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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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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78 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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154 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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1answer
206 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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261 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 ...
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3answers
3k 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 ...
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0answers
32 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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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?
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1answer
515 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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174 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$ ...
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437 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
311 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
385 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
377 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
409 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 ...
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0answers
617 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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0answers
214 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
146 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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2answers
939 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 ...
2
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1answer
232 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 ...
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3answers
3k 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 ...
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1answer
255 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 ...
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2answers
3k views

13.04 not leaving any efibootmgr entries

I made a clean install of 13.04 from a flash drive, but after a reboot the only uefi boot options I have are the basic efi shell entries and the flash drive again - there's simply no entry for 13.04. ...
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1answer
303 views

How to update a package in ubuntu-builder which requires system reboot?

I am trying to create a customized ubuntu live cd using ubuntu-builder. I was following this perticular answer: How to customize live Ubuntu CD? If I try to update a package which requires system ...
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2answers
9k views

Changing write permissions for jailed SFTP denies login

I have scouted over many websites and forums on how to setup an SFTP user that is jailed to a certain directory using CHROOT. Here are the steps I have followed but I can't seem to get write ...
6
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1answer
1k views

debootstrap failing to mount /proc

I have researched this, and none of the answers (so far) on here, nor googling seem to match my problem. Here is the situation: I am running Xubuntu 12.04 as a base install, and am trying to set up ...
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1answer
254 views

CD Based Usage of debootstrap?

I have installed 12.04 xubuntu alternative with whole disk encryption on a machine. I am attempting to set up a schroot usage of backbox 3.01 (an ubuntu 12.04 derivative from what I can tell) under ...
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2answers
282 views

Peculiar permissions/group trouble [closed]

I've tried creating a separate user account for rtorrent and sickbeard (a torrent downloader) so everything isn't running as root but I've bitten off more than I can chew. I've chmodded 2770 (setgid, ...
2
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0answers
163 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 ...
1
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1answer
1k views

How to setup SFTP with Chrooted for Groups

After many trials and errors trying to setup a working sftp server for multiple groups with chrooted directory I decided to share what finally worked for me. I am a novice 2 months into Ubuntu so ...
1
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1answer
218 views

64bit chroot on 64bit host

The host is a Ubuntu 12.04 64-bit installation. I'm using schroot to run chroots for several different Linux systems, such as Ubuntu 10.04 i386. The files for the chroots stem from working ...
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0answers
537 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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1answer
416 views

vsftpd chroot opps on ubuntu 12.04

I'm unfamiliar with deb based systems, so my apologies if the solution is simple. I'm trying to setup vsftpd to jail users to their home directories. I get the 500 OOPS: vsftpd: refusing to run with ...
1
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0answers
90 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 ...
2
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1answer
775 views

Can't chroot to recover Ubuntu 64 bits

I was trying to get steam for linux to work on my Ubuntu 10.04 LTS 64 bits system. I installed these three (some 32 bit) packages: http://packages.ubuntu.com/quantal/libc-bin ...
1
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1answer
124 views

Compile AMD athlon-xp 32 bit kernel in intel 64 bit machine

Can someone tell me how to compile linux 3.7 kernel for amd athlon-xp in a 64 bit intel environment through chroot? I tried setting up a chroot environment but compilation gives me error. Thanks to ...
0
votes
1answer
258 views

How can I change folder permissions in a luks encrypted partition

I have a folder in a luks encrypted partition /media/user/luks-partition/folder on Ubuntu 12.10. I am not able to change folder's permissions. I tried using the nautilus gui and chroot both as ...
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43 views

Is there a good ssh jail solution for Ubuntu 12…? [duplicate]

Is there a good how-to/tutorial on setting up a chrooted ssh environment on Ubuntu 12.04LTS. I'm NOT interested in chrooted sftp which is easy to implement. It's jailing users in their home ...
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0answers
36 views

Can anyone recommend a good chroot ssh tutorial/ how to for Ubuntu 12.04 LTS [duplicate]

Possible Duplicate: Simplest & Easy Way To Jail Users I'm looking for a good how-to/tutorial on setting up a chrooted ssh environment on Ubuntu 12.04LTS. I'm NOT interested in chrooted ...
1
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1answer
1k views

Using Chroot with a Java application

I'm working on designing a group of Java programs that I hope to turn into a Java-based OS someday. Until I get a kernel working, I want to just run them on top of Ubuntu. Because of this, I need all ...
0
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92 views

Chroot java application

I would like to chroot Subsonic on my Ubuntu Server. All the Ubuntu doc talks about Chroot another version of Linux or SSH... How can I install chroot jail for a java application ?
0
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1answer
180 views

How do I move the mount point of a drive

I have /dev/sda2 mounted as /mnt. I am actually running my system from a volume mounted at /mnt/install (I've chrooted to /mnt/install). I'd like to be able to use that disk from within my chrooted ...
0
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2answers
9k views

vsftpd - restrict users to home directory

Setup vsftpd easily If I run this config: listen=YES anonymous_enable=NO local_enable=YES write_enable=NO dirmessage_enable=YES use_localtime=YES xferlog_enable=YES connect_from_port_20=YES ...
3
votes
2answers
1k views

Video driver under lxc container?

Since LXC (Linux Containers) is a kernel level super-chroot, I've been wondering what sort of video driver the containers have: My host is Ubuntu 12.04 64-bit machine with ATI gpu. Will the LXC ...
0
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0answers
224 views

ltsp: fat client with motion -> dropbox upload

I would like to install motion on my ltsp fat clients, which actually works well. What I don't know is how to upload the created files via dropbox. Can someone point me in the right direction? I ...
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2answers
967 views

How to add user to separate filesystem (Armel)

I'm trying to work out how to add a user to a separate filesystem, as described here, specifically point 5: Add a local user and password for the user, then add the user to the adm and sudo groups. ...
1
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0answers
556 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: ...
3
votes
1answer
306 views

Need to write a script that will jailkit a user and give them access to a particular website directory

I have a ubuntu 12.04 app server hosting a few websites. We need to give access to the developer to only be able upload files to one of the websites. I have installed Jailkit but can't seem to find ...
1
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2answers
839 views

Is chroot the right choice for my use case?

Backstory: I am working on setting up a MineCraft server and want to allow admins to have ssh access to the MineCraft server console and appropriate mc server files, but not the whole system. The ...