大家好,又见面了,我是你们的朋友全栈君。
一:删除原有的yum
1.查看已经安装的yum
[root@Server-i-09nwynqbbd ~]# rpm -qa |grep yum
yum-3.4.3-161.el7.centos.noarch
yum-utils-1.1.31-54.el7_8.noarch
yum-plugin-fastestmirror-1.1.31-50.el7.noarch
yum-metadata-parser-1.1.4-10.el7.x86_64
2.删除yum包
[root@Server-i-09nwynqbbd ~]# rpm -qa|grep yum|xargs rpm -e --nodeps
3.查看是否删除完毕(未找到yum包则删除完成)
[root@Server-i-09nwynqbbd ~]# rpm -qa |grep yum
[root@Server-i-09nwynqbbd ~]#
二:查看Liunx系统版本
[root@Server-i-09nwynqbbd ~]# uname -an
Linux Server-i-09nwynqbbd 3.10.0-957.el7.x86_64 #1 SMP Thu Nov 8 23:39:32 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
[root@Server-i-09nwynqbbd ~]# cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)
三:下载yum有关的RPM包
[root@Server-i-09nwynqbbd ~]# wget http://mirrors.163.com/centos/7/os/x86_64/Packages/python-iniparse-0.4-9.el7.noarch.rpm
[root@Server-i-09nwynqbbd ~]# wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-168.el7.centos.noarch.rpm
[root@Server-i-09nwynqbbd ~]# wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-utils-1.1.31-54.el7_8.noarch.rpm
[root@Server-i-09nwynqbbd ~]# wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-54.el7_8.noarch.rpm
[root@Server-i-09nwynqbbd ~]# wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm
四:安装下载好的yum有关的RPM包
[root@Server-i-09nwynqbbd ~]# rpm -ivh python-iniparse-0.4-9.el7.noarch.rpm --force --nodeps
[root@Server-i-09nwynqbbd ~]# rpm -ivh yum-* --force --nodeps
[root@Server-i-09nwynqbbd ~]# rpm -qa |grep yum
yum-3.4.3-168.el7.centos.noarch
yum-plugin-fastestmirror-1.1.31-54.el7_8.noarch
yum-utils-1.1.31-54.el7_8.noarch
yum-metadata-parser-1.1.4-10.el7.x86_64
五:查看是否安装完成
[root@Server-i-09nwynqbbd ~]# yum makecache
已加载插件:fastestmirror, product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
Loading mirror speeds from cached hostfile base | 3.6 kB 00:00:00
docker-ce-stable | 3.5 kB 00:00:00
epel | 4.7 kB 00:00:00
extras | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
(1/9): epel/x86_64/prestodelta | 1.5 kB 00:00:00
(2/9): docker-ce-stable/7/x86_64/filelists_db | 29 kB 00:00:00
(3/9): docker-ce-stable/7/x86_64/other_db | 121 kB 00:00:00
(4/9): extras/7/x86_64/filelists_db | 259 kB 00:00:00
(5/9): extras/7/x86_64/other_db | 145 kB 00:00:00
(6/9): updates/7/x86_64/other_db | 829 kB 00:00:00
(7/9): epel/x86_64/other_db | 3.4 MB 00:00:00
(8/9): updates/7/x86_64/filelists_db | 6.6 MB 00:00:01
(9/9): epel/x86_64/filelists_db | 12 MB 00:00:02
元数据缓存已建立
[root@Server-i-09nwynqbbd ~]#
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