LPI Linux Certification/Measure and Troubleshoot Resource Usage

Detailed Objectives (200.1)

(LPIC-2 Version 4.5)

Weight: 6

Description: Candidates should be able to measure hardware resource and network bandwidth, identify and troubleshoot resource problems.

Key Knowledge Areas:

• Measure CPU usage
• Measure memory usage
• Measure disk I/O
• Measure network I/O
• Measure firewalling and routing throughput
• Map client bandwidth usage
• Match / correlate system symptoms with likely problems
• Estimate throughput and identify bottlenecks in a system including networking

The following is a partial list of the used files, terms and utilities:

• iostat
• netstat
• w
• top
• sar
• processes blocked on I/O
• blocks out
• vmstat
• pstree, ps
• lsof
• uptime
• swap
• blocks in