System Monitoring
Essential Linux Commands for System Performance Monitoring
Growing in DevOps, together! 🤝 | Associate Software Engineer at Tech Mahindra | Enthusiastic about automation, cloud solutions, and efficient software delivery. | Let's connect, collaborate, and learn from each other!
1. free
free command - already covered in Disk Usage and Management.
2.uptime - System Uptime and Load
Displays how long the system has been running along with the number of active users and system load averages.
uptime
Load average values show CPU load over the last 1, 5, and 15 minutes.
3.vmstat - System Performance Monitoring
Reports on memory, CPU, swap, disk I/O, and system processes.
vmstat 5 10
Displays system statistics every 5 seconds for 10 iterations.
4.iostat - CPU and Disk I/O Statistics
It is a part of the sysstat package, iostat provides detailed CPU and disk usage statistics.
Displays CPU usage statistics every 5 seconds.
iostat -c 5
Shows disk read/write statistics.
Example for disk usage:
iostat -d 5
