A chroot on Unix operating systems is an operation that changes the apparent root directory for the current running process and its children. A program that is run in such a modified environment cannot name (and therefore normally not access) files outside the designated directory tree.

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How can I convert a chroot into a GRUB2 bootable ISO image?

Say I have a chroot containing what will be a working Linux system, and some additional init scripts to mount an overlay filesystem (e.g. AUFS) over it. I've also generated a GRUB2 boot menu. What ...
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Where to create virtual link for chroot?

I've tried to pass this step of lfs but when i put: chroot "$LFS" /tools/bin/env -i I got: chroot: failed to run command '/tools/bin/env': No such file or directory So i search about it and ...
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Are system calls available in a chroot environment?

I'm experiencing a lot of compilation errors regarding missing system calls (e.g. error: '__NR_name_to_handle_at' undeclared (first use in this function)) with different projects (ganesha 2.1.0 ...
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How to setup a scanner in crouton chroot?

I have ubuntu 12.04 installed on my hp chromebook using crouton but I'm not sure how to access a usb device from inside the chroot. I'm trying to access a brother DS-720D scanner with xsane. From ...
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Can I use a shell or python script to execute commands in a chroot?

I need: to make a shellscript which can chroot into a linux environment and run a command there. I am using: arch-chroot (on the arch linux livecd)
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Run Java in a chrooted jail

I'm on a CentOS 6.5 machine with Plesk Panel which I used to create a chrooted environment for a user who can access it via ssh. I'm not a big expert but somehow I managed to let him use some basic ...
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Sandbox alike solution for linux

I wonder if there is a kind of a sandboxing solution for linux, sometimes there is more than one app that is candidate to solve my problems, in that case I want to try all of them to get the one which ...
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rm -rf on vhosts directory, what should I do?

I was tired and unfortunately I did: rm -rf * /var/www/vhosts repertory on my CentOS 6.3 running with Parallel Plesk. I lost many websites, but worst: I've lost chroot, default, fs and fs-passwd. ...
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Creating a Safe Web Server

Web server hosts multiple websites. Multiple users update each website. User home directory /home/user1 /home/user2 Web directory /var/www/site1 /var/www/site2 Each user uses SFTP to upload ...
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Allowing access to single folder in centos

I have a java application in /usr/local that keeps writing to a text file on a daily basis. I need a particular user to be able to read this file. What is the best way to do that? I have recently read ...
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PostgreSQL on Chroot Jail

I'm trying to run in a JAIL PostgresSQL but I can't make it work. What are the libraries and procedure to run PostgreSQL inside a JAIL.
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Linux prompt missing brackets

I'm using centos in my VPS server and guest system. There're two logins for a guest system. One is root and one is regular. After I mounted the guest system and chroot to the mounting directory, I ...