apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done 0 upgraded, 0 newly installed, 0 to remove and 53 not upgraded. 2 not fully installed or removed. Need to get 0B of archives. After unpacking 0B of additional disk space will be used. /bin/sh: /usr/sbin/dpkg-preconfigure: /usr/bin/perl: bad interpreter: No such file or directory Setting up apache2-mpm-worker (2.2.4-3) ... /var/lib/dpkg/info/apache2-mpm-worker.postinst: /usr/sbin/update-rc.d: /usr/bin/perl: bad interpreter: No such file or directory dpkg: error processing apache2-mpm-worker (--configure): subprocess post-installation script returned error exit status 126 dpkg: dependency problems prevent configuration of apache2: apache2 depends on apache2-mpm-worker (>= 2.2.4-3) | apache2-mpm-prefork (>= 2.2.4-3) | apache2-mpm-event (>= 2.2.4-3); however: Package apache2-mpm-worker is not configured yet. Package apache2-mpm-prefork is not installed. Package apache2-mpm-event is not installed. dpkg: error processing apache2 (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: apache2-mpm-worker apache2 E: Sub-process /usr/bin/dpkg returned an error code (1) emiliana:/home/mathersis#