centos6下无法使用lsof命令"-bash: lsof: command not found"

1. 问题描述
在centos下, 无法使用命令lsof, 出现以下信息:
# lsof -i:3690
-bash: lsof: command not found
2. 解决方法
我们可以通过yum来安装:
# yum install lsof
本人操作如下:
# yum install lsof
Loaded plugins: fastestmirror
Setting up Install Process
Loading mirror speeds from cached hostfile
* base: mirrors.163.com
* epel: ftp.cuhk.edu.hk
* extras: mirrors.aliyun.com
* updates: mirrors.163.com
Resolving Dependencies
--> Running transaction check
---> Package lsof.x86_64 0:4.82-4.el6 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
lsof x86_64 4.82-4.el6 base 319 k

Transaction Summary
================================================================================
Install 1 Package(s)

Total download size: 319 k
Installed size: 890 k
Is this ok [y/N]: y
Downloading Packages:
lsof-4.82-4.el6.x86_64.rpm | 319 kB 00:00
Running rpm_check_debug
Running Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : lsof-4.82-4.el6.x86_64 1/1
Verifying : lsof-4.82-4.el6.x86_64 1/1

Installed:
lsof.x86_64 0:4.82-4.el6

Complete!
3. lsof 的常用几个命令
lsof -i:(端口号)
如,
lsof -i:3306 (3306默认是mysql服务端的端口)
lsof -i:3690 (3690默认是svn服务端的端口)

OK, Enjoy it!!!