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In the newer version say Fedora 27, you can list all the installed packages in your system using the dnf package manager. This can be achieved by running the command below rpm -qa -last You can also sort the packages installed according to date i.e from latest to earliest.
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The results above confirm the installation and presence of httpd web server. In this example, we'll investigate whether httpd web server is installed or not. NOTE: If you wish to know whether a specific package is installed, use the ' grep' filter option
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