通过yun命令安装sysstat软件包
bash: Iostat: command not found，解决iostat命令找不到的问题
[root@herry ~]# Iostat
-bash: Iostat: command not found
发现iostat命令不存在，这个是在安装 系统 的时候没有选择安装这个功能，需要使用yum 安装一
下安装包sysstat既可：
[root@herry ~]# yum install -y sysstat
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* addons: mirror.neu.edu.cn
* base: mirror.neu.edu.cn
* extras: mirror.neu.edu.cn
* updates: mirror.neu.edu.cn
Setting up Install Process
Resolving Dependencies
--> Running transaction check
---> Package sysstat.i386 0:7.0.2-3.el5_5.1 set to be updated
--> Finished Dependency Resolution
www.2cto.com
Dependencies Resolved
========================================================================
Package Arch Version Repository Size
=========================================================================
Installing:
sysstat i386 7.0.2-3.el5_5.1 updates 170 k
Transaction Summary
=========================================================================
Install 1 Package(s)
Upgrade 0 Package(s)
www.2cto.com
Total download size: 170 k
Downloading Packages:
sysstat-7.0.2-3.el5_5.1.i386.rpm | 170 kB 00:00
updates/gpgkey | 1.5 kB 00:00
Importing GPG key 0xE8562897 "CentOS-5 Key (CentOS 5 Official Signing Key) <centos-5-
key@centos.org>" from /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-5
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : sysstat 1/1
Installed:
sysstat.i386 0:7.0.2-3.el5_5.1 www.2cto.com
Complete!
[root@herry ~]# iostat
avg-cpu: %user %nice %system %iowait %steal %idle
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
[root@herry ~]#
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