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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2
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1answer
64 views

Limit SFTP user access to specified directory

I have a Ubuntu 14.04 server installed with open ssh. I'd like to configure sftp for customers to be able to download files only. In other words, I put files in a directory that they are jailed to. ...
-1
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0answers
18 views

can i install mysql server and apache without starting them? [duplicate]

I am installing them in a chroot so I don't want to start them after installation. Thanks a lot.
0
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0answers
9 views

GLIBC version not found when compiling inside a chroot

I am trying to port the build from CentOS to a Ubuntu machine running trusty in 64 bits. Compiling under 64 bits trusty yield an issue with assembly code compilation, so I compiled using chroot of 32 ...
1
vote
0answers
35 views

OpenSSH chroot breaks ssh and ftp

I'm trying to set up a webserver with a restricted sftp connection. I've googled and followed several walkthoughs that all appear to be pretty much the same thing. Here are my steps: Fresh install ...
2
votes
1answer
52 views

removing chroot done by ubuntu touch sdk

How do I remove all the chroot the Ubuntu touch SDK has made? I can't find anything in the app. When I do a mount from a terminal, I get this : click-ubuntu-sdk-15.04-i386 on ...
2
votes
1answer
30 views

How do I install ChominumOS and run it as a seperate X Session?

I'm exploring different options on how to install ChromniumOS on my desktop (x86_64) PC which is currently running Ubuntu 14.10. I tried the following methods first: Duel Booting the two, but ...
1
vote
1answer
53 views

after chroot: apt-get update (Err and Failed to fetch - BootableFlashFromHarddiskInstall)

I'm following BootableFlashFromHarddiskInstall tutorial for making a live CD from my current Ubuntu installation. Ubuntu 14.04 on VirtualBox. I checked internet connection of virtual machine as ...
0
votes
1answer
59 views

KDE doesn't start up on Acer c720

My KDE is not starting after using the command sudo startkde I use it all the time and now is not working... Here is the output chronos@localhost / $ sudo startkde Entering ...
0
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0answers
42 views

Setting up basic chroot environment from a fedora ISO image in Ubuntu

From a tutorial in https://help.ubuntu.com/community/DebootstrapChroot at TLDR section i was able to set up a chroot environment for 32 bit Ubuntu ISO image under 64 bit Ubuntu. Now i neet to do the ...
0
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0answers
26 views

User doesn't get gksu dialog so apps just fail

I am using Ubuntu with Xfce on Android in a chroot (via Linux Deploy). When I try to run some software that requires admin/root access the GUI does not prompt me for the admin password like it does ...
0
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0answers
21 views

Create a really clean and safe chroot environment in ubuntu

I want to doing some experiment to a linux system. I read about chrooting and debootsrap, it's said that it's needed to do binding mount to proc and dev so the chroot environment will fully work ...
0
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1answer
80 views

Install ubuntu server edition into a chroot

Using a chroot with debootstrap you can install, for example, Ubuntu 14.04 with sudo debootstrap trusty /var/chroot/trusty http://archive.ubuntu.com/ubuntu This will, as I understand, install a ...
0
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0answers
56 views

Ubuntu on chromebook issue (updated ubuntu now facing problem with sudo startunity)

I updated my ubuntu on chromebook.Now I am unable to load it though crouton.As suggested in some posts I tried to update my crouton 'precise'.But still i am facing the same problem.When i use command ...
1
vote
2answers
116 views

14.10 apt-get unable to locate package libopenal-dev in chroot

I'm trying to develop Torque2D on a 32-bit chroot, as there's no 64-bit version as of yet, and it requires libopenal-dev, among other packages to compile properly. I've tried compiling it without it ...
0
votes
0answers
27 views

Is it possible to hot switch between several linux distributions?

I've installed crouton on my chromebook, and I was thinking that it should be possible to make the same thing with my ubuntu desktop. I do not want dual boot, or a virtual system, but several systems ...
1
vote
1answer
36 views

Ubuntu 14.10 won't boot after a drive sector was destroyed [closed]

Yesterday, when I was working with my Ubuntu 14.10 (x64) and wanted to save an attachment from an e-mail in Thunderbird, there was a dialog saying that the file could not be written to the /tmp ...
0
votes
2answers
257 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
1answer
36 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
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0answers
28 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
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0answers
31 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
46 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
458 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
179 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
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0answers
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
votes
0answers
202 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
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0answers
101 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
88 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
237 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 ...
1
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0answers
35 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
30 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
394 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
334 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
266 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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0answers
25 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
124 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
163 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
33 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
2k 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
115 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 ...
2
votes
0answers
35 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
193 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
88 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
135 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 ...
-1
votes
1answer
120 views

Jailkit freezing

I'm trying to jail ssh users on my Ubuntu 14.04 server. So after installing Jailkit version 2.17 (with the help of this tutorial) I'm now trying to follow this AskUbuntu answer to use Jailkit. After ...
2
votes
0answers
361 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
157 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
116 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
257 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
157 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
240 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.