Greatest Hits

19
votes
5answers
80k views

Where can I find more Unity themes?

This might already be answered, but I can't find it. I am getting a bit bored of the traditional purple feel of unity and I would like something new. Where can I find more Unity themes? I have ...
23
votes
2answers
71k views

How to install KDE along Unity?

I have just installed the latest Ubuntu 14.04 and I would like to install KDE along side my Gnome/Unity that I have now. How can I do this? Thanks!
91
30
votes
1answer
132k views

What is the PATH environment variable and how do I add to it?

I just installed picc-9.82.9453-linux.run from Microchip website, and at the end it asked me ==> NOTE: You may wish to add the following /usr/hitech/picc/9.82/bin to your PATH ...
35
votes
4answers
56k views

error in installing mongo in virtual machine

I try to install mongo using mongo documentation: Install MongoDB on Ubuntu no errors were mentioned during the installation. But when I run the mongo command following error was displayed in the ...
71
votes
2answers
113k views

How can I install XFCE along side unity?

I would like to be able to install XFCE to run alongside unity so I can choose, upon startup, which DE I use, without breaking any features of either DE. Following this: Xubuntu 14.04 Trusty Tahr: a ...
94
49
votes
4answers
144k views

How to detach a screen on a terminal?

Maybe this is a dumb question. I know how to start a screen or how to list different screens. screen -ls or to attached.. There are screens on: 2477.pts-0.server1 (Detached) ...
9
votes
4answers
71k 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 ...
22
votes
5answers
109k views

Grant a user permissions on www-data owned /var/www

I have a simple web server setup for some websites, with a layout something like: site1: /var/www/site1/public_html/ site2: /var/www/site2/public_html/ I have previously used the root user to ...
82
votes
4answers
138k views

How do I check the SHA1 hash of a file?

How do I check the SHA1 hash of a file?
105
37
votes
4answers
59k 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 ...
8
votes
4answers
55k views

How to export Google Chrome bookmarks

I have got Google Chrome (Version 41.0.2272.118 (64-bit)) and I would like to export my bookmarks without having to sync anything with any online accounts. I read here that the bookmarks are stored ...
28
votes
1answer
116k views

My WiFi adapter is not working at all, how to troubleshoot?

On this site I see hundreds if not a thousand questions being asked about issues with a Wireless LAN adapter not being detected/recognized by Ubuntu. Some mainstream adapters appear to be utterly ...
30
votes
5answers
106k views

How to find all the used IP addresses on a network

In my work there is a lot of computer and I want make a joke. I can close computer over the network but finding IP addresses is hard to me. How can I easily find all online IP adresses from 192.168.1....
38
votes
3answers
142k views

How do I enable the “multiverse” repository?

I keep seeing places refer to the "multiverse" repository as a place I can get software, how can I enable this repository? Please specify how to do this graphically and via command line.
91
votes
2answers
136k views

How do I keep track of failed SSH log-in attempts?

I'd like to see if somebody has been trying to log-in by brute-force into my Ubuntu 12.04 server over SSH. How can I see if such activities have been taking place?
55
votes
3answers
110k views

mv: Directory not empty

I want to move content of a directory within another directory with the same folders. Here's an example: I have ./backup wich have the directories base and test. Now I want to move these directories ...
3
votes
3answers
66k views

The following packages have unmet dependencies!

I am writing this because I am very confused about installing postgresql 9.3 on mine Ubuntu 14.04. First I need it for mine Python/Django development, and I ran in to the problem, when i tried to ...
10
votes
1answer
55k views

Can I access to Ubuntu from Windows remotely?

I have Ubuntu installed on my work computer. I am wondering whether I could access to it from another computer with Windows installed. If so, could you give a step by step guide, please? Thank you!
38
votes
3answers
89k views

“autoreconf: not found” error during making qemu-1.4.0

I was ./configure'd the qemu-1.4.0 and during make it cause: (cd /home/amin/Simulate/qemu-1.4.0/pixman; autoreconf -v --install) /bin/sh: 1: autoreconf: not found make: *** [/home/amin/Simulate/qemu-...
110
70
votes
3answers
21k views

google-chrome-stable keeps asking if it should be set to default

Since the Ubuntu 15.10 upgrade, google-chrome-stable keeps asking if it should be set as default browser, even though it already is. I tried to reinstall it, but that didn't help. Any ideas?
15
votes
5answers
74k views

HowTo: Upgrade java on Ubuntu 14.04 LTS?

I recently installed Ubuntu 14.04 on my computer and now my Java Version is not updated. I have Java so I dont need to install - just update the current version. Can someone please tell me the ...
59
22
votes
3answers
83k views

Update server php version to 5.4.10 via the command line

Im setting up a vps for the first time from scratch, the host has a one click LAMP installer which took out allot of the leg work, but running phpinfo(); i found im running 5.3.10. So id like to ...
13
votes
4answers
82k views

Why am I getting “Permission denied: make_sock: could not bind to address” when starting Apache2?

I can stop it using /etc/init.d/apache2 stop But when I want to start it again using: /etc/init.d/apache2 start I get this error: Starting web server apache2 ...
55
votes
11answers
116k views

How to find and change the screen DPI?

I am trying to find and then change the screen DPI (dots per inch) setting in 12.04 and 12.10. However, I can't seem to find any app or config file that can do this. Is there any app or conf file for ...
90
22
votes
5answers
93k views

How to disable IPv6 on Ubuntu?

I disabled IPv6 on an Ubuntu box which has ssh and rsync running. But both of these are still listening on an IPv6 address. How should I fix this? root@box.com:~# sysctl net.ipv6.conf.all....
16
votes
5answers
79k views

Very slow graphics performance after upgrade 12.04 => 14.04

I upgraded from 12.04 to 14.04 and the performance is extremely sluggish; windows open and close in slow motion. Presumably my graphics hardware has not been recognized by the system. I think that I ...
33
votes
5answers
156k views

How to check the information of current installed video drivers?

