Questions tagged [chroot]
chroot is a command on UNIX-like systems which runs a process under a different root directory.
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Bind mounts not visible in chroot
I am using a debootstrap envs on my Arch system.
I bind-mount some directories from my home dir into the chroot fs home dir, ie. /home/user/foo → /stretch/home/user/foo. I can see the content from the ...
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How to create FTP restricted user with vsftpd? (by terminal in Ubuntu)
I have installed ubuntu 12.04 with vsftpd. I need to create FTP users able to access only directories like /var/www/nameDirectory. I thought it was a very basic feature, but seems not I tried to use, ...
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Chroot, Containers or Virtualization on OS X for safe development
I would like to provide a bit of context before asking my questions:
I've been working on Windows/Linux for years, and recently I was having a good time with WSL2.
My Windows machine isn't powerful, ...
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How to install arch linux packages with yaourt when invoked with docker build from Dockerfile?
I am trying to build my own jira container using official pritunl/archlinux image. I have already installed yaourt and committed that to rusk85/archbase. My Dockerfile looks like this:
1: FROM rusk85/...
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Why is "ls /.." different to "ls /" in fakechroot fakeroot chroot environment?
I am testing a bash script.
It sometimes does this:
ls /..
In Linux, this is same as:
ls /
But in a fakechroot setup like this:
fakechroot fakeroot chroot sandpit
I get a list of files in my ...
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SFTP with chroot in a folder that can not have root privileges
I have troubles with setup a SFTP with chroot in "public" folder.
Each client on my server has 3 to X accounts.
These three accounts are:
USER - system account only for internal use, requires full ...
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Cannot detach file-backed loop device after unmounting
I have some image files that I often use for cross-compilation work via chroot. My usual deal is to create a loop device with it, mount its main partition, bind mount /dev, /proc, /sys, and maybe /etc/...
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sshd "received disconnect: disconnected by user"
I can successfully login to the SFTP server (uses SFTP chrooting), but every time I issue ls, the connection will close:
I mounted /logs/xxx to /sftp/user/xxx and am unsure if the binding I did has ...
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Is it possible to run a process in chroot with virtual /proc filesystem under Linux?
I need to run a process in a chroot with a virtual /proc filesystem, so the process is unable to get access to other processes running on the same host. The process must be run under root and have ...
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chroot under Mac OS X
So I have googled a lot with different search terms, but didn't find anything usable, only that intead of ldd I have to use otool -L to see the used libraries of a programm.
I tried to copy bash into ...
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How do I mount as a read-write filesystem and not read-only?
I'm trying to install Gentoo in a virtual machine. I ran into this problem and began researching what the answer might be. The file system is read only. I can't mount it as read-write.
I'd rather ...
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LFS 11.2 on Ubuntu Server 22.04: chroot: failed to run command ‘/usr/bin/env’: No such file or directory
I have been following the LFS 11.2 guide and it has gone smoothly up until the chroot part. Although the symlinks have created properly i.e. relative to the LFS directory, the error is still ...
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How to mount overlay filesystem over root folder in linux?
I want to mount an overlay filesystem over the root folder.
My commands are:
mkdir -p merged upper work
sudo mount -t overlay ovr -o index=off -o lowerdir=\,upperdir=upper,workdir=work merged
I get ...
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Docker images that don't contain a package manager
I typically think of docker containers as executable processes that get to carry with them little bits of "environment", such that nothing needs to be installed on the docker host. For instance, a ...
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How to sandbox code in chroot for multiple users?
What am I trying to do?
I'm writing a code evaluator using chroot and python and went to hackerrank for some inspiration.
What I think is happening at Hackerrank?
Hackerrank creates run-...
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exiting chroot leads to getpt failure
On a Debian Jessie machine I have a rootfs image which I chroot in this way:
mount myimage.img /mnt/myimage
cp /usr/bin/qemu-arm-static /mnt/myimage/usr/bin/
mount --rbind /dev /mnt/myimage/dev
mount -...
