centos 升级 yum

CentOS升级 从 7.6 到 7.7

Posted by admin on 2019-12-20

yum就可以直接更新，不需要自己折腾。

查看内核版本

1
2
cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)

更新yum 源

yum默认的镜像很慢，需要更新国内镜像

1
2
3
4
 cd /etc/yum.repos.d/
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo
cp CentOS-Base.repo CentOS-Base.repo.bak
cp CentOS7-Base-163.repo  CentOS-Base.repo

检查是否可更新到7.7

1
2
3
yum check-update | grep centos-release

       centos-release.x86_64                     7-7.1908.0.el7.centos          base

备份

备份重要文件，准备更新。

更新

1
yum update
1
2
3
4
5
6
7
8
9
（略）
Transaction Summary
=============================================================================================================================================================================
Install    4 Packages (+34 Dependent packages)
Upgrade  558 Packages

Total download size: 813 M
Is this ok [y/d/N]: y

更新完成，会看到Complete!

检查一下：

1
2
cat /etc/redhat-release
         CentOS Linux release 7.7.1908 (Core)

重启

reboot




标签云
centos 升级 yum