Skill · Linux · Administer a Linux server
Automate in the shell and schedule tasks
Write a reliable Bash script (variables, conditions, loops, functions, set -euo pipefail, shellcheck), debug it, then schedule it with cron.
Start lesson 1The Linux domain
- 10 lessons
- ~6 h 00 of reading
- 10 quizzes
- 0 proof lab
The path
Where it comes from, where it leads
What you need to know first, where you stand on this skill, and what it opens next. Your status is computed in your browser, from what you have read and passed.
Before · 1 prerequisite
This skill, for you
Automate in the shell and schedule tasks
Computing
It unlocks · nothing yet
No other skill requires it: it is an end-of-path skill.
The path through the foundations From the most upstream foundation to this skill: what is in place, what remains to read.
Lessons
How to learn it
10 lessons, about ~6 h 00, in program order. Each lesson ends with its quiz.
The program
10 lessons · ~6 h 00
Part 1 · Write Bash scripts 7 lessons · ~3 h 30
- 1Write a Bash shell script: the complete guide· 30 min
- 2Bash variables and parameters· 30 min
- 3Bash conditions: if, tests and case by example· 30 min
- 4Bash loops: for, while and until by example· 30 min
- 5Robust Bash scripts: set -euo pipefail, trap and shellcheck· 30 min
- 6Bash functions: declare, call, return· 30 min
- 7Debug a Bash script: bash -x, set -x, shellcheck· 30 min
Part 2 · Schedule tasks 3 lessons · ~2 h 30
Beyond the lessons
Assess, practise, pass the proof
Reading a lesson confirms nothing. A skill is confirmed by a passed quiz, practised in a guided lab, and put to the test by a challenge or a mission; an imported lab result is not verified by the site.
Assess yourself
10 quizzes
At the end of the lessons: passed at 70%, they confirm the skill.
Practice
3 guided labs
Proof
No proof
Neither a challenge nor a mission with a proof yet.
Placement test
Preparing the questions…
Your answers in detail
For each question asked: your answer, the correct answer, its explanation and the page to reread.
Around it
Who requires it, who teaches it
Required by
- Linux Administrator
- LFCS
- RHCSA (EX200, RHEL 10)
In red: the certification it prepares for.
Taught by
Same block · Administer a Linux server
- Monitor processes and performance
- Configure and troubleshoot a server's network
- Prepare local storage: disks, partitions, file systems and mounting
- Manage logical volumes, software RAID and disk encryption
- Mount network storage: NFS, SMB and iSCSI
- Maintain a server's software and monitor its resources
- Troubleshoot a Linux server