三种yum源安装方式

1、克隆两台主机

在这里插入代码片
```yum仓库主机
  外网地址：192.168.15.30
  内网地址：172.16.1.30

yum测试主机
  外网地址：192.168.15.31
  内网地址：172.16.1.31

修改的命令：
  vim /etc/sysconfig/network-scripts/ifcfg-eth0
  vim /etc/sysconfig/network-scripts/ifcfg-eth1
  
  重启网卡：systemctl restart network
  
  修改主机名：
    yum仓库主机：hostnamectl set-hostname warehouse
    yum测试主机：hostnamectl set-hostname yum-test

2、配置yum仓库

1、需要有一个软件包目录，存放软件包的
[`root@warehouse ~]# mkdir /backup`

1.1、缓存yum安装下载的软件包
[root@warehouse 7]# vim /etc/yum.conf
[main]
cachedir=/var/cache/yum/$basearch/$releasever
keepcache=1
[root@warehouse ~]# yum install mariadb -y

1.2、将缓存的软件包复制到yum仓库目录
[root@warehouse ~]# cd /var/cache/yum/x86_64/7/base/packages/
[root@warehouse packages]# cp -rp ./* /backup/
[root@warehouse packages]# cd /backup/
[root@warehouse backup]# ll
total 8964
-rw-r--r-- 1 root root 9175948 Oct 15 02:55 mariadb-5.5.68-1.el7.x86_64.rpm

2、建立软件包依赖关系

[root@warehouse backup]# yum install createrepo -y
[root@warehouse backup]# createrepo /backup/
Spawning worker 0 with 1 pkgs
Spawning worker 1 with 0 pkgs
Workers Finished
Saving Primary metadata
Saving file lists metadata
Saving other metadata
Generating sqlite DBs
Sqlite DBs complete
[root@warehouse backup]# ll
total 8968
-rw-r--r-- 1 root root 9175948 Oct 15 02:55 mariadb-5.5.68-1.el7.x86_64.rpm
drwxr-xr-x 2 root root    4096 Mar 18 08:54 repodata
[root@warehouse backup]# ll repodata/
total 28
-rw-r--r-- 1 root root 1970 Mar 18 08:54 5d54624b2aa7a1fe974ff5553a9a78289683189c6a7b60c8c1421ecf011d270f-other.sqlite.bz2
-rw-r--r-- 1 root root 3449 Mar 18 08:54 5e68ee34f7e8f1a11a039f55c990bcc044f16bceb6af7f4486b55d518ad91346-primary.sqlite.bz2
-rw-r--r-- 1 root root  539 Mar 18 08:54 6e94b0fa1d98955542fb8238348ea171be7a130ba97573eb3ac756e1aadcec50-filelists.xml.gz
-rw-r--r-- 1 root root 1291 Mar 18 08:54 a9afb0b2457f41f5c2d64744a07d5d12599e6c2588c870ae73568cf345a0abca-other.xml.gz
-rw-r--r-- 1 root root 1333 Mar 18 08:54 cf41627875b17ef4bea5f0ea566ac63a5c83adc606d3ca730a74944ceb969028-primary.xml.gz
-rw-r--r-- 1 root root 1158 Mar 18 08:54 f34cbfd9e5608e8402041e98100f853e913f3df04d6946874c73ba31a78969ba-filelists.sqlite.bz2
-rw-r--r-- 1 root root 2969 Mar 18 08:54 repomd.xml
[root@warehouse backup]# 

3、测试连接（本地版本）

1、备份系统所有的yum源
[root@warehouse yum.repos.d]# cd /etc/yum.repos.d/
[root@warehouse yum.repos.d]# mkdir backup1
[root@warehouse yum.repos.d]# mv *.repo backup1
[root@warehouse yum.repos.d]# vim local.repo
[local]
name="This is xxx"
baseurl=file:///backup
gpgcheck=0
enabled=1

# 清理yum缓存
[root@warehouse ~]# yum clean all
[root@warehouse ~]# rm -rf /var/cache/yum/x86_64/7/*

# 生成新的yum缓存
[root@warehouse ~]# yum makecache

测试连接

[root@warehouse yum.repos.d]# rpm -e mariadb
[root@warehouse yum.repos.d]# rpm -ql mariadb
package mariadb is not installed
[root@warehouse yum.repos.d]# yum install mariadb

``4、测试连接（远程版本）

#########################  yum仓库机器上执行  ###################################
1、备份系统所有的yum源
[root@warehouse yum.repos.d]# cd /etc/yum.repos.d/
[root@warehouse yum.repos.d]# mkdir local
[root@warehouse yum.repos.d]# mv *.repo local

2、安装远程访问软件

[root@warehouse yum.repos.d]# cd /etc/yum.repos.d/
[root@warehouse yum.repos.d]# mv backup1/*  .
