🐧 Linux System Administration

• OS Info
  • Checking OS information
  • Passwords
  • Users
  • Groups
  • Sudo
  • Updates and installs
  • Binaries
  • Crontab and automated tasks
  • Misc.
    • .bashrc
    • /tmp
    • env
    • SUID/SGID
• Services
  • Enable/disable services
  • Common services
  • Ports based on service
  • Service files
• Hardening
  • General hardening
  • Service Hardening
    • SSH
    • Apache2
    • MySQL
  • IPTables/Firewall
  • Fail2Ban IP Lockouts
• Logging
  • Application logs
  • Auditd
• Incident Response
  • Network connections
  • Running processes
  • Log analysis
• Security Checklist
  • This is the "help I didn't read anything that was sent so now I'm going in completely blind and I don't know what to do" guide
• Hardening2