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Configuration of Local Yum Repository

Configuration of Local Yum Repository
Configuration of Local Yum Repository
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Hi Everyone! Today we are going to discuss regarding configuration of Local Yum on Linux machine. Yum’s most important function is for adding and removing packages. It adds up to many features in a Linux machine. As per the requirement you can add or remove the packages. Before starting with yum configuration, Lets go into basics.

 

What is YUM?

YUM stands for Yellow Dog Updater Manager. It is a default package management utility. Yum uses repository to get necessary rpm files. Yum can automatically resolve software dependencies and based on system hardware it can automatically select appropriate version of RPM package from repository

 

What is Repository?

A Repository is a collection of RPM files. Repository may contain multiple versions of the same RPM package. Repository may contain different builds for different architectures for example one for i686 and other for x86_64. A repository can be configured locally or remotely. Today we are going to discuss configuration of local repository.

So, Lets begin with configuration of Yum local repository.

Step 1 : Copy the packages from base server to required server.

Command : scp -r /Packages [email protected]_address:/path

Step 2 : Create Repository

Command : createrepo /Packages

Step 3 : Create file in default repo location.

Default Location : /etc/yum.repos.d

Command : vi /etc/yum.repos.d/local.repo

Here, New file is created local.repo

Step 4 : Once file is created, write below statement into it.

Command : vi local.repo

Click on ‘i’ (To insert)

[LOCALREPO]

name=rhel7

baseurl=file:///Packages

enabled=1

gpgcheck=0

Press Colon and wq! (Save and Exit Recursive)

Step 5 : Now delete the cache or yum cache using below command.

Command: yum clean  all

Step 6 : Now, Enable yum repository using below command.

Command: yum repolist all

I will share some of the important commands related to Yum which will be helpful to you for rest of your career.

  1. To install new package in YUM

Syntax : yum install package name

For Example : yum install httpd.2.2.2.3.e15

 

  1. To delete existing package in YUM

Syntax : yum remove package name

For Example : yum remove httpd.2.2.2.3.e15

 

  1. To update the package

Command : yum update

 

  1. To list the package

Command : yum list pkg_name

For Ex : yum list firefox

 

  1. To search a package

Command : yum search pkg_name

For ex : yum search firefox

 

  1. To list all installed packages.

Command : yum list installed | less

 

  1. To check available updates.

Command : yum check-update

 

  1. To update system

Command : yum  update

 

  1. List enabled Yum repositories

Command : yum repolist

 

10.List enabled and disabled Yum repositories.

Command : yum repolist all

 

  1. To clean Yum cache

Command : yum clean all

 

  1. View history of Yum

Command : yum history

 

 

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