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1500 questions
157
votes
4 answers
What do the various dpkg flags like 'ii' 'rc' mean?
I frequently need to check which packages are installed, and I use the following command:
dpkg -l | grep foo
which gives the following output
Desired=Unknown/Install/Remove/Purge/Hold
|…
theTuxRacer
- 16,533
156
votes
6 answers
How to show seconds on the clock in GNOME 3?
Is it possible to show the seconds on the clock in GNOME 3?
Riki137
- 3,651
156
votes
6 answers
How do I set a custom resolution?
I tried to use xrandr to set 1680x1050 as a new mode to VGA output, but it says:
sudo xrandr --addmode VGA-0 1680
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 140 (RANDR)
Minor opcode of failed…
user216356
- 1,561
156
votes
4 answers
What does "${debian_chroot:+($debian_chroot)}" do in my terminal prompt?
In my terminal prompt definition in my .bashrc file, among other things, I have this snippet of code:
${debian_chroot:+($debian_chroot)}
What does this do, and do I need it?
fouric
- 4,698
156
votes
8 answers
Use path bar and address bar in Nautilus
By default, Nautilus use/show the path bar:
Using Ubuntu Tweak I managed to set by default the address bar:
Is it possible to set both of them as default (show both: the buttons and the text input)?
Note: I know that I can use Ctrl+L to switch…
Radu Rădeanu
- 174,089
- 51
- 332
- 407
156
votes
4 answers
What is the difference between dpkg and aptitude/apt-get?
When installing a software via dpkg -i packageA.deb, will the dependencies required by packageA be downloaded and installed automatically? How is this different from using apt-get or aptitude?
Aniket Thakur
- 4,267
- 3
- 27
- 25
156
votes
6 answers
Make Command Not Found
I am having a problem that doesn't seem to be common based on searching various forums.
I cannot run the Make command.
Message:
The program 'make' is currently not installed. You can install it by typing:
sudo apt-get install make
So do this:
sudo…
snoopdogg
- 1,561
155
votes
4 answers
How to remove a user from a group?
I added a user account to the admin group and discovered I added wrong user. So I now have to remove the account from the admin group.
How can I remove an account from a group without deleting the user?
Eonil
- 2,101
155
votes
1 answer
How do I install Ubuntu on a VirtualBox client from an ISO image?
I have the ISO image file (that is, *.iso) and I am trying to boot my VirtualBox installation with this image. Is it possible? I know how to mount my ISO image to my filesystem (on my host machine), but I don't think VirtualBox boots an OS from a…
deostroll
- 1,769
155
votes
6 answers
Where are the Unity Launcher .desktop files?
I'd like to know which folder the Unity Launcher .desktop files are stored in, as they're not anymore in /.gconf/desktop and I need to add a custom application to the launcher bar (adding it in /usr/share/applications doesn't seem to be enough).…
Tigull
- 3,591
155
votes
13 answers
Is there a way to disable a laptop's internal keyboard?
A week ago, I spilt the contents of my cup onto my laptop keyboard. Half of the keys no longer work, except one! The letter Q which is very active regularly.
This is very disturbing as I work.
Is there a way to disable the internal keyboard of a…
atmon3r
- 1,663
155
votes
4 answers
How can I recursively search for directory names with a particular string where the string is only part of the directory name
How can I recursively search for directory names with a particular string where the string is only part of the directory name?
For example:
the directory name is "8.0.3-99966_en", but I want to recursively search for directories with the string…
Bob Perez
- 1,651
155
votes
20 answers
Brightness is reset to maximum on every restart
The brightness of my laptop is reset to max on every restart. I tried the solution provided at this website but had no luck.
This command
cat /sys/class/backlight/acpi_video0/max_brightness
Returns
cat:…
b-ak
- 4,420
155
votes
12 answers
Why does Ubuntu Download recommend 32-bit install?
Update for 13.10: 64-bit version is now the default and 32-bit is labelled "for machines with less than 2GB RAM"
The Ubuntu desktop download screen has a pair of radio buttons you use to select whether you wish to download the 32-bit or 64-bit…
Warren Pena
- 2,085
154
votes
7 answers
How can I restore configuration files?
I would like to restore LightDM to its default state, because for some reason
/etc/lightdm/unity-greeter.conf is now an empty file.
Deleting /etc/lightdm/unity-greeter.conf and then running sudo apt-get install --reinstall unity-greeter doesn't…
Isaiah
- 60,750