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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387 views

setup mod_proxy_fcgi phpmyadmin on apache php-fpm chrooted user

I have PHP5-FPM + mod_proxy_fcgi (chrooted) running on Apache2 (mpm_worker) Ubuntu 14. By this every vhost user is chrooted to there home dir "/var/www/html/domain.com/public_html/". Here php in ...
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36 views

Add Compass, Composer and Sake to chrooted

My Server is running Ubuntu 14.04 with Plesk 12. Clients have access only to a chrooted shell because I don't want theme to go outside their directory. With any other shell they could access compass, ...
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1answer
154 views

debootstrap does not extract libc6, does not create /sbin/ldconfig

I am using dbootstrap to create a chroot root file system (Ubuntu 14.04), so that I can use it later to image another machine. I specify all the necessary packages, and debootstrap seems to retrieve, ...
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1answer
259 views

Recover unbootable Ubuntu, boot-partition gone?

I was unable to boot Ubuntu after setting my BIOS to default. I tried Boot-repair and tried a "recommended repair". After a while it asks me to insert the following in Terminal: sudo chroot ...
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48 views

Where is commands executed in chroot saved?

Any commands typically run in a normal Terminal session is saved in .bash_history. But I've chrooted into an installation according to these instructions, and exited. Later when I chrooted again into ...
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1answer
2k views

How do I boot Ubuntu from a USB on an Acer C720 Chromebook?

I installed Ubuntu using the method described in this video: https://www.youtube.com/watch?v=DMyMqqU2Mqs In short, I installed crouton Ubuntu with the unity interface. and when installing Gimp through ...
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0answers
137 views

Customized sources.list for custom live CD

I recently built myself a custom live CD of Xubuntu 14.04.1. This live CD is used to distribute to my customers to install on their machines with a set of pre-installed applications, some of which are ...
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0answers
54 views

How can I set vsftpd user-specific access?

I'm using vsftpd (on 14.04) and I want to set user-specific access: - admin has full access to home folder of all users - standard user (everyone from group "users") has permission only for his home ...
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2answers
353 views

chroot question

I am wondering if there is anyone out there that can explain an error that happens when I try to use debootstrap. sudo debootstrap --arch i386 wheezy /srv/chroot/wheezy http://http.debian.net/debian ...
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132 views

Issuing in running apache2 in chroot environmet

I am trying to run the apache2 server from chroot environment following this link http://archive09.linux.com/feature/36331. The only difference is that I started the /usr/sbin/apache2 after getting ...
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162 views

Problem running Ubuntu on chromebook

A couple of days ago I bought a ChromeBook and decided to run Ubuntu on it. After a couple of hours on it, I went back on Chrome OS. I usually enter sudo startunity in the developpement console to ...
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1answer
207 views

Jailkit freezing

I'm trying to jail ssh users on my Ubuntu 14.04 server. So after installing Jailkit version 2.17 (with the help of this tutorial) I'm now trying to follow this AskUbuntu answer to use Jailkit. After ...
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402 views

Ubuntu for Android, Ubuntu for Devices, LinuxonAndroid project for Ubuntu on ARMv7 machine?

I've looked around but can't find any solid solutions or help on this topic. I recently ordered a machine with an ARMv7 CPU (Cortex A-9, <= 1.6GHz, quad core). The machine also has a Mali-400 ...
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3answers
456 views

How to enter a chroot without using sudo?

Is it possible to enter a chroot without using sudo? If so, how? I've tried googling, but all I get are results about crouton.
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1answer
154 views

How do I make a chroot clone of my [current setup] like after a fresh install

Where I am... I know that I debootstrap trusty /chroot-dir and then I... mount --bind /dev /chroot-dir/dev && mount --bind /proc /chroot-dir/proc and then cat ...
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1answer
1k views

How to resolve hostnames in chroot?

I try to repair an broken Ubunu 14.04 with chroot. What I did, is to boot Ubuntu from USB mounted the original system that has to be repaired and changed to this system with chroot: sudo mount ...
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0answers
390 views

How do I chroot an SSH user to their home directory?

