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select column_name, count(*) from table_name group by column_name order by count(*) desc;

RPM packages typically have file names like foo-1.0-1.i386.rpm . The file name includes the package name ( foo ), version ( 1.0 ), release ( 1 ), and architecture ( i386 ). To install a package, log in as root and type the following command at a shell prompt: rpm -Uvh foo-1.0-1.i386.rpm

netstat -tulpn