Greatest Hits

8
votes
2answers
35k views

Dark GTK theme for Ubuntu 14.04

I am using the zonColor DarkNight theme on Ubuntu 13.10 and am quite pleased with it. I would like to have a similar theme for Ubuntu 14.04 but so far I could not find a single dark theme available. ...
22
votes
1answer
32k views

java plugin in Chromium

Icedtea-7-plugin installed but it does not appears in the list in about:plugins in Chromium. Not able to execute java applets. Tried installing Icedtea-7-plugin but in vain. Using openjdk7 in 14.04
5
votes
4answers
24k views

How to check opened/closed port on my computer?

I was wondering how to check the opened/closed port on my computer. I used netstat -a on command line, Is the port status "LISTENING" indicated that the port is opened? Any port that are not shown in ...
13
3
votes
2answers
8k views

'starting version 219' bug after the 15.04 update

After update my system to 15.04, I have an error message at the boot: 'starting build 219'. The bug is known, its recommend to go to console mode and enter this command: sudo systemctl enable ...
25
votes
2answers
31k views

Adapt Ubuntu to a high-DPI resolution screen

What are the steps you need to adapt Ubuntu on a fresh installed Laptop with a high resolution display? I have a display with 3200x1600px on only 11'' which is all realy tiny.
11
votes
1answer
7k views

Unknown Additional Driver: Processor microcode firmware for Intel CPUs for intel-microcode

After upgrading to 15.04, I have one additional driver (it did not appear in 14.10). What is the purpose of this driver and should I enable it?
5
votes
2answers
33k views

How to install Sopcast Player in Ubuntu 14.04?

I have tried to find some PPA's for Ubuntu 14.04 but didn't find any. So I tried to install the package for previous releases, with no luck and a lot of dependencies issues.
3
votes
2answers
8k views

Problem booting after updating from Ubuntu 14.10 to 15.04

I just updated my laptop from Ubuntu 14.10 to Ubuntu 15.04. Now on a restart it fails to make it to the login prompt. The system looks to be in a cycle of failure and I see the message repeatedly [ ...
7
votes
2answers
29k views

How to setup OpenVPN Client

I'm trying to setup OpenVPN using NetworkManager. The GUI seems buggy and unresponsive. Are there any other tools for setting up a VPN client?
7
votes
2answers
28k views

Proxy authentication with terminal Ubuntu 14.04

I would like to access the internet to update files etc. from the terminal on a secured proxy network. I've already tried the following: Adding to /etc/apt/apt.conf, /etc/apt/apt.conf.d/01proxy, ...
40
votes
5answers
70k views

Is there a free trusted vmware image with Ubuntu preinstalled?

Since the vmware virtual machine drivers are pretty standard I don't see any technical reason for a preinstalled image not to be portable. Although the above situation is obvious, I didn't find any ...
12
votes
2answers
58k views

What command should I type to run Chrome from the terminal?

I have remote box accessed by VNC and jwm desktop. No menus, not desktop icons, only a terminal window. I have downloaded Chrome's .deb package and installed it. Now how can I run it from the ...
14
votes
1answer
42k views

32-Bit UEFI Boot Support

I recently purchased a Dell Venue 8 Pro. I have read online about what it needs in order to boot into Ubuntu or any other Linux distro. From what I have gathered, what really needs to happen is ...
3
votes
3answers
34k views

cp - cannot create regular file : permission denied

I want copy to /lib/udev but gives error cp -f /tmp/ok_pcscd_hotplug.sh /lib/udev cp:cannot create regular file /lib/udev/ok_pcscd_hotplug : Permission denied I am root , but I can't understand . ...
9
votes
4answers
17k views

how to download playlist from youtube-dl?

I'm trying to download some videos in mp3 format. it's a play list. How do I download the whole play list wit one command?
9
votes
5answers
39k views

How do I get HTML5 h.264 Video working on Firefox?

According the the release notes for Firefox 26, h.264 video should now be working in Linux. It does also say the appropriate gstreamer plug-ins need to be installed. Does anyone know what these are? ...
11
votes
1answer
60k views

How to add a GPG key to the apt sources keyring?

Ubuntu Doc page says this: It is advisable that you add the Opera GPG key. wget -qO - http://deb.opera.com/archive.key | sudo apt-key add - Where do I add that? I want to take the advice ...
19
10
votes
1answer
34k views

What does apt-get --fix-missing do and when is it useful?