My CPU usage is high when I do trivial things such as scrolling through a PDF file. So I think my video driver is not properly installed. I want to confirm that by checking the information of my ...
98
35
votes
4answers
119k views

How do I install a VNC server?

I want to install some VNC server on my ubuntu 12.04. which one is the best / recommended? how do i configure it? all i want is to be able to connect my desktop computer through my laptop. i want ...
92
27
votes
5answers
78k views

How to watch videos in Amazon Prime Instant Video?

Today I upgraded from Ubuntu 12.04 to Ubuntu 13.10. I am not able to watch any videos in Amazon Prime Instant Video. I am getting this message: An error occurred and your player could not be updated....
97
46
votes
3answers
112k views

How to force Wine into acting like 32-bit Windows on 64-bit Ubuntu?

When installing Wine on 64-bit Ubuntu 12.04, both 64-bit support and 32-bit support get installed. If I run wine foo.exe where foo.exe is a 64-bit-aware installer, it thinks it's on 64-bit Windows. ...
105
26
votes
4answers
176k views

How can I make “rc.local” run on startup?

I have a script that I would like to run when my system starts. I have put it on "rc.local", but it doesn't work. How can I enable it to run on startup?
24
votes
3answers
121k views

How do I create a script file for terminal commands?

In Windows I can write a file containing commands for cmd (usually .cmd or .bat files). When I click on those files it will open cmd.exe and run them commands the file contains. How would I do this ...
5
votes
1answer
119k views

Trying to configure eth0 and eth1 but Failed to bring up eth1

Trying to do below on Ubuntu 12.04. Trying to configure eth0 and eth1, eth0 works fine, but failed to bring eth1. Below is the settings /etc/network/interfaces: auto eth0 eth1 iface eth0 inet ...
24
votes
5answers
122k views

How to set up remote desktop sharing through SSH?

Is there a way to view (and control) a remote desktop through SSH? I will not have physical access to the remote host machine.
19
votes
3answers
97k views

How do I mount a CIFS share via FSTAB and give full RW to Guest

I want to create a Public folder that has full RW access. The problem with my configuration is that Windows users have no issues as guests (they can RW and Delete), my Ubuntu client can't do the same. ...
16
votes
3answers
104k views

Using scp to copy files from remote to home machine

This is probably a simple error, but I can't work it out. My computer hostname is Felix (hostname -f returns Felix) I am trying to move a file from my university account to my home computer using scp. ...
101
votes
7answers
91k views

How can I check the available version of a package in the repositories?

How can I check the version of the available package in the Ubuntu repositories without installing it?
7
votes
5answers
97k views

How to run mysql command from terminal?

I have the following sql command which I usually run in phpmyadmin by selecting the database, then running it in the command window. DELETE FROM `wp_posts` WHERE `post_type` = "attachment" However ...
9
votes
3answers
73k views

How to install PhpStorm in Ubuntu 14.04 LTS?

I have a JetBrains PhpStorm 7.1 and I want to install it in Ubuntu 14.04 so I installed wine for windows compatibility and I run PhpStorm-7.1.exe then it was successfully installed (I guess). But when ...
27
votes
1answer
138k views

The program 'curl' is currently not installed

I am trying out Meteor http://meteor.com/examples/leaderboard I have to use CURL, which I am familiar with on Windows. Now I try to install it on Ubuntu 12.04. But i get these errors: kevin@ubuntu:...
44
8
votes
2answers
50k views

Can I install Kali tools on Ubuntu?

I want to know if there is any way to install Kali tools like sqlmap, nikto, john, aircrack-ng, ... on Ubuntu 12.04? If yes, then how should I proceed?
21
votes
4answers
114k views

Bash: ./filename : Cannot execute binary file

I couldn't execute a fortran compiled code in ubuntu 11.10 32 bit. Error message is bash: ./filename : Cannot execute binary file. I've installed the gcc and gfortran libraries too. Could anyone ...
31
votes
2answers
77k 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?
58
votes
6answers
72k views

What does “TTY” stand for?

On the Wikipedia's article (Computer terminal) under the hard copy terminals section of the article it says this "Early user terminals connected to computers were electromechanical teleprinters or ...
70
45
votes
8answers
98k views

Can't install ATI proprietary drivers in 12.10

I have a laptop with ATI Radeon 6770M HD Hybrid graphics card. In Ubuntu 12.04, I installed the fglrx driver through "additional drivers" and it worked. (I can even switch GPUs). But in the new Ubuntu ...
30
votes
5answers
111k views

How to make partitions mount at startup in ubuntu 12.04

How do you make HDDs and partitions mount at startup with the ubuntu system? I always keep my media and data files on separate partitions - one 2tb HDD and a 400 odd gig partition. I have been ...
34
votes
4answers
144k views

How to find owner and group of a directory?

How can I find out owner and group of a directory in Ubuntu?
44
votes
3answers
91k views

Setting JDK 7 as default

four@twenty:~$ file /etc/alternatives/java /etc/alternatives/javac /etc/alternatives/java:symbolic link to `/usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java' /etc/alternatives/javac:symbolic link to `/...
45
votes
7answers
124k views

Bash remove first and last characters from a string

I have a string like that: |abcdefg| And i want to get a new string called in someway (like string2) with the original string without the two | at the start and at the end of it so that i will ...
25
votes
6answers
110k views

How to determine if a string is a substring of another in bash?

I want to see if a string is inside a portion of another string. e.g.: 'ab' in 'abc' -> true 'ab' in 'bcd' -> false How can I do this in a conditional of a bash script?