Sudo vs Su – Which One Will Destroy Your System?
Red Hat, RHCSA, Fedora, SUSE, openSUSE.
Most Linux breakages are not malware; they're often due to running the wrong command as root. This video explains how Linux truly protects your system, covering essential concepts like users, groups, sudo explained, and linux permissions. You'll learn best practices for managing access with least privilege and how to navigate the linux terminal safely, ensuring system integrity and preventing accidental damage.
Timeline:
--------------
00:00:28 What is a “User”?
00:01:20 Groups
00:01:56 Superuser access (su vs sudo)
00:03:06 Create / Modify / Delete users (the safe way)
00:05:06 Password policy & /etc/shadow
00:11:18 Practical examples
00:12:31 Performance Tuning Profiles (tuned)
00:14:54 CPU Priority You Control (nice & renice)
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