Aliyun server yum source update problem from where

Aliyun official website also gives the yum uninstall reinstall and modify the source for aliyun Intranet documents. Step here do not say, can click on the link below for reference

https://help.aliyun.com/knowledge_detail/6708643.html

https://help.aliyun.com/knowledge_detail/7613310.html

After reinstalling yum and modifying the source of yum to ali cloud Intranet, there is basically no problem. When installing httpd, however, an error was reported and the dependency package was largely missing. Then, the yum source is 163, and the specific operation steps can be referred to as follows:

Note: the yum source of centos6 is obtained by wget below. If you have another version, just change the number after /.help /CentOS. For example, the address of centos7 wget should be

http://mirrors.163.com/.help/CentOS7-Base-163.repo

# First of all, the backup 

/etc/yum.repos.d/CentOS-Base.repo

cd /etc/yum.repos.d

mv CentOS-Base.repo CentOS-Base.repo.bak

#wget To obtain the yum The source can be modified according to its own system version 

wget http://mirrors.163.com/.help/CentOS6-Base-163.repo

mv CentOS6-Base-163.repo CentOS-Base.repo

# Run the following command to generate the cache 

yum clean all

yum makecache