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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3
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333 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/ ...
3
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681 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 ...
2
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223 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 ...
2
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0answers
307 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 ...
2
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0answers
133 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 ...
2
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576 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 ...
2
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183 views

Is there a proper way to set up a copy-on-write based build env that use your live / as base files?

I'm trying to set up a build environment using chroot, but instead of downloading ubuntu base files, I want to use my live / as base files for the chroot and use c-o-w to redirect any changes made in ...
2
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134 views

How I can run Android 4.0.4 in chroot on Ubuntu 12.04 on the Pandaboard ES?

I want to run fully functional Android 4.0.4 on my Ubuntu 12.04 installation on the Pandaboard ES with the LXC containers.
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88 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 ...
1
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0answers
30 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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738 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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29 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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446 views

How to get Juniper 7 (R4) working with Ubuntu 13.04 (64) on Chromebook (Crouton install)?

I've been trying to get my company's Juniper VPN to work on my Crouton install. I'm running Crouton on a C720 with Ubuntu 13.04. I was able to get past the JRE issue (Not able to connect to Juniper ...
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0answers
300 views

Copying files into custom uck chroot environment

I have been trying to setup a custom Ubuntu 13.10 ISO, containing programs and utilitiess that are beyond what is installed by default. I am initially using uck and finally got it working for me, ...
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91 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
84 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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178 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. ...
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281 views

ImportError: No module named mechanize

I am having an issue where I have definitely installed mechanize both on my machine and in various virtual environments. When i running the program got error message ImportError: No module named ...
1
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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 ...
1
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0answers
173 views

Chroot environment can access external, but not internal network

I've just set a chroot environment up on a new 12.10 install, and it seems capable of accessing the external network (Internet basically) but it cannot access anything on the internal network inside ...
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565 views

Cannot start gnome-shell in an Android chroot

In my Android-hosted Ubuntu 12.10 chroot, I am attempting to get gnome-shell running on Xvfb. I've handled rendering issues as far as I know, and now I'm having trouble with gnome-shell. I suspect ...
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95 views

Auto-passphrase in schroot: can't connect to `/run/user/korn/keyring-x30g9r/gpg

when running "debuild -S -sa" to create the source files and sign them in Ubuntu 12.04 I only had to enter my passphrase once and then it is automatically used to unlock my private key on future runs ...
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574 views

Debootstrap chroot Installation Error

During initial installation (using both Network installation and CD ISO) of Ubuntu Server 12.04.1 LTS (64-bit) as a guest VM on XenServer 6.1 I'm getting this error: Debootstrap warning Warning: ...
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17 views

Cannot access portable disk from (s)chroot jail

I want to access the files in my portable hard disk, so I bind-mount the /media directory to the schroot jail by adding a line /media /media none rw,bind 0 0 to ...
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11 views

How to set up apt-get ssh transport with chroot

I want to set up a private APT repository that is only accessible by a shared public key, via the ssh transport. The only problem is, this also gives ssh access to the machine. I would therefore like ...
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24 views

How do I know if I'm in a jail, container, snapshot, etc. environment?

I received a machine (Ubuntu 12.04 server) from a coworker when he left the company. I created my own user as sudo/admin and used the machine for months. After rebooting for the first time since I was ...
0
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8 views

Jailing particular users on login

This whole deal with jails and chroot is a bit confusing to me. They are used to run possibly risky programs securely, but this has to be initiated by the user. I'm looking for how to jail users like ...
0
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92 views

Change chrooted sftp user default directory

I am using Ubuntu Server 14.04.1 LTS running openssh. I have set up sftp chroot for several users by editing sshd_config like below: add: Subsystem sftp internal-sftp Match Group sftp_users ...
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92 views

Strange boot problem in Server 14.10

This is on Ubuntu Server 14.10. I am setting up a user that is chrooted to its own home directory through SFTP, but I need the user to be able to access/edit a subdomain of my website at ...
0
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41 views

How to SFTP Jail (chroot) with Active Directory authentication

I am try to set up SFTP with Ubuntu 14.04 using chroot with AD authentication restricting by Group as well as having a public area for users. I already have samba, winbind and kerberos setup as a ...
0
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122 views

Ubuntu iso build debootstrap error chroot/test-dev-null: Permission denied

I am trying to build an ubuntu trusty tahr iso image from the sources. But a get all the time this error message and I don't now how I can solve it. I execute the build script as root. I: Validating ...
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15 views

How do I Resolve a dependency issue with Ubuntu SDK, chroot, CMakelists, and the Emulator?

