Greatest Hits

9
votes
7answers
31k views

No sound in Ubuntu 13.04, only Dummy output device listed

My sounds suddenly stopped playing on Ubuntu 13.04 64bit. I can only see Dummy output device in the Sound Settings and no sound is played during testing. I can get the sound temporarily working by ...
8
votes
3answers
29k views

E: Unable to correct problems, you have held broken packages

I am using Ubuntu 13.04 which I installed few days back. I am trying to install nodejs and npm. I tried to install from command line first and then uninstalled it. Then something broke. sudo apt-get ...
19
votes
1answer
39k views

How can I install Qt 5.x on 12.04 LTS?

If you want to develop with QML 2.0 and Qt5, the base packages don't seem to exist in repository for 12.04. What PPA should I add? Is it a binary installer? a compile the toolkit yourself? Those ...
9
votes
6answers
32k views

Trying to do ssh authentication with key files: server refused our key

I'm trying to setup ssh authentication with key files in stead of username/password. The client is a Windows box running PuTTY and the server is a Ubuntu 12.04 LTS server. I downloaded puttygen.exe ...
9
votes
3answers
45k views

Detect and mount devices?

I upgraded Ubuntu today and everything works smooth except that Ubuntu doesn't detect any other storage devices. My / and /home partitions work fine, but my other partitions are just not detected. I ...
9
votes
1answer
36k 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. ...
6
votes
4answers
54k views

How do I update/install Perl

The Perl package is in /usr/bin and is an older version (5.12.4) and the current stable release appears to be 5.14.2. How do I update this version? Root access is required, and I do not want to ...
59
4
votes
3answers
45k views

SSH Permission denied (publickey)

I have tried searching previous questions for answers to my question but all of the answers that have been suggested previously haven't worked for me. I am trying to connect to a linode (running ...
26
votes
10answers
31k views

System Monitoring Tools For Ubuntu

I am looking for System Monitoring tools which are GUI and Cli or Web Based which include Basic Functions such as CPU Usage Ram Usage Swap Usage Disk Usage ( Space / I/O ) Heat Monitoring I know ...
29
votes
6answers
63k 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 ...
4
votes
2answers
34k views

Ubuntu 13.04 - installation Nvidia driver

I've installed Ubuntu 13.04 on my laptop HP 6720s with video card Intel 965 chipset Intel gma x3100. After the boot the classic purple screen appear and before the login page the screen become black ...
17
votes
2answers
22k views

403 error after upgrading to apache2.4

After upgrading from Ubuntu 13.04 server, the www pages won't display themselves. Error 403 Forbidden You don't have permission to access / on this server. I've changed access control saves from ...
51
4
votes
8answers
39k views

Adobe Flash Player is not working in 12.04

I am facing problems when opening some videos and contents from some web sites. I figured out that Adobe Flash Player is not working properly in my system. I have installed a fresh copy of 12.04 on ...
1
vote
2answers
23k views

What's the difference between ubuntu 13.10 amd 12.04 LTS??? and

What's the difference between ubuntu 13.10 amd 12.04 LTS and which one is best for my laptop (Asus k46cb i7) imeans which one recognizes my laptop drivers completely?
45
votes
5answers
63k views

Getting MTP enabled devices to work with Ubuntu?

Since Ubuntu 13.04 storage access to external devices via MTP is supposed to work out of the box via a GVFS-MTP module. While this question is about the Galaxy Nexus, other Android devices as ...
55
16
votes
6answers
49k views

Ubuntu 12.04 x64 - Very slow response and sluggishness

Recently updated to 12.04 (64-bit) on my AMD hex-core 4GB system, over the last few days I feel that the overall system is sluggish/laggy, for instance hitting the dash button, the dash opens but the ...
62
74
votes
15answers
69k views

Can I skip over releases when upgrading?

