How To View Only Errors in Logs Using Tail by troy · Published October 12, 2014 · Updated October 12, 2014 sudo tail -f /var/log/apache2/other_vhosts_access.log | grep “404”
Whereis Apache on Ubuntu December 3, 2011 by troy · Published December 3, 2011 · Last modified February 12, 2015
GREP SED AWK VI and FIND Usage Notes for Webmasters October 11, 2014 by troy · Published October 11, 2014