[root@warehouse yum.repos.d]# yum install vsftpd -y
[root@warehouse yum.repos.d]# systemctl enable --now vsftpd 
Created symlink from /etc/systemd/system/multi-user.target.wants/vsftpd.service to /usr/lib/systemd/system/vsftpd.service.

3、配置系统yum仓库
[root@warehouse yum.repos.d]# cd /var/ftp
[root@warehouse ftp]# mkdir yum_warehouse

4、将软件包复制到yum仓库目录
[root@warehouse ftp]# cp -rp /backup/* /var/ftp/yum_warehouse/
[root@warehouse ftp]# ll yum_warehouse/
total 8968
-rw-r--r-- 1 root root 9175948 Oct 15 02:55 mariadb-5.5.68-1.el7.x86_64.rpm
drwxr-xr-x 2 root root    4096 Mar 18 08:54 repodata

5、建立yum软件包依赖关系
[root@warehouse ftp]# createrepo /var/ftp/yum_warehouse/

######################### yum测试机器上执行 ###################################
1、本机测试网络连接
1、备份系统所有的yum源

[root@warehouse ftp]# cd /etc/yum.repos.d/
[root@warehouse yum.repos.d]# mv *.repo backup1
[root@warehouse yum.repos.d]# vim local.repo
[root@warehouse yum.repos.d]# cat local.repo 
[local-ftp]
name="This is ftp server"
baseurl=ftp://172.16.1.30/yum_warehouse
gpgcheck=0
enabled=1

# 清理yum缓存
[root@warehouse ~]# yum clean all
[root@warehouse ~]# rm -rf /var/cache/yum/x86_64/7/*

# 生成新的yum缓存
[root@warehouse ~]# yum makecache

# 测试连接
[root@warehouse yum.repos.d]# rpm -e mariadb
[root@warehouse yum.repos.d]# rpm -ql mariadb
package mariadb is not installed
[root@warehouse yum.repos.d]# yum install mariadb

2、yum测试机器执行
1、备份yum仓库内容

[root@yum-test ~]# cd /etc/yum.repos.d/
[root@yum-test yum.repos.d]# mkdir backup1
[root@yum-test yum.repos.d]# mv *.repo backup1
[root@yum-test yum.repos.d]# ll
total 0
drwxr-xr-x. 2 root root 187 Mar  4 09:55 backup
drwxr-xr-x  2 root root 220 Mar 18 09:20 backup1
[root@yum-test yum.repos.d]# 

2、编写本地yum源配置文件
[root@yum-test yum.repos.d]# vim local.repo
[root@yum-test yum.repos.d]# cat local.repo 
[loacl-ftp-30]
name="This is 30 ftp server"
baseurl=ftp://172.16.1.30/yum_warehouse
gpgcheck=0
enabled=1

3、清理yum缓存
[root@yum-test yum.repos.d]# yum clean all
[root@yum-test yum.repos.d]# rm -rf /var/cache/yum/x86_64/7/*

4、生成yum缓存
[root@yum-test yum.repos.d]# yum makecache

5、测试安装
[root@yum-test yum.repos.d]# yum install mariadb

4、同步远程yum仓库内容到本机

1、安装华为云镜像仓库
[root@warehouse yum.repos.d]# rm -rf /etc/yum.repos.d/*
[root@warehouse yum.repos.d]# wget -O /etc/yum.repos.d/CentOS-Base.repo https://repo.huaweicloud.com/repository/conf/CentOS-7-reg.repo

2、生成yum缓存
[root@warehouse yum.repos.d]# yum clean all
[root@warehouse yum.repos.d]# rm -rf /var/cache/yum/x86_64/7/*
[root@warehouse yum.repos.d]# yum makecache

3、同步华为云镜像站软件包到本地yum仓库
[root@warehouse ftp]# yum install yum-utils -y
[root@warehouse ftp]# reposync -r (仓库名称：yum repolist)

4、建立依赖关系
[root@warehouse ftp]# createrepo base

5、测试
    [loacl-ftp-30]
    name="This is 30 ftp server"
    baseurl=ftp://172.16.1.30/base
    gpgcheck=0
    enabled=1