I am currently using Ubuntu 10.04. I know there is a 10.10 release, but can I upgrade directly to 11.04? Could you walk me through the steps please?
63
3
votes
4answers
28k views

how to correctly install apache2, php5, mysql and phpmyadmin

What is the most correct method of installing apache 2 server, php5, mysql and phpMyAdmin? I installed it this week, and I had a lot problems without solutions, so now that I reinstalled Ubuntu 13.04 ...
23
votes
8answers
62k views

How do I get permissions to edit system configuration files?

I can't seem to edit and save config files in the root system (eg: /etc/dhcp/dhcpd.config); it just says "permission denied" or the save option is blocked in the text editor. I'm pretty sure I'm a ...
29
votes
7answers
87k 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 ...
6
votes
4answers
39k views

'Some index files failed to download' while updating

When running sudo apt-get update I get these following errors: Err archive.ubuntu.com quantal InRelease Err archive.ubuntu.com quantal-updates InRelease Err archive.ubuntu.com quantal-backports ...
13
votes
4answers
44k views

How do I change keyboards from the command line?

How I change keyboard layouts from the command-line? For example, I want to switch from English to Hebrew. I'm able to do it from lightdm with the little icon in the corner of my screen.
7
votes
5answers
70k views

Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)

I have mailserver configure using dovecot+postfix+mysql and it was runnig fine in the server(Ubuntu Server). But during last week it stopped working correctly. It doesn't send email. When I try to ...
29
votes
2answers
33k views

Is there another way to restart the sound system if pulseaudio/ALSA don't work?

I was listening to music, and my sound suddenly went dead in all my applications. I'm using Ubuntu 12.04, which uses pulseaudio, so I tried sudo /etc/init.d/pulseaudio restart, but nothing happened. ...
25
votes
6answers
47k views

Where are mysql-admin and query-browser?

In terminal I run next commands: sudo apt-get install mysql-server sudo apt-get install mysql-admin sudo apt-get install mysql-query-browser With first command - all ok. But for latest two ...
64
9
votes
1answer
55k views

How do I display the whole desktop in Virtual Box fullscreen mode?

I am running Ubuntu 12.04 in VirtualBox 4.2.6 on a Windows 7 host. After installing Ubuntu I wanted to get the VB interface in fullscreen. I therefore installed guest additions from Virtual Box ...
6
votes
5answers
41k views

How to change root password in ubuntu?

I am trying to change root password in my Ubuntu system. This is what I did: ashot@ashot-desktop:~$ sudo passwd root passwd: Authentication token manipulation error passwd: password unchanged ...
21
votes
3answers
47k views

How to set JAVA_HOME for OpenJDK?

How can we set JAVA_HOME environment variable for OpenJDK?
54
19
votes
6answers
44k views

Where did the startup-applications-preferences program go?

I would like to change my startup-applications, Where can I find the program startup-applications-preferences program? I'm using gnome-shell. I tried to reinstall it and to look for it by terminal ...
8
votes
2answers
36k views

Ubuntu 13.04 not detect the HDMI sound output

So, I have maded the upgrade to ubuntu v.13.04, but, when I have maded this, my HDMI sound otuput sttoped to work... and, the HDMI sound device not appers any more on sound preferences :( When I run ...
44
20
votes
4answers
47k views

How do I change the cursor and its size?

I have recently created an Ubuntu 12.04 partition on my Windows 7 laptop. When installing it, I switched to "high contrast" mode, which has rather large cursors (by large I mean about twice as large ...
2
votes
3answers
11k views

What do I need for remotely accessing my Ubuntu 14.04 machine?

I am at a loss as to how to set up my machine for remote connection. Do I need to install a VNC server (which one?) or is Vino (installed by default) enough? I opened Desktop Sharing Preferences ...
32
votes
5answers
48k views

How to search for strings inside files in a folder?

