Installation

• installing over a network
• performing a server installation
• creating a multi-boot system
• installing without a cdrom drive
• configuring TFTP netbooting

Software Management

• configuring local and network sources
• searching the local package archive
• setting up a local mirror
• managing packages using aptitude / synaptic
• building binary packages from source packages

Networking

• manually configuring the network interfaces file (including static and dynamic configurations for ethernet and wifi)

Network services

• setting up am iptables firewall
• setting up a DHCP server
• setting up a DNS server
• setting up a TFTP server
• setting up samba and/or NFS

User management

• configuring PAM (on clients) and LDAP (on servers)
• configuring kerberos?
• configuring NIS?

Printing

Disaster management and recovery

• Knowing how to setup RAID
• Designing/implementing a backup scheme

Boot process and Service management

• enabling and disabling services during boot (i.e. configuring runlevels):
  • manually
  • using update-rc.d

Configuring major applications

• configuring the MTA
• configuring the web server
• configuring a proxy server?

Security

• Doing basic security checks
• Knowing how to interpret log files
• Configuring host-based firewalling using iptables and perhaps scripts/gui?

Hardware

Miscellaneous

• configuring locales
• reporting a bug