CentOS network change

CentOS network change
System Version: CentOS-6.4-x86_64-minimal this system is CD version, so it is basically a minimal installation version. Now, the system's default source is replaced with an easy source to ensure the speed of software download. The procedure is as follows:
1. download the new source and back up the local source [root @ localhost ~] # Cd/etc/yum. repos. d/[root @ localhost ~] # Wget http://mirrors.163.com/.help/centos6-base-163.repo?root@localhost ~] # Mv CentOS-Base.repo CentOS-Base.repo.bak [root @ localhost ~] # Mv CentOS6-Base-163.repo CentOS-Base.repo2, yum source update [root @ localhost ~] # Yum clean all & yum makecache & yum update-y3. Complete. Yum command tool Example 1. upgrade the system [root @ localhost ~] # Yum update2: Install the specified Software Package [root @ localhost ~] # Yum-y install mysql-server3, upgrade the specified package [root @ localhost ~] # Yum-y update mysql4. Uninstall the specified Software Package [root @ localhost ~] # Yum-y remore mysql5. View installed and available software groups in the system. For available software groups, you can choose to install [root @ localhost ~] # Yum grouplist6: Install a software group in the available software group displayed in the previous command [root @ localhost ~] # Yum-y groupinstall Emacs7: update the software package in the specified software group [root @ localhost ~] # Yum-y groupupdate Emacs8: uninstall the software package in the specified software group [root @ localhost ~] # Yum-y groupremove Emacs9. Clear the cache rpm header file and package file [root @ localhost ~] # Yum clean all10. Search for related software packages [root @ localhost ~] # Yum-y search Emacs11: display the information of the specified Software Package [root @ localhost ~] # Yum info Emacs12: query the dependent package of a specified Software Package [root @ localhost ~] # Yum deplist emacs13. list all software packages starting with yum [root @ localhost ~] # Yum list yum \ * 14. list rpm packages installed but not included in the resource library [root @ localhost ~] # Yum list extras