Shell Tips!

@shell_tips@robot.villas

Nicolas Brousse's practical tutorials on Bash, shell scripting, Linux, macOS, and programming tools.

Source: https://www.shell-tips.com/rss.xml

Homepage: https://www.shell-tips.com

Posts

50

Posts

How to Use Bash Loadable Builtins with enable -f #Bash #ShellScripting #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455861
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455861
Don't have an account? Find a server at joinmastodon.org
Aug 24, 2026
How to Check, Lint, Format, and Test a Bash Script #Bash #Linux #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455872
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455872
Don't have an account? Find a server at joinmastodon.org
Aug 19, 2026
Common Bash Error Messages on Linux and macOS (and How to Fix Them) #Linux #Bash #DevOps
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455880
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455880
Don't have an account? Find a server at joinmastodon.org
Mar 27, 2023
How To Do Math and Arithmetic in PowerShell #PowerShell #Scripting #Windows
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455889
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455889
Don't have an account? Find a server at joinmastodon.org
Mar 25, 2023
How To Calculate IP Subnets and Netmasks in Linux and macOS? #Linux #Networking #Bash
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455897
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455897
Don't have an account? Find a server at joinmastodon.org
Mar 25, 2023
Top 10 Bash Pitfalls You Don't Want to Make #Bash #Linux #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455915
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455915
Don't have an account? Find a server at joinmastodon.org
Mar 21, 2023
How to Master String Pattern Matching using Bash Character Classes #Bash #ShellScripting #Linux
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455906
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455906
Don't have an account? Find a server at joinmastodon.org
Mar 21, 2023
Find, Filter, and Count Text: How to become a badass with Grep #Linux #Bash #Grep
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455926
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455926
Don't have an account? Find a server at joinmastodon.org
Dec 22, 2021
How to use Microsoft PowerShell to boost your tasks automation journey #PowerShell #Automation #Scripting
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455935
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455935
Don't have an account? Find a server at joinmastodon.org
Dec 22, 2021
5 Simple Steps On How To Debug a Bash Shell Script #Bash #Scripting #Linux
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455944
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455944
Don't have an account? Find a server at joinmastodon.org
Aug 16, 2020
The Most Useful Bash Shortcuts That You Will Want To Use #Bash #Linux #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456014
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456014
Don't have an account? Find a server at joinmastodon.org
Aug 15, 2020
How To Make A Custom Bash Shell Prompt #Bash #ShellScripting #Linux
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455961
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455961
Don't have an account? Find a server at joinmastodon.org
Aug 15, 2020
A Complete Guide to the Bash Environment Variables #Bash #Linux #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455953
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22455953
Don't have an account? Find a server at joinmastodon.org
Aug 15, 2020
The Complete How To Guide of Bash Functions #Bash #ShellScripting #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456023
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456023
Don't have an account? Find a server at joinmastodon.org
Jul 15, 2020
8 Tips to Get the Most of an Old Windows XP #Windows #Tips #OldTech
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456033
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456033
Don't have an account? Find a server at joinmastodon.org
Jul 14, 2020
How To Create Simple Menu with the Shell Select Loop? #Bash #ShellScripting #Linux
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456042
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456042
Don't have an account? Find a server at joinmastodon.org
Jul 1, 2020
What is the Right Way to do Bash Loops? #Bash #Scripting #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456051
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456051
Don't have an account? Find a server at joinmastodon.org
Jun 28, 2020
What is the Best Way to Count Files in a Directory? #Linux #Bash #Scripting
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456061
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456061
Don't have an account? Find a server at joinmastodon.org
Jun 19, 2020
5 Mistakes To Avoid For Writing High-Quality Bash Comments #Bash #Scripting #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456071
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456071
Don't have an account? Find a server at joinmastodon.org
Jun 5, 2020
How To Script Error Free Bash If Statement? #Bash #Scripting #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456077
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456077
Don't have an account? Find a server at joinmastodon.org
May 27, 2020