Is there any utility to make searches for a string inside ASCII files to avoid command line searches? How to make a command line search, for example for the string "test" inside all files in the ...
31
votes
2answers
48k 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. ...
16
votes
8answers
77k views

Fix corrupt NTFS partition without Windows

MY NTFS Partition has gotten corrupt somehow (it's a relic from the days when I had Windows installed). I'm putting the debug output of fdisk and blkid here. At the same time, any OS is unable to ...
4
votes
1answer
53k views

Moving folder and subfolder to another path

I need to mve my folder with many subfloder contents to another path. I'm using putty and this is what i tried MV -r fromflderpath tofolderpath Where am i doing wrong ?
13
votes
3answers
48k views

How to fix 3D Acceleration for Vmware Workstation 9?

I have recently installed Vmware workstation 9 on Ubuntu 12.04 & i have migrated my VM's from windows to Ubuntu 12.04 . Now i am getting openGL error & it says no 3D acceleration as shown in ...
41
votes
10answers
76k views

MySQL GUI Tools

Does anyone have any good ideas as to native MySQL GUI clients for Ubuntu? So far I've tried MySQL Workbench, which never seemed to work properly, phpMyAdmin which I found a bit slow, and Navicat ...
4
votes
3answers
12k views

How do I eliminate screen tearing on 14.04 and XBMC with NVidia-331?

I have updated my 12.04 HTPC to 14.04 (new install; same hardware), and have started getting awful screen tearing where I had none before. /proc/cpuinfo AMD A4-3300 APU with Radeon(tm) HD Graphics ...
43
votes
3answers
73k views

How to get to the GRUB menu at boot-time?

This issue came up recently for me (and I've been prompted to lodge it as a specific question about it): My system is not dual-boot, I run a standard Ubuntu desktop system "on the metal" (I think ...
7
votes
2answers
42k views

How to install the Boot-Repair tool in an Ubuntu live disc?

When the bootloader (GRUB) is broken, I cannot access neither Ubuntu nor Windows. I heard that an easy solution to fix this is to use the Boot-Repair tool from an Ubuntu liveCD (or liveUSB). What ...
11
votes
4answers
37k views

run python in terminal

Trying to learn how to run my scripts through Ubuntu's terminal regularly. That being said I am familiar with bash, wget, and awk being called but how do I call python files to run in the terminal? ...
53
8
votes
1answer
46k views

How to install Ubuntu on a Mac and keep OSX?

Could anyone provide a concise step by step instruction on how to install Ubuntu 12.04 on a Mac OS X Lion? I have read that Ubuntu corrupts the EFI file so I would like to hear from those who have ...
20
votes
6answers
61k views

“SIOCSIFFLAGS: Operation not possible due to RF-kill”?

I am getting this error as a part of this problem here but since this problem is totally different issue I think it is better to consider this issue separately. My wlan0 is down. When I try to turn it ...
6
votes
3answers
45k views

How do I access my Windows partition?

I have Ubuntu 12.04 installed on my HP G62-453 TU Laptop. I cannot access the contents of my hard disk partition E.
31
votes
5answers
37k views

How to list all variables names and their current values?

Including not only $HOME, $PWD etc but any other you have defined.
0
votes
2answers
28k views

E: Some index files failed to download. They have been ignored, or old ones used instead after apt-get update

My /etc/apt/sources.list contained: nazar_art@nazar-desctop:/etc/apt$ cat source.list deb http://security.ubuntu.com/ubuntu precise-security main universe nazar_art@nazar-desctop:/etc/apt$ cat ...
10
votes
7answers
16k views

After apt-get upgrade system always boot to low-graphics mode

Some time ago I have installed xorg edgers nvidia 331 drivers for my Nvidia 420M with Ubuntu 13.10. Today I have run like always sudo apt-get update && sudo apt-get upgrade -y && ...
2
votes
4answers
54k 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 ...
7
votes
8answers
23k views

Will upgrading Windows 8 to 8.1 affect Ubuntu?

It's a rather simple question (I hope). I currently have Windows 8 and I am dual booting it with Ubuntu 13.04. If I were to install the latest update for Windows 8, that being 8.1, will it affect ...