Greatest Hits

9
votes
2answers
98k views

Install iTunes on Ubuntu

I've always been an Ubuntu lover, but the only thing that holds me back from installing ubuntu on my laptop is iTunes. I have an iPad and an iPod touch and managing them without itunes is almost next ...
283
63
votes
7answers
215k views

How can I install on a non-PAE CPU? (error “Kernel requires features not present on the CPU: PAE”)

After burning Ubuntu 12.04 to a CD, I tried booting and got the message: This kernel requires the following features not present on the CPU: pae Unable to boot - please use a kernel appropriate for ...
46
votes
4answers
315k views

How do I start/stop mysql server?

I try find in internet some article where describe how correct start -stop mysql server. I find this article: How to start/stop MySql server on Ubuntu 8.04 | Abhi's Blogging World I run this ...
115
58
votes
8answers
125k views

How to clear bash history completely?

I want to clear all before command from history of my server. I use history -c it seems all things are cleared but when I ssh to the server,all commands are still there. How can I clear them ...
151
votes
5answers
233k views

How do I change the hostname without a restart?

I want to change the OS hostname but I do not want to restart. I have edited /etc/hostname but it requires a restart to get implemented. How to avoid this?
14
votes
3answers
119k views

How do I turn off the firewall in Ubuntu 12.04?

How do I turn off the firewall in Ubuntu 12.04? Thanks for the answers. The reason for turning it off was twofold: I often cannot make a wireless connectin to internet and get the server is unable to ...
234
187
votes
3answers
261k views

Can I move the Unity launcher?

I can’t get used to the new Unity system. I’d like to move the left Unity panel to the bottom of screen (like Windows 7 – more similar is better). But I can't find a way. Is it possible?
58
votes
7answers
133k views

How to check Internet Speed via Terminal?

Instead of going to sites like speedtest.net, or others, I want to check my current internet speed from the terminal on 11.10. How can I do it?
21
votes
3answers
196k views

How to start GUI from command line?

I've installed the following version of ubuntu om my machine. ubuntu-12.04-desktop-i386.iso But when I switch on the computer, I get command line. Ubuntu 12.04 LTS COMP-1245 tty1 Once I ...
30
votes
6answers
58k views

Stuck at 'VMware easy install'

I have a Mac OS X and VMware Fusion. I did a fresh install of 12.04. I do not have VMware Tools installed. I read that I do not have to log in at the command window, that I have to wait for ...
132
votes
6answers
77k views

How can I install Adobe AIR?

I am a heavy user of certain applications that are built on AIR. It appears that AIR has discontinued support for Linux. Even the older versions in the Adobe AIR Archives seem to support only 32 bit ...
139
votes
9answers
202k views

How to run scripts on start up?

I was wondering how to run scripts when my computer starts up so I don't have to run scripts manually that I always run?
31
votes
10answers
249k views

How to solve 'Connection refused' errors in SSH connection?

I have an Ubuntu Server 10.10 32-bit in my home. I'm making SSH connections to it from my PC via Putty. The problem is, sometimes I'm able to login seamlessly. However, sometimes it gives me an error ...
224
18
votes
3answers
174k views

How to change root password for mysql and phpmyadmin

I've set up mysql and phpmyadmin and chose not to set a password when installing hoping that once set up i could login with root and no password but i get the following error from phpmyadmin: Login ...
21
votes
6answers
67k views

The system is running in low-graphics mode error in “Virtualbox”

I faced a "The system is running in low-graphics mode error" like the on in this question How to fix "The system is running in low-graphics mode" error? This happened in Virtualbox! I'll ...
9
votes
5answers
59k views

How to enable ssh root access on Ubuntu 14.04

I´d like to enable the ssh root access on Ubuntu 14.04. Editing the /etc/ssh_config (PermitRootLogin yes) didn't affect anything.
131
votes
13answers
99k views

How do I free up more space in /boot?

My /boot partition is nearly full and I get a warning every time I reboot my system. I already deleted old kernel packages (linux-headers...), actually I did that to install a newer kernel version ...
25
votes
2answers
101k views

How do I install drivers for the Atheros AR8161 Ethernet controller?

I have installed Ubuntu 12.04-64 bit on my Lenovo IdeaPad laptop, and the wired Ethernet (LAN) connection doesn't work. Running the lspci -vv | grep Atheros command from the terminal shows me I have ...
62
votes
5answers
194k views

How do I install Adobe Acrobat Reader?

I am new to Ubuntu, but I believe I have Ubuntu 11.10 installed correctly. I am trying to install Acroread using AdbeRdr9.4.6-1_i386linux_enu.deb that I downloaded from the Adobe web site. How do I ...
38
votes
6answers
68k views

Problems with Eclipse and Android SDK

I installed Eclipse, openjdk6 and downloaded and extracted the sdk manager file. Now, When I created an Android project I got the following error: 2012-06-06 18:44:40 - contactManager] ...
206
votes
11answers
147k views

“The following packages have been kept back:” Why and how do I solve it?

I just added a PPA repository for the development version of the GIMP, but I get this error The following packages have been kept back: gimp gimp-data libgegl-0.0-0 libgimp2.0 Why and how can I ...
106
votes
3answers
211k views

What does “cp: omitting directory” mean?

I've issued the following command: sudo cp ~/Transfers/ZendFramework-1.11.4-minimal/library/Zend/* ~/public_html/cmsk.dev/library/ When I do this, I start getting the following messages: cp: ...
227
31
votes
8answers
116k views

How to install NVIDIA.run?

I have a Nvidia Ge force Ge6150 SE graphics card. I am running ubuntu 12.04. When I try to install the .run file it fails. It shows the message like this: I Itried to install it after ...
70
votes
7answers
98k 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 ...
21
votes
8answers
53k views

How do I install Adobe Acrobat Reader from the repository?

