How to install ModemManager on CentOS 8 Server

1. Log into your centos 8 server via SSH as root user

2. Run the command ‘rpm -qa | grep ModemManager’ to check whether ModemManager package is installed

3. Install ModemManager package using yum : ‘yum install ModemManager’

4. Enter ‘y’ and press enter, if yum asks for confirmation while installing

5. Run the below command to verify

# ModemManager -h    
Usage:
  ModemManager [OPTION?]

How to install ModemManager rpm on CentOS 8 server

You can install ‘ModemManager’ package either using yum or by downloading the rpm package from the CentOS website.

1. On CentOS 8 server, go to /usr/local/src directory:

cd /usr/local/src

2. Download ModemManager package using wget command :

wget http://mirror.centos.org/centos/8/BaseOS/x86_64/os/Packages/ModemManager-1.10.8-2.el8.x86_64.rpm

3. Install the package using rpm command :

rpm -Uvh ModemManager-1.10.8-2.el8.x86_64.rpm

Installed:
ModemManager-1.10.8-2.el8.x86_64 ModemManager-glib-1.10.8-2.el8.x86_64
libgudev-232-4.el8.x86_64 libmbim-1.20.2-1.el8.x86_64
libmbim-utils-1.20.2-1.el8.x86_64 libqmi-1.24.0-1.el8.x86_64
libqmi-utils-1.24.0-1.el8.x86_64