Monitor the System Using Unix Utilities

UNIX/LINUX UTILITIES

   Using the sar command to monitor CPU usage

   Using sar and vmstat to monitor paging/swapping

   Using the sar command to monitor disk I/O problems

   Finding the worst user on the system using the top command

   Using the uptime command to monitor the CPU load

   Using the mpstat command to identify CPU bottlenecks

   Combining ps with selected V$ views

   Using iostat to identify disk I/O bottlenecks

   Determining shared memory usage using ipcs

   Monitoring system load using vmstat

   Monitoring disk free space

   Monitoring network performance