Ubuntu is a Linux distribution with an emphasis on ease of use and installation. Note that http://askubuntu.com is specifically dedicated to Ubuntu questions.

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mount: warning: /etc/mtab is not writable (e.g. read-only filesystem)

Working on my system I noted that the root filesystem is mounted read-only. My system worked for months, today I get this error: mount: warning: /etc/mtab is not writable (e.g. read-only filesystem). ...
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1answer
44 views

What will happen if I export my $HOME variable upon login?

This is a follow up from this question: http://askubuntu.com/questions/563828/how-to-change-my-home-directory?noredirect=1#comment775654_563828 The summary is: running ubuntu 14.04 ssh'ing into it ...
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0answers
16 views

How does one set up a Linode with a certain number of inodes?

Normally when one creates a Linode, they choose a plan, and then deploy a Linux distribution, and choose how much of the disk to allocate. Normally there is a swap partition and a main partition. But ...
3
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1answer
21 views

xmodmap keybindings don't work

I am trying to use Xmodmap to add some german diareses/umlauts to my keyboard, but Xmodmap is not working with them (but is with other remappings). I am following this guide: German Umlauts on US ...
4
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1answer
101 views

Untar a specifc folder within tar.gz

How do I untar/uncompress a specific folder within a tar.gz using the terminal/commandline (Ubuntu 14.04 (Trusty Tahr))? Precise: -file.tar.gz -- folder1 -- folder2 How to extract... ... ...
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0answers
24 views

Using NVIDIA instead of Intel causes a different theme

My current setup is a laptop with an NVIDIA Optimus graphics card running Ubuntu 14.10 with Cinnamon as my desktop environment. I usually use the Intel card because of the reason I'm asking this ...
2
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1answer
52 views

sudo - ubuntu 12.04 [on hold]

I am running a Ubuntu 12.04 LTS server. Today I have been doing some maintenance to the server, and a security audit. I realized that sudo is not working the way I expected it to. In the default ...
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0answers
43 views

Working of cd command issues [on hold]

When I do cd ~/Desktop, it takes me to the Desktop. Then doing ls -a shows the hidden files . and ... Then doing cd . takes me to Desktop, but doing ls -a does not show directories . and ... Even if ...
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2answers
31 views

Can Process id and session id of a daemon differ?

As far as I understood from different articles and here , a daemon has the following features: Parent Process ID should be 1. No terminal should be associated with the process. The process id, ...
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1answer
43 views

tar & gzip the same folder but get different size [on hold]

There are two identical folders on two external hard disks. Two hard disks are brand new with the same format I tried du -s to check the size of both folders. The sizes are the same. The archives ...
0
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1answer
14 views

Installing Restund on AWS EC2 Ubuntu

I have successfully installed Restund on a Vagrant Machine running Ubuntu. But when I tried to install it on AWS EC2 Instance running Ubuntu, I get an error when starting Restund. Error Message: tls ...
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0answers
31 views

.sh script (expect) to scp a folder via proxy [on hold]

I want to make a .sh script to upload an entire folder to a server via ssh (with a proxy in between). I was thinking on using something like expect. But I couldn't even copy the files yet. The info ...
1
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1answer
5 views

Compiling a kernel for Gentoo with my module list from Xubuntu

A while ago, I started installing Gentoo on my Xubuntu box, using a chroot from Xubuntu, following these guides: https://wiki.gentoo.org/wiki/Handbook:AMD64 ...
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0answers
18 views

Can't open Natron on Ubuntu?

I have tried to install and use Natron Softaware for Ubuntu, but when it finished install, it didn't open and show a message Missing OpenGL requirements Please, see the pic How can I fix it?
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0answers
26 views

Issue running Python script via cron inside Docker

I have an official Ubuntu 14.04.1 container running via Docker. cron is working fine, I added * * * * * /bin/echo "working" >> /test to my crontab using crontab -e and then I started cron with ...
0
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1answer
9 views

sudo rule with placeholder

i want to allow the use of /usr/sbin/ufw for a special user. But only for a given command: in my /etc/sudoers file i have now (for blocking IPv4 addresses): blockuser ALL=NOPASSWD: /usr/sbin/ufw ...
1
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1answer
13 views

creating a custom service on ubuntu

I am setting up an ap called scumblr (https://github.com/Netflix/Scumblr/wiki) The final step calls for initiating the server using the following 3 commands: redis-server & ...
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0answers
57 views

(Super)user issues in handling services

Headless Ubuntu server 14.04. I have installed dropbox (as outlined here http://ubuntuserverguide.com/2012/06/how-to-install-and-configure-dropbox-on-ubuntu-server-12-04.html) and have added the ...
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1answer
15 views

Default settings for Inkscape ?

