linux advanced commands
| command | effect |
|---|---|
| top | View memory |
| df -h | Check disk storage |
| iotop | View disk IO read and write (yum install iotop installation) |
| iotop -o | Directly view higher disk read and write programs |
| netstat -tunlp l grep (Because the vertical bar cannot be typed, use l instead) | Port number to view port occupancy |
| uptime | View report system running time and average load |
| ps to | View process |