how to check rpm installed or not in linux
1 RPM keeps the information of all the installed packages under /var/lib/rpm database. 2  RPM is the only way to install packages under Linux systems, if youâve installed packages using source code, then rpm wonât manage it.0 Most Useful RPM Command Examples. This article provides some useful 20 RPM command examples that might be helpful to you. With the help of these rpm command you can managed to install, update, remove packages in your Linux systems.