I want to take default settings for Inkcape in my Ubuntu 14.04 but I can't change by default setting. I already remove Inkscape, and re-install, but the configurations keep the same. How can I ...
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0answers
28 views

Cannot mount external hard drive after using Clonezilla

Linux Mint 17 Qiana 64-bit. Cinnamon. Yesterday I tried to back up my internal (where Linux resides) hard drive's image to my external USB hard drive using Clonezilla. Last month this operation went ...
0
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1answer
10 views

Permissions when creating a simple Python package for pip

I'm trying to package a simple app I wrote, so that it can be installed on a system using python setup.py install and (later) using pip install awesomeapp. The app consists of two files in the same ...
2
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1answer
27 views

parse error in /var/lib/dpkg/status: `Depends' field, invalid package name `python:any'

How can I fix the following error? sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following ...
2
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3answers
66 views

What is the fastest way to create a list of directories specified in a file?

I have a text file, "foo.txt", that specifies a directory in each line: data/bar/foo data/bar/foo/chum data/bar/chum/foo ... There could be millions of directories and subdirectories What is the ...
1
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1answer
140 views

Read-only file system error while accessing the files on Ubuntu

I have a Ubuntu machine. I am connected to it remotely and getting the following errer: mkdir: cannot create directory `/testFolder': Read-only file system LIKE WINDOWS, REBOOTING the machine ...
0
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1answer
86 views

Start script on boot up?

I want to run a script when the system starts. The script is: #!/bin/bash gnome-terminal --tab -t "MyPC" -e "sh -c 'nohup firefox & nohup gedit & bash'" --tab -t "MYPC2" -e "sh -c 'ls -al;ls; ...
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0answers
9 views

Dvd drive disappears after Linux install [closed]

I'm trying to install Zorin 9 Ultimate 64 bit linux,(based on Ubuntu), to dual boot my Lenovo Ideapad Y710 laptop with Windows 7 64 bit. Once Zorin is installed and I'm able to access each operating ...
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3answers
49 views

What happens if a person tries to log in with the same user account as someone who has already logged in?

I am currently logged into a remove server using a particular user account. I kicked off a really long script, and have no idea when it will finish. It is blocking me from using the terminal that I ...
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0answers
44 views

How can I resolve the initramfs issue during installation of Ubuntu 14.10 with an ISO file?

My system specs are: HP Probook 4445s, Windows 7 SP1, 64-bit, 4GB RAM, AMD A8-4500 APU I want to have both Windows 7 and Ubuntu on my laptop. I am installing Ubuntu 14.10 from an ISO file. I would ...
0
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1answer
68 views

Mouse and keyboard not working in Ubuntu 14.04

I updated my Ubuntu Linux to 14.04 and now the mouse and keyboard don't work in the login screen. I tried re-installing grub from a Live USB, but it's still not working. I would really appreciate your ...
0
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1answer
41 views

Ubuntu 14.10 init scripts: where to find shell function “clean_all”?

I just installed Ubuntu 14.10 . One of the things that I prefer in my desktop is to not clear out /tmp . I'm trying to do the same in 14.10: to prevent the /tmp from being cleared at boot. In one of ...
2
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1answer
20 views

Unable to change ulimit setting

I edited /etc/security/limits.conf to have root hard nofile 20000 root soft nofile 10000 And added session required pam_limits.so to /etc/pam.d/common-session and ...
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0answers
10 views

Linux Mint will not allow traffic from one specific PC on LAN

I was editing /etc/network/interfaces, and then decided to change my settings over VNC instead. This halted my SSH session and also my VNC. I'm not sure if this locked me out or not, but I set cron up ...
0
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1answer
45 views

How can I modify client SSH settings?

