We do provide an online training course for those who need it, you can find it on our [Training catalogue](https://lms.cern.ch/ekp/servlet/ekp?PX=N&TEACHREVIEW=N&CID=EKP000043411&TX=FORMAT1&LANGUAGE_TAG=en&DECORATEPAGE=N).
This online course covers various aspects:
* Installation
* CERN Linux distributions
* Using LOCMAP at CERN
* Building Software for Linux
* How to access/administrate AFS files
* How to access/administrate EOS files
* How to access CVMFS
* Why we don't update CentOS package
* How to open a support case in a good way
* CERN tools
* RHEL at CERN and licensing
* How to use journalctl and new systemd tools
* How to use systemd for daily tasks
!!! note
Please note that this is NOT a Linux System Administration course.
**Format:** Online: theory & hands-on
**Target Audience:** Personnel who are running services in the CERN Data Center interested in the operating systems supported at CERN
**Objectives:** To provide a set of recipes commonly needed by people managing Linux systems outside the computer centre
Ideally, you should have completed some of the following trainings available on UDEMY:
* For Absolute Beginners:
*[Linux Mastery: Master the Linux Command Line in 11.5 Hours](https://cern.udemy.com/course/linux-mastery/)
*[Learning Linux Essentials: Taking your first steps in Linux](https://cern.udemy.com/course/learning-linux-essentials-taking-your-first-steps-in-linux/)
* For more Experienced Users:
*[CentOS 7 Linux Server: Alternative to Red Hat Enterprise](https://cern.udemy.com/course/centos-7-linux-server-administration-alternative-to-red-hat-enterprise/)
*[Linux Academy Red Hat Certified Systems Administrator Prep](https://cern.udemy.com/course/linux-academy-red-hat-certified-systems-administrator-prep/)