a linux command to change the filesystem root a process can see, limiting it's access to the real filesystem root

learn more… | top users | synonyms

0
votes
2answers
13 views

Installing Apache Cordova, unable to locate package

Got Cordova installed and able to make an app. I have to run sudo click chroot -a armhf -f ubuntu-sdk-14.10 create to install the Ubuntu SDK, so I can later build to Ubuntu. When I run the command, I ...
0
votes
0answers
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 ...
0
votes
0answers
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 ...
0
votes
0answers
23 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
votes
2answers
24 views

how can I confine terminal in a directory as in chroot?

I want to set a particular directory as top directory temporarily. Let's say I open terminal in /home/me/mychroot how can set mychroot directory as top directory for that terminal?
0
votes
4answers
64 views

scripting chroot, how to?

So I'm looking at: https://help.ubuntu.com/community/LiveCDCustomizationFromScratch and trying the following within a bash script: sudo chroot chroot mount none -t proc /proc mount none -t sysfs ...
1
vote
3answers
151 views

How do I create a local repository accessible from a local chroot environment for O/S building?

I am interested in building my own custom Ubuntu remix, and have been doing so with the Ubuntu Mini Remix ISO. To do this, I mount the disk image and chroot into it, in a manner similar to this ...
0
votes
0answers
7 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
votes
0answers
88 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 ...
0
votes
0answers
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
votes
0answers
40 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
votes
0answers
104 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 ...
0
votes
0answers
14 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
votes
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
votes
1answer
137 views

How to migrate from ext4 to zfs root filesystem with separate ext4 boot partition?

I'm trying to change my root partition from ext4 to zfs (simple partition, without ZFS volume management functions) by moving all files in a live system (Ubtunu 14.04) from the ext4 partition to an ...
0
votes
1answer
133 views

Upgrade from Ubuntu 12.04 to 14.04 gives black screen and x cursor on startup

I have a Dell 11 chromebook on which I downloaded crouton, and through that, ubuntu 12.04. 12.04 was working perfectly well until I got a message from the update manager asking me to update to trusty ...
0
votes
0answers
160 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
votes
0answers
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, ...
0
votes
1answer
81 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, ...
0
votes
1answer
94 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 ...
0
votes
0answers
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 ...
0
votes
1answer
532 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 ...
1
vote
0answers
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
vote
0answers
29 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 ...
1
vote
2answers
85 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 ...
0
votes
0answers
39 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
votes
0answers
118 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 ...
2
votes
0answers
213 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 ...
0
votes
0answers
115 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
votes
0answers
96 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
votes
0answers
150 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 ...
0
votes
0answers
114 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 ...
1
vote
3answers
142 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.
0
votes
0answers
66 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 ...
0
votes
0answers
413 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 ...
0
votes
0answers
53 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 ...
0
votes
0answers
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 ...
2
votes
1answer
257 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 ...
2
votes
0answers
306 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 ...
1
vote
1answer
571 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' ...
0
votes
1answer
155 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 ...
1
vote
0answers
723 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 ...
2
votes
0answers
126 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 ...
0
votes
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 ...
0
votes
0answers
256 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 : ...
0
votes
1answer
943 views

Chromebook crouton installation continually failing

I have a Samsung ARM (Series 3) chromebook. Following the tutorials online to download Ubuntu via crouton, and each of the three times I have tried, I get this error before the installation ...
0
votes
0answers
88 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?
0
votes
0answers
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 ...
1
vote
0answers
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 ...
0
votes
0answers
107 views

ARM chromebook crouton xfce precise. one too many desktops

Running crouton xfce precise on ARM chromebook. I seem to have set up 2 chroots. when using the ctrl/alt/shift/back key combo I cycle through chrome desktop, then 2 xfce/ubuntu desktops. the one i ...