What is package ?

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What are packages

In linux distribution system, all the software are divided into packages which can be installed / uninstalled / upgraded. In short packages refer to the compressed archive file containing all the files that come the particular application.

Package Architecture

httpd-tools-2.4.6-7.el8.x86_64.rpm

Name version.release architecture extention

Method for installing the package

1. Standalone installation

   This method is used for installing package on few machine or servers.

   E.g. pd, dvd etc.

2. Network installation

   This method is used for installing package on large number of machines

   E.g. Centralized servers.

Standalone installation

1. RPM command is used to install package in standalone installation

2. RPM stands for redhat package manager

3. rpm command is to install packages on linux distributions like CentOS, REHL.

4. Rpm command syntax

    #rpm <option> <name of package>
   

   Option:

   i - for installation

   v - for verbose

   h - for hashes

   e - for erase

   q - for query

5. Installing package with rpm

    #rpm -ivh httpd-tools-2.4.6-7.el7.x86_64.rpm
   

6. Drawback of rpm

   1. We can’t install dependent software in single go.

   2. It does not ask for user permission

Conclusion

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

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