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1500 questions
96
votes
5 answers
Turn off error sound on Ubuntu 18.04
How do I turn off the Ubuntu error sound (especially on the terminal) in Ubuntu 18.04?
sam
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95
votes
7 answers
"Dummy Output" No sound in Ubuntu 16.04
None of the HDMI output are working, all saying "dummy output", it was working yesterday, but when I use the headphones it became soundless, with or without the headphones.
Thank you already!
BUBI
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- 1
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95
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
- 1,343
- 3
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95
votes
17 answers
Higher screen resolution for VirtualBox?
I have been trying this for a while but no luck. I installed ubuntu-11.10-desktop-i386 twice. Also installed guest additions. However I always get maximum screen resolution as, 1024 x 768.
Do I need to change anything in /etc/X11/xorg.conf file…
iammilind
- 2,237
- 5
- 27
- 41
95
votes
5 answers
What is the shortcut to move between two Terminator tabs?
When I open Terminator, I can move two Terminator in same tab using Ctrl + Tab.
How to move between two Terminator tabs?
Amila Sampath
- 1,071
- 1
- 8
- 8
95
votes
7 answers
'xclip' vs. 'xsel'
There are two command-line tools (in two different packages) to access the X clipboard:
xclip
xsel
I would love to know the difference between those two and hear a recommendation which one to use in which cases.
Byte Commander
- 105,631
- 46
- 284
- 425
95
votes
11 answers
Uncomplicated Firewall (UFW) is not blocking anything when using Docker
This is my first time setting up an Ubuntu Server (14.04 LTS) and I am having trouble configuring the firewall (UFW).
I only need ssh and http, so I am doing this:
sudo ufw disable
sudo ufw reset
sudo ufw default deny incoming
sudo ufw default…
ESala
- 2,531
- 2
- 13
- 12
95
votes
1 answer
How to bring back minimize and maximize buttons in Gnome 3
I have recently installed Ubuntu Gnome which has the latest version of Gnome 3 running on it, and I have noticed that on windows there are no minimize buttons, and no maximize buttons, although I can see that you do get the options if you do a…
user364819
95
votes
16 answers
"Welcome to emergency mode!" Think it is a fsck problem
My computer booted to a black screen with this error message.
Welcome to emergency mode! After logging in,type "journalctl -xb" to view
system logs, "systemctl reboot" to reboot, "systemctl default" or ^D to
try again to boot into default…
Kim André
- 1,155
- 1
- 9
- 15
95
votes
5 answers
How to get a list of installed packages held back from upgrade?
Recently, I needed to get a list of packages that were installed on my Ubuntu system which were also put on hold for upgrade.
The 'hold' status for a package means that when the operating system is upgraded, the installer will not upgrade these…
pmagunia
- 1,412
- 1
- 11
- 14
95
votes
7 answers
How do I quickly encrypt a file with AES?
I want to encrypt a file using AES-256. How can I do that quickly and easily, and how can I - or someone else -decrypt it again?
Stefano Palazzo
- 85,787
- 45
- 210
- 227
95
votes
5 answers
How can I quickly copy a GPT partition scheme from one hard drive to another?
On a non GPT partition table I can do
sfdisk -d /dev/sda | sfdisk /dev/sdb.
But sfdisk doesn't support GPT partition tables. What can I use instead?
I'm looking for a one or two command solution, not just using GNU parted to output the partition…
Kris Harper
- 13,397
- 12
- 56
- 73
95
votes
11 answers
Making Ctrl+C copy text in gnome-terminal?
Is it possible for me to make Ctrl+C perform a copy command if there is highlighted text in the terminal?
Otherwise, it should retain its normal behavior.
(If there is a terminal that can do this other than gnome-terminal, that's probably fine too.)
user541686
- 4,097
- 10
- 34
- 49
95
votes
5 answers
Redirect port 80 to 8080 and make it work on local machine
I redirected traffic for port 80 to 8080 on my machine with
sudo iptables -A PREROUTING -t nat -p tcp --dport 80 -j REDIRECT --to-ports 8080
It works fine for all the world except my own machine. I am a developer and I need to redirect port 80 to…
Max
- 1,158
- 1
- 8
- 7
95
votes
7 answers
How can I find duplicate photos?
What can I use to find duplicate photos, including photos that have been resized?
ændrük
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