Most Popular
1500 questions
100
votes
12 answers
How to play mp3 files from the command line?
I have installed Ubuntu 11.10 server.. so command line only.
I need to be able to play audio (.mp3 & .wav) files via the command line!
I've installed the MPD & Audacious packages... and copied some files to a location specified in the .conf…
user51760
- 1,101
100
votes
4 answers
How do you resize the standard Ubuntu Desktop inside of Virtualbox?
So I've installed Ubuntu inside of Virtualbox, and I resized the window of Virtualbox to be full-size, but the Ubuntu Desktop stays the same standard size. How do I make the width of Ubuntu stretch 100% across the Virtualbox window?
willbeeler
- 1,919
100
votes
2 answers
Systemd logs (`journalctl`) are too large and slow
My journalctl is keeping over 300 MB of logs as revealed by journalctl --disk-usage. Everything appears to be in order when I run journalctl --verify:
$ journalctl --disk-usage
Archived and active journals take up 328.0M on disk.
$ journalctl…
WinEunuuchs2Unix
- 102,282
99
votes
5 answers
How to see log to find a boot problem
I want to find the cause of a boot problem I have tried
ls -ltr /var/log from antony@antony which gives me login incorrect
can someone tell me what command to use to see what has upset the boot thanks
NB when trying some commands from antony@antony…
Antony
- 1,383
- 3
- 14
- 19
99
votes
4 answers
How do I install PostgreSQL 9.6 on any Ubuntu version?
How do I install PostgreSQL 9.6 on any Ubuntu version since it doesn't come by default with the most recent version?
Ubuntu Xenial (16.04) comes with PostgreSQL 9.5 from the default repositories.
Victor
- 9,313
99
votes
17 answers
99
votes
3 answers
What is the difference between "systemctl mask" and "systemctl disable"?
I want to improve the boot time of my Ubuntu GNOME 16.04 by disabling plymouth services when booting up. I've found two answers on how to do it on various websites namely:
# systemctl disable plymouth-quit-wait.service
# systemctl mask…
mhm
- 1,302
99
votes
4 answers
How can I install a package without installing some dependencies?
I'm trying to install the package LaTeXila, and the output looks like this:
$ sudo apt-get install latexila --no-install-recommends
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra…
Alex
- 1,288
99
votes
8 answers
Why doesn't Ubuntu remove old kernels automatically?
I wonder why Ubuntu won't remove the old kernels automatically.
Surely nothing is perfect and things can go wrong, so in case a update doesn't work, having a backup kernel maybe great. But it would also suffice to just keep the latest kernel and…
Registered User
- 9,631
- 14
- 53
- 85
99
votes
6 answers
How to avoid being prompted for a password by sudo?
I know I can become root (super user) via the su command but I have to authorize it after entering the commands. Is there a way I can become root and authorize (with password) in one line
Vader
- 1,382
- 2
- 10
- 18
99
votes
6 answers
What does "No bootable medium found" mean in VirtualBox?
I have recently been trying to install VirtualBox, when this message came up:
No bootable medium found!
Can somebody please tell me what went wrong?
CENTAUR
- 3,249
- 5
- 22
- 30
99
votes
7 answers
How can I find duplicate photos?
What can I use to find duplicate photos, including photos that have been resized?
ændrük
- 76,794
99
votes
5 answers
Reboot a Server from Command Line?
How do I reboot a Ubuntu Server from the command line? sudo reboot now never seems to work for me. Because its a server, I don't have a window manager installed, so I can't do it from a GUI (which always seems to work).
I've had the problem for…
user207039
99
votes
2 answers
What is the purpose of the ssl-cert-snakeoil.key
Right now I installed ubuntu 12.04.3 server which I want to access via ssh. For that reason I created a private key which I moved to
/etc/ssl/private/
I'm just wondering why there already is private key ssl-cert-snakeoil.key in there. Where is…
My-Name-Is
- 1,107
- 1
- 7
- 10
99
votes
4 answers
In virtualbox fullscreen mode, can I disable or move the popup menu bar?
I'm running XP in virtualbox cause I need Photoshop and Illustrator. It works great on my 5 year old laptop which is stunning, but there's a minor annoyance when I go fullscreen.
The menu bar is in the bottom middle, and it pops up over the content.…
joon
- 1,709