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1500 questions
157
votes
9 answers
What is the terminal command to take a screenshot?
What command(s) can I use in the terminal that's equivalent to the PrtSc (Print Screen) button?
I am running Ubuntu GNOME.
devav2
- 36,312
157
votes
10 answers
Realtime noise-removal with PulseAudio?
Is it possible to do realtime noise-removal with PulseAudio, so the sound output that's coming out is smoother?
Vadim Peretokin
- 3,271
157
votes
6 answers
How to avoid duplicate entries in .bash_history
The same command is listed in my history again and again. How can I avoid this? I know it's possible via HISTCONTROL but I haven't found the right way.
karthick87
- 81,947
157
votes
6 answers
How do I change my timezone to UTC/GMT?
Currently when I execute the date command from bash I get the following displayed
Thu May 17 12:21:00 IST 2012
Below is my timezone config based on executing dpkg-reconfigure tzdata
Current default time zone: 'Europe/Dublin'
Local time is now:…
dmckenna
- 1,673
157
votes
4 answers
ifconfig missing after Ubuntu 18.04 install
I've just installed Ubuntu 18.04 and selected "minimal install". I then tried to run ifconfig in the terminal and got the following message
-bash: ifconfig: command not found
How come the net-tools package is not installed by default any more?
JiiB
- 1,673
157
votes
16 answers
How to make keyboard work like OSX System Wide?
I switch back and forth between two computers constantly:
OSX Snow Leopard
Ubuntu 10.10
I'd like to be able to make Ubuntu use the same keyboard shortcuts as OSX System Wide, for the following keyboard sequences only (ie I don't want to make…
brad parks
- 2,427
156
votes
4 answers
How do I create a PPA?
How do I create my own custom PPA to share with the Ubuntu community? I am trying to create my own custom package set and I would really like to share it with the community.
Jebeld17
- 1,872
156
votes
7 answers
How to install certificates for command line
So in school we need to install a certificate to access https sites. In firefox, I can import the certificate. However, I can't do so with the command line. For example, running git push I get:
fatal: unable to access 'https://github.com/user/repo':…
Universal Electricity
- 1,675
- 2
- 13
- 18
156
votes
5 answers
View history of commands run in terminal
Is there a way to save all my typed terminal commands and view it like history in a log book?
rgr
- 1,909
156
votes
8 answers
How to install PHP `mbstring` extension in Ubuntu?
What is the PHP mbstring extension, and what is the best way to install it on Ubuntu 14.04?
Rohit Bind
- 1,693
- 3
- 11
- 9
156
votes
6 answers
How to show hidden folders in File Manager (Nautilus) on Ubuntu?
How do you show a hidden folder (whose name starts with .) in File Manager a.k.a. Nautilus on Ubuntu? I am somewhat new to Ubuntu and can't seem to find the "view" menu.
Strato1
- 2,120
156
votes
13 answers
How do I optimize the OS for SSDs?
What steps should be taken before/during/after installation of Ubuntu on a Solid State Drive to optimize performance and ensure maximum durability of the drive?
Lars Haugseth
- 1,982
155
votes
8 answers
How can I check dependency list for a deb package
How can I check dependency list for a deb package. I am running Ubuntu 11.10 and I have backed up all deb packages from var/cache/apt/archives. I want to format my pc and re-install selected applications only. Also how can I get the list of…
Vikramjeet
- 5,566
155
votes
3 answers
Process 'niceness' vs. 'priority'
When running top, I can see this (shortened) example output:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
4586 ipc-adm+ 20 0 1303900 605152 92844 S 30,6 29,3 3:52.88 firefox
3985 ipc-adm+ 20 0 258588…
Byte Commander
- 107,489
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