I don't want to use jailkit. My OS is Ubuntu 14.04. I am setting up a user account on my server for a kid I tutor, so he can run a minecraft server. He will be using putty to ssh into my server, and I ...
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1answer
1k views

wget inside chroot - cannot verify certificate?

I'm trying to install some packages into a chroot and when getting the key I get these errors: root@devpc:/# wget -O- 'https://ceph.com/git/?p=ceph.git;a=blob_plain;f=keys/release.asc' ...
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1answer
614 views

Chroot with specific kernel

I need to build some old drivers with specific kernel version. The Kernel 2.6.31-20-generic is needed. I have tried to built it on Ubuntu 12.04 and the new one, 14.04 with no success. The only one ...
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0answers
1k views

LTSP - thin client VS fat client - how does the root folder work?

There is plenty of information on the internet including here, but I could not find a specific discussion on it. Any comment is appreciated. Sorry if it is a very rookie question. I installed Ubuntu ...
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0answers
229 views

Is it possible to compile a kernel module under chroot?

Under a chroot environment, is it possible to build a kernel module without having the kernel installed, just the headers? It sounds like something you wouldn't want to do, but in my case I do. I've ...
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0answers
31 views

Create Jailed Users Using Programing Language

I want to create limited users in my system able to use only few commands. I read this question and jailkit is awesome and do what I want, except one thing creating the users dynamically (via ...
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1answer
50 views

uptart and gnokii and chroot

I try to run this upstart script. # description "" author "" start on runlevel [2345] stop on runlevel [!2345] #chroot /home/ubuntu/ respawn respawn limit 1 1 exec sudo smsd -u ...
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1answer
1k views

Provide an Xserver To Chroot

Description: I'm using a Lubuntu 13.10 X86-64 livecd to chroot into another Lubuntu 13.10 X86-64 located on my hard drive in a folder called chroot. I've had no trouble using the terminal to chroot ...
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1answer
320 views

postfix doesn't authenticate through /var/spool/postfix/var/run/saslauthd

I have a problem with postfix. I followed all description from https://help.ubuntu.com/community/Postfix. And it worked perfect except smtp authentication. I've suffered that mail.log always told ...
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1answer
25 views

installing ubuntu base system in home folder as non-root

I don't have root acess to a server which is running centos. I need a minimal ubuntu chroot environment in my $HOME . (just the apt-get, repositories etc to install packages and run them in terminal. ...
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1answer
1k views

Ubuntu fails to complete chroot setup during installation, how do I resolve this? [duplicate]

I am trying to download Ubuntu using crouton but I keep getting the same error message: Errors were encountered while processing: /var/cache/apt/archives/smbclient_2%3a3.6.3-2ubuntu2.9_amd64.deb ...
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2answers
1k views

Cannot access LAN in chroot

I have a Ubuntu 12.04 x32 running in a Chroot environment (using Crouton) on my Chromebook. It runs perfectly, and can access the internet. However, it cannot access computers on the local network (it ...
0
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1answer
88 views

ARM Chroot installing xfce fails, packages named different

I am trying to install xfce within an ARM chroot, most packages download fine however a handful error out, after looking at the packages in the repo I have found that what apt-get is trying to get ...
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2answers
2k views

ARM ubuntu fails to get certain packages

I have ARM ubuntu running under a chroot and everything seems to be set up and working well, however when I go to install certain packages I end up with failing to fetch errors, this does not happen ...
2
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1answer
125 views

SFTP chroot configuration error

Can anyone see what I have done wrong in this procedure? I can connect to the server as the new user and am in the chrooted directory, but despite setting all the proper root permissions, I cannot add ...
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0answers
656 views

Cannot install into target mounted with noexec or nodev while doing qemu-deboot strapping

I'm trying to install the armel version of Ubuntu with qemu-deboot-strap on my desktop X64 system,but I've found this error : $ mkdir precise $ sudo qemu-debootstrap --arch=armel precise ./precise/ ...
2
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1answer
6k views

How to configure SFTP to login in the “/” directory?

