Introduction to the

In the VirtualBox VM CentOS system, mount an ISO image as the source repository for software installation

The installation

  1. Start the centos8 system
  2. After startup, click Settings, Storage and see if controller: IDE has a disk. If not, add your own ISO. If not, first shut down Centos8 normally, then click “Settings” [Storage] [Controller: IDE] to add an empty disk and occupy a space. Then start Centos8 normally, click Settings [Storage] [Controller: IDE], this time you can add one.

  1. After the addition is complete, go to the Linux system at this time, check the /dev directory, there is a Cdrom, this is dvD.iso

  2. Mount and check whether the mount is successful

Mkdir /media/cdrom # create a directory mount -o loop /dev/cdrom /media/cdrom # If there is content, the mount is successfulCopy the code
  1. In /etc/yum.rebo. d/, create your own local_centos.repo, which is the local source
[local_centos8] name = local_centos8 baseurl = # file:///media/cdrom/BaseOS note here, some of the package is in a different position, need to point to the directory is different also, Enabled =1 gpgCheck =1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-8 # local_centos8_app Name = local_centos8_app baseurl = # file:///media/cdrom/AppStream note here, some of the package is in a different position, need to point to the directory is different also, Gpgcheck =1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-8Copy the code
  1. restart
    yum clean all
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  1. use
Yum -config-manager --disable * # disable all sources yum-config-manager --enable * # enable all sources # yum info HTTPD [root@centos7 yum. Repos. D]# yum info HTTPD  Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Available Packages Name : httpd Arch : X86_64 Version: 2.4.6 Release: 17.el7.centos.1 Size: 2.7m Repo: local_centos8 # Apache HTTP Server URL: http://httpd.apache.org/ License: ASL 2.0 Description: The Apache HTTP Server is a powerful, efficient, and extensible : web server.Copy the code