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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2
votes
1answer
47 views

Recursively find and move corrupted PDFs

The Issue I was using python-skydrive to download files to my PC, and I accidentally corrupted a good amount of my PDF files. When I try to view them in Document Viewer, I get the following error ...
2
votes
4answers
96 views

List all commands of a specific Debian package

I want to know the commands that a specific Debian package offers me. For example lets say I installed a package called x.deb. This package surely contains some commands that i can use. How to list ...
1
vote
1answer
81 views

Creating a Vagrant box with Docker installed

I'm trying create a nice playground for Docker in Vagrant based on Vagrant's precise64 box. (Code is available at GitHub: rfkrocktk/docker-vagrant-playground) Here's my Puppet provisioning ...
0
votes
2answers
42 views

Unzipping appearing to fail

I run: ~$ gzip -d Mom.img.gz ^C ~$ I created Mom.img.gz by piping a dd to gzip. Should I be seeing output? I tried it with the GUI too, and the progress bar didn't move.
3
votes
1answer
26 views

Updating kernel versions when booting from rEFInd

I'm booting from EFI using the awesome rEFInd bootloader. I've so far had to configure boot myself by manually copying over my EFI-compatible linux boot image to my EFI partition and writing a ...
2
votes
1answer
34 views

xorg.conf XkbOption ignored for terminate:ctrl_alt_bksp to restart X

I want Ctrl+Alt+Bksp to restart X, so I created an xorg.conf rule: /usr/share/X11/xorg.conf.d/53-zap.conf: Section "ServerFlags" Option "DontZap" "false" EndSection Section "InputClass" ...
2
votes
1answer
81 views

Linux Ubuntu from one architecture to another

I have an ubuntu installation (amd64) on a SSD "A" and I copied the whole harddisk to another SSD "B" , (GPT, sda1=BIOS Boot partion , sda2 = ntfs (windows) sda2=ext4 (ubuntu), sda3 = linux swap) I ...
0
votes
1answer
26 views

Logging into an RDS session from the command-line

Is it possible to start an xfreerdp session into Microsoft windows from a command-line only install of Linux? The command I use from a full blown Linux install is this: $ sudo xfreerdp ...
3
votes
1answer
28 views

Change script to use whiptail instead of zenity

I'm having difficulty converting some zenity based script to use whiptail instead. The working script looks something like this: #!/bin/bash xfreerdp /v:farm.company.com \ /d:company.com \ ...
0
votes
0answers
18 views

Low resolution after installing 2 sata drives?

I installed an enclosure with 2 sata drives on my Xubuntu 12.04.4 LTS machine. To do this, I unplugged the computer, including the dvi cable. When I restarted, everything was ok except that the ...
2
votes
1answer
52 views

Unattended linux installation (Debian/Ubuntu)

I want to make an Debian or Ubuntu unattended ISO, for my FOG server - to boot up system installation via LAN. I've searched over the internet but I didn't found nothing, which will be adequate for ...
1
vote
1answer
16 views

How to dock an application installed from terminal to the Launcher panel in Ubuntu

Installed Linux and wanted to set up sublime text. Extracted it in the /opt/ folder and can launch it with "./". I "Lock it to Launcher" but after that I'm not able to launch the program locked. ...
0
votes
1answer
69 views

$DISPLAY environment variable is not properly set error message

Is it possible to start an xfreerdp session into Microsoft windows from a command-line only install of Linux? The command I use from a full blown Linux install is this: $ sudo xfreerdp ...
-2
votes
1answer
57 views

ADT bundle not installed in ubuntu 12.04

I downloaded ADT bundle from android developer site. Bundle name is :- adt-bundle-linux-x86_64-2014031.zip It contains eclipse, and sdk folder. In eclipse folder, there is one eclipse executable ...
0
votes
0answers
34 views

Why does my USB device not get recognized by Ubuntu?

