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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-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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0answers
50 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
1k 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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0answers
47 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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0answers
70 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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0answers
127 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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0answers
209 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
133 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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0answers
69 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 ...
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1answer
317 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
177 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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260 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
163 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 ...
1
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1answer
343 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
32 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
2k 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
3k 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
122 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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88 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
276 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). ...
0
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1answer
259 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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0answers
121 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 ...
4
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1answer
225 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 ...
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2answers
484 views

Ubuntu SDK - chroot errors creating a device kit

No problem in installing the Ubuntu SDK, but when I try to create a device kit this is what happens: ... ... Processing triggers for ca-certificates (20141019) ... Updating certificates in ...
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1answer
8k 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. ...
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0answers
136 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 ...
3
votes
1answer
599 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
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1answer
78 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
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1answer
1k 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
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1answer
493 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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1answer
124 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
743 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 ...
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1answer
150 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 ...
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2answers
624 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 ...
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1answer
83 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 ...
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2answers
880 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
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1answer
71 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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2answers
166 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?
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5answers
4k 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 ...
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3answers
348 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 ...
1
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1answer
60 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 ...
1
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0answers
72 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 ...
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1answer
2k 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
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1answer
733 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
1answer
218 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
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1answer
356 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
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1answer
3k 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 ...
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0answers
181 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
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0answers
77 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 ...
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2answers
898 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 ...