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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10 views

wipe ram Location file [on hold]

I have a problem trying to save a file. I get a "location not found" error. config/hooks/0020wipe-mem.chroot How do I fix this?
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26 views

Gnome on chromebook [on hold]

I'm on a acer Chromebook 11 that was running gnome, but since yesterday and today, when I go to crosh (ctrl alt + t ) and type the following command shell chronos@localhost / $ sudo startgnome It ...
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0answers
33 views

Restrict SSH remote access to users home directory chroot

I am hosting a server, now is there a customer who needs SSH access to his home dir. /home/csgorental1 i can give him access to SSH but then he is able to see certain files on the server i don't want ...
-1
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0answers
31 views

Chroot into /var/www/ for sftp-only users

The setup i want: Sftp-only user has his own folder in /var/www/ where he can upload his own files but can't look into folders of other users. The best way would be if he is directly in his own ...
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0answers
73 views

Problem with Virtual Box on Xubuntu running under Android

First of all, I'm aware of this question and this one, and I don't believe this is a duplicate. I've encountered that problem (and solved it using those answers) on two different laptops. This problem,...
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0answers
21 views

Alsa chroot java program doesn't find microphone

I made a chroot environment from an architecture i386. Now I installed ALSA on it (alsa-base, alsa-utils, asound2). I mounted the proc,sys and dev directory too. Then I tested my microphone with the ...
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0answers
33 views

Can I use i386 Ubuntu to install ARM software?

I have an Ubuntu machine, and I am trying to figure out how to modify a root filesystem that's eventually going to be on an embedded system running on an ARM processor. I have just a bare fs at the ...
0
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1answer
49 views

How to convert a iso9660 ISO to a USB ISO

I have an ISO of customized GCompris based on Ubuntu. It is intended to be burned on a CD (iso 9660 FS Type). When I try to burn it to a USB, the pendrive "becomes" a CD and it won't boot... The guy ...
3
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0answers
35 views

How to sandbox code in chroot for multiple users?

What am I trying to do? I'm writing a code evaluator using chroot and python and went to hackerrank for some inspiration. What I think is happening at Hackerrank? Hackerrank creates run-...
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3answers
286 views

Ubuntu on “HP Chromebook 13 G1” with 3200x1800. Does crouton or native install work fine? [closed]

I searched for a low priced MacBook Air alternative with retina resolution and found HP Chromebook 13 At 12.95mm/.51in, the amazingly thin and light HP Chromebook 13 provides professionals a ...
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1answer
35 views

How do I install missing manpages in a chroot running in Ubuntu Touch?

I am on the new Ubuntu tablet from bq, in a terminal, running in a chroot jail. I have installed man-db, manpages, manpages-dev, and even ubuntu-docs. But while man man works, or man gpp or other ...
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2answers
101 views

Cannot “sudo chroot” in ubuntu

In terminal when I try to sudo chroot . in home directory I get: chroot: failed to run command ‘/bin/bash’: No such file or directory When I try to sudo chroot . in external Sd card I get: ...
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14 views

how to load cinnamon setting via chroot

i want to remaster ubuntu 16.04 then i load my cinnamon setting from my pc then load it in chroot using this command dconf load /org/cinnamon/ < mysettings but i got this error error: Error ...
0
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1answer
123 views

Ubuntu-touch 15.10: Installing x11apps without breaking anything

So, I have a BQ M10 tablet and would love to install some x11 legacy apps. The two options I have come across are to do so using chroot or libertine containers. However on 15.10 it seems that it's ...
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0answers
36 views

Adding SSH to new user: Jailed (chrooted) SFTP user can authenticate, but is immediately exited [duplicate]

I'm having trouble creating a new user with some key permissions. I want this new user to do the following with "everything else" locked down: SSH tunnel to port 5432 (postgres) SFTP jailed to the ...
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0answers
93 views

Ubuntu 16.04 Wifi Driver mysteriously disappearing, again

I am running Ubuntu 16.04 with LXDE, LXQt, and Ubuntu desktop, with BOINC Enigma@Home actively running. My WiFi did not work when I first started the LiveUSB, and when I restarted the LiveUSB ...
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1answer
55 views

Error conection ssh after jail user of ssh-sftp

What I want to: I want to create a user to access to /var/www/laravel I create a user demo, I followed this tutorial https://support.rackspace.com/how-to/how-to-add-linux-user-with-document-root-...
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0answers
29 views

How do I add users to a user_list for vsftpd?

I am taking a unix server class, and have been tasked with setting up vsftpd with 5 added users. I seem to be having problems giving users access to the files on the ftp server after I set it up. ...
0
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1answer
95 views

Auto run GUI application on startup

I've set up an Ubuntu chroot on my NAS (a Synology DS214play) to run JDownloader 2. I've installed vnc4server and set it up to run on NAS startup and it works smoothly. I've installed LXDE which ...
0
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0answers
24 views

I powerwashed a Chromebook with Crouton installed. I still have my Chroot on a flashdrive. How do I load up the chroot again?