I seem to have a problem that no else appears to have encountered before (at least a couple of hours Googling has shown this to be the case). I am running Ubuntu 12.04. I plug in the device (Linksys ...
0
votes
1answer
27 views

Upgrading Ubuntu Based distro without losing everything

I use Zorin OS 8. I have previously used Ubuntu and Know that to upgrade Ubuntu versions you can use the "sudo apt-get dist-upgrade" command. I was wondering if that same command would work the same ...
0
votes
1answer
37 views

Unidentified network connections

I have an external-facing ftp/webserver (with virtual hosts) running Ubuntu 12.04LTS, and I have some concerns about some network traffic I'm seeing. Some background. I tried to be as preventive in ...
2
votes
1answer
54 views

Bad built-in chain name with iptables-restore

I saved my iptable settings on a Ubuntu 11.4 system using iptables-save >filename I then replaced the Ubuntu system with CentOS 6.5 and tried to restore iptables using iptables-restore ...
0
votes
2answers
28 views

Unable to access a folder through group permissions

In order to secure data on my webserver, I have moved the PHP includes to a folder called /var/www-includes (outside of /var/www, the server root). I also ran chown root:wwwadmin and chmod 770 on that ...
2
votes
2answers
31 views

git diff - listen for key press

I want to run the following commands: git diff git commit git commit will open the default editor to edit the commit message. But if the difference if not too long it will close immediately. How ...
0
votes
2answers
144 views

Particular site is not working on Ubuntu 12.04

I surf net in Ubuntu 12.04. All the sites are working, except one site http://developer.android.com/. I don't know why. At the same time, the same url opens in Windows perfectly. So the site is up ...
0
votes
1answer
36 views

How to make ubuntu as my default OS?

I have installed both Ubuntu and windows in my laptop. Every time I switch on my laptop I have to wait and spend some time to select one of this. Is there any option to set one of this OS as my ...
0
votes
0answers
24 views

different loopback mounted volumes exported through NFS are seen as 1 by the client

I have a rather peculiar problem. I'm running 3.2.0-58-generic #88-Ubuntu (Ubuntu 12.04) and I have mouonted the following loopback devices: cat /proc/mounts | grep loop /dev/loop0 ...
1
vote
0answers
25 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 ...
0
votes
0answers
59 views

My computer beeps while copying files

Whenever I create disk activity on my memory stick, my headphones create very annoying beeps at various notes. It doesn't happen with my in built speakers, and it hasn't happened before. I'm on Ubuntu ...
1
vote
1answer
40 views

Can't find ubuntu-desktop package on ubuntu desktop iso

Trying to add a desktop environment to Ubuntu Server 13.10. The machine is offline and needs to stay that way for a while. I burned the Ubuntu Destop ISO (ubuntu-13.10-desktop-amd64.iso, nabbed here) ...
1
vote
3answers
55 views

How can one make a laptop remain pingable and continue running its daemons even after the lid is closed?

I'm running Ubuntu 12.04 server on a laptop, and I'm pinging it from another machine. Whenever I close the lid, the pings stop getting responses, and when I open it again, they resume receiving them. ...
0
votes
0answers
26 views

Nvidia Geforce 7150m display issues on Ubuntu 13.10

I have just completed a fresh installation of Ubuntu 13.10 on my desktop and the installation was successful. My video card is an on-board Nvidia Geforce 7150m/630i and I was able to include the ...
1
vote
0answers
41 views

Video colors reversed (negative) in Ubuntu 12.04 LTS

What's the fix for negative colors in videos (Ubuntu 12.04 LTS)? Pictures or thumbnails are not effected, only videos. It does not seem to be a browser problem as videos viewed offline exhibit the ...
17
votes
1answer
883 views

What does adduser do that useradd doesn't?

In addition to the more widespread useradd, Debian based systems also contain an additional adduser command which provides a higher level interface for adding users and some related tasks. There are ...
0
votes
1answer
49 views

Best conventions for icons in Debian/Ubuntu

I've been looking for a while for the best conventions for icons, but I just find lots of inconsistent web pages. Maybe the conventions have changed and they need updating, or maybe I just haven't ...
0
votes
0answers
24 views

SSH into servers each with different subdomain over one IP [duplicate]

I have several Ubuntu VMs (bridged) behind a router that I want to access remotely. I've also got an nginx reverse proxy that handles the port 80 traffic like this: sub1.example.com -> server1 via ...
2
votes
1answer
2k views

Ubuntu 14.04 Nvidia proprietary drivers installation

I require some Help and Guidance in installing NVIDIA drivers on my system with a Dual Intel/Nvidia Graphics Processors. I am currently running Ubuntu 14.04 and i am aware that the OS is in its ...
2
votes
2answers
76 views

Your system isn't configured to run KVM properly

I am trying to install OpenStack on Ubuntu 12.04.3 Desktop AMD 64 in VMware on a host Dell Inspiron15R 5521 with Windows 8 64-bit. I have followed the tutorial here but I'm getting error Your ...
2
votes
0answers
83 views

How do I switch to Linux (Ubuntu) on Chromebook?

