07-centos-更改数据源、打补丁、查看内核

本文主要是介绍linux-centos的常用操作

更改数据源

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-6.repo

查看内核

[root@centos02 ~]# uname -a
Linux centos02 2.6.32-642.el6.x86_64 #1 SMP Tue May 10 17:27:01 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
[root@centos02 ~]#
[root@centos02 ~]# uname -m
x86_64
[root@centos02 ~]# hostname #查看主机名
centos02
[root@centos02 ~]# uname -n #查看主机名
centos02
[root@centos02 ~]# cat /etc/redhat-release #查看版本
CentOS release 6.10 (Final)
[root@centos02 ~]#

打补丁

[root@centos02 ~]# yum update
[root@centos02 ~]# yum upgrade