CentOS本地源配置

本文介绍在CentOS系统搭建本地YUM源的详细步骤。包括安装httpd、修改yum和http配置文件、创建共享及服务目录、启动http服务、创建YUM软件仓库和源文件等,还说明了下载软件包的不同方式及更新源的操作,最后介绍客户端使用源的方法。

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1 安装httpd

在一台联网的机器上下载httpd离线包:

[root@localhost ~]# yum install --downloadonly --downloaddir=/httpd_rpm/ -y httpd

会下载以下依赖文件:

apr-1.4.8-3.el7_4.1.x86_64.rpm

apr-util-1.5.2-6.el7.x86_64.rpm

httpd-2.4.6-88.el7.centos.x86_64.rpm

httpd-tools-2.4.6-88.el7.centos.x86_64.rpm

mailcap-2.1.41-2.el7.noarch.rpm

使用命令安装本地rpm,安装以上下载的文件:

yum localinstall 包名

2 创建yum软件保存目录

[root@localhost ~]# mkdir -p /www/share/yum

3 修改yum配置文件

先备份yum配置文件,修改yum配置文件中yum软件包保存目录并开启rmp包缓存功能

[root@localhost ~]# cp /etc/yum.conf /etc/yum.conf.bak

[root@localhost ~]# vim /etc/yum.conf

[main]

#cachedir=/var/cache/yum/$basearch/$releasever

cachedir=/www/share/yum/$basearch/$releasever

keepcache=1

4 创建http共享目录,服务目录

[root@yumrepo www]# vim /etc/httpd/conf.d/share.conf

#http share

Alias /share /www/share

<Directory "/www/share">

    Options Indexes FollowSymLinks

    IndexOptions NameWidth=* DescriptionWidth=* FoldersFirst

    IndexOptions SuppressIcon HTMLTable Charset=UTF-8 SuppressHTMLPreamble

    Order allow,deny

    Allow from all

    Require all granted

</Directory>

5 修改http配置文件

备份httpd配置并修改配置文件

[root@localhost ~]# cp /etc/httpd/conf/httpd.conf{,.bak}

[root@localhost ~]# echo "

ServerName localhost

#关闭版本号显示

ServerSignature Off

ServerTokens Prod

">>/etc/httpd/conf/httpd.conf

6 启动http服务

[root@localhost ~]# systemctl enable httpd.service && systemctl restart httpd.service

[root@localhost ~]# netstat -antp|grep 'httpd'

7 创建YUM软件仓库

[root@localhost ~]# mkdir -p /www/share/centos7_rpm

[root@localhost ~]# createrepo -p /www/share/centos7_rpm/

Saving Primary metadata

Saving file lists metadata

Saving other metadata

Generating sqlite DBs

Sqlite DBs complete

8 创建源文件

[root@localhost ~]# echo "

[My_share]

name=My_Souce

baseurl=http://服务IP地址/share/centos7_rpm/

gpgcheck=0

enabled=1

cost=88

gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

">/www/share/Lan7.repo

9 下载软件包

9.1 将yum缓存的rpm包拷贝到/www/share/centos7_rpm/

[root@localhost ~]# find /www/share/yum -name *.rpm |sed -r 's#.*#mv & /www/share/centos7_rpm/\n#'|bash

9.2 下载没有安装过的包

[root@localhost ~]# yum install --downloadonly --downloaddir=/www/share/centos7_rpm/ -y 包名称

9.3 从新下载已经安装过的包

[root@localhost ~]# yum reinstall --downloadonly --downloaddir=/www/share/centos7_rpm/ -y 包名称

9.4 更新源

[root@localhost ~]# createrepo --update -p /www/share/centos7_rpm/

每次下载新的rpm后都需要执行该命令来更新yum

10 客户端使用源

10.1 下载服务端源文件到本地

wget -O /etc/yum.repos.d/Lan7.repo http://服务IP地址/share/Lan7.repo

10.2 客户端测试,查看源名称为myshare说明正常

yum install httpd

10.3 服务点更新yum后需要在客户端运行一下命令

yum makecache

 

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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