Greatest Hits

76
votes
9answers
20k views

What is the difference between Terminal, Console, Shell, and Command Line?

What is the difference between Terminal, Console, Shell, and Command Line?
23
votes
1answer
24k views

Only MKV format available in HandBrake

I am running Ubuntu 14.04 LTS 32 bit. I have installed HandBrake rev5474 (i686), which I believe is the latest, and the Ubuntu Restricted Extras. I am able to play DVDs via VLC but when it comes to ...
24
votes
4answers
78k 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) ...
2
votes
4answers
66k views

How do I make a bootable USB stick from an ISO image? I'm running Kubuntu 12.04

Why won't kb3 (in Kubuntu 12.04) recognize a USB drive and allow me to burn an ISO image to it? kb3 is the default iso burning application and it gets generally good reviews. But it pops up a dialog ...
13
votes
4answers
80k views

How can I edit my Grub bootloader entries (Hide, Rename, Remove)? Preferably doing it manually, and not with a program

So basically I have a pretty flooded Grub bootloader, with older linux versions, 3 operating systems and memtests. What I want is to leave the operating systems only. I need to know how to do it ...
48
12
votes
4answers
58k views

Run RDP server on Ubuntu 12.10

What's the best way to run a RDP Server on Ubuntu 12.10? I'd like to run an RDP server on my Desktop running Ubuntu 12.10 and be able to login from another 12.10 machine using the remote login ...
13
votes
4answers
35k views

How to speed up VirtualBox Ubuntu 14.04 (disable visual effects, …)

I just installed Ubuntu 14.04 in a VirtualBox machine, which I am planning to use for Java/Web development. After my first steps, I noticed that the CPU usage is very high even when I do simple tasks ...
6
votes
2answers
58k views

How to find python installation directory on ubuntu

I have just migrated from Windows environment. I have installed Python 3.2 in a separate directory. How can I get the python installation path on ubuntu shell ? Is there any way I can let shell ...
31
votes
7answers
95k views

NVIDIA drivers not working after upgrade. Why can I only see terminal?

Tonight I upgraded to 11.04. Problems. Once I had finished the upgrade, I restarted my computer as it told me too. When I got past the ubuntu 11.04 (purple background orange dots), it simply went to ...
28
votes
10answers
66k views

Radeon HD 2000, 3000, 4000 on Ubuntu 12.04.2 and higher: fglrx (legacy) unsupported, what to do?

After upgrading to 12.10 quantal, the packaged version of fglrx no longer works. I discovered that this is because there is a separate 'legacy' fglrx driver for the HD 2k-4k series cards, but it is ...
4
votes
2answers
62k views

Change permissions on all folders and files

I have ubuntu 12.04. I want to change permissions on all folders and files at the same time so that anyone can modify or remove them.
62
votes
4answers
74k views

How can I get a list of all repositories and PPAs from the command line?

I know how to list all packages installed on my system. But how could I get a list of all repositories and PPA's? I know I can look into /etc/apt/sources.list and /etc/apt/sources.list.d, but I'm ...
1
vote
3answers
18k 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 ...
12
votes
1answer
89k views

How do I mount a CIFS share?

I'm using Ubuntu 11.10, and am trying to mount a freenas server. I have the server set to share in cifs and nfs with no luck. I have tried smbmount //192.168.1.### /mnt/ I am not new to Ubuntu but ...
11
votes
1answer
48k views

Command to change the wallpaper in XUbuntu

Doing a google search reveals the command xfconf-query -c xfce4-desktop -p /backdrop/screen0/monitor0/image-path -s <image-path> The first time I run this command I got a message saying that ...
65
votes
3answers
82k views

How to install specific Ubuntu packages, with exact version?

I want to setup a new virtual machine with some specified packages (name and version), that are provided. For example apache2 in version 2.2.20-1ubuntu1 with all dependencies. Even if there is a new ...
5
votes
3answers
26k views

Ubuntu 14.04 Server - WiFi WPA2 Personal

I just installed Ubuntu 14.04 Server and cannot get wifi configured correctly to work with WPA2 personal and could use some help. There was a simple wizard during install where I selected my SSID ...
40
votes
3answers
38k views

What is the “t” letter in the output of “ls -ld /tmp”?

When running the command ls -ld /tmp, the output would be: drwxrwxrwt 30 root root 20480 Mar 11 14:17 /tmp So I have two main questions: What is the letter t after the permissions? As far as I ...
21
votes
4answers
29k views

Nginx failing to reload - how to track down why?

Hi I've had my Nginx server running great on Ubuntu server 12.04 for a while. I've been gradually bolting on various bits, and got as far as optimising load times on my wordpress page. After making ...
7
votes
5answers
53k views

How to connect and create a database in MySQL?

I want to install MySQL and create a database on it using the following code: sudo apt-get install mysql-server mysqladmin -h localhost -u {username} -p create lrs I get the following message after ...
57
votes
5answers
42k 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?
14
votes
5answers
41k views

How to clean /tmp?

rizhas@rizhas-laptop:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda7 67G 58G 5,2G 92% / none 4,0K 0 4,0K 0% /sys/fs/cgroup udev 1,5G 12K ...
33
32
votes
1answer
58k views

How do I install smbmount?

It seems that smbmount is not available in Kubuntu 12.10: - neptune():~$ smbmount //192.168.0.100/ samba/ -o rw smbmount: command not found - neptune():~$ apt-file search smbmount manpages-zh: ...
41
22
votes
1answer
31k 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
10
votes
5answers
62k views

How to install subversion client in ubuntu

I have looked at this question: How do I install svn? We already use sudo apt-get install subversion to install subversion on the server. What should I do in order to install the subversion ...
7
votes
2answers
39k views

How can I check disk space used in a partition using the terminal in Ubuntu 12.04 LTS?

