Linux cluster Monitoring common commands-Memo

1.load Average

Top

Uptime

2.CPU Utilization

Top

1 Multi-core CPU view

Shift+h using threads to view

-p Specifies the process to view

Top | grep Cpu

3. Disk space remaining

Df

-H output by unit format

Du

-H output by unit format

4. Network traffic

Sar-n DEV 1 1

-N Reporting Network status

DEV View network traffic for each network card

N Interval of seconds

N Take a total of several

5. Disk I/O

Iostat-d-K

6. Memory usage

Free

-M in megabytes

-G in GB

Vmstat [-v] [-n] [delay [count]]

-V indicates print out version information

-n means that the output header information is displayed only once during cyclic output;

Delay is the lag time between two outputs;

Count refers to the number of times that are counted at this interval.

For vmstat output The meaning of each field, you can run man Vmstat view

This article is from the "AUB" blog, make sure to keep this source http://aubdiy.blog.51cto.com/2978849/1576399

Linux cluster Monitoring common commands-Memo