411 REFERENCE · Wikibooks
LPI Linux Certification/Measure and Troubleshoot Resource Usage
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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