disk utilization linux command

Disk I/O monitoring is a very important part of unix/linux system management. It can monitor the throughput, the number of I/O per second, disk utilization, service time and other information, and when the exception is found, send alarm information

first section CPU utilization and CPU load Under Linux/unix, CPU utilization (CPU utilization) is divided into user state, System State and idle state, respectively, the CPU is in user state execution time, system kernel execution time, and idle

1. Monitor CPU utilization (via Vmstat tool)#!/bin/bash#====================================================# Author:lizhenliang-email:[email Protected]# Create DATE:2015-02-01# DESCRIPTION:CPU Utilization Monitor# blog:lizhenliang.blog.51cto.com#===

Under Linux/unix, CPU utilization (CPU utilization) is divided into user state, System State and idle state, respectively, the CPU is in user state execution time, system kernel execution time, and idle system process execution time. Usually

Article Title: how to obtain cpu utilization in linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. "The

Disk Arrays, short for RAID (redundantparrayspofpinexpensivepdisks), refer to "cheap and redundant disk arrays. The principle is to use arrays as disk groups and use them in combination with the Design of Distributed Data arrangement to improve data

"The proc file system is a pseudo file system, which only exists in the memory and does not occupy the external storage space. It provides interfaces for accessing system kernel data in the form of a file system. Users and applications can obtain

1 Concepts related to disk partitioning1.1 What is a diskThe disk is the computer's external memory device, the round magnetic disc is installed in a square sealed box, the purpose is to prevent the disk surface scratches, resulting in data loss.

This article is from the "Stones" blog, it is important to keep this source http://pengyl.blog.51cto.com/5591604/11789521, Linux on how to represent hard disk and partition hard disk partition including primary partition, extended partition, logical

Liunx view the commands for performance (top and glance) Top command for Linux The top command is a commonly used performance analysis tool under Linux to display the resource consumption status of each process in real time, similar to the Task