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1500 questions
108
votes
12 answers

How to find and change the screen DPI?

I am trying to find and then change the screen DPI (dots per inch) setting in 12.04 and 12.10. However, I can't seem to find any app or config file that can do this. Is there any app or conf file for this? Note that this is for 12.04+ so the…
Luis Alvarado
  • 216,643
108
votes
8 answers

How to use the Adobe Source Code Pro font?

Adobe released an open source font family called "Source Code Pro" (download here, Slashdot article here). How do I install it?
January
  • 37,208
108
votes
14 answers

Which tool to crop a portion of the screen?

I can see how to use Gimp to crop part of an image in a image file, but I want to crop a portion of the screen. How do you do that?
Bob Yoplait
  • 1,904
108
votes
17 answers

How to configure extra buttons in Logitech Mouse

Can anyone tell me how to configure all the buttons on a Logitech MX 620 mouse under Ubuntu 12.04? Specifically, I like to make one of them just the Ctrl key (for control clicking webpages) and another one Ctrl+W to close tabs. I also normally make…
Rick
  • 1,491
108
votes
7 answers

How do I find out the name of the SSID I'm connected to from the command line?

Neither iwconfig nor iwlist seem to be able to do this for me.
John Baber-Lucero
  • 2,473
108
votes
4 answers

System program problem detected?

I keep getting, since several days, "System program problem detected" error message: I always clicked on Report problem button but nothing happens. I also run update and upgrade everyday. What causes this ? How to get rid of it ?
Billal BEGUERADJ
  • 6,361
108
votes
1 answer

What is software-properties-common

I have been installing a couple of softwares and I noticed that when you are to install a software from a PPA, the command is usually preceeded with sudo apt-get install software-properties-common I look for why installing this package but I could…
gnsr
  • 1,307
107
votes
4 answers

Where is "journalctl" data stored?

When I issue journalctl I get a massive log of all system services, but where is all this information stored?
php_nub_qq
  • 1,559
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107
votes
2 answers

Failure to download extra data files - ttf-mscorefonts-installer

This is an old problem that deserves a bugfix, but it's getting beyond a joke now and I can't seem to work around it. I keep getting the dreaded failed To download extra data files error in relation to ttf-mscorefonts-installer: Repeatedly asking…
Julie Brandon
  • 1,251
107
votes
6 answers

Possible missing firmware /lib/firmware/i915

I upgraded my laptop to have the 4.8 kernel and during the process the following warnings came up. update-initramfs: Generating /boot/initrd.img-4.8.0-040800-generic W: Possible missing firmware /lib/firmware/i915/kbl_dmc_ver1_01.bin for module…
Malachi
  • 1,397
107
votes
10 answers

How do I install Oracle JDK 6?

Most of the software is not thoroughly tested with Java 7 and I would like to install Oracle's JDK 6.0 on Ubuntu 11.10. Could someone please provide me the instructions for the same?
Praveen Sripati
  • 4,289
107
votes
12 answers

How to remove the Mail icon indicator applet?

I'm wondering how it's possible to remove the little mail indicator applet in the global menu. I've uninstalled all the programs that use it, like Thunderbird, Empathy, and Gwibber, since I don't use any of them, but the icon is still there. Any…
Icedrake
  • 3,725
107
votes
5 answers

Why doesn't running "sudo shutdown now" shut down?

When I issue the following: sudo shutdown now ..my newly commissioned Ubuntu 14.04 server doesn't shut down. It stops with the following message: * Stopping System V runlevel compatibility Give root password for maintenance: (or type Control-D to…
Jon Cage
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  • 8
107
votes
2 answers

How do I kill a locked SSH session?

From time to time, SSH sessions to my servers just freeze up and then neither Ctrl+C nor Ctrl+\ do anything. How do I quit the session without just closing the Terminal it's in? Clarification: The session is locked as in, no keys are transmitted to…
Stefano Palazzo
  • 88,393
107
votes
5 answers

I cannot find .bash_profile in ubuntu

I can't find .bash_profile in Ubuntu 14.04 in my /home/user directory. I used the ls -a command to see the .bash_profile, but there isn't such a file.
Roledenez
  • 1,205
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