A brief knowledge of Network Management in RHEL8

In RHEL8, Network is managed by NetworkManager daemon. We can use it to configure and manage networks in system.NetworkManager package is preinstalled in RHEL8.nmcli tool can be used to configure networks using command line. nmtui is text-based user interface for NetworkManager.You can still use ifcfg files to configure network configurations. Service “NetworkManager” is used for starting/stopping […]

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Ansible Ad-Hoc Commands – 1

# ansible all -i hosts –list-hosts (To see all hosts in inventory file named hosts) # ansible rl6 -i hosts –list-hosts (To see hosts of host group named rl6 created in inventory) # ansible ungrouped -i hosts –list-hosts (To see ungrouped hosts) # ansible rhel -i hosts –list-hosts (To see group parent to contains children […]

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dnf command cheat sheet

# dnf –version (Check version of dnf) # dnf repolist (List enabled repositories) # dnf repolist all (List enabled and disabled repositories) # dnf install httpd (Install a package named httpd) # dnf install httpd (It will install directly install will not ask for yes or no) # dnf remove httpd (It will remove package) […]

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Systemd Cheat Sheet

Systemd Services Command (Cheat Sheet) 1.VIEWING systemd INFORMATION systemctl list-dependencies              Show a unit’s dependencies systemctl list-sockets                   List sockets and what activates systemctl list-jobs                      View active systemd jobs systemctl list-unit-files      […]

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