Greatest Hits

20
votes
3answers
57k views

How do I fix a “Failed to download package files” error?

After I installed Ubuntu , I cannot update any software with the error message "failed to download package files". After having googled, I have tried: sudo apt-get update sudo apt-get upgrade ...
22
votes
4answers
202k views

How to make read-only file system writable?

I am not sure since when the filesystem on my digital audio player has been changed to be read-only. I cannot copy files into it or remove files on it. Are there some possible reasons for the ...
40
votes
8answers
79k views

How to switch language keyboard combination?

I would like to type Hebrew in Ubuntu. I tried downloading the Hebrew language pack and then setting alt-shift as my layout-change shortcut in the Options section of "Keyboard Layout". However, when ...
26
votes
3answers
193k views

How do I remount a filesystem as read/write?

I'm trying to mount an hfsplus filesystem in a Xubuntu 12.04 VM (kernel version 3.2.0-23-generic) but when I type mount -o remount, rw /dev/sdb3 in command line it returns not mounted or bad option. ...
36
votes
13answers
100k views

MySQL fails to start (After upgrade, installation, etc..)

I'm a newbie on MySQL ground so bear with me. I've just finished upgrading 11.10 to 12.04. Everything seemed to work without any hiccups and all my software and settings are working fine. Apart from ...
63
votes
10answers
98k views

network manager says “device not managed”

I used to be able to share my network connection by editing the Auto Eth0 to share with other computers in the Ipv4 section and now I upgraded my laptop to 11.10 . Now are there no wired connections ...
57
votes
11answers
130k views

How to restart the networking service?

I tried to use sudo service networking restart and sudo /etc/init.d/network restart but they both crash the window manager and I can no longer use my keyboard for input into X. when I use the ...
26
votes
4answers
206k views

How do I install .run files?

My PC has both Ubuntu and Windows 7 installed. I have installed all my drivers in Windows like Nvidia graphics, motherboard etc. Shall I install them in Ubuntu too? I looked on the web for my Nvidia ...
56
votes
7answers
83k views

What is the difference between a hard link and a symbolic link?

As the title says, I would like to know the difference between a hard link and a soft link created by the command ln. The command man ln does provide information, but does not sufficiently answer my ...
51
votes
15answers
131k views

How can I install Windows after I've installed Ubuntu?

I have Ubuntu on my laptop. Now I want install Windows 7 in a dual-boot. How can I do this? I can't lose my Ubuntu files, and I'm afraid that I might break GRUB.
22
votes
4answers
113k views

How do I enable the “Universe” repository?

How do I get to Universe Repository of Ubuntu software as mentioned in Ubuntu 12.04 LTS? I am installing 12.04 Ubuntu. Please help.
38
votes
6answers
130k views

Installing Chrome Java Plugin

I've been trying to install the Java plugin for Chrome for a couple hours now, and I figured it was time to ask people with more experience. I can't seem to get it working. My current Java version is ...
55
votes
11answers
133k views

How do I include lines in resolv.conf that won't get lost on reboot?

I have finally migrated to 12.04 from 7.10. I have one last part to complete but I am stumped. I am using Puppet on each server, and in the past I have included a nameserver address and a search ...
65
votes
6answers
131k views

What happened to the ia32-libs package?

The ia32-libs package is no longer present in Ubuntu 12.04 repositories for a 64bit system. Are there any available replacement packages available for download?
185
184
votes
5answers
154k views

How to upgrade a single package using apt-get?

How do I update a single package? As far as man apt-get says apt-get upgrade doesn't take a package/list of packages as parameter: upgrade upgrade is used to install the newest versions of ...
198
73
votes
3answers
65k views

How do I deal with “unauthenticated sources” errors in the Software Center?

Any install that I'm trying through the Software Center is telling me: Requires installation of untrusted packages: The action would require the installation of packages from not authenticated ...
4
votes
4answers
36k views

Broadcom B43 WiFi not working in Ubuntu 14.04 LTS

I have installed Ubuntu 14.04 LTS on my laptop. Under the networking menu at the top, it is not showing any WiFi options. How can I get Wifi working in Ubuntu 14.04 LTS? I have a Broadcom BCM4311 ...
36
votes
5answers
84k views

How to uninstall LibreOffice?