I have a Chomebook in Developer mode with Ubuntu on a chroot on a flash drive. Recently, I had to Powerwash my Chromebook because of an error which could not be resolved any other way. I still have my ...
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0answers
32 views

How (and is it a good idea) to open PDF documents in chroot?

I sometimes need to browse through lots of PDF documents, not always from trusted sources. I keep my software up-to-date (I'm running Ubuntu 16.04 at the time), but as we all know, PDFs are commonly ...
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0answers
26 views

GRUB not installed!

So I started installing ubuntu server on my MBR only usb through a cd. It was continuing nicely and as it started the process "Selecting and Installing Software". Soon My laptop immediately halted(...
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1answer
34 views

Connection abort when trying to log in to chroot jailed account via sftp

I'm trying to make a user kake_sftp that can log in to the web server located at /var/www/html or similar. I know chroot needs some additional subdirectiories for the permissions to work out, so I'm ...
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0answers
19 views

Chrooting users so they cant go out of their directory

I wanted to ask how I can make the chroot to work properly, I got Plesk 12 Web Pro installed, and its using psa-profptd, sure the plesk users themself, cant go outside their chroot directory, but when ...
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29 views

Upgrading to 14.0.4 LTS Chrooted Chromebook

I may be a little out of my depth here, but here it goes. In order to start learning some python coding I decided to start the process along by installing crouton on my Toshiba Chromebook 2 and ...
0
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1answer
24 views

boot from live dvd continue using usb

I've got a bit of a weird problem. I need to get a live version of ubuntu running but the bios hangs/crashes when a bootable usb drive is present in the usb (3.0) drive. I can boot using a linux live ...
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0answers
170 views

How to install video drivers in LTSP chroot?

We have an HP t520 thin client with AMD G-Series/Radeon R2E embedded graphics. The AMD proprietary video driver solves a problem that the Ubuntu open-source video driver has with display detection. ...
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0answers
110 views

how to run Ubuntu touch on android in chroot mode?

i known Linux on Android can run ubuntu desktop in chroot but can i run Ubuntu touch in chroot mode with or without linux on android?
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1answer
35 views

Live USB and Windows - Using Chroot

On Linux you can use the commands below on a Ubuntu live USB to get root access onto the hard drive. Does anyone know if this method works for a Windows hard drive? My guess is that it should, but I'...
5
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4answers
2k views

Does Chroot'ing onto a Ubuntu Machine Give You Root?

If you were to use a Ubuntu live USB, and do the commands below. Is this literally just giving you root access to the drive? sudo mount /dev/sda1 /mnt sudo chroot /mnt
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1answer
126 views

Getting a `Permission denied` error from mount when trying to chroot to Arch Linux

I'm trying to chroot to Arch Linux on my 64-bit Ubuntu box by following the instructions listed here. Here are the steps I've taken so far: $ curl -sSLo archlinux.tar.gz http://mirrors.abscission.net/...
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23 views

What's involved in making a x86 program run on android chroot ubuntu

I'd like to get libfreenect running on embedded 12.04 ubuntu, in an android chroot jail. I know enough about debian to navigate the file system and identify devices and compile other people's code and ...
0
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1answer
17 views

Trying to set up a chroot environment

I do the steps of this guide : http://linoxide.com/ubuntu-how-to/configure-chroot-environment-ubuntu-14-04/ And at Now, we're going to need to mount these filesystems within our guest: $ sudo ...
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0answers
122 views

How to set ulimit in Ubuntu 15.10 chroot?

I have an Ubuntu 15.10 in a chroot and would like to permanently set a ulimit value (ulimit -c unlimited). I have looked at modifying the /etc/security/limits.conf file but the changes are not being ...
0
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0answers
204 views

Auto-Mount SD-card formatted as ext4 on ubuntu touch

I try to use an MicroSD card containing a chroot environment which I can break, e.g. by installing software, without damaging the OS on my bq Aquaris E4.5 Ubuntu Edition, however I can not let the ...
0
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1answer
446 views

Ubuntu SDK cannot install armhf kit

I tried to use the Kit Autocreator in the Devices tab, but the click ends with the following error: Reading package lists... Building dependency tree... Reading state information... ...
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0answers
50 views

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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0answers
18 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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0answers
270 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 ...
1
vote
1answer
52 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
votes
1answer
37 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, ...
0
votes
1answer
129 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 ...
2
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0answers
146 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 ...
0
votes
1answer
121 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 ...
1
vote
1answer
188 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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0answers
63 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 ...
2
votes
1answer
364 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?
0
votes
1answer
237 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 ...
0
votes
1answer
161 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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0answers
226 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 ...