How to Create Yum Server and Client

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 [root@Apache ~]# mount /dev/sr0 /mnt/
mount: /dev/sr0 is write-protected, mounting read-only


[root@Apache ~]# ls /mnt/
CentOS_BuildTag  EFI  EULA  GPL  images  isolinux  LiveOS  Packages  repodata  RPM-GPG-KEY-CentOS-7  RPM-GPG-KEY-CentOS-Testing-7  TRANS.TBL
 

[root@Apache ~]# vim /etc/yum.repos.d/yum.repo
[server]
name=server
baseurl=file:///mnt
gpgcheck=0
enable=1
 

 

[root@Apache ~]# yum clean all
Loaded plugins: fastestmirror, product-id, search-disabled-repos, subscription-manager

This system is not registered with an entitlement server. You can use subscription-manager to register.

Cleaning repos: server
Cleaning up everything
Maybe you want: rm -rf /var/cache/yum, to also free up space taken by orphaned data from disabled or removed repos
Cleaning up list of fastest mirrors
 

[root@Apache ~]# yum repolist
Loaded plugins: fastestmirror, product-id, search-disabled-repos, subscription-manager

This system is not registered with an entitlement server. You can use subscription-manager to register.

server          | 3.6 kB  00:00:00     (1/2): 

server/group_gz  | 156 kB  00:00:00     (2/2): 

server/primary_db    | 3.1 MB  00:00:00     
Determining fastest mirrors
repo id                      repo name             status
server                       server                    3,894
repolist: 3,894


[root@Apache ~]# yum install httpd -y
Loaded plugins: fastestmirror, product-id, search-disabled-repos, subscription-manager

This system is not registered with an entitlement server. You can use subscription-manager to register.

Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package httpd.x86_64 0:2.4.6-67.el7.centos will be installed
--> Processing Dependency: httpd-tools = 2.4.6-67.el7.centos for package: httpd-2.4.6-67.el7.centos.x86_64
--> Running transaction check
---> Package httpd-tools.x86_64 0:2.4.6-67.el7.centos will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=========================================================================================================================================================================
 Package                                  Arch                                Version                                          Repository                           Size
=========================================================================================================================================================================
Installing:
 httpd                                    x86_64                              2.4.6-67.el7.centos                              server                              2.7 M
Installing for dependencies:
 httpd-tools                              x86_64                              2.4.6-67.el7.centos                              server                               87 k

Transaction Summary
=========================================================================================================================================================================
Install  1 Package (+1 Dependent package)

Total download size: 2.8 M
Installed size: 9.5 M
Downloading packages:
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total                                                                                                                                     26 MB/s | 2.8 MB  00:00:00     
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
  Installing : httpd-tools-2.4.6-67.el7.centos.x86_64                                                                                                                1/2
  Installing : httpd-2.4.6-67.el7.centos.x86_64                                                                                                                      2/2
  Verifying  : httpd-2.4.6-67.el7.centos.x86_64                                                                                                                      1/2
  Verifying  : httpd-tools-2.4.6-67.el7.centos.x86_64                                                                                                                2/2

Installed:
  httpd.x86_64 0:2.4.6-67.el7.centos                                                                                                                                     

Dependency Installed:
  httpd-tools.x86_64 0:2.4.6-67.el7.centos                                                                                                                               

Complete!


[root@Apache ~]# systemctl  restart httpd

 [root@Apache ~]# cp -rv  /mnt/*  /var/www/html/yum/

[root@Apache ~]# mv  /etc/httpd/conf.d/welcome.conf  /etc/httpd/conf.d/welcome.conf_1

[root@Apache ~]# systemctl  restart httpd 

[root@Apache ~]# vim /etc/yum.repos.d/yum.repo
[server]
name=server
baseurl=http://Server_IP/yum
gpgcheck=0
enable=1
 

[root@Apache ~]# yum clean all

[root@Apache ~]# yum repolist

[root@Apache ~]# yum install PKG_Name

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