I want to login as root and make the / as the default directory in SFTP. Newbie help needed
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1answer
160 views

Sandbox way for linux [closed]

I wonder if there is a kind of a sandboxing solution for linux: when I want to try a software without installing it I get all the .deb files and extract then somewhere, then I do two things: export ...
0
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1answer
19 views

Restricting certain actions in a directory

So i have a web project, its a website that gives certain problems and the users try to find a solution using the C language, the compiling process is done by PHP, what i want to know is how can i ...
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0answers
109 views

Chrooting to a mounted USB Stick using SFTP

I would like to use SFTP over OpenSSH as a small FTP server. However I would like to use a mounted hard drive or USB stick as the chrooted directory for the user. As far as I see, chrooting is ...
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0answers
90 views

Restore permission and ownersip to root/home folders?

I have migrated my system to a new hard disk and backed up my system to an external NTFS volume with rsync- ahv, a oversight and mistake given that NTFS volumes do not support UNIX permissions. ...
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0answers
245 views

X Server crashes when I start Firefox from chroot

I thought to start an isolated Firefox instance in a chroot, but it always crashes my X Server. I tried with different chroot environments (raring, trusty), and tried schroot and plain chroot too. ...
0
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1answer
337 views

Accidentally uninstalled all kernels

I'm running the Ubuntu 12.04 LTS LAMP server. I got an error stating that my root directory was full after running an apt-get dist-upgrade, so following the instructions I found online, I uninstalled ...
22
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3answers
6k views

What does “${debian_chroot:+($debian_chroot)}” do in my terminal prompt?

In my terminal prompt definition in my .bashrc file, among other things, I have this snippet of code: ${debian_chroot:+($debian_chroot)} What does this do, and do I need it?
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0answers
34 views

Is it possible to upgrade a machine remotely using local system resources?

I'm doing an upgrade on a little Intel Atom "nettop". It's extremely slow and takes somewhere around an hour to do a release upgrade. I'm looking to improve that. This question follows a slightly ...
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0answers
3k views

500 OOPS: vsftpd: refusing to run with writable root inside chroot() Login failed [duplicate]

I have tried: ufw and selinux is shutdown sudo chmod 755 ftp allow_writeable_chroot=YES How to solve the problem?
2
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1answer
1k views

Unable to run executable from mounted flashdrive on Chromebook

I recently got a Chromebook and installed Crouton on it so I can run Ubuntu natively. Since the machine only has 16GB of SSD I decided to get a tiny flash drive that I can keep in it at all times. The ...
2
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0answers
773 views

Why does mounting proc in my chroot fail during debootstrapping?

In a cleanly installed Ubuntu Raring machine I am trying to perform a debootstrap of another system. Here's the exact command: http_proxy=http://192.168.122.1:8000/ debootstrap --arch=amd64 raring ...
0
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1answer
405 views

chroot sftp not able to login

I am trying to set up sftp access on my server and chroot the users into a samba share. When I edit /etc/ssh/sshd_config and add Match Group sftpusers ChrootDirectory /srv/samba/share ForceCommand ...
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1answer
660 views

Missing shared libraries when using chroot

I'm attempting to use schroot to run a 32-bit application on a 64-bit Ubuntu (actually Lubuntu) Raring installation. I was successful creating the chroot populated by the following command: sudo ...
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2answers
479 views

How to install program from Live-CD chroot?

I am using Lubuntu 13.04. How can I install programs from a Live CD from chroot?
3
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1answer
613 views

How to run `gsettings set` in chroot? [duplicate]

I ran the following command in chroot environment without X: gsettings set org.gnome.desktop.a11y.applications screen-reader-enabled true I get the following error message: (process:8290): WARNING ...
3
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0answers
911 views

What are the differences between jails and chroot?

I'm currently trying to point out the finer details between chroot spaces and jails. And clear up some of the controversy in the phrase "chroot jail." So far I have chroot defined simplistically as ...
3
votes
1answer
365 views

ssh-agent not accessible within a schroot

I'm using an schroot to do some builds of deployment packages, and there's a lot of to and fro between the host and the schroot environments. Within the schroot the ssh-agent doesn't seem to be ...