linux yum source synchronous online

First, the cause

A few days recently discovered server to install new software download packages always online, both cost flow and time-consuming, yum online source for all synchronization down

Second, synchronization source yum

1. Installation package

   yum -y install yum-utils createrepo

2. View all warehouses

   yum repolist

   

3. Select a warehouse synchronization

   #参数-r为仓库id，参数-p为指定路径下载，会在指定路径下生成跟仓库id一样的文件夹
   reposync -r CentOS7 -p /root/

4. Generates metadata repository, yum source configuration change

   createrepo /root/CentOS7/
   vim /etc/yum.repos.d/local.repo
   #########################
   [CentOS7]
   name=Centos7.6
   baseurl=file:///root/CentOS7
   gpgcheck=0
   enabled=1
   #########################