From the man page: -m, --ignore-missing, --fix-missing Ignore missing packages; if packages cannot be retrieved or fail the integrity check after retrieval (corrupted package files), hold back ...
5
votes
1answer
45k views

How to open a port?

I have ubuntu 12.04 and I'm not able to allow certain port in my firewall. So I basically said I will allow everything but it's still not working. Please help. nmap on this machine from other machine ...
2
votes
3answers
8k views

Ubuntu 15.04 doesn't start with nvidia driver

Hello I upgraded from Ubuntu 14.10 to 15.04 and when I use the proprietary Nvidia driver Ubuntu doesn't boot. It shows "Starting 219" on my secondary screen and on my primary screen it shows something ...
7
votes
4answers
53k views

SSH error: Permission denied, please try again

I am new to ubuntu. Hence please forgive me if the question is too simple. I have a ubuntu server setup using amazon ec2 instance. I need to connect my desktop (which is also a ubuntu machine) to the ...
12
votes
3answers
53k views

How can I run Disk Utility in terminal via a comand line?

First of all, I must say that I have successfully used Disk Utility in the past and thus I could rename my partitions. But yesterday, I saw that my partitions are not mounted, so I used Storage ...
4
votes
1answer
48k views

Run executable file on terminal

I'm new to Ubuntu and currently on it because of assignment. I would like to ask few questions: 1) How do I make new command to run a shell script? For example, when you type "passwd" on terminal ...
2
votes
5answers
7k views

Cannot Connect To WiFi - Intel Corporation Wireless 3160

I got a new laptop recently and since 14.04 refused to work and 12.04 is a little dated I installed Ubuntu 15.04 Beta 2. Anyways, I've been looking around and cannot find a way to get the wifi to ...
5
votes
3answers
25k views

permission denied for root@localhost for ssh connection

I just installed Ubuntu 14.04 and LAMP on that. Then, I wanted to configure my server, so tried out This tutorial. When I give the command: ssh root@localhost I get : Permission denied, please try ...
8
votes
5answers
15k views

How do you update npm to the latest version?

I'm having issues with npm in a Vagrant box I'm setting up. I noticed that the npm version is somewhat old, so I wanted to check the problem with the latest release. It is my understanding that you ...
2
votes
1answer
27k views

How to install Flash Player Plugin in Lubuntu?

I am actually using Lubuntu, and I can't install the Abobe Flash Player Plugin with Chromium. When I download it on the Adobe Flash Player website, Lubuntu ask me (in French, sorry, I live in France) ...
6
votes
1answer
34k views

Getting hybrid graphics to work nvidia-prime GT650M

I recently made the switch to Ubuntu. Everything on my laptop works fine except my hybrid graphics card. It is Intel graphics combined with Nvidia GeForce GT650M. I tried Bumblebee, but primusrun ...
8
votes
4answers
43k views

How do I add a network drive to Plex?

So I've been looking around and can't find an exact solution to my problem. I dual boot Windows 7 and Ubuntu 13.04. I like Ubuntu and want to use it instead of windows. Everything was working on ...
12
votes
1answer
24k views

What are the rcuos/rcuob processes I'm seeing in top?

I ran top, and I see lots of rcuos/rcuob processes. Here's a sample of top output: top - 21:41:15 up 22 days, 19:20, 1 user, load average: 0.00, 0.01, 0.05 Tasks: 332 total, 1 running, 331 ...
5
votes
4answers
18k views

How can KVM be located by Android Studio on Ubuntu 14.04 LTS

When running the emulator, Android Studio reports the following message: Please ensure KVM is properly installed and usable. CPU acceleration status: KVM is not installed on this machine ...
15
votes
1answer
50k views

update-java-alternatives vs update-alternatives --config java

On Ubuntu 12.04 LTS I have installed Sun's JDK7, Eclipse, and the Arduino IDE. I want the Arduino to use OpenJDK 6 and want Eclipse to use Sun's JDK 7. From my understanding I need to manually ...
22
5
votes
1answer
40k views

How do I install and enable pdo_mysql and gd extensions for php5?

