User Ulrich Dangel

172 votes

Accepted

Throttle the download speed of wget or curl while downloading

answered May 23, 2012 at 13:00

106 votes

Accepted

What does "3>&1 1>&2 2>&3" do in a script?

bash shell io-redirection file-descriptors

answered Jul 10, 2012 at 13:08

80 votes

Accepted

How to make unix service see environment variables?

environment-variables init-script services

answered Jul 31, 2012 at 12:37

53 votes

Accepted

What does the @ (at) symbol before a filename mean in a curl command?

shell curl

answered Jul 14, 2014 at 14:19

48 votes

Accepted

Save entire process for continuation after reboot

process reboot

answered Jul 24, 2012 at 18:28

46 votes

Accepted

execute bit on directories, but not files

permissions directory chmod

answered May 31, 2012 at 20:04

45 votes

Accepted

Adding two numbers using expr

shell-script

answered Aug 8, 2012 at 4:36

44 votes

Accepted

How can I start a systemd service only after mysql has started?

opensuse systemd

answered Jul 16, 2012 at 20:01

40 votes

Accepted

how can I make cron run a job right now, for testing/debugging? without changing the schedule!

cron debugging

answered Jul 10, 2012 at 11:14

40 votes

Accepted

List only regular files (but not directories) in current directory

shell files ls wildcards

answered Sep 18, 2012 at 7:43

39 votes

Accepted

How to change the contents of a line on the terminal as opposed to writing a new one?

terminal

answered Jul 14, 2012 at 23:35

37 votes

Accepted

How to Navigate within bash's Reverse Search?

bash command-history search

answered May 24, 2012 at 16:50

34 votes

How do you output a list of all man pages in a particular section?

shell man

answered Jul 30, 2012 at 20:33

33 votes

Accepted

using devtmpfs for /dev

kernel linux-kernel devices

answered Jun 2, 2013 at 9:12

32 votes

Accepted

In what situations would a user not let the shell record his command into history?

bash shell command-history

answered Apr 27, 2013 at 10:50

28 votes

Accepted

Why does it take up to several minutes to clean a listening TCP port after a program dies?

networking tcp resources

answered Mar 18, 2013 at 11:29

28 votes

Accepted

How to see package version without install?

debian package-management apt

answered May 24, 2012 at 12:39

27 votes

Accepted

How to Extract Album Cover Image from MP3 file?

bash images mp3

answered Jun 21, 2012 at 14:42

27 votes

Accepted

How to undo sudo add-apt-repository?

linux debian apt package-management lubuntu

answered Jan 8, 2013 at 0:32

24 votes

Accepted

Limiting a specific shell's internet bandwidth usage

networking process bandwidth limit

answered May 26, 2012 at 12:29

24 votes

Accepted

In zsh, difference between cat <(cat) vs cat | cat vs cat =(cat)?

zsh subshell process-substitution

answered Jul 27, 2012 at 1:49

23 votes

Accepted

Allowing a user to use sudo without a password

sudo

answered Jul 15, 2012 at 22:27

23 votes

Accepted

Allow non-admin users to install packages via apt or rpm?

linux package-management sudo software-installation

answered May 29, 2012 at 3:58

23 votes

Accepted

why does sudo work on Linux but not Android?

sudo root android privileges

answered Dec 26, 2012 at 1:22

22 votes

How can I test the RAM for data corruption on an ARM-based system?

linux boot memory arm

answered May 17, 2012 at 19:33

22 votes

Accepted

How does one change the delay that occurs after entering an incorrect password?

answered Jun 16, 2012 at 16:44

21 votes

Accepted

Getting current TCP connection count on a system

networking monitoring tcp

answered Mar 7, 2013 at 10:23

19 votes

Accepted

What is the source of help?

shell

answered Jul 11, 2014 at 13:50

18 votes

Accepted

This file must be edited with the 'visudo' command.?

sudoedit

answered Mar 14, 2013 at 14:39

18 votes

Accepted

How can I connect to a remote X server _without_ ssh?

xorg remote

answered Aug 5, 2012 at 19:49

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232 Answers

Throttle the download speed of wget or curl while downloading

What does "3>&1 1>&2 2>&3" do in a script?

How to make unix service see environment variables?

What does the @ (at) symbol before a filename mean in a curl command?

Save entire process for continuation after reboot

execute bit on directories, but not files

Adding two numbers using expr

How can I start a systemd service only after mysql has started?

how can I make cron run a job right now, for testing/debugging? without changing the schedule!

List only regular files (but not directories) in current directory

How to change the contents of a line on the terminal as opposed to writing a new one?

How to Navigate within bash's Reverse Search?

How do you output a list of all man pages in a particular section?

using devtmpfs for /dev

In what situations would a user not let the shell record his command into history?

Why does it take up to several minutes to clean a listening TCP port after a program dies?

How to see package version without install?

How to Extract Album Cover Image from MP3 file?

How to undo sudo add-apt-repository?

Limiting a specific shell's internet bandwidth usage

In zsh, difference between cat <(cat) vs cat | cat vs cat =(cat)?

Allowing a user to use sudo without a password

Allow non-admin users to install packages via apt or rpm?

why does sudo work on Linux but not Android?

How can I test the RAM for data corruption on an ARM-based system?

How does one change the delay that occurs after entering an incorrect password?

Getting current TCP connection count on a system

What is the source of help?

This file must be edited with the 'visudo' command.?

How can I connect to a remote X server _without_ ssh?