For reference, the Chromebook model is SNOW FREMONT A-E 0878 I used Crouton to install Ubuntu on my Chromebook. In doing so, I had my computer in developer mode and wasn't able to save anything that ...
1
vote
1answer
55 views

Not able to copy multiple files using rsync 3.0.9 version?

I am trying to copy two files using rsync from a machineB but somehow it always copies only one file but not the second file - Here is the syntax I am using - rsync -avz ...
5
votes
1answer
37 views

Lightdm service - contradictory results for `status` command

When I run in my gnome-terminal: service lightdm status everything looks OK and it is as expected: lightdm start/running, process 1221 But when I run: service --status-all 2>&1 | grep ...
10
votes
1answer
275 views

How can I monitor CPU usage by user?

I need to monitor CPU usage by users of two servers' (Ubuntu and CentOS). For example: user1 5% user2 10% ... Is there a tool similar to top or htop that can do that?
2
votes
3answers
150 views

How to use rsync or scp to efficiently copy the files from machineB and machineC to machineA?

I am running my shell script on machineA which copies the files from machineB and machineC to machineA. If the file is not there in machineB, then it should be there in machineC for sure. So I will ...
2
votes
2answers
30 views

is there a audit tool to track package installs and kernel version

I'm currently diagnosing a problem that started about a week ago on my laptop (running Ubunutu). The exact issue is not relevant though. Because I was already running several locally built kernel ...
0
votes
0answers
36 views

dark image in Skype but without a problem in other apps

I've just moved to Linux Family. I installed Elementary OS 64bit (based on Ubuntu). I try to configure my Skype, but the video image is really dark. It is working, but it is low in contrast. I've ...
2
votes
1answer
33 views

lockfile-progs utilities usage [duplicate]

There is another question that is related, but it is actually different, because I'm asking why the behavior of lockfile-create & lockfile-touch is different to the current contents of the manual ...
1
vote
0answers
32 views

Audio cuts in and out after upgrading from Ubuntu 12.10 -> 13.10

So my audio was working perfectly fine (XBMC, VLC, Flash in Chrome, etc) before the upgrade. Now that I've upgraded, I can still play audio, but it plays for a second or two at a time before cutting ...
2
votes
1answer
46 views

How to make HA Heartbeat failover when either of two NICs connection is lost?

I was successful in configuring a simple Heartbeat setup on Ubuntu 12.04, which will fail-over two VIPs to a second server when BOTH Ethernet links fail. What I can't figure out is how to fail-over ...
2
votes
2answers
228 views

How to fix boot into initramfs prompt and “mount: can't read '/etc/fstab': No such file or directory” and “No init found”?

Installing a new system using a GPT partitioned disk dedicated to a single partition, ext4 formatted, extlinux (version 4.05) as bootloader, Ubuntu Core version 13.10 amd64 as rootfs, and Ubuntu ...
1
vote
2answers
74 views

How to show the tree view in left pane of Nautilus?

My question is similar to this one, however the answers provided are not sufficient. I'm a linux occasional user / learner, not having much background to understand what to do reading between the ...
2
votes
4answers
91 views

What are SSH_TTY and SSH_CONNECTION?

What are the SSH_TTY and SSH_CONNECTION variables for? On my Ubuntu system both of them are blank; what values should they have?
2
votes
1answer
112 views

“sudo service vsftpd” returns “Unknown job: vsftpd”

I installed vsftpd on ubuntu 14.04 and when I want to stop or restart vsftpd service this message showed and nothing happened in service status! root@ali-lap:/home/ali# service vsftpd restart stop: ...
2
votes
2answers
64 views

Strip specific option from a response in dhclient

I aim to prohibit dhclient from updating my NTP config with servers received via DHCP, as it is the default on Debian/Ubuntu. However, my DHCP server ignores the list of requested options (from the ...
-1
votes
1answer
42 views

Understanding interface forwarding with VPN

I have a server with static IP address that I rented (Debian on it), and I have a server with a server at home which I bought and setup as home server (with Ubuntu Server). What I would like to do ...