I am logged in a system as student. How can I modify client SSH settings so that when I write the following command ssh 123.4.5.67 , SSH client authentificates me as another user?
0
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1answer
32 views

What is the most suitable linux distribution for my Asus x550ld [closed]

Recently I installed ubuntu 14.10 on my pc in dual boot with windows 7 but neither the touchpad nor the network connection is working. Moreover I has problems when booting windows : windows partition ...
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0answers
16 views

Unable to access bugzilla url

Actually I installed bugzilla in one vm. It is using mod_perl and Email configured. Everything working fine. In browser i access the url http://MY_server_IP/bugzilla working fine. In another vm, I ...
0
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1answer
36 views

Change Owner From “root” in VMware's Shared Folder

I'm running a Xubuntu from a Windows 8 host. I can't change the owner of shared files from xubuntu by any sudo chown ... command. Is there any other way I can change the owner from the root to the ...
1
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0answers
66 views

How to setup unprivileged LXC container without reboot?

I am writing some bootstrapping scripts, and I can't get usermode LXC containers working on vanilla Ubuntu 14.04 headless without a reboot. Here is what i do. First, I download and install Ubuntu ...
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0answers
26 views

Linux user in group can't cd into directory with executable permission

(Ok, originally asked this on StackOverflow, got it downvoted with a suggestion to post on SuperUser, where I got a hint (but no luck) with using FUSE to mount media. As serverfault seems to have the ...
0
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1answer
24 views

How to monitor bunch of machines for CPU usage from another machine?

I have couple of machines as shown below which are running Ubuntu 12.04 and I need to find out the process name along with its pid whose CPU usage is greater than 70%. Below are the machines as an ...
0
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1answer
10 views

Dpkg env variable DPKG_HOOK_ACTION is not set in hook script

According to man dpkg I can use DPKG_HOOK_ACTION to get the current dpkg action being run in my dpkg hook script --pre-invoke=command --post-invoke=command Set an invoke hook command to be run ...
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0answers
11 views

Error to install svn on ubuntu 14.04

I tried to install SVN on ubuntu 14.04 and got the following error: $ sudo apt-get install subversion apache2 libapache2-svn apache2-utils * udev requires hotplug support, not started ... fail! E: ...
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0answers
13 views

Can't find where __put_user_1 is defined [migrated]

I have been going through the linux kernel module programming guide, and I decided to find out how put_user(*(msg_Ptr), buffer) works. After all macro expansion is done, it appears that this inline ...
0
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0answers
26 views

x2go unable to locate package x2goserver

I'm trying to install x2go on my test server following this: http://wiki.x2go.org/doku.php/doc:installation:x2goserver (ubuntu) The repo seems to add fine and gives details on how to use it and what ...
2
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2answers
25 views

Are RAID formats compatible across distributions?

I'm planning a NAS/home media server build, probably with a HP Proliant Microserver. It will probably have two HDDs in RAID 1, while the OS while run from a USB drive. Question is: once I've set up ...
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0answers
13 views

Sound not working in my Ubuntu desktop after the sudden power cut

i googled in many articles but does't fix this problem i tried this but does't help me sudo apt-get remove --purge alsa-base pulseaudio sudo apt-get install alsa-base ...
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0answers
46 views

ssh: connect to host 104.131.76.121 port 10222: Connection refused

I have been trying to solve this problem for quite some time. The error is in the title. The server is a digitalocean ubuntu 14.04. It was working before hand. I changed the ServerAliveInterval on ...
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0answers
10 views

Can't locate Cairo.pm in @INC

I am running prinseq for trimming my data but got this error: Can't locate Cairo.pm in @INC (@INC contains: /home/A/software/vcftools_0.1.11/perl How do I install this?
1
vote
1answer
21 views

Cannot find -lgcc

I'm trying to compile my next basic c program after hello-world. This contains two supporting modules. I have Ubuntu running in a VM through VirtualBox on a mac. Everything is up to date but I ...
0
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0answers
31 views

deleting admin directory after deleting an admin user

I am creating Admin accounts using this command, sudo useradd *new-admin-username* -s /bin/bash -g sudo -m It creates the admin's directory in the /home/.. Moreover, since these are admin, I can ...
0
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0answers
21 views

aterm or gnome-terminal window unresponsive to keyboard events

I try to investigate a problem: Depending on the way I launch aterm or gnome-terminal, the window may or may not be responsive to keyboard events. The cause of the problem may reside in Aterm, ...