Latest Articles
How to properly update kernel in RHEL/CentOS 7/8 Linux
Steps to update kernel properly in production environment with examples. Precautions to be considered before and after you update kernel in RHEL/CentOS 7 and 8
How to check security updates list & perform linux patch management RHEL
Perform Linux patch management in RHEL 6/7/8 Linux in LIVE production environment. Identify vulnerabilities list and security updates list then apply patch
Create man page in Linux with examples (sample man page template)
Create man page using man page template with groff. Various man page examples to create table, bullet points etc. Create user specific man page in Linux.
How to enable persistent logging in systemd-journald without reboot
Enable persistent logging in systemd-journald by changing storage type to persistent in journald.conf to store logs in /var/log/journal without reboot
journalctl Command in Linux: View, Filter, and Troubleshoot System Logs
Learn how to use the journalctl command in Linux to view, filter, and troubleshoot systemd logs. This practical cheat sheet covers journalctl examples for …