#rhel

yum list available packages
Get information about package in yum/dnf
Get a history of what was recently installed with yum/dnf
Search package by the file name in yum/dnf
List installed packages with yum/dnf
yumdownloader - download RPM packages
Show scripts that may be present in a RPM package
Query rpm package file
Open a custom port on firewalld on RHEL
chronyc useful commands for NTP time status in RHEL systems
sudo groups in RHEL and Debian
List the rpm package's files in RHEL based distro
List the file's rpm package in RHEL based distro
Get info, install and uninstall dnf package groups
List dnf package groups
Change passwords without interactive prompt in Linux
Remove old kernels on RedHat based distributions
Fix 403 error in webserver caused by SELinux