linux cd ripper

Today, when I got a test environment, I lost some packages. when I installed the rpm package, the dependency was very troublesome. so I thought of using a CD to build a local yum server. Today, when I got a test environment, I lost some packages. when I installed the rpm package, the dependency was very troublesome. so I thought of using a CD to build a local yum server. Here are the specific setup steps. u

Linux common commands: [optional],LS (list)-l:long long format, one file or directory display lineFile type: the-: Normal fileD: Catalog fileB: Block device files (blocks)C: Character device file (character)L: Symbolic Link files (symbolic link file)P: Command pipe file (pipe)S: Socket file (socket)File permissions (9-bit, per three-bit group, rwx per group):Number of hard links to filesFile ownerFilegroup (Group)File size (size), Unit bityTimestamp (

Create a directory to mount Optical drive files mkdir /root/zzx Configure Yum source files Vim /etc/yum.repos.d/yum.repo Add the following [base] Name=server Baseurl=file:///root/zzx/server enabled=1 [ VT] NAME=VT Baseurl=file:///root/zzx/vt enabled=1 [Cluster] Name=server Baseurl=file:///root/zzx/cluster enabled=1 [clusterstorage] Name=server baseurl=file:/ Root/zzx/clusterstorage enabled=1 Mount Optical drive Umount-a Clear mount poin