linux monitor cpu usage

These days I have been studying shell scripts and writing some system load and CPU monitoring script programs. Without nagios monitoring software, as long as the server can access the Internet, you can send an email to remind the administrator of

Without nagios monitoring software, as long as the server can access the Internet, you can send an email to remind the administrator of the system load and CPU usage. 1. Install a mail client msmtp software (similar to a foxmail tool) in linux) 1.

Meaning of cpu usage in linux top Command, linuxtop Meaning of cpu usage in linux top Command[Respect for original articles from: http://www.iteye.com/topic/1110848]CPU usage of 0.3% us user space1.0% sy CPU usage in kernel space0.0% percentage of

With the increasing popularity of Linux applications, a large number of network servers use the Linux operating system. To fully measure the network running status, you need to make more detailed and accurate measurements on the network status. The

In the absence of nagios monitoring software, as long as the server can be on the Internet, you can send mail to remind the Administrator system load and CPU usage. First, install the following Linux mail client msmtp software (similar to a

Partial reprint 51942281The iostat command is used to monitor system input and CPU usage. It is characterized by the reporting of disk activity statistics, as well as the reporting of CPU usage. like Vmstat, Iostat also has a weakness, that is, it

The Linux kernel is a great circus performer who plays juggling carefully between process and system resources and keeps the system running properly. At the same time, the kernel is fair: it allocates resources equitably to processes. But what if

In Linux, you can view CPU and memory usage during system maintenance. you may need to view CPU usage at any time and analyze the system status based on the relevant information. In CentOS, you can use the top command to view CPU usage. After

CPU of Linux system and performance monitoringPerformance optimization is the process of finding bottlenecks in system processing and removing them. This article was translated by sanotes.net webmaster Tonnyom in August 2009 from the Linux System

Linux command ---- analyze CPU bottlenecks to measure CPU performance indicators: 1. CPU usage; CPU running regular user processes CPU running nicedprocessCPU running real-time processes 2. CPU usage; for IO management: interrupt and driver for