When trying to install webtrees I get the following output: Checking server configuration PHP extension "pdo_mysql" is disabled. You cannot install webtrees until this is enabled. Please ...
21
3
votes
2answers
17k views

Upgrade xubuntu from 14.04 to 14.10

I set Notify me of a new Ubuntu version to For any new version. Then I did this in terminal: sudo apt-get update sudo apt-get dist-upgrade And nothing happened. The result of cat /etc/lsb-release ...
8
votes
2answers
72k views

How to recover a deleted NTFS partition with data

I am on Ubuntu 12.04 64-bits I accidentally deleted a NTFS 255 GB partition using Gparted, and yes it contains LOTS of important data. Upon realizing the deletion I haven't yet created any ...
11
votes
4answers
28k views

14.04 doesnt have package imagemagick

Usually I had installed Image Magick on my Ubuntu systems with a command like this sudo apt-get install imagemagick or like this: sudo apt-get install php5-imagick Right now I am running the ...
16
votes
11answers
36k views

How to clone to a smaller harddisk?

How to clone a harddisk to a smaller sized one. Clonezilla is great but it doesn't support such functionality. Also dd and PartImage don't support this demand. rsync will not copy the MBR since an ...
31
votes
2answers
17k views

How do I install Landscape for personal use?

I'd like to manage my home machines and laptops with Landscape, how can I do this?
26
votes
4answers
12k views

Why doesn't running “sudo shutdown now” shutdown?

When I issue the following: sudo shutdown now ..my newly commissioned Ubuntu 14.04 server doesn't shutdown. It stops with the following message: * Stopping System V runlevel compatibility Give ...
3
votes
1answer
34k views

connect: Network is unreachable? - ping

When I attempt to ping google's dns or any outside the network I get connect: Network is unreachable? I can't update either which I put down to this I am new to networking... And Ubuntu. But these ...
24
votes
3answers
36k views

How to find and list all the symbolic links created for a particular file?

I had created many symbolic links on various paths for a particular file or a directory. I want the whole list of created symbolic links paths (location). Example: I created symbolic links for ...
18
votes
1answer
8k views

What is Snappy Ubuntu Core?

Before everyone rushes to mark this as a duplicate, I have indeed read the other threads here and here, googled this, and visited the snappy homepage here searching to clear my confusion, and I ...
13
votes
1answer
43k views

iptables log file,and how change it

I have this rule in my iptables: iptables -AINPUT -s 192.168.11.0/24 -j LOG My question is: Where is the iptables log file, and how can i change that?
7
votes
2answers
43k views

How to fix Permission Denied (Public key) error?

While trying to communicate between my desktop Ubuntu 12.10 and Fedora 19 desktop, I am facing the error of Permission Denied (Public key). I am able to login through ssh from fedora to Ubuntu, but ...
19
9
votes
3answers
30k views

Route all traffic through OpenVPN

Yep, this question has been asked a hundred times, and I have searched everywhere, to no avail. The title says it all really. I have an OpenVPN server (On ubuntu), and I can connect to it through ...
4
votes
8answers
7k views

In Ubuntu 15.04 can't do graphical log in

I have done clean install recently of Ubuntu Desktop 15.04. And I was able to log in to the graphical environment until I enabled "boot to text" like said there: How do I disable X at boot time so ...
2
votes
5answers
37k views

How to Setup a root cron Job Properly

I tried to setup a root cron job to run a Bash script as root, to run at minute 7,37, every hour, every day of month, every month. This script is located in /usr/bin and named tunlrupdate.sh is used ...
6
1
vote
1answer
17k views

Ubuntu 14.10 Nvidia Driver

I upgraded my ubuntu 14.04 to 14.10 , and my nvidia gforce stopped working , and giving low resolution on both internal and external monitor!!!. Is there any update for this Driver, as I am using ...
12
3
votes
3answers
6k views

Steam won't launch in Ubuntu 15.04 x64

After installing Steam in Ubuntu 15.04 x64 it won't start. After trying this command in terminal steam I get this output: Running Steam on ubuntu 15.04 64-bit STEAM_RUNTIME is enabled ...
18
votes
6answers
10k views

How do I check whether a module is installed or not in Python?

In terminal, after I start Python, how will I know what are the modules present in python? Suppose I need to learn the modules NumPy and SciPy. How will I install it if it is not installed? How ...