VMware version 15.5 builds yum warehouse by mounting the system CD
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1. Open the CentOS 7 virtual machine.
2. Log in to the virtual machine, choose not listed User name: root Password: enter the password you set and click login.
3. Right-click to open the terminal.
4. Enter the cd .. command twice to return to the root directory.
5. Create a directory named chenzishuo, enter mkdir /chenzishuo in the terminal
6. Configure the local yum, mount the CD under Chen Zishuo, enter mount /dev/cdrom /chenzishuo in the terminal
7. Enter the yum.repos.d file, enter cd /etc/yum.repos.d in the terminal, and then enter the command ls to open the current folder.
8. Enter the input command in the terminal:
mv CentOS-Base.repo CentOS-Base.repo.bak
mv CentOS-Debuginfo.repo CentOS-Debuginfo.repo.bak
mv CentOS-Vault.repo CentOS-Vault.repo.bak
mv CentOS-CR.repo CentOS-CR.repo.bak
mv CentOS-fasttrack.repo CentOS-fasttrack.repo.bak
mv CentOS-Sources.repo CentOS-Sources.repo.bak
9. Open the CentOS-Media.repo file and enter the command vi CentOS-Media.repo in the terminal
10. Modify the contents of the current file.
Change to: baseurl = file: ///chenzishuo
gpgcheck = 0
enabled = 1
Finally press esc and shift and: enter wq to save and exit
11. Enter the command yum list in the terminal
12. Wait for a while, these appear in the list, indicating that the Yum local warehouse has been successfully built.