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1500 questions
268
votes
2 answers

How to rename a file in Terminal?

I have: /home/user/my_static /home/user/static/ How do I rename my_static to static and remove static(2)?
user2054574
  • 2,791
267
votes
16 answers

How to Edit PDFs?

I typically have two needs: Scenario A. Change a single PDF page. In this case I have a PDF but not the original source file used to create the PDF. I don't want to try to recreate the document from scratch. I'd like to open the PDF and change a few…
snowguy
  • 6,120
266
votes
30 answers

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 find it buggy.
Peng Wu
  • 7,203
266
votes
1 answer

What do the STAT column values in ps mean?

In the STAT column of ps there are a load of letters that don't really make much sense. What do they mean? Here's an example of ps aux | head: USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND root 1 0.0 0.0 27176 …
Oli
  • 293,335
266
votes
9 answers

tracker-store and tracker-miner-fs eating up my CPU on every startup

Whenever I start my laptop the process tracker-store and tracker-miner-fs eats up my CPU between 30-40% for 10-15 minutes. I am on ubuntu 12.04. What does these processes do? How to get rid of processes?
266
votes
20 answers

Any way to check the clock speed of my processor?

Is there any way to check at which clock speed my processor is running? I have already tried cat /proc/cpuinfo but the clock speed I'm running isn't showing. I know Ubuntu 12.04 (Precise Pangolin) requires 700 MHz and VGA, but will an AMD Mobile…
user1610406
  • 3,105
265
votes
10 answers

How to completely uninstall docker

I followed the uninstall instructions here. Then I ran these commands: sudo apt-get purge docker-engine sudo apt-get autoremove --purge docker-engine rm -rf /var/lib/docker So after I did all this I ran this command to see if docker files are any…
Luke101
  • 2,753
265
votes
12 answers

What PDF viewers are available for Ubuntu?

Every second e-mail I get suggests to download Adobe Acrobat reader, but adobe.com doesn’t provide a Linux version. Which PDF Viewer are there available for Ubuntu? I’m fine with partial solutions, a perfect match however would not only display PDF…
NES
  • 33,195
264
votes
20 answers

Ubuntu 16.04 ssh: sign_and_send_pubkey: signing failed: agent refused operation

I just upgraded my Ubuntu System from 15.10 to 16.04 by completely wiping the Ubuntu 15 partition from my system. After installing Ubuntu 16.04 I recreated my ssh keys as I forgot to back them up, but whenever I attempt to use ssh I get…
Lektonic
  • 2,743
262
votes
12 answers

How do I install the latest version of cmake from the command line?

I am trying to install latest cmake in my linux box and I am always getting the below exception - userName@phx5qa01c-4e23:~/build$ wget http://www.cmake.org/files/v2.8/cmake-2.8.11.tar.gz --2013-10-08 14:39:55-- …
SSH
  • 2,821
261
votes
4 answers

How do I stop Apache2 from automatically starting on boot?

How do I stop Apache2 from automatically starting on boot? I can't seem to find an option that disables the automatic start-up when I turn on the machine.
chip
  • 2,881
261
votes
10 answers

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

In Ubuntu 12.04 (or above), how do I set the GRUB time and the default OS (that I see at boot time) as I'm dual-booting Windows (7/8) and Ubuntu (12.04 or above)?
meteors
  • 2,865
260
votes
10 answers

Can't format Ubuntu installation stick

I've made an USB installer stick from Windows with Ubuntu 16.04 LTS , now I'm trying to format it from Ubuntu. When I try to format I get this error : This partition cannot be modified because it contains a partition table; >please reinitialize…
Nephilim
  • 2,601
260
votes
6 answers

How to understand the Ubuntu file system layout?

In Windows there’re perhaps only a couple of important folders (by important I mean important in my logical picture of the Windows file system) in the installation drive (in my case C:\). Namely Program Files and Windows. I simply stay away from…
Shashank Sawant
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259
votes
3 answers

What Debian version are the different Ubuntu versions based on?

I have some software packages customised for Ubuntu 10.04, 10.10 and 12.10, but now I have to install them on Debian Squeeze. I have been unable to Google for a mapping between specific Ubuntu and Debian versions. Can someone here help?…
xkcd
  • 2,792