这篇文章主要介绍“Redhat7怎么使用CentOS7的Yum网络源”，在日常操作中，相信很多人在Redhat7怎么使用CentOS7的Yum网络源问题上存在疑惑，小编查阅了各式资料，整理出简单好用的操作方法，希望对大家解答”Redhat7怎么使用CentOS7的Yum网络源”的疑惑有所帮助！接下来，请跟着小编一起来学习吧！
1、首先查看redhat 7.0系统本身所安装的那些yum 软件包：
[root@linuxprobe ~]# rpm -qa | grep yumyum-utils-1.1.31-24.el7.noarch yum-langpacks-0.4.2-3.el7.noarch yum-metadata-parser-1.1.4-10.el7.x86_64 yum-rhn-plugin-2.0.1-4.el7.noarch PackageKit-yum-0.8.9-11.el7.x86_64 yum-3.4.3-118.el7.noarch
2、卸载这些软件包；
[root@linuxprobe ~]# rpm -e yum-3.4.3-118.el7.noarch --nodeps[root@linuxprobe ~]# rpm -e yum-utils-1.1.31-24.el7.noarch --nodeps[root@linuxprobe ~]# rpm -e yum-rhn-plugin-2.0.1-4.el7.noarch --nodeps[root@linuxprobe ~]# rpm -e yum-metadata-parser-1.1.4-10.el7.x86_64 --nodeps[root@linuxprobe ~]# rpm -e yum-langpacks-0.4.2-3.el7.noarch --nodeps[root@linuxprobe ~]# rpm -e PackageKit-yum-0.8.9-11.el7.x86_64 --nodeps
3、保证本机电脑能上网；
[root@linuxprobe ~]# ping www.baidu.comPING www.a.shifen.com (61.135.169.121) 56(84) bytes of data. 64 bytes from 61.135.169.121: icmp_seq=1 ttl=53 time=31.8 ms 64 bytes from 61.135.169.121: icmp_seq=2 ttl=53 time=31.9 ms 64 bytes from 61.135.169.121: icmp_seq=3 ttl=53 time=32.0 ms
4、进入以下网站上面查看软件包的版本是否升级或者找到自己系统所对应的文件包版本更新；
网易163网络源地址：http://mirrors.163.com/ CentOS网络源地址：http://centos.ustc.edu.cn/centos/
5、找到自己所需要的版本下载：
[root@Linuxprobe ~]# wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-118.el7.centos.noarch.rpm--2016-01-17 20:43:15-- http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-118.el7.centos.noarch.rpm Resolving mirrors.163.com (mirrors.163.com)... 123.58.173.185, 123.58.173.186 Connecting to mirrors.163.com (mirrors.163.com)|123.58.173.185|:80... connected. HTTP request sent, awaiting response... 404 Not Found 2016-01-17 20:43:15 ERROR 404: Not Found. //如果找不到，是安装包更新了，你可以到这个网站http://mirrors.163.com/centos/7/os/x86_64/Packages/复制下载链接，然后再下载下来； [root@linuxprobe ~]# wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-3.4.3-132.el7.centos.0.1.noarch.rpm[root@linuxprobe ~]# wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-metadata-parser-1.1.4-10.el7.x86_64.rpm[root@linuxprobe ~]# wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-utils-1.1.31-34.el7.noarch.rpm [root@linuxprobe ~]# wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-updateonboot-1.1.31-34.el7.noarch.rpm[root@linuxprobe ~]# wget http://mirrors.163.com/centos/7/os/x86_64/Packages/yum-plugin-fastestmirror-1.1.31-34.el7.noarch.rpm
6、查看下载完成结果；
[root@linuxprobe ~]# lsyum-3.4.3-132.el7.centos.0.1.noarch.rpm yum-metadata-parser-1.1.4-10.el7.x86_64.rpm yum-plugin-fastestmirror-1.1.31-34.el7.noarch.rpm yum-updateonboot-1.1.31-34.el7.noarch.rpm yum-utils-1.1.31-34.el7.noarch.rpm
7、安装软件包：
[root@Linuxprobe ~]# rpm -ivh yum-*warning: yum-3.4.3-132.el7.centos.0.1.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY Preparing... ################################# [100%]Updating / installing... 1:yum-metadata-parser-1.1.4-10.el7 ################################# [ 20%]2:yum-plugin-fastestmirror-1.1.31-3 ################################# [ 40%]3:yum-3.4.3-132.el7.centos.0.1 ################################# [ 60%]4:yum-updateonboot-1.1.31-34.el7 ################################# [ 80%]5:yum-utils-1.1.31-34.el7 ################################# [100%]
8、新建repo 配置文件；
[root@linuxprobe ~]# vim /etc/yum.repos.d/CentOS-Base.repo#CentOS-Base.repo## The mirror system uses the connecting IP address of the client and the# update status of each mirror to pick mirrors that are updated to and# geographically close to the client. You should use this for CentOS updates# unless you are manually picking other mirrors.## If the mirrorlist= does not work for you, as a fall back you can try the# remarked out baseurl= line instead.##[base] name=CentOS-$7 - Base - 163.com#mirrorlist=http://mirrorlist.centos.org/?release=$7&arch=$basearch&repo=osbaseurl=http://mirrors.163.com/centos/7/os/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7#released updates[updates] name=CentOS-$7 - Updates - 163.com#mirrorlist=http://mirrorlist.centos.org/?release=$7&arch=$basearch&repo=updatesbaseurl=http://mirrors.163.com/centos/7/updates/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7#additional packages that may be useful[extras] name=CentOS-$7 - Extras - 163.com#mirrorlist=http://mirrorlist.centos.org/?release=$7&arch=$basearch&repo=extrasbaseurl=http://mirrors.163.com/centos/7/extras/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7#additional packages that extend functionality of existing packages[centosplus] name=CentOS-$7 - Plus - 163.com baseurl=http://mirrors.163.com/centos/7/centosplus/$basearch/ gpgcheck=1 enabled=0 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
9、至此YUM 网络源已经安装完成；
[root@linuxprobe ~]# yum clean all
10、测试安装是否正常；
[root@Linuxprobe ~]# yum -y install lftpLoaded plugins: fastestmirror, product-id, subscription-manager This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register. Loading mirror speeds from cached hostfile Resolving Dependencies --> Running transaction check ---> Package lftp.x86_64 0:4.4.8-7.el7 will be installed --> Finished Dependency Resolution Dependencies Resolved ================================================================================================ Package Arch Version Repository Size ================================================================================================ Installing: lftp x86_64 4.4.8-7.el7 base 750 k Transaction Summary ================================================================================================ Install 1 Package ………………省略部分安装过程……………… Installed: lftp.x86_64 0:4.4.8-7.el7 Complete!
到这里安装完成，以后安装所需包，可以不用本地yum源了，直接使用网络yum源。
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