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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Having troubles accessing/uninstalling Dropbox

I've spent hours trying to get this to work. I just want to uninstall Dropbox so I can freshly install it again. Using the top answer on How do I uninstall Dropbox? , this is what shows up for me. ...
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13 views

Is there a way to fill the /boot file system of Trusty, apart from a new installation?

For the second time the install from DVD hanged stuck, while the status line was saying: "Loading boot loader." The system is then not booting (black screen), and after using chroot, grub-mkconfig ...
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258 views

chroot setup Keyring files not available hp armv7 chromebook

I am trying to install Crouton to a Chromebook. I have done it before and it worked perfectly. I had a issue and had to remove my chroot, now when I try to install sudo sh ~/Downloads/crouton -t ...
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1answer
32 views

Tweaking inside a chroot environment

It's me again. I am creating an Ubuntu-based distribution by remastering 14.04's ISO (not with remastersys or any similar tool). I have all of my programs set up, including my default desktop ...
3
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1answer
35 views

Help me on my Ubuntu-based distribution

I have everything set up for making my own Ubuntu-based distribution (custom desktop environment, wallpapers, themes, software, logos). Here's what I have done so far: I got a 14.04 ISO, ...
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1answer
29 views

I need a chroot user to now have ssh public key access

I have previously setup a chroot to lock sftp users to their home directory only. So I have this in sshd_config Match User theuser ChrootDirectory /home/theuser AllowTCPForwarding no ...
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0answers
55 views

startx not working

I am attempting to install Ubuntu on an ASUS T100. However, when I boot it manually from GRUB, it crashes into an intramfs shell. I am able to mount the filesystem from the intramfs ASH shell and ...
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1answer
49 views

cannot access ubuntu after restart chromebook [closed]

I downloaded Ubuntu on my Samsung Chromebook 2, and I really enjoy it! I shut down my Chromebook, and I tried the command Alt + Ctrl + Forward like I did before I shut it off, and It did not work. I ...
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1answer
80 views

How can I install node.js?

I have a chromebook with a Precise Ubuntu chroot on it. I can't figure out how to install the current node.js from the tarball, because ./install make sudo make install doesn't work.
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34 views

On a chroot Ubuntu system how can I install ws?

I have a chromebook with a Precise Ubuntu chroot on it. I try to install npm using sudo apt-get install npm and that works. However, when I try to install ws using npm install --save ws It ...
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1answer
97 views

Live-Build lb build “chroot: failed to run command ‘/usr/bin/env’: No such file or directory”

I have a problem with live build $ sudo lb build --interactive shell returns with chroot: failed to run command ‘/usr/bin/env’: No such file or directory does anyone know what is happening?
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1answer
77 views

debootstrap nested in the LXC container fails to mount proc because of apparmor

The command that is run inside an amd64 LXC container: debootstrap --arch armhf --foreign --variant=buildd --components=main,restricted,universe,multiverse vivid /var/lib/schroot/chroots/vivid-armhf ...
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1answer
45 views

How to confine WINE apps using a chroot jail?

I have read the SecuringWine page on WINE official website, and one of the things it says you can do to increase security is: One can run wine inside a chroot jail. So what exactly is a "chroot ...
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105 views

apt-get can't find Kodi package dependencies inside chroot

I am currently trying to figure out a way to install and run certain programs on Ubuntu Touch on my Nexus4 without running out of space on the 2G system partition. apt-get can't install to other ...
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36 views

Access to Files Outside the Home Directory Chroot - For every Users

I want to allow access to /var/www/dev/ to every user in my system (+50) via their home directory (so they can access via FTP with chroot_local_user=YES) For one particular user I can do: mkdir ...
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1answer
67 views

Set up persistent custom resolution

I'm using a chromebook Pixel 2, with a 2560x1700 (3:2) display. My goal is to use a smaller 3:2 resolution. For a while now, I've been using a few commands to reset the resolution on my Chroot of ...
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40 views

cant start unity/ubuntu

yesterday i installed ubuntu and was able to use it and log into it, today i cant use chronos@localhost to start it. i type sudo startunity but all it says is chronos@localhost / $ sudo startunity ...
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16 views

run mumble server in chroot?