Which package should I remove to completely remove libreoffice? I have no need for office tools. That's the one gripe I have with package managers like apt, there's no simple way to perform the ...
101
votes
9answers
138k views

How can I repair grub? (How to get Ubuntu back after installing Windows?)

I installed Windows 7, which ate Ubuntu's boot file. When starting up the computer, it now goes straight to Windows, without giving me the option of booting Ubuntu. How can I get Ubuntu back?
47
votes
4answers
58k views

Requires installation of untrusted packages?

I tried installing VLC Player yesterday, and I got the Requires installation of untrusted packages error. I searched for hours for a solution to this problem, and finally came upon a suggestion that ...
56
votes
8answers
213k views

How do you restart Apache?

I switched from SLES to Ubuntu and now I want to restart my local server. In SLES I used : rcapache2 restart but this somehow seems not to work in Ubuntu. :( How do i restart my Apache?
25
votes
10answers
59k views

How to remove the “AMD Testing use only” watermark?

I've installed the latest catalyst driver (beta) following the step in this guide for Ubuntu Quantal Quetzal. My system is 64 bit and my graphic card is an ATI RadeonHD 6670, this g.c. is Officially ...
240
31
votes
1answer
99k views

How can I install GTK themes on Ubuntu?

How can I install themes in ubuntu 12.10 ? For example, how can I install the following themes on ubuntu: GrayDay Elegant+Eggplant
168
107
votes
2answers
172k views

How to extract files to another directory using 'tar' command?

I think tar archive.tar /users/mylocation will work. But it doesn't. How can I do that?
169
53
votes
5answers
88k views

How do I get AMD/Intel Hybrid Graphics drivers to work?

On Ubuntu 12.04 my Sony Vaio VPCSE with Intel® HD Graphics 3000 and AMD Radeon™ HD 6630M worked fine with the Catalyst Control Center version 12.6. Also the switching between integrated and discrete ...
55
votes
6answers
190k views

Where is the X.org config file? How do I configure X there?

As Ubuntu 10.10 seems to neither detect my graphics card (Intel 82852/855GM) automatically nor use the corresponding Intel driver even after manually installing it, I am looking into manually ...
25
votes
5answers
65k views

How to get a drive formatted with exfat working?

In Ubuntu 13.04 there was an option to use the PPA by Relan in order to get ExFat functionality. Seeing that in Ubuntu this functionality is now available from the repositories without the PPA I tried ...
107
52
votes
3answers
148k views

How can I copy the contents of a folder to another folder in a different directory using terminal?

I am trying to copy the contents of a folder to another folder in a different directory using terminal. Would somebody be able to provide me an example of the command line syntax required to achieve ...
32
votes
2answers
164k views

“Mounting cifs URL not implemented yet” when I try to mount a samba share

I have a server for development (Ubuntu 12.04). On that machine, I have a shared folder named "projects". I tried sudo mount -t smbfs smb://192.168.2.28/projects/myProject /mnt/myProject on my ...
34
votes
13answers
56k views

List all MAC addresses and their associated IPs in my local network(LAN)

How can I list all MAC addresses and their associated IPs of the machines connected to my local network(LAN)? Any suggestions?
24
votes
6answers
146k views

Where is .bashrc?

I feel stupid asking, but I can't seem to find the answer to this anywhere. I'm trying to follow these instructions to edit my bash prompt, but there is no .bashrc in either my user directory ...
26
votes
3answers
208k views

How to restart samba server?

Sorry this is a little embarassing but I'm trying to set up my own server for the first time. I found great tutorial online. http://www.intac.net/build-your-own-server/ I'm stuck at the 2nd to last ...
101
56
votes
4answers
73k views

How can I get my graphics card to be recognized in System Info?

I am new to Linux/Ubuntu. I installed Ubuntu 11.10 on my Lenovo IdeaPad y510. System info says Graphics: unknown. Driver: unknown, Experience: Standard. What should I do to use all my ...
19
votes
4answers
147k views

How do I enable Remote Desktop connection on Xubuntu 11.10?

