centos yum源配置

yum源配置

1.删除centos自带的yum源

[root@cloud ~]# rm -rf /etc/yum.repos.d/*

2. 创建挂载点并挂载镜像

[root@cloud ~]# mkdir /opt/centos

[root@cloud ~]# mount /dev/cdrom /opt/centos/

mount: /dev/sr0 写保护,将以只读方式挂载

3.创建本地yum源

[root@cloud ~]# vi /etc/yum.repos.d/local.repo  //编写本地yum源内容,内容如下

[centos]

name=centos                 # Yum源的名称,用于描述这个源

baseurl=file:///opt/centos  # 本地Yum源的位置,指向挂载点目录

gpgcheck=0                  # 不进行GPG签名检查

enabled=1                   # 启用该Yum源

4.清楚旧yum源的缓存

[root@cloud ~]# yum clean all

已加载插件:fastestmirror, langpacks

正在清理软件源: crntos

Cleaning up list of fastest mirrors

Other repos take up 681 M of disk space (use --verbose for details)

5.更新yum源缓存

[root@localhost ~]# yum makecache

已加载插件:fastestmirror, langpacks

Determining fastest mirrors

crntos                                                          | 3.6 kB  00:00:00    

(1/4): crntos/group_gz                                          | 153 kB  00:00:00    

(2/4): crntos/filelists_db                                      | 3.3 MB  00:00:00    

(3/4): crntos/primary_db                                        | 3.3 MB  00:00:00    

(4/4): crntos/other_db                                        

1.查看系统本身存在的版本 rpm -qa | grep yum 2.卸载centos7上存在的yum安装源包 rpm -e 源包 --nodeps 3.下载yum源包(http://mirrors.163.com/centos/7/os/x86_64/Packages/) yum-metadata-parser-1.1.4-10.el7.x86_64 PackageKit-yum-1.0.7-6.el7.centos.x86_64 yum-utils-1.1.31-40.el7.noarch 下方两个一起装 yum-plugin-fastestmirror-1.1.31-40.el7.noarch yum-langpacks-0.4.2-7.el7.noarch yum-3.4.3-150.el7.centos.noarch yum-rhn-plugin-2.0.1-6.el7.noarch 4.安装yum源包 rpm -ivh yum* 5.创建配置文件(/etc/yum.repos.d/CentOS-Base.repo) vi /etc/yum.repos.d/CentOS-Base.repo [base] name=CentOS-$releasever - Base - 163.com #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch;=$basearch&repo=os baseurl=http://mirrors.163.com/centos/(系统版本号)7/os/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7 #released updates [updates] name=CentOS-$releasever - Updates - 163.com #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch;=$basearch&repo=updates baseurl=http://mirrors.163.com/centos/7/updates/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7 #additional packages that may be useful [extras] name=CentOS-$releasever - Extras - 163.com #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch;=$basearch&repo=extras baseurl=http://mirrors.163.com/centos/7/extras/$basearch/ gpgcheck=1 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7 #additional packages that extend functionality of existing packages [centosplus] name=$releasever - Plus - 163.com baseurl=http://mirrors.163.com/centos/7/centosplus/$basearch/ gpgcheck=1 enabled=0 gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7 每一个baseurl的centos后都改成自己系统的版本号 6.执行命令 yum clean all yum makecache yum install telnet
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