In this chapter, we will cover the following recipes:
- Monitoring disk usage
- Calculating the execution time for a command
- Collecting information about logged in users, boot logs, and boot failures
- Listing the top ten CPU– consuming processes in an hour
- Monitoring command outputs with watch
- Logging access to files and directories
- Logging with syslog
- Managing log files with logrotate
- Monitoring user logins to find intruders
- Monitoring remote disk usage health
- Determining active user hours on a system
- Measuring and optimizing power usage
- Monitoring disk activity
- Checking disks and filesystems for errors
- Examining disk health
- Getting disk statistics
