Package installation via. Network Installation method

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In the last blog we understood, what are packages in linux, types of installation of packages. How to work with standalone installation.

Network Installation

1. Yum: (yellowdog udpater modified)

   Yum is an open source package management tool for installing rpm based packages in linux system. Yum overcomes all drawback of rpm command.

   It allows user’s and system administrator to easily install, update, remove or search software packages on a system.

2. Yum command syntax:

    #yum <option> <Name of Package>
   

   Options:

   1. install - for installing

   2. remove - for uninstalling

   3. upgrade - for upgrading

   4. groupinstall - for installing group of application

   5. groupremove - for uninstalling group of application

   6. grouplist - for show list of group

   7. clean all - for cleaning repository cache

   8. list - for showing package list

3. Installing package with yum

    yum install httpd*
   

   Note: For installing package with yum command we need to set yum path of centralized server in our system (repo)

4. Steps for creating repository file (repo)

   1. Insert rhel 8.0 dvd and start VM: attach RHEL8 iso file in VM

   2. For show DVD mount point

       #lsblk
      

   3. Go to yum repository

       #cd /etc/yum.repos.d/
       #rm -rvf *
      

5. For create repository file (repo)

   1. Create repo file

       #vim server.repo
      
       [app]
       name=appstrea
       baseurl=file:///run/media/root/RHEL-8-0-0-BaseOS-X86_64/AppStream
       enabled=1
       gpgcheck=0
       [base]
       name=baseos
       baseurl=file:///run/media/root/RHEL-8-0-0-BaseOS-x86_64/BaseOS
       enabled=1
       gpgcheck=0
       :wq
      
       #yum clean all
       #yum repolist
       #yum list
      

6. Setup static IP to server and client OS

   1. Installing web server package and start enable service

    #yum install httpd*
    #systemctl start httpd
    #systemctl enable httpd

Copy and paste all package in

    /var/www/html/
    #cd /run/media/root/RHEL-8-0-0-BaseOS-X86_64
    #cp -rvf AppStream /var/www/html/
    #cp -rvf BaseOS /var/www/html/

2. Create repo file

    #cd /etc/yum.repos.d/
    #vim server.repo
    [app]
    name=appstream
    baseurl=http://192.168.1.2/AppStream
    enabled=1
    gpgcheck=0
    [base]
    name=baseos
    baseurl=http://192.168.1.2/BaseOS
    enabled=1
    gpgcheck=0

3. Setup firewall rule:

    #firewall-cmd-permanent -add-service=http
    #firewall-cmd-reload
    #systemctl restart httpd

4. Configure client side yum repo

    #vim /etc/yum.repos.d/
    #rm -rvf *

    #vim servers.repo
    [app]
    name=appstream
    baseurl=http://192.168.1.2/AppStream
    enabled=1
    gpgcheck=0
    [base]
    name=baseos
    baseurl=http://192.168.1.2/BaseOS
    enabled=1
    gpgcheck=0
    :wq

    #yum clean all
    #yum repolist
    #yum install http*

Conclusion

In the this blog we understood, how to install package the network way of installation

Image credit → https://images.app.goo.gl/Z5tCFu8VyWuZWE8X6