Here are five common commands to use when simply testing your VPS!

1、top

2、cat /proc/cpuinfo

3、cat /proc/meminfo

4、df -hal

5、dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync

1.top

The ‘TOP’ command is used to show the real time CPU usage. It list all tasks which uses CPU.it refresh automatically every 5 seconds.

The ‘TOP’ command allows user sort the tasks by PID, TIME, CPU usage, etc and so on!

The ‘load average’ shows the total resources used. It should be generally below 5 for most personal wordpress website.

The third line shows CPU usage percent. The ‘wa’ shows the hard disk status. Generally, CPU should not exceed 30%.  The ‘wa’ percentage over 30% is also a dangerous signal.

The fourth line shows RAM used, total RAM and free RAM storage.

Type Ctrl+C or q to exit ‘top’ command.

2.cat /proc/cpuinfo

3.cat /proc/meminfo

you can use it to view mem information.of course，You can still use “free -m” 

4.df -hal

5.dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync