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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4
votes
1answer
2k views

Keyboard layout changed. How and why?

Yesterday, I upgraded my kernel (to 3.5.0-19-generic), rebooted, and had to reinstall my video drivers to get full resolution. (After upgrading the kernel, the resolution always goes to 640x480, until ...
0
votes
2answers
13 views

How to lists all users who logged in on a specific day using grep and last

Hey I'm new to Linux and I'm using Ubuntu right now. However I need to answer this question: Write a command or sequence of commands that lists all users who logged in on a monday by using last and ...
0
votes
0answers
1 view

Disable ubuntu unity launcher & panels when using vmware full screen

When I put a vmware workstation in fullscreen mode, I am unable to click on things on the left edge of the virtual machine because Ubuntu captures the clicks and opens up the corresponding application ...
-2
votes
0answers
19 views

Differences between Ubuntu LTS and Debian Stable (Gnome Shell)? [on hold]

What are the major differences among this two Linuxes? I'm thinking about switching to Debian (mainly because of my dislike of spyware (amazon) and the company behind Ubuntu Canonical). And is there ...
0
votes
0answers
16 views
+50

Setting up OpenSSH to use rhosts?

I rent a couple of VPSs running latest Ubuntu, both with OpenSSH. I'd like to try password-less login using .rhosts/.shosts. I know this is not recommended, and that it's better to use public-key ...
3
votes
4answers
1k views
1
vote
1answer
30 views

How to install/setup mutt with Gmail on CentOS and Ubuntu?

How to use the email client Mutt to send, receive and read email under CentOS and Ubuntu using a Gmail account as a relay
0
votes
0answers
15 views

Permission denied (publickey,gssapi-keyex,gssapi-with-mic)

Ok, so I have tried this quite a few times and I'm sure this is very trivial but: I am trying to SSH via command line on Ubuntu into my VM (Centos6) with an RSA key-pair I created using key-gen. I ...
0
votes
1answer
18 views

Why does installing Ubuntu 14.04.1 LTS server give me 14.04.3

I need to install Ubuntu 14.04.1 on some systems for consistency reasons. I made sure to get an iso called ubuntu-14.04.1-server-amd64.iso, yet lsb_release reports: ubuntu:~$ lsb_release -a No ...
-2
votes
0answers
19 views

I get an error testing my new system call on Ubuntu Server 12.04 [on hold]

As title said, i get an error when i try to create a new System Call. The error i get it when i try to test the new system call with a "C" code. After execute the C code i get the following message ...
1
vote
1answer
15 views

where are located haskell-platform-doc documentation?

My OS is Ubuntu 14.04. I have done: sudo apt-get install haskell-platform-doc But I cannot find the corresponding documentation files. Where could I find them ? Or is there a command to launch so as ...
0
votes
1answer
25 views

Unable to start gedit from terminal

I use remote desktop connection & XRDP to remote to my Ubuntu 14.04 VM which is running Xfce. I can start any program from the Application Menu (diffuse, meld, gedit) but when I try to run those ...
0
votes
1answer
21 views

Queue up multiple videos from Bash Script

-Skip to bold to skip the fluff - I'm new to ubuntu, so still learning the ropes of how bash scripting goes. I've got this code I've been working on, which works great. (side question - can I ...
-1
votes
0answers
15 views

Unable to find a medium containing a live file system [on hold]

how do i resolve such error in the installation of Ubuntu 12.04: unable to find a medium containing a live file system
2
votes
0answers
23 views

Random pieces of ancient hardware not working together (Mac G5, Sun network adapter)

This is probably some kind of weird esoteric hardware combination but it's not why I did it. It's just what I had lying around. I have a 2x 2ghz Mac G5 and I can't really bring myself to part with it ...
0
votes
0answers
7 views

vpn is disabled when connecting through gnome-ppp

I am connecting my reliance modem through 'gnome-ppp'.As it connected to internet successfully, i could not connect to my saved VPN. The VPN(all saved connections) connection is disabled. Please help ...
0
votes
1answer
27 views

Getting 403 forbidden error in sudo apt-get update

I want to upgrade version 13.10 to 14.04. This is output that I get: W: Failed to fetch http://old-releases.ubuntu.com/ubuntu/dists/saucy-security/universe/binary-i386/Packages 403 Forbidden W: ...
1
vote
2answers
399 views

nginx logrotate error on cron job

I'm running Ubuntu 14.04 LTS and nginx on a Digital Ocean VPS and occasionally receive these emails about a failed cron job: Subject Cron test -x /usr/sbin/anacron || ( cd / && run-parts ...
1
vote
1answer
63 views

