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Controlling network traffic with firewalld.Displaying a user prompt on the GNOME login screen.Understanding and administering systemd.Performing administration tasks using sudo.Configuring networking with NetworkManager CLI (nmcli).
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Disabling the GNOME automatic screen locking.Setting a key shortcut to run an application in GNOME.Configuring Xorg as the default GNOME session.Configuring X Window System using the nf file.Installing Chromium or Google Chrome browsers.Installing plugins for playing movies and music.
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