Linux System Management-Process management-system Resource View

01. Monitoring System Resource Command = Vmstat [refresh delay Refresh]

Example: Vmstat 2 3: Refresh 2 seconds, refresh 3 times

02, boot-time kernel detection information = DMESG | grep CPU

03. View Memory Usage status = Free-m

04. View CPU Information = Cat/proc/cpuinfo

05. Display system start time and average load (top first row) = Uptime

06. View system and kernel related information = uname [options]

Options:

-A: View all relevant information about the system;

-r: View kernel version

-S: View kernel name

07. Determine the current system's number of bits = File/bin/ls

08, the current Linux system release Version = Lsb_release-a

09. List the information of the process call or open File = = lsof [Options]

Options:

-C string: Only files opened with a process beginning with a string are listed

-u user name: List only files opened by a user's process

-P PID: Lists files opened by a PID process

Linux System Management-Process management-system Resource View