Pulseaudio with external sound adapter: work around broken sound

I'm using an external USB sound adapter on a laptop that has an internal sound card. There are some issues: The applications by default continue to use internal sound card. I can work around this ...
0
votes
1answer
23 views

Keyboard glitch Ubuntu 15.04

Have been cleaning my laptop keyboard and now on a single button press multiple symbols are inputed. For example r => 65RGFVT + turns on CapsLock o => 9ol.p ... Has anyone else experienced ...
0
votes
1answer
26 views

Why won't my change to the sshd_config file persist? [duplicate]

I am writing a script to modify settings on my Ubuntu server. I have the following line in it: sudo sed 's/PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config The problem ...
7
votes
2answers
819 views

emacs does not see my fonts in gentoo

I copied my ~/.emacs file from ubuntu linux; I've installed Consolas font (and it works in gnome terminal, and as a default Monospace font); but Emacs does not see it (custom-set-faces '(default ((t ...
0
votes
0answers
11 views

Installing Infiniband on Ubuntu 12.04 (still need to downgrade kernel )?

We plan to install HPC cluster on Ubuntu 12.04 ( and this version cannot be changed for various reasons ). I've read this manual: http://techs.enovance.com/6285/a-quick-tour-of-infiniband And now I'm ...
3
votes
1answer
2k views

Need to auto-login after logout on ubuntu

I've set up a kiosk using Ubuntu 12.04, and I'd like to have it autologin after a user logs out or if the screen locks, in case someone manages to get back to lightdm or tries to login to the ...
1
vote
0answers
9 views

How to determine what event is disabling Sticky Keys?

I have an ongoing problem with Kubuntu 14.10, when using the computer I find that Sticky Keys is suddenly disabled. I reenable the feature, but in after some time (measured as three minutes to days) ...
7
votes
4answers
15k views

org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed] while running eclipse on ubuntu

I was trying to open eclipse in my ubuntu VM with the below commmand.. And as soon as I do that, I always get the below exception - ubuntu@username-dyn-vm1-48493:~$ eclipse Eclipse: An error has ...
1
vote
1answer
36 views

What is the default password on ubuntu for users created with useradd?

In order to install a service on Ubuntu 14.04 like "openemm" I have created a user name and group: sudo sudo useradd openemm -m -G openemm -d /home/openemm Now I want to login with that username ...
4
votes
2answers
283 views

Is it safe to manually perform 'apt-get update' 's operation?

I am trying to keep one my Ubuntu systems up-to-date. The intended target is Not Connected to the internet. Am trying to get all the needed info from another machine with internet access. After a bit ...
2
votes
3answers
33 views

Different 'time's called in similar environments in bash

I was told that people using bash will have to differentiate between the shell-builtin time and /usr/bin/time ( time(1) ). I had to time a program and also had to find ways to automate input, using ...
0
votes
1answer
898 views

dota 2 graphics problem in ubuntu 14.04

i installed ubuntu 14.04 in my laptop. then i installed steam and finally dota 2. but the graphics are very bad. i have amd raedon 7400 in my laptop. it seems like dota 2 is not running through my ...
2
votes
2answers
44 views

Udev hwdb rule does not work

I am switching from Ubuntu to Arch Linux and encountering the issue that a udev hwdb rule that has worked until now does not work anymore. The only obvious difference between the systems is that ...
0
votes
1answer
16 views

Failed to disable shorcut on ubuntu14.04 and debian8

I used: gsettings set org.gnome.desktop.wm.keybindings switch-applications "[]" gsettings set org.gnome.desktop.wm.keybindings close "[]" to disable Alt+Tab and to disable Alt+F4 respectively. In ...
4
votes
3answers
14k views

Restrict FTP user to a directory

Sorry if this is an obvious question, but I don't have a lot of knowledge about this sort of thing, and I've googled for hours, nothing worked. So on a Ubuntu 11.04 server, I want to restrict a user ...
0
votes
0answers
29 views

Can't show the content of /sdcard of my Android phone from sftp in Ubuntu's Nautilus or FileZilla

I set up a ssh server on Android using SSH Server by Ice Code App. Settings of ssh server: http://i.stack.imgur.com/ZlbzJ.jpg http://i.stack.imgur.com/b1X4i.jpg ...
6
votes
6answers
35k views

How to transfer files from Windows to Ubuntu on Virtualbox?