I am using Ubuntu 12.04 LTS and I was wondering if there is a command that can tell the space used in a partition using the terminal. Like I want to use the su command to change to a user called admin ...
35
votes
4answers
61k views

How do I copy files that need root access with scp?

I have an Ubuntu server to which I am connecting using SSH. I need to upload files from my machine into /var/www/ on the server, the files in /var/www/ are owned by root. Using PuTTY, after I log ...
21
votes
1answer
47k views

Where are the postfix log files?

I know this has been asked a hundred times. But I've done a lot of Google searching without success. My question: I want to log every activity of my postfix server. Neither the default file ...
12
7
votes
2answers
33k 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. ...
5
votes
2answers
32k 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.
10
votes
4answers
15k views

14.10 wine and fglrx conflict

I've just updated to 14.10 from 14.04, and have come across a problem having both wine and fglrx installed The wine dependencies that are causing the problem go like this wine > wine1.6 > ...
8
votes
2answers
81k views

How to start/stop iptables?

While learning some new things about iptables I can't through this. While I am trying to start, its saying as root@badfox:~# iptables -L -n -v Chain INPUT (policy ACCEPT 0 packets, 0 bytes) pkts ...
6
votes
4answers
47k 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 ...
3
votes
4answers
30k views

mysql server start failed

I am running ubuntu server. When I tried to login to mysql(which was running),I got the following error ERROR 2002 (HY000): Can't connect to local MySQL server through socket ...
6
votes
3answers
43k views

Ubuntu doesn't “see” external USB Hard Disk

It's NTFS. It's USB2. I'm using Ubuntu 13.04. It works perfectly fine on Windows (which excludes cable and hardware problems). I have two Ubuntu computers and it's not detected on either. It's about ...
20
votes
4answers
70k views

How can I get nVidia CUDA or OpenCL working on a laptop with nVidia discrete card/Intel Integrated Graphics?

Background: I'm a 3D artist (as a hobby) and have recently started using Ubuntu 12.04 LTS as a dual-boot with Windows 7. It's running on my a fairly new 64-bit Toshiba laptop with an nVidia GeForce GT ...
15
votes
2answers
74k views

How do I add an additional hard drive?

I am going to put an additional (non-USB) hard drive in my system. I already have Ubuntu on my other hard drive so I do not want to install Ubuntu on the additional drive but only use it for storage. ...
15
votes
3answers
21k views

Flux for ubuntu 14.04 - possible?

Is it possible to make Flux work in ubuntu 14.04? If so, maybe you can share your knowledge or point me to a guide? (Flux is software which adjusts temperature of your display according to time of the ...
16
votes
1answer
30k views

how to show hidden folders in 14.04 ubuntu

How do you show a hidden folder (specifically .minecraft) in Ubuntu 14.04? I am somewhat new to Ubuntu 14.04 and can't seem to find the "view" menu.
19
votes
7answers
55k views

How does copy-paste work with xterm?

Left-down-clicking in xterms starts the selection of something to be copy-pasted. Double-left clicking selects a word. Triple-left clicking selects a line. All this works under unity in 11.04. ...
17
votes
2answers
30k views

“intel_rapl: no valid rapl domains” message upon boot

I install fresh Ubuntu 14. 04 server under ESXI 5.1.0. During my installation I did not get any erorrs or strange things. My problem is when I boot machine at console screen I get messages like [ ...
11
votes
2answers
77k views

How to correctly fix a “dirty” NTFS partition without using chkdsk

When I try to do a ntfsck to a NTFS partition I get this: sudo ntfsck /dev/sdb1 Unsupported: replay_log() Volume is dirty. Unsupported: check_volume() Checking 161792 MFT records. Unsupported cases ...
11
votes
3answers
35k views

What is $DISPLAY environment variable

I am new to shell script NOT able to understand what is $DISPLAY environment variable. I am running Ubuntu 13.10 and using /bin/bash shell. I have connected two monitors. Questions: echo $DISPLAY ...
7
votes
2answers
26k views

How to unzip .tgz file using the terminal?

I've downloaded mongodb-linux-x86_64-2.6.3.tgz file using windows 7 and kept it on D:\Amra\Software\Developing Soft location. When I right click this .tgz file using Ubuntu and see property it shows ...
17
votes
3answers
46k views

Can I use Ubuntu to diagnose hard drive or RAM problems in Windows?

This may be a crazy question, but here goes... My brother suggested that I could somehow use either a Ubuntu Live Boot CD or Flash drive or Kubuntu as a way to diagnose issues I'm currently having ...
8
votes
4answers
86k views

How do I start VNC Server on boot?

How do I create a system-wide autostart file? This would be on a cloud server running the desktop version of Maverick. I logged in as root and created an autostart file using ...
4
votes
1answer
33k views

How to find my current JAVA_HOME in ubuntu?

How to find my current JAVA_HOME in ubuntu? I have to set java_home path when installing maven.
15
votes
1answer
53k views

I get “Failed to load session ”ubuntu-2d" when using XRDP

Initially, when I try to log in to my ubuntu machine (version 12.10) using RDP, I would get an ubuntu desktop background, with no text, menu bars, or anything to indicate it loaded the desktop. I ...
34
votes
5answers
47k views

Ubuntu as Miracast Sender/receiver

couldn't find anything about Ubuntu act as a Miracast receiver or sender. General info about Miracast at Wikipedia Should this work? Supported HW? (Wifi direct?) only via WiFi no LAN? If Wifi direct ...
37
votes
5answers
68k 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 ...