Linux Classroom Series – 28/Jul/2020 – Direct DevOps from Quality Thought

RPM is a software management system that is used for installation & removal of software packages.
A package typically consists of archive of files and other metadata, includes configuration files, binaries.
RPM is pre-install on all redhat flavors like centos, rhel, fedora, Amazon linux etc…
Following are the primary functions of RPM program
- Query, verify, update, install and uninstall software
- Maintains a database that stores information about packages
- Package other software into RPM form
Querying for all package
- Execute the command below to list all the packages install on your system
```
rpm --query --all
```
Querying Details for a specific package
- Lets find information about a package called as bash
```
rpm --query bash-*
```
- To list all files that come with your package
```
rpm -ql bash
```
- To list configuration files
```
rpm -qc bash
```
Determining what other packages on the system depend on the bash package

rpm -q --whatrequires bash

Installing software using rpm
- Lets use rpm to install file beat available over here
```
curl -L -O https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-7.8.0-x86_64.rpm
```
Uninstall software using rpm

DPMS is the framework for managing software on Debian or Debian-like systems
Debian packages end with .deb
At the core of DPMS is the dpkg application which works with the system providing several command line options
Lets install and uninstall filebeat from debian package available over here

cd /tmp
wget https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-7.8.0-amd64.deb
sudo dpkg -i <debpackage path>

Preview

Linux Classroom Series – 28/Jul/2020