core dump
Today I booted up an Ubuntu computer I last used when it was working fine 2 weeks ago, and now every kernel I have (4.15.x and 4.13.x) panics at the beginning of boot, including in recovery mode.
I ...
0
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1answer
96 views
Ubuntu won't boot after a power-cut during upgrade
I started an upgrade to (I believe) 18.04 and it got interrupted by a power-cut. I tried the solutions mentioned here --> Lost power during upgrade, how do I recover? I have booted on ubuntu 16.04 ...
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0answers
285 views
In ubuntu 18.04 LTScustomize my background from installation
I want to know how to customize my background from installation in ubuntu 18.04 LTS.
I have installed cubic for live cd creation.
How could I do this?
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0answers
279 views
getpwuid error with screen command for chroot user
The background is that I want to allow a chrooted user to execute a shell script in a detatched screen.
I created a chroot user and gave him a home directory. In this directory I made a /bin ...
0
votes
1answer
167 views
How to install packages within pbuilder/cowbuilder chroot environment?
I want to do some automation of building/installing packages. I know cowbuilder allows you to build a package in a clean chroot environment.
Is there a way to install built packages to make sure ...
0
votes
1answer
84 views
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 ...
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0answers
222 views
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'...
2
votes
2answers
611 views
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 ...
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0answers
233 views
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 ...
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0answers
178 views
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 ...
0
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2answers
773 views
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 ...
