Linux admins: stop building reports manually.
Learn how to create practical Bash reporting scripts that collect metrics, generate structured reports, log results, handle failures, and run automatically with cron.
A step-by-step guide with real-world examples.
🔗 https://www.linuxteck.com/learn-to-build-bash-reporting-scripts/
#LinuxTeck #Linux #Bash #SysAdmin #DevOps #Automation #ShellScripting #OpenSource #LinuxLearning
Top 53 Bash Command Hierarchy Interview Questions for Beginners
Learn how Bash resolves commands, how PATH works, command lookup order, aliases, builtins, functions, and interview-focused troubleshooting examples.
📖 https://www.linuxteck.com/bash-command-hierarchy-interview-questions/
In the #shell #functions I should have written years ago category...
LinuxTeck
R.L. Dane 
🍵 
function fedilinktousername {
grep -oE 'https?://[^/]+/@[^/ ]+' |sed -E 's|https?://|@|; s|/@|@|; s/(@[^@]*)(@[^@]*)/\2\1/'
}
function fediusernametolink {
grep -oE '(@[^@ ]+){2}' |sed -E 's|(@[^@ ]+)@([^@ ]+)|https://\2/\1|'
}
rld@Intrepid:~$ clipo
https://polymaths.social/@rl_dane/statuses/01KVJCAG6Y4C1KTGBDBECH2778
rld@Intrepid:~$ clipo |fedilinktousername
@[email protected]
rld@Intrepid:~$ clipo |fedilinktousername |fediusernametolink
https://polymaths.social/@rl_dane
rld@Intrepid:~$
Wildcards and Globbing in Linux made simple.
Learn how to use:
• *
• ?
• [a-z]
• [!]
• Hidden file matching
• Recursive globbing
• Quoting & escaping
Practical examples and best practices included.
Learning Bash scripting for interviews?
Our new guide covers 55 beginner Bash scripting interview questions, including:
✓ Bash fundamentals
✓ Shebang explained
✓ Variables & PATH
✓ User input with read
✓ Quoting rules
✓ Script execution basics
Read here:
https://www.linuxteck.com/bash-scripting-interview-questions-beginners/
Seriously, why didn't I put this in my ~/.bashrc like... YEARS ago? 😆
year=$( date +%Y)
month=$(date +%m)
day=$( date +%d)
How to Parse CSV Files in Bash
CSV processing doesn't always require Python.
Learn how to parse CSV files using Bash with:
✓ IFS
✓ while read loops
✓ awk
✓ arrays
✓ filtering and transformations
A practical Linux guide for sysadmins and automation engineers:
https://www.linuxteck.com/parse-csv-file-in-bash/
#Linux #Bash #ShellScripting #CSV #Automation #DevOps #linuxteck
AWK is one of those Linux tools many people avoid for years - until they discover how much time it saves.
Learn how to extract columns, filter records, process logs, and work with structured text using practical examples.
https://www.linuxteck.com/awk-command-in-linux/
#Linux #AWK #ShellScripting #LinuxTeck #OpenSource #DevOps #SysAdmin
Most Linux users know:
https://www.linuxteck.com/advanced-sed-substitution-file-editing/
sed 's/old/new/'
But advanced sed can do much more.
Backreferences, in-place editing, address ranges, multi-line replacements, and production-friendly file editing workflows.
Using sed at the command line is one thing.
Using sed correctly inside Bash scripts is where many people hit quoting and variable expansion problems.
This guide explains how Bash and sed work together in real automation workflows.
https://www.linuxteck.com/how-bash-uses-sed-for-text-editing/