What are the Differences Between Vi and Vim? #Linux #Bash #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456086
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456086
Don't have an account? Find a server at joinmastodon.org
May 25, 2020
sudo: no tty present and no askpass program specified #Linux #Bash #Scripting
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456094
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456094
Don't have an account? Find a server at joinmastodon.org
May 23, 2020
What is the Bash Null Command? #Bash #ShellScripting #Linux
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456105
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456105
Don't have an account? Find a server at joinmastodon.org
May 19, 2020
How To Format Date and Time in Linux, macOS, and Bash? #Linux #Bash #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456114
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456114
Don't have an account? Find a server at joinmastodon.org
May 10, 2020
How To Use Option as Meta Key in macOS Terminal? #macOS #Terminal #MetaKey
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456123
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456123
Don't have an account? Find a server at joinmastodon.org
May 5, 2020
How To Change Preferences from the Command Line on macOS? #macOS #CommandLine #Scripting
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456132
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456132
Don't have an account? Find a server at joinmastodon.org
May 4, 2020
What's New in Focal Fossa Ubuntu 20.04 LTS? #Linux #Ubuntu #Bash
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456141
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456141
Don't have an account? Find a server at joinmastodon.org
Apr 24, 2020
How and When to Use the Dot Command in Bash? #Bash #ShellScripting #Linux
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456152
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456152
Don't have an account? Find a server at joinmastodon.org
Apr 12, 2020
Running Bash script with Ubuntu on Windows 10 using WSL #Linux #Bash #Windows
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456161
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456161
Don't have an account? Find a server at joinmastodon.org
Apr 4, 2020
How to Parse a CSV File in Bash? #Bash #Scripting #CSV
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456169
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456169
Don't have an account? Find a server at joinmastodon.org
Mar 16, 2020
Bash Error: Must Use Subscript When Assigning Associative Array #Bash #Programming #Scripting
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456178
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456178
Don't have an account? Find a server at joinmastodon.org
Feb 23, 2020
A Complete Guide on How To Use Bash Arrays #Bash #Scripting #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456187
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456187
Don't have an account? Find a server at joinmastodon.org
Jan 27, 2020
How To Upgrade your Bash Version on Mac OS? #Bash #macOS #ShellScripting
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456197
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456197
Don't have an account? Find a server at joinmastodon.org
Jan 16, 2020
How to Find which macOS version you are running? #macOS #ShellScripting #LinuxTips
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456205
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456205
Don't have an account? Find a server at joinmastodon.org
Sep 1, 2019
What's New in GNU Bash 5? #Bash #ShellScripting #Linux
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456214
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456214
Don't have an account? Find a server at joinmastodon.org
Jan 9, 2019
How To Do Advanced Math Calculation Using bc? #Linux #Bash #Programming
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456224
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456224
Don't have an account? Find a server at joinmastodon.org
Jan 1, 2015
Disown a running shell process and reattach it to a new screen #Linux #Bash #Screen
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456233
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456233
Don't have an account? Find a server at joinmastodon.org
Sep 9, 2014
sudo: sorry, you must have a tty to run sudo #Linux #Bash #Scripting
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456253
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456253
Don't have an account? Find a server at joinmastodon.org
Sep 8, 2014
Redirecting a stdout to a file using sudo and tee #Linux #Bash #Scripting
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456243
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456243
Don't have an account? Find a server at joinmastodon.org
Sep 8, 2014
Download files from a Bash Shell #Bash #ShellScripting #Linux
Boost from your server
Enter the server your account is on. The post opens there so you can boost it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456263
Don't have an account? Find a server at joinmastodon.org
Favorite from your server
Enter the server your account is on. The post opens there so you can favorite it.
Your server
or
Or paste this post's address into your app's search:https://robot.villas/users/shell_tips/posts/22456263
Don't have an account? Find a server at joinmastodon.org
Jul 9, 2011