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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?

Gaurav Agarwal
- 11,623
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
- 2,889
- 5
- 19
- 23
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