How do I install Adobe Acrobat Reader in Ubuntu 14.04 using a Trusty apt repository? This is NOT a duplicate of How do I install Adobe Acrobat Reader?. In Synaptic > Repositories > Other ...
59
votes
12answers
161k 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 ...
42
votes
3answers
61k views

Cannot install Ubuntu in VirtualBox due to “this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot” error

I was trying to install Ubuntu 12.04 in VirtualBox 4.2.12r84980. I see this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot But I am using a 64 bit Windows 8, and ...
17
votes
15answers
91k views

No sound in Ubuntu except at log in

I installed Ubuntu 12.04 a month ago and am using it till now. I failed to notice that all this time there was no sound at all while running Ubuntu, even while playing a game in Wine. The weird thing ...
62
votes
16answers
78k views

How to disable the touchpad?

I want my touchpad to be disabled when I use my mouse. How can I do that? touchpad-indicator has stopped working on 11.10. It used to work on 11.04. Gnome3 is not a solution as I don't like it and ...
324
50
votes
9answers
161k views

How to mount an ISO file?

I'm running into trouble trying to mount a large iso: dev@dev-OptiPlex-745:~$ sudo mount -o loop /home/dev/Hämtningar/matlab2011a_64.iso /cdrom mount: warning: /cdrom seems to be mounted read-only. ...
187
72
votes
15answers
157k views

Higher screen resolution in VirtualBox?

I've just installed Ubuntu 10.04 into VirtualBox on Windows 7. Unfortunately the only options showing for screen resolution are 640x480 and 800x600 and the monitor is showing as 'Unknown'. How ...
68
votes
5answers
38k views

No Dropbox icon in the indicator panel?

I have recently installed Ubuntu on my machine and everything has been working fine, except I don't see the Dropbox indicator. I have installed and re-installed Dropbox multiple times and can confirm ...
22
votes
3answers
154k views

How to setup static IP in Ubuntu Server 12.04?

sudo apt-get update sudo apt-get upgrade ifconfig sudo nano /etc/network/interfaces auto eth0 iface eth0 inet static address 192.168.1.150 netmask 255.255.255.0 network 192.168.2.0 broadcast ...
23
votes
2answers
82k views

How to uninstall Google Chrome?

I decided to try out Google Chrome and see if it was any different from Chromium, but now I can't figure out how to uninstall it. That's what I have installed. How to get rid of it is the question.
17
votes
5answers
130k views

Kernel requires an x86-64 CPU, but only detected an i686 CPU. How can I install Lubuntu/Ubuntu?

I'm trying to install Lubuntu on my laptop (sorta old 2005). [Laptop stats: Intel® Celeron® CPU 410 @ 1.46 GHz 1.47GHz, 448 MB of RAM] I press Install and this message appears: This kernel requires ...
12
votes
4answers
184k views

How do I login as root?

I want to login as root, but when I enter sudo -s and enter password, this message is shown: "you are not in sudoers file", and when I enter su and enter password, this is shown: ...
191
54
votes
23answers
94k views

How to fix Duplicate sources.list entry?

I keep getting this warning whenever I try to run sudo apt-get update. W: Duplicate sources.list entry http://archive.ubuntu.com/ubuntu/ precise-updates/main i386 Packages ...
58
votes
4answers
118k views

How to install gcc-4.8

I checked the gcc version on my system. It is currently at 4.6.3. I read that gcc-4.8 is out. I tried the following commands without success: sudo apt-get install gcc (gcc is already the newest ...
31
votes
8answers
124k views

How to install vmware tools?

I installed my Ubuntu in vmware, no I need install vmware tools, I got error: Searching for a valid kernel header path... The path "" is not valid. Would you like to change it?[yes] In ...
92
votes
7answers
252k views

How can I restart x-server from the command line?

How can I restart x-server from the command line? I'd really like to be able to restart my gui without having to do a full system reboot.
186
votes
5answers
170k views

What is the 'whoopsie' process and how can I remove it?

On one of my machines I have a process running called "whoopsie". I'm running 12.04 server and never specifically installed anything with this name. Google seems to imply that it has something to ...
22
votes
1answer
116k views

How to solve jitter (or stutter) playback via Chrome flash plugin?

Since the update to 12.04, there's been a problem specifically related to audio/video playback in Google Chrome. The problem only affected the Google version but not the Chromium nor the Firefox ...
138
votes
9answers
129k views

How can I suspend/hibernate from command line?

How can I suspend or hibernate my laptop using command line, without installing additional software?
29
votes
3answers
214k 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. ...
47
votes
16answers
127k views

How to install Internet Explorer (multiple versions)?

I am developing one site which has chat feature in Rails. I am using Ubuntu 12.04 LTS. I need to check that the site is IE9 because the chat feature using socket io of HTML5. I want to know that how ...
44
votes
6answers
93k views

How can I use Chromecast

I just saw the video about Chromecast and I am interested in knowing how can I enable this on my Ubuntu PC. My TV has an HDMI port.
17
votes
1answer
58k views

How to get gnome shell 3.12 on ubuntu 14.04

I know there is a distro for ubuntu dedicated to gnome and I know ubuntu 14.04 comes with gnome 3.10. But I am wondering what the steps are to: Install the ppas for gnome 3.12 install gnome 3.12 ...
66
184
votes
10answers
94k views

How can I remove Amazon search results from the dash or disable the feature?

How can I disable Amazon search results in the Unity dash?
56
votes
15answers
141k 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.
17
votes
5answers
204k views

How does one exit the X server?

The command sudo service gdm stop would successfully disable the X server in Ubuntu 11.04 temporarily. However, this same command no longer works in Ubuntu 11.10, because "gdm" is an "unrecognized ...