Administration knowledge/expertise on Linux(RedHat,Debian etc)
Knowledge on KDE, Gnome
Knowledge on installation of Linux on IBM servers/supported hardware.
Configuration and basic troubleshooting of Linux Operating System
Exposure to any of the server monitoring tools 
Knowledge on Logical Volume Manager
Knowledge on Linux Proxy server and monitoring
Normal Startup and Shutdown.
Startup and shutdown of Mc Service Guard Packages
User Account Creation, deletion, modification
Apply Naming Convention, Home Directory, Group Creation as per Policy
User Disabling.
Access rights
Monitor Concurrent Logins / Connections
Monitor Disk space, Processor Utilization, Network Utilization related to server
Base OS Installation
Basic OS troubleshooting
Implementing bug fixes
Backup Operation and Monitoring
Shell scripting
Knowledge Logical Volume Manager
OS backup / and Restoration
Knowledge on System logs / state  and troubleshooting 


Administration knowledge/expertise on Linux
Configuration and basic troubleshooting of mid range HP-UX servers.
Exposure on storage & backup tools
Exposure to any of the server monitoring tools
Exposure on LVM
Knowledge on SAN 
Knowledge on Zoning
Exposure on High Availability Software Administration
Exposure on Proxy Administration 
Exposure on Kernel parameter Tuning
Server Reinstallation and configuration.
Restoring OS from  tar / OS backup
Support during Software Installation.
Configure and install new hardware – AMD dual-core, Intel quad-core, and Intel Xeon
Administer Linux connectivity using Samba and Exceed
Define Account Policy.
Define Password length and Password Age
Define Administrator / Supervisor Password restrictions.
Managing Disk space, Processor Utilization, Network Utilization related to server
Volume group Management
File system Administration
Analysis of log files 
Root Cause Analysis
Problem Management
Backup Configuration
Performance management for Disk / Storage / Switches
Restoration Drill
Patch Management  (Update  / Preview / Rollback)
OS hardening
OS Troubleshooting
Implementing Changes 
Scripting and Automation
Linux Security Policies
Exposure on SAN 
Exposure on File system Management
Volume Management
Cluster Administration (VERITAS, anyone supported by Linux )