4.1.5 Users, sudo & hardening
Every entry filed under Users, sudo & hardening and its subtopics.
Level
- Beginner 2
- Intermediate 0
- Advanced 1
Kind
- Tutorial 1
- Concept 1
- How-to 1
- Reference 0
- Fix 0
Platform
- Linux 3
- macOS 0
- Windows 0
- Browser 0
3 entries
- 0177 Users, groups and sudo on Debian, Ubuntu and RHEL How Linux accounts and groups work, how to create users, and how sudo gives admin rights through the sudo group on Debian/Ubuntu… Beginner · Concept · Linux Article Users, sudo & hardening 15 Oct 2026
- 0178 Create a sudo user with an SSH key and disable password login A bash script that creates an admin user in the sudo or wheel group, installs their SSH public key and can switch… Advanced · How-to · Linux Script Keys & config · Users, sudo & hardening 15 Oct 2026
- 0249 Set up and harden a fresh Linux server in one afternoon Take a new Ubuntu, Debian or Rocky/Alma server from first login to a safer baseline: sudo admin, SSH keys only, firewall, automatic… Beginner · Tutorial · Linux Article Networking & firewalls · Packages & updates · Users, sudo & hardening 15 Oct 2026