A chroot on Unix operating systems is an operation that changes the apparent root directory for the current running process and its children.
Questions tagged [chroot]
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Mounting /var/www for File recovery
I'm in the process of recovering my server's files in a "Rescue" mode. Its a Ubuntu 12.04 with 2x3TB in RAID1. The instructions were to SSH into the server in "Rescue" mode, mount the partitions, chroot into /mnt and recover my files. I also have to…

Nyxynyx
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Add write permissions for chroot user on centOS 6
I've a jailed user "ftest" (in /home/ftest) but he can't create files or folders within the jail.
User was added by:
useradd -g nginx -G sftpjail -s /bin/false
Permissions and owners are:
755 root:sftpjail /home/ftest
755 ftest:nginx…

Thorsten Scheckenbach
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Setting up chrooted shell accounts with schroot and debootstrap on Ubuntu 10.04
UPDATE:
I never did get this figured out. Instead i ended up jsut using jailkit since there is a ton (though sometimes outdated) documentation on usage. Id still be interested in knowning how to get schroot to work though.
IVe found a ton of…

prodigitalson
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Chrooted from LiveCD: Bad IO performace
my Ubuntu Server installation is broken, so I grabbed a Ubuntu Desktop CD, mounted my Ubuntu installtion on my hard disk and chrooted into it.
But now my IO performance is really bad:
# time dd if=/dev/zero of=/tmp/foo count=1
1+0 records in
1+0…

Marta
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SSH - SFTP/SCP only + additional command running in background
there are many solutions described to get ur SSH-connection forced to only run SFTP by modifying the sshd_config by adding a new group match and give that new group a Forcecommand internal-sftp
Well that works great but i would love to have a little…

Chris
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Jailkit not locking down SFTP, working for SSH
I installed jailkit on my CentOS 5.8 server, and configured it according to the online guides that I found. These are the commands that were executed as root:
mkdir /var/jail
jk_init -j /var/jail extshellplusnet
jk_init -j /var/jail sftp
adduser…

doublesharp
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openssh sftp chroot
I chrooted a user to the directory /var/www/upload using ChrootDirectory /var/www/upload in my etc/ssh/sshd_config.
The permissions of all the files in var/www/upload is 755 and owner is root:upload_user.
However, I still cannot modify the files.…

Zulakis
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vsftpd and home directories of chrooted local users
NOTE: Users are chrooted and their local_root is set to /srv/ftp.
Why vsftpd forces local chrooted users to have home directory? It will refuse to work if there is not any. And I've found the following in the code:
secutil.c:53
/* Always do the…

Roman Byshko
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Chroot / sFtp / Ftps Problems
regular debian admin, i am faced to a complex situation and i appreciate your advices...
I have a server with chroot environment that is working without problems up to now :
Chroot user : store
chroot path : /home/store
I have in this chroot…

tdldp
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installing debian with debootstrap and lxc instead of debootstrap and chroot
So I need to 'install' (or rather prepare a root filesystem for) a Debian system and that was done with debootstrap and chroot before. However due to the not-very-existent isolation of chroots (with regards to networking, reboots, etc.), this is a…

Michael
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PHP-FPM, chroot, Ubuntu Precise 12.04, and no access to DNS
There's a plenty of advices across the Internet on how to enable DNS in chroot.
The problem is that there's no /lib/libnss* files in the Ubuntu Precise.
I've tried to copy these files from /etc/: hosts, nsswitch.conf, resolv.conf and the entire /lib…

Pavel Koryagin
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chrooting an application
I have an requirement that requires all applications running on a server in a DMZ to be chrooted. How does one chroot an application using Ubuntu? Are there any good online guides?

Tucker
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is doing mount -t proc none /proc unsecure for a chroot environment?
What does
mount -t proc none /proc
do inside the chrooted environment?
After doing that, when I run htop or ps aux inside the chrooted environment, I can see the actual root's processes.
Does it mean mount -t proc none /proc makes the chroot more…

user269334
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SFTP to chroot and SSH to manage system in one config?
We have a webserver where users are allowed to upload (SFTP) large files in a chroot environment. We also want to be able to use SSH to manage this server.
In our old situation we used the system sshd and a chroot environment with a seperate sshd…

Jorisslob
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Executing command inside a chroot from an apache/php script
I need to unit test some bash scripts, I have setup a debian squeeze in a chroot.
From command line I can use chroot /directory my-command, ou schroot -d / -u root my-command, but I need to run theses commands from a PHPUnit test, runned by Apache…

Cédric Girard
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