I'm a Linux beginner and I want to run a mumble server (murmurd) in a chroot jail (Ubuntu 14.04). So far, I have created my jail folder ( /var/jails/murmurd ) and copied in all lib dependencies there ...
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40 views

Can't get internet working in Chroot environment (from Live USB)

I got a "kernel panic" error in my Ubuntu 14.04, thus I'm trying to update to newest kernel using Live Ubuntu USB. I am following this guide to chroot into broken Ubuntu from Live USB, but I cannot ...
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1answer
99 views

Trying to start CUPS service on a Chromebook running Ubuntu 14.04 via crouton

Some background: I'm trying to set up CUPS on my Chromebook running Ubuntu 14.04 via crouton. I've downloaded and installed the necessary files and I am trying to get the CUPS service running. I have ...
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20 views

How do I dual boot my phone to Ubuntu without bricking my phone? [duplicate]

I want to dual-boot my HTC M9 so I can run Ubuntu without rooting the handset. How can I do so safely?
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43 views

How to cleanup Ubuntu SDK chroots?

I have many chroots created by Ubuntu SDK, automatically mounted at boot: $ df -h Filesystem Size Used Avail Use% Mounted on udev 1,9G 0 1,9G 0% ...
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46 views

Installing smart card drivers from .tar file. Running chroot unity/precise (14.04) on chromebook

I have a problem with installing smart card drivers on chroot ubuntu 14.04. I am runnin asus chromebook. At first I used developer mode to install linux which I access with : sudo startunity I ...
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49 views

viewing access levels with ftp and sftp

Client Win7 running filezilla Server Ubuntu 14.04 LTS, running vsftpd I have successfully installed vsftpd on my Ubuntu machine and I can login via the command line (ftp localhost) and remotely via ...
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1answer
169 views

Problems creating click chroot for 14.10 [closed]

I'm running 15.04 - trying to create a click chroot for 14.10 armhf: works with 14.04, 15.04 but fails with 14.10. Is 14.10 removed? outpout as follows: rp@rp-XPS:~$ click framework list ...
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134 views

Failed to complete chroot setup on Toshiba Chromebook 2

I am receiving the following failure when attempting to install chroot on a Chromebook 2: Fetching CRAS (branch 1006126d3a9b1ebeecfc549be4ade745a5ff7bfc)... --2015-10-10 06:53:12-- ...
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21 views

apache2 server upstart problem after “/” patch permission change due to sftp chroot

I face some permission problem with my apache server in ubuntu 12.04 Server worked fine until I setup sftp with chroot folder. In order to be able chroot,I had to change owner of "/" to root and ...
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39 views

-Chroot- Ubuntu KDE Network Manageer

I'm running Ubuntu KDE through Crouton on the ChromeOS, and the network manager doesn't seem to show up (doesn't show up on XFCE either). I tried running it "Unknown Command". I tried reinstalling the ...
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46 views

Can I have more than 1 chroot directories?

According to the link: http://www.krizna.com/ubuntu/setup-ftp-server-on-ubuntu-14-04-vsftpd/. At the step number 8, he said "ChrootDirectory %h" for group "ftpaccess". My question is: Can we have ...
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1answer
645 views

Need help installing VirtualBox on ubuntu 12.04

I am running on chroot and the log file reads : Uninstalling modules from DKMS Attempting to install using DKMS Creating symlink /var/lib/dkms/vboxhost/5.0.2/source -> ...
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44 views

Chrubuntu struggles

So I had downloaded and got Linux unity on my acer CB3-111. All was working fine until I switched my unit back on and had this screen in my Terminal after my attempt to 'sudo startunity' like usual.. ...
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46 views

Wrong home dir in sftp

I set up an sftp server with openssh but when I connect to it I cannot browse my folder. The answer to pwd command is: / and to ls command is: remote readdir("/"): Permission denied [added after ...
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99 views

Can't find job mysql on crouton precise

I'm using Ubuntu precise as chroot in my chromebook machine. I'm trying to install mysql through apt-get install mysql-server. The thing is, when I try to start it, it can't find the job: ...
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154 views

Can't ftp into chrooted user through vsftpd (sftp only - which works through open-ssh) with home created in /chroot/home/user2