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creating linux device files for bootstrap
I'm currently independently researching device files as a part of learning more about the Linux system in depth. My current goal is to bootstrap Debian Linux through cdebootstrap. I followed the guide ...
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setting up mirrorlist for pacman.d in chroot / installing arch to usb stick
I am new to ArchLinux and—moreover—deeper linux noodling. I am following the guide on the Arch Wiki.
I am at a step where I set up the mirror list for repositories. I have my mirrorlist file in ...
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Chroot into Arch Bootable USB
I have a bootable USB drive with Arch Linux recently installed on it (Linux kernel 3.19.2). I want to plug it in to my computer and chroot into it (or possibly run it inside a container, using systemd-...
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"Cannot open audit interface" upgrading libuuid1 --- is selinux confused?
I have a Debian chroot on a Linux system running an alternative Linux distro. It's always worked fine in the past but in the past few months I've found myself unable to upgrade libuuid1. Instead it ...
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Set up sftp mysql authentication with chroot
How do I set up an openssh SFTP server that authenticates against a MySQL table where the users are jailed? Each user will need to have its own jail:
/home/sftp/john
/home/sftp/jane
etc..
However ...
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How to hide subdirectories within chrooted directory from users who don't have access
Apologies if this problem has been answered before / elsewhere. I've had a hunt around but am unable to find anything. If so please point me in the right direction.
I'm running a linux ftp server (...
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How to get out of a chrooted environment in ArchLinux
I'm attempting to install ArchLinux via SSH. At the moment I'm not at the machine, but I do have root access to it.
I have SSH setup in the Chroot environment (arch-chroot). Is there anyway, while ...
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Is there a way to use ACL to deny access to folders by user, preferrably by making them invisible?
Is there a way to use Linux's Access Control Lists feature to deny access to folders by user, preferrably by making them invisible? This is needed for a chroot SFTP environment where we want to block ...
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Unity closes on Ubuntu Logout, but does not complete logout. (Crouton on Chromebook)
I've got a Chromebook 14 "dual-booting" Ubuntu 14.04 using Crouton with the stock Chrome OS. I've had it like this for a while with everything operating fine. As you know, Linux Distros are kind of ...
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Logging rssh/chroot SFTP users
I'm trying to log activity (uploads, downloads, renames, deletes) for SFTP users.
If I SFTP with a normal user, it logs to /var/log/secure.
If I SFTP with a rssh user, it logs that they connected, but ...
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chroot SFTP user can't modify any files in mounted drive
Well, here are the steps I’ve done; the problem is listed at the bottom.
sudo mkdir /home/test
sudo useradd test
sudo chown root:test /home/test
sudo chmod 755 /home/test
sudo groupadd testgroup
sudo ...
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statify executables in chroot
I am trying to run arbitrary executables in a chroot. Unfortunately I have different version of the shared library dependencies of some of the executables in the chroot. Is it possible to reroute the ...
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tazpkg install option asking for su when in chrooted image
I am trying to install a couple of packages in slitaz chrootd image but
tazpkg keeps asking for su privilages.
I have fallowed this tutorial http://doc.slitaz.org/en:handbook:chroot
Host is Ubuntu ...
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Unable to get to switch_root mode in CentOS 7
I am trying to reset the root password on my old drive, and I followed this instruction:
https://www.redhat.com/sysadmin/recover-root-passwd
However, instead of booting into a 'rescue' prompt as the ...
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How to properly unmount a bind mount?
In order to create a chroot, I often do something like:
mount --bind /dev ./dev
But when I try to unmount ./dev, it sometimes attempts to unmount/redirect to /dev instead.
How to tell I want to ...
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Cant start xinit from chroot
I have been trying to run a graphical system from a debian bootstrap
What i did is create a basic bootstrap using debootstrap,
Installed openbox as a test wm,
Set Display variable according to Arch ...