How should I transfer files from Windows to Ubuntu installed on Virtualbox? When I plugged in a USB, it only pops up in Windows. How can I see it in Ubuntu?
4
votes
1answer
1k views

Powertop doesn't display Power est. column

When I run powertop, it doesn't display the "Power Est." column that shows the estimated power consumption in Watts of each row. It should look like in the screen capture here: MacBook Pro Retina: ...
0
votes
2answers
32 views

Is Ubuntu Gnome lighter than original Ubuntu flavor? [on hold]

I'm trying to install linux dual boot on my mac. I'm am looking for something light, and I noticed the original Ubuntu flavor has a lot of add-ons. So my question is, is Ubuntu Gnome lighter?
1
vote
1answer
51 views

Ethernet Connection not working on Ubuntu 14.04 (with Windows 10 dual boot)

I've dual booted Windows 10 (first) with Ubuntu 14.04. The ethernet works fine when logged into Windows, but when I log into Ubuntu, The Connection Icon (right on the top tray) shows the wireless ...
1
vote
1answer
297 views

Getting logged out of user account upon execution of a program

On my friend's computer when Skype is launched either via terminal or GUI the current user is forced to log out of the system. Purging and reinstalling Skype did not work and we are using the same ...
1
vote
0answers
7 views

Encrypted boot drops to shell, how to set LVM crypttab consistently? 'ALERT! {logical volume path} does not exist'

I used Luks to encrypt my whole hard drive, and created that sda drive as a physical volume. Under that volume, I create a volume group vg00 with my 3 logical volumes lv00_root, lv01_home, and ...
0
votes
1answer
1k views

Enable wifi monitor mode on Samsung Chromebook

I want to buy the Samsung Chromebook and use it with Ubuntu (12.10). I also want to play around with airmon-ng and thus want to use the wifi card in monitor mode. I didn't find any information if ...
4
votes
1answer
1k views

Fedora 18 guest in VirtualBox 4.2: How to assign static IPv4 address to guest regardless of active ethernet interface on host

I have a Ubuntu 13.04 host running VirtualBox 4.2.12. This host has both a wired and a wireless network interface, but only one of which would usually be active at any given time. For example, at home ...
1
vote
0answers
11 views

Suspending fails when a USB mouse is connected

When I try to suspend my Ubuntu 14.04 (with KDE environment) using sudo pm-suspend it fails unless I disconnect USB devices, e.g. USB mice and flash drives. Is there a way to solve this problem? ...
0
votes
2answers
2k views

Unable to connect INTEX 3.5G (aka 普创E003) Wireless USB modem in Ubuntu 12.04 LTS

Can anyone help me out on connecting INTEX 3.5G 7.2 Mbps (aka 普创E003) Wireless USB modem in Ubuntu? Initially it is recognized as a storage device and the modprobe cmd does not create any impact on ...
2
votes
1answer
589 views

Granting SAMBA rights and privileges requires root password

Given a default Ubuntu installation, I get the following myusername@EARTH:~$ sudo bash root@EARTH:~# net rpc rights grant myusername SePrintOperatorPrivilege Enter root's password: Failed to grant ...
3
votes
1answer
3k views

Linker error: /usr/bin/ld: cannot find -lgcc_s

I am trying to compile symlinks (tar.gz-file), which is a very small tool with one line for compilation: gcc -Wall -Wstrict-prototypes -O2 -N -s -o symlinks symlinks.c which gives the error .... ...
11
votes
3answers
32k views

Trying to SSH to local VM Ubuntu with putty

I have found similar questions in my searches here, but most of the answers are way above me at the moment, so here goes. I have set up a VM of Ubuntu server, have installed OpenSSH, and am now ...
3
votes
2answers
5k views

How to reduce ClamAV memory usage?

I'm running a Ubuntu based web server (Apache, MySQL) on a 512MB VPS. This is more than sufficient for the website it is running (small forum). As I wanted to add some protection against viruses I ...
1
vote
1answer
1k views

org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed] while running spoon.sh in ubuntu

When I am running spoon.sh file in Ubuntu I am getting the following error: [santosh@sbx data-integration]$ ./spoon.sh /home/decathlon/Pentaho-5.0.1/data-integration org.eclipse.swt.SWTError: No more ...
6
votes
1answer
834 views

How to write/edit/update the OsIndications efi variable from command line?

In the need to enter the UEFI firmware setup utility while using ultra fast boot (keyboard drivers are not loaded during POST), I wish to write to the "Os Indications" efi variable. My OS is Ubuntu ...