:* Checking / maintaining smooth operation of the server / workstations (run benchmarks):* Replace defective server / workstation hardware:* Perform computer hardware upgrades:* Install applications:* Upgrade Linux OS / Upgrade applications:* Create / Remove / Suspend Linux computer accounts:* Create / Enforce Acceptable Use Policy of Computer Lab:* Maintain security (from within / outside) the computer lab:* Write programs (including shell scripts) to automate routine tasks