When trying to install various application packages or modules in Ubuntu or other Linux flavor of operating system using apt-get, such as chkrootkit, mod-security, apache, mysql, rkhunter, wxpython, nfs-utils, nfs-server, portmap and etc, the error that has the similar messages as below may appear. $ sudo apt-get install chkrootkit Reading package lists… Done Building dependency tree… Done You might want to run ‘apt-get -f install’ … Continue reading Ubuntu Unmet Dependencies Not Going to Be Installed or Try ‘apt-get f install’ Error