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1500 questions
310
votes
7 answers
How do I find the kernel version, Ubuntu release and disk partition information from the terminal?
Which commands will give me information about following using Terminal?
Kernel Version
Distribution version no.
All partition size of the HDD
KK Patel
- 19,753
309
votes
2 answers
How do I check my version of GNOME-Shell?
There's got to be some simple way I'm missing, but for the life of me I can't find it. How do I check my version of GNOME-Shell?
thimoteus
- 3,535
306
votes
7 answers
ssh: automatically accept keys
I've written this small utility script:
for h in $SERVER_LIST; do ssh $h "uptime"; done
When a new server is added to $SERVER_LIST, the script is stopped with:
The authenticity of host 'blah.blah.blah (10.10.10.10)' can't be established.
RSA key…
Adam Matan
- 12,919
305
votes
24 answers
How can I install software or packages without Internet (offline)?
I have a friend who has got a computer that is not connected to the Internet. Is there any way to install software offline easily?
akshatj
- 13,386
305
votes
10 answers
Is FFmpeg missing from the official repositories in 14.04?
I tried to install ffmpeg in trusty/Ubuntu 14.04 and got the following message:
$sudo apt-get install ffmpeg
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package ffmpeg is not available, but is…
user254877
- 3,061
305
votes
11 answers
How can I configure Unity?
Are there any configuration options for the Unity desktop?
There are multiple valid answers for this question spanning over several versions of Ubuntu. For your convenience an index of each below (How can I tell which Ubuntu release I'm…
tchewning
- 1,441
305
votes
8 answers
mv: Directory not empty
I want to move content of a directory within another directory with the same folders.
Here's an example:
I have ./backup which has the directories base and test. Now, I want to move these directories to ./backupArchives.
I use this:
mv ./backup/*…
UdK
- 3,053
303
votes
14 answers
Where are MTP mounted devices located in the filesystem?
I have an Android phone that connects with my computer via MTP. This works fine; I can see and transfer files with Nautilus. However, I often want to use the terminal to move large numbers of files, and I cannot seem to find the device anywhere in…
bessman
- 7,585
302
votes
6 answers
Where are the Apache and PHP log files?
I've installed Apache, PHP, and MySQL on Ubuntu 10.10 desktop edition, and it's working fine.
Except I have no clue where to look for Apache or PHP log files.
Stann
- 15,416
300
votes
6 answers
How to check RAM size?
What is the command to find the RAM size in my computer? I want to see the result in megabytes (MB).
KonradDos
- 3,281
298
votes
2 answers
Difference between systemctl and service commands
systemd gives us the systemctl commands suite which is mostly used to enable services to start at boot time. We can also start, stop, reload, restart and check status of services with the help of systemctl.
We can do, for example, sudo systemctl…
luv.preet
- 5,997
298
votes
14 answers
How do I change the color for directories with ls in the console?
On my console the color for directories is such a blue, that it is hard to read on a dark background.
How can I change the color definitions for ls?
rubo77
- 34,024
- 52
- 172
- 299
298
votes
5 answers
What is LVM and what is it used for?
As a Linux/Ubuntu newbie, what is LVM and what is it used for?
In terms of a web server installation, what benefits does it provide?
Would you recommend using it?
Matthew Blackford
- 3,185
297
votes
3 answers
How do I run specific sudo commands without a password?
On one particular machine I often need to run sudo commands every now and then.
I am fine with entering password on sudo in most of the cases.
However there are three sudo commands I want to run without entering password:
sudo reboot
sudo shutdown…
BhaveshDiwan
- 11,506
- 10
- 35
- 46
297
votes
47 answers
How to fix "The system is running in low-graphics mode" error?
Note:
This is an attempt to create a canonical question that covers all
instances of "low-graphics mode" error that occurs to a user,
including but not limited to installation of wrong drivers,
incorrect or invalid lightdm greeters, low disk space,…
jokerdino
- 41,732