Centos6.4 升级 centos7.2

来源：互联网发布：java两个时间相减编辑：程序博客网时间：2024/05/20 17:39

1. 查看当前系统版本

[root@uf201102372 ~]# lsb_release -a
LSB Version:    :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch
Distributor ID: CentOS
Description:    CentOS release 6.4 (Final)
Release:        6.4
Codename:       Final
[root@uf201102372 ~]#

2.配置软件源

[upgrade]

name=upgrade

baseurl=http://dev.centos.org/centos/6/upg/x86_64/

enable=1

gpgcheck=0

3. 安装升级工具

yum install redhat-upgrade-tool preupgrade-assistant-contents

4. 预升级检查

[root@uf201102372 soft]# preupg -l
CentOS6_7

5.模拟升级

[root@uf201102372 soft]# preupg -s CentOS6_7

6.引入升级用的key

rpm --import http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-7

7. 升级

centos-upgrade-tool-cli --network 7 --instrepo=http://mirror.centos.org/centos/7/os/x86_64/

强制

centos-upgrade-tool-cli -f --network 7 --instrepo=http://mirror.centos.org/centos/7/os/x86_64/

0 0