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This article mainly explains "how to use the uptime command of Linux". The content of the explanation is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn how to use the uptime command of Linux.

The Linux common command uptime command can print how long the system has been running and the average load of the system.

Uptime View Linux system load Information

Add that the information that can be displayed by the uptime command is in the following order: the current time, how long the system has been running, how many login users are currently, and the average load of the system in the past 1 minute, 5 minutes and 15 minutes.

Syntax uptime (option) option-V: displays the version information of the directive. The instance uses the uptime command to view the system load:

[root@LinServ-1 ~] # uptime-V # displays uptime command version information procps version 3.2.7 [root@LinServ-1 ~] # uptime 15:31:30 up 127 days, 3:00, 1 user, load average: 0.00,0.00,0.00 display description:

15:31:30 # system current time up 127th days, 3:00 # host has been running time, the more time, the more stable your machine. 1 user # user connections, is the total number of connections rather than the number of users load average: 0.00,0.00,0.00 # system average load, statistics of the last 15 minutes of the average system load, so what is the system average load? The average system load is the average number of processes in the running queue during a specific time interval.

If the number of currently active processes per CPU kernel is not greater than 3, then the performance of the system is good. If the number of tasks per CPU kernel is greater than 5, then the performance of this machine has a serious problem.

If your linux host is a dual-core CPU, when the Load Average is 6, the machine is fully utilized.

Thank you for your reading, the above is the content of "how to use the uptime command of Linux". After the study of this article, I believe you have a deeper understanding of how to use the uptime command of Linux, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!

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