I am trying to build lp:ubuntu-filemanager-app on the ubuntu sdk for running on the emulator. The libraries I need are installed on my system, and in the phablet-shell. I can run the application in ...
0
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0answers
20 views

How does package configuration work during ISO installation?

I am creating my own custom Ubuntu 14.04 ISO, with a different set of packages. I am using debootstrap for this purpose, which creates a basic system in a chroot (fakechroot in my case) that is ...
0
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168 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 ...
0
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15 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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23 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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43 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 ...
0
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0answers
120 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 ...
0
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0answers
119 views

Is it necessary to mount /dev/shm when chroot from Ubuntu Live CD?

Ubuntu is a Debian derivation. Debian squeeze (6.0.0) requires /dev/shm mounting for chroot. I do want to chroot to re-install grub. Does Ubuntu also require /dev/shm mounting for correct chrooting ...
0
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0answers
97 views

LTSP installation step failed

Today I've tried installing an LTSP server on a virtual machine (host : Win 8 x64, virtualbox 4.3.6 r191406 as the newer versions have problems), I gave it an additional NIC as host only. Everything ...
0
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0answers
166 views

ubuntu 14.04 livecd chroot error

I wanted to try to reinstall grub2 for ubuntu 14.04: run 14.04 livecd mount the root partition and mount dev sys run proc: sudo mount /dev/sdc1 /mnt for d in dev sys run proc; do sudo mount -o ...
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117 views

All SFTP chroot access is read only?

These are the pertinent lines from my /etc/ssh/sshd_config Subsystem sftp internal-sftp Match Group sftp X11Forwarding no AllowTcpForwarding no ChrootDirectory %h ForceCommand internalsftp ...
0
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0answers
67 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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421 views

Having an issue with Ubuntu on my Samsung Chromebook?

Ok so first off I had this running pretty slick before my fiance touched it. Booted it back to regular mode. So i have to go back through and turn developer mode on, and reinstall crouton and all ...
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54 views

Tightvnc Server - How to [Minimal CPU/Latency] for basic apps over 802.11n direct

Greetings fellow tinkers, and people who... "fix" things... Right then!So I have a Nexus 5 in a chrooted Ubuntu 14.04 that I want to export the display from to a 10 inch tablet via wifi - And before ...
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19 views

Is there a guide step by step to use old libraries within a new system or new libraries with a old system for debootstrap or chroot?

The response in here How to run HipHop with an old libc6 (not solved) and libc.so.6: version `GLIBC_2.16' not found was so short (for me, I am mid level linux user, not pro, because I don't know ...
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0answers
27 views

Unsuccesful upgrade from 13.10 to 14 64bit

I had unsuccessful upgrade to kubuntu 14, unfortunatly. I does this steps: sudo mkdir -p /media/ubuntu sudo mount /dev/sda1 /media/ubuntu sudo mount --bind /dev /media/ubuntu/dev sudo mount --bind ...
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261 views

ubuntu upgrade rescue meet the udev problem, help

Thank adevance, please help me out! I upgrade from 13.10 to 14.04, but there is problems occured, so I rescued through KNOPPIX livecd. Just now the problem is: when i tried in chroot enviroment : ...
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90 views

How to chroot [Android] on top of [Ubuntu]

I know I can run ubuntu on android: With a Chroot (Linux installer, etc from market) but how does one run android chroot under ubuntu?
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1k views

vsftpd giving 500 OOPS: vsftpd: refusing to run with writable root inside chroot() even though the root is not writable

I have a user - ftpuser - whom I want to chroot to his home directory. I set the .conf file, created the user, and set his home directory to read only: $ cat /etc/passwd ...