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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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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524 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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66 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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25 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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1answer
577 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
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0answers
327 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
836 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
299 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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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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154 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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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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284 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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1answer
1k 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 ...
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98 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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2k 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 ...
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30 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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117 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 ...
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353 views

Need help with sending audio from Ubuntu inside Linuxonandroid to Android

I understand that this is not entirely a Ubuntu question but it's pretty darn near:). I'm asking this question here since the linuxonandroid community is too small to get this solved within this ...
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1answer
48 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
966 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
236 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
24 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
898 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
76 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
1k 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
115 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
446 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
3k 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
147 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
335 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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0answers
93 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
85 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
202 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
298 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 ...
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0answers
310 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 ...
19
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3answers
4k 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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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 ...
0
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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?
1
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1answer
889 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
669 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 ...
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1answer
365 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 ...
0
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1answer
522 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 ...
2
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2answers
426 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
518 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
765 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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1answer
296 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 ...
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0answers
192 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 ...
1
vote
2answers
1k views

Replace XFCE4 with Cinnamon without Log-In Screen

I have a Google I/O Chrome Pixel that I've been playing around with Crouton. This is my frist real shot at Ubuntu and have made the upgrade from 12.04 -> 13.04. Using chroot I can run both Chrome OS ...