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Kali linux Kernel panic - not syncing: Attempted to kill init! exitcode=0x00007f00
I was running fsck for a disk in initramfs and after it finished, I wrote “exit” in terminal. After that, when booting in that drive, I still have the kernel panic screen. Tried to chroot into broken ...
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How to chroot nginx virtual hosts
I want to prevent php scripts inside virtual hosts from accessing files outside their document root.
How is this possible without using containerization ?
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SFTP prevent user from deleting original directory
I cannot find how to prevent chroot users from deleting some original directory. I have an SFTP that is already working. Below is my process to create a directory for new partners.
[root@...]# ...
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How to avoid chroot jail affect actual system (e.g. update system time)?
I am new to chroot. I thought chroot is a contained separated system that would avoid things happen inside chroot jail affecting the actual system outside the jail. However I just confirmed that if I ...
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warning: no inet socket available: No such file or directory
so there i am using chroot to chrooting into debian bootstrap everything worked just right on root account until i added a new user to figure out that i cannot do update or access xdisplay or ...
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How to set up apparmor for Bind DNS?
I have figured that on my server apparmor was preventing me from running Bind in chrooted environment. I have created folder /chroot/named with all of the directories and files that Bind requires in ...
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Howto properly mount /proc, /run to prevent chroot from being able to see or kill processes belonging to the host
I use a loop in a script to mount --bind special filesystems such as /dev, /dev/pts, /proc, /run, /sys (and /sys/firmware/efi/efivars optionally) this way :
for specialFS in dev dev/pts proc run sys
...
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OpennSSH for windows: %u gives <domainname>/<username>
I'm using OpenSSH 8.1 for Windows and I'm trying to chroot users to their AD home dir [D:\homes\sub\<username>] using %h in the config file, however the chroot-directory redirects the user to ...
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Trouble setting up permissions for jailed SFTP user
I'm running Arch and have created a new user named moderator that I would like to give access to a couple of folders that they can read / write to.
My plan was to create a new folder, named "mod&...
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How can an SELinux filesystem be relabeled in an unpacked squashfs filesystem?
I am trying to configure selinux for a live boot Debian system.
SELinux is inoperable due to copious changes during build and system configuration and requires the entire filesystem to be relabeled. ...
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Does chroot make effect on bootable usb-pendrive?
Let's suppose I put my Linux usb-pendrive inside my PC. I start the system and the I use chroot to apply same changes to the system.
What happen if I reboot the usb-pendrive? Are the changes I made ...
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sftp and chroot on debian
I am experimenting with a server running Debian. It should replace my aging Apple server (and since the new Apple server is not a server anymore that is no longer an option).
So far everything goes ...
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VLC automatically opens when I plug in headphones
I'm on Ubuntu 16.04. VLC media player version 2.2.2 Weathermax. Every time I plug in my headphones, VLC media player opens. I'm wondering if I can disable this from happening.
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Gaining real su permission on gnu root debian instead of proot env?
Im running a samsung galaxy j110H, kitkat 4.4.4, rooted.
Is it possible to attain real super user privillige on gnuroot debian instead of fakerootfs. Is there any way as in when I type in su; there ...
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Cannot detect filesystem for / in chroot
I have a script that requires knowing the file system type by using df /.
I'm running this script in a chroot centos7 environment running in a opensuse host, and it is failing because the file ...
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PuTTy command script hangs after "chroot . sh"
I'm trying to automate a build with Putty, just ssh'ing into a VM and running a few commands by specifying a .txt file that contains the commands to run.
One of my commands is chroot . sh and it ...
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Is there a simple low-overhead way to install deb packages in a virtual environment?
When I'm working on some arbitrary project I usually need a couple of packages. For all the python packages I create a virtualenv so that once I'm done I can delete the whole thing, and it does not ...
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Creating multiple SFTP users who use different SSH keys to connect to the same chrooted directory?
I have an Ubuntu-powered server, which - among other things - acts as file storage/hosting (powered by nginx), so that if a file is put in /var/www/files.ourcompany.com/file.txt, it is publicly ...
