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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24 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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0answers
5 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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19 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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0answers
19 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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24 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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35 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
17 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
52 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
36 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
16 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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24 views

chroot to repair grub gives corrupted shared libraries

I'm currently trying to repair a system that's stuck at the grub rescue> prompt. It seems like grub needs to be reinstalled, so I'm following some prior threads to get there. Trying to chroot into ...
0
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1answer
108 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
140 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
votes
1answer
29 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 ...
0
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1answer
100 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 ...
1
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1answer
56 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
125 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
61 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
80 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 ...
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0answers
143 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 ...
0
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1answer
16 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
43 views

What is required to enable outbound connections from a chroot jail?

I have Apache2 running in a chroot jail, using the Apache config option 'ChrootDir /chroot', The OS is Ubuntu Pangolin 12.04. The jail ('chroot' dir) is manually built, with a minimal set of files, ...
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0answers
64 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
45 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
67 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
100 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
146 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
170 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 ...
6
votes
3answers
1k 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
30 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
21 views

How to reset chroot

I've been using chroot to do some testing . But after i'm done i want a fast way to simply reset the chroot so i can reuse it again without recreating it from scratch .
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0answers
2k views

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

I have tried: ufw and selinux is shutdown sudo chmod 755 ftp allow_writeable_chroot=YES How to solve the problem?
1
vote
1answer
280 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 ...
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0answers
128 views

rssh with chroot

(I changed the IP address and port to protect the innocent.) On the server, my /etc/passwd entry, /etc/rssh.conf, and the file I'm trying to access look like this: lawsa@bukavu:/mnt/share/Public$ ...
2
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0answers
343 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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0answers
214 views

SFTP chroot jail closes session after authentication

I'm trying to chroot an SFTP user to his home directory, but whenever I log in (using PuTTY), the SSH client closes. This is what the auth.log says: Aug 6 07:53:22 ip-xxx sshd[2733]: ...
0
votes
1answer
264 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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0answers
401 views

make command not found on chroot environment

i am trying to run arm image on PC through SD-card with chroot environment i had installed make utility and build_essential by sudo apt-get install build_essential sudo apt-get install ...
0
votes
1answer
273 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
votes
2answers
301 views

how to install program from chroot

I am using Lubuntu 13.04. How can I install the programs from a Live CD from chroot. thanks in advance.
0
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0answers
103 views

Chrooted sftp-guest AND “normal” sftp login

I successfully managed to create a guest-sftp-account on a friends raspbian. I have a folder shared, which is the new root for the user sftpguest. Here he only has read-rights. Inside this folder, ...
2
votes
1answer
323 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
votes
0answers
268 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 ...
1
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0answers
163 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 ...
1
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0answers
126 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
0answers
588 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 ...
0
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0answers
18 views

Where can i get a complete list of pakages in ubuntu desktop live cd [duplicate]

I want to purge unnecessary packages from .iso file of ubuntu, so i am looking for a complete list of programs included in default installation. I tried dpkg-query -W ...
2
votes
1answer
180 views

How to replace /lib/modules in chroot?

I have mounted my system where my modules were accidentally deleted, ALL of them, all of the OLD ones, and the most recent ones 3.2.41. I have mounted my system and I'm chroot and I don't know what to ...
0
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3answers
2k views

Error executing sudo in chroot environmet

I am facing a strange problem while using a chroot'd 12.04 Ubuntu. When I try to run anything with sudo I get the following error: sudo: effective uid is not 0, is sudo installed setuid root? If I ...
0
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1answer
198 views

Match directive breaks SSH

On my Ubunut server 12.04 LTS machine, I try to add a user with only sFTP or FTP access. Let's call him 'Jim' for now. Jim only needs access to a directory /var/www/example.com. So far I've tried ...