How do I enable Remote Desktop connection on Xubuntu 11.10? I do not find any options such as those present in Ubuntu?
69
votes
11answers
90k views

How to modify a invalid /etc/sudoers file? It throws out an error and not allowing me to edit again

How do I edit an invalid visudo file? Here is what happens: $ sudo visudo >>> /etc/sudoers: syntax error near line 28 <<< sudo: parse error in /etc/sudoers near line 28 sudo: no ...
224
91
votes
14answers
191k views

How to send mail from the command line?

How to send mail from the command line?
22
votes
2answers
112k views

How can I uninstall a nvidia driver completely ?

As expected, Nvidia drivers have reduced my customizations. I can't login to Unity 3D session. I can't find any content to help me to uninstall the driver and I don't know what to do as I have never ...
162
votes
36answers
126k views

What lenses for Unity are available?

This question is present as a matter of historical interest. While you are encouraged to help maintain its answers, please understand that "big list" questions are not generally allowed on ...
30
votes
6answers
79k views

How do I install VMware Player?

I can't install VMwarePlayer 4.0.3 on Ubuntu 12.04 64Bit. For Version 4.0.2, I found a script that I have to run and after that I could install 4.0.2. Is there an similar solution for Version 4.0.3?
10
votes
4answers
127k views

What is the default root password?

I installed Ubuntu 12.04 LTS (Precise Pangolin), 64 bit. Nowhere was I asked to set password for root. I just installed AccuRev SCM software. It was installed under the /root folder by default. Now I ...
125
64
votes
16answers
140k views

How do I install Adobe Flash player?

I have had significant problems with watching flash video in 64-bit Ubuntu. Does anyone know of a good way to get flash running on the platform?
25
votes
10answers
38k views

Unable to install Skype on 64bit Ubuntu

I am receiving the following message while I am trying to install Skype: nidhin@ubuntu:~$ sudo apt-get update nidhin@ubuntu:~$ sudo apt-get install skype Reading package lists... Done Building ...
55
votes
2answers
150k views

How do I set the grub timeout and the grub default boot entry?

In Ubuntu 12.04, how do I set the GRUB time and the default OS (that I see at boot time) as I'm dual-booting Windows 7 and Ubuntu 12.04?
114
10
votes
6answers
37k views

Trying to install Steam ERROR: You are missing the following 32-bit libraries, and Steam may not run: not

I've ALready installed Steam But when i click on the program i get this message ERROR- You are missing the following 32-bit libraries, and Steam may not run: not I dont know what to install or EVEN ...
50
votes
8answers
164k views

How to format a USB flash drive?

In Windows there is a straightforward "Format" option in a flash drive's right-click pop-up menu. Where's that in Ubuntu? I understand there's always standard partition management command line stuff ...
70
votes
6answers
50k views

Eclipse menus are cut off or don't show

I'm using Ubuntu 13.10 (with JDK 1.7.0_45). I've downloaded and uncompressed Eclipse Kepler for Java EE Developers. The software menus are messed up. I didn't notice similar problems in other ...
149
102
votes
2answers
66k views

How to add “Open terminal here” to Nautilus' context menu?

I am working on Ubuntu 12.04 64bit. I want to add "Open terminal here" to Nautilus context or right-click menu but it tries to download 32bit version from Internet.
30
votes
16answers
88k views

Shut down computer from keyboard

Is there a keyboard shortcut available to shutdown the computer? I know I can use the Power button, but I would like to be able to it from the keyboard. If such a shortcut does not exist already, ...
50
votes
4answers
95k views

How to run BitTorrent Sync?

I am in Ubuntu 12.04 (precise) 64bit and downloaded the btsync executable from http://labs.bittorrent.com/experiments/sync/ but running it doesn't seem to have any effect. Double-clicking the ...
34
votes
10answers
69k views

How do I add minimize / maximize buttons to GNOME shell windows?

Just installed Ubuntu 12.04, then I did sudo apt-get install gnome-shell and windows have only a close button, how can I enable minimize / maximize? The old gconf-editor doesn't seem to work cause ...