LPI102: Linux Systems Administration – Entry-level

Kernel

• Managing kernel modules
• Reconfiguring, building and installing a custom kernel and kernel modules

Boot, initialisation, shutdown and runlevels

• Booting the system
• Changing runlevels and shut down or reboot a system

Printing

• Managing local and remote printers and CUPS tools
• Managing printers and print queues

Documentation

• Managing local system documentation
• Finding Linux documentation on the internet
• Notifying users about system related issues

Shells, scripting, programming

• Customising and using the (« bash ») shell environment
• Customising or writing simple scripts
  • Conditional evaluation; file, integer, string and test conditions
  • Expression evaluation
  • Standard I/O
  • Flow control, if / while / for / case and abnormal termination

Administrative tasks

• Managing users, group accounts and related system files
• Tuning user and system environment variables
• Configuring and using system log files to meet administrativeand security needs (syslog)
• Automating system administration tasks by scheduling jobs to run in the future
• Maintaining an effective backup strategy
• Maintaining system time
  • Time synchronisation
  • UTC Universal Time Coordinate

Networking fundementals

• Fundementals of TCP/IP
  • TCP/IP, IP addresses, network classes, network services & commands, routing
• TCP/IP configuration and troubleshooting
  • Network and hardware interfaces
  • Using ifup, ifdown and ifconfig to manage the state of the interface
  • Network configuration files
  • Configuring static and dynamic addressing
  • Configuring network profiles for roaming users
• Configuring Linux as a PPP client (« Point-to-Point Protocol »)
  • Configuring a PPP connection
  • Chat scripts
  • The PPP daemon and setting up a PPP connection

Networking services

• Setting up basic DNS services
• Using a BIND name server (« Berkeley Internet Name Domain »)
• Configuring and managing inetd, xinetd and related services
• Configuring Internet Super server inetd and xinetd
• Securing inetd and xinetd
• Mail Transfer Agents (« MTA »)
  • Definition of an MTA
  • Sendmail, Qmail, Exim, Postfix and basic troubleshooting
• Apache and Apache 2 configuration
• Managing NFS (« Network File System »), smb (« Server Message Block »)and nmb (« NetBIOS Message Block ») daemons
• Samba
• Setting up a secure shell (OpenSSH)
  • Configuring SSH client and server
  • Key based authentication

Security

• Security adminisration tasks
  • System security
  • TCP wrappers
  • Verifying file and package integrity
  • Iptables
  • Nmap
• Setting up Host security
• Setting up user level security

Competency tests throughout the course