I have a Ubuntu 14.04 server running, with 2 users: user1 and user2. I have ssh working fine for both users using ssh-keys for both, ftp only works for user1. user1 is not chrooted. user2 is ...
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1answer
78 views

Problem upgrading a chroot for FAT Clients (ltsp, edubuntu, and 14.04)

I have an edubuntu server. After I got the fat client image built, I followed the instructions on https://help.ubuntu.com/community/UbuntuLTSP/ThinClientHowtoNAT so that the clients could have access ...
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48 views

ProFTPD - set a group manager to access all users files in the group tree

I am currently developing a client application with pyqt and ftplib to help backup/restore file to/from a ProFTPD server. The company is divided into many agencies and every agency is a ftp group with ...
0
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1answer
219 views

Can't open Ubuntu from Chromebook

I use Ubuntu XFCE4 and I just upgraded to 14.04. So I rebooted my computer like it asked and when I tried to boot into Ubuntu, it came up with the usual message about an error and that it closed ...
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1answer
114 views

bash: ${debian_chroot!-}: bad substitution

So I'm learning how to shell script and i got this error. Every thing I've read on the other posts makes it seem like a directory file path like most terminal commands have stashed away. My version of ...
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213 views

MythTV backend on a Synology

Is it possible to run a MythTV backend on a Synology NAS DS214+? My thoughts: if you use an external tuner (USB tuner, like Anysee or network tuner like the HD Homerun), processor power and memory is ...
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0answers
81 views

How do I generate a GRUB configuration file for another disk?

Assume I have two disks that both have Ubuntu installed on them. One is an internal drive and the other is an external drive (though this doesn't really matter). This procedure is running on the ...
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1answer
202 views

How to run apache2 in chroot jail setup

Ubuntu 14.04 I was trying to setup apache in chroot,but i can't found any related answer. I was googling over a week but i can't get my answers so some one please help me..... Thanks in ...
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0answers
25 views

How to confirm chroot install

Ubuntu 14.04 installed and I believe I've created my 32 bit chroot. How can I confirm it and what to do to launch? I was instructed to run this command: sudo chroot --userspec=jakman NEWROOT I'm ...
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1answer
1k views

Use apt-get in chroot directory

I am currently in need of using apt-get on a chroot directory. The setup is the following. I have a chroot setup with schroot. This chroot environment needs to be stripped down as much as possible. ...
0
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1answer
2k views

'/bin/bash': no such file or Directory

I have been following these instruction on how to create a live CD of my current ubuntu 14.04 installation. When i try to runsudo chroot ${WORK}/rootfs /bin/bash where WORK=/some/dir/that/REALLY/exist ...
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1answer
92 views

in sshd_config file sftp chroot shows sftp/%u?

Please help to get this configuration understandable # override default of no subsystems Subsystem sftp internal-sftp Match Group sftpusers ChrootDirectory /sftp/%u ForceCommand ...
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77 views

Can't boot into ubuntu

I have a lenovo n20p with Ubuntu installed , I was using linux just fine I managed to install wine, I then turned of my laptop and then back on and when I ran sudo startunity it didn't work. I got ...
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0answers
214 views

Multiple sftp users and access to a /var/www subdirectory

I have some users on my Ubuntu server with vsftpd installed. The server is used as web server and has a shared sftp directory that is accessed by public clients (by giving them the user and password). ...
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209 views

How to start lxde (lxsession) as a non-root user from ubuntu chroot on android phone?

I've built ubuntu-armhf on a partition on a memory card on moto g 4g phone, i can chroot to this and start lxde on an x-server app running on localhost:0 on the phone, this works fine as root, the ...
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103 views

`debootstrap` or `chroot` with `fakeroot[-ng]` instead of `sudo`: is it right or wrong?

Background I wanted to use debootsrap with fakeroot-ng. It started fine, but later on debootsrap stopped with an error and I had a dialogue box reporting tar crashed. However, as I had some ...
3
votes
1answer
168 views

Remove non-listed click target

I want to write an app for Ubuntu Touch and test it on my Aquaris BQ 4.5 Ubuntu Edition. I failed big time setting it up though and now ended up having no according click target: When I go to the ...