Courses
- LFS201: Essentials of Linux System Administration
- Also, I watched few 4-hours Linux System Administrator courses on YouTube
Books
- EN – Linux Pocket Guide – O’REILLY – Daniel J. Barret
- EN – WILEY – Linux Bible – Tenth Edition
- EN – The Linux Command Line – 2nd Edition – William Shotts
- FR – Shell sous Unix/Linux – Sébastien MACCAGNONI
- FR – UBUNTU – Administration d’un système Linux – Yann BARDOT
My Certification
I passed this exam on Ubuntu 18.04
Tips & Questions
After my second try, finally, I become #Linux Foundation Certified System Administrator #LFCS #ITPro #sysadmin
— Ivan Ignatiev (@ivan_ignatiev) April 24, 2021
Additional
I did not try but there are more resources: