Another Sys Admin oversaw deploying the LAMP stack for a new website. The components consist of Apache2 and MySQL. After deploying the website and notifying users of availability there has been a lot...

Another Sys Admin oversaw deploying the LAMP stack for a new website.  The components consist of Apache2 and MySQL.  After deploying the website and notifying users of availability there has been a lot of support tickets for inaccessibility of the website. 400/404 Errors are appearing ‘Website unreachable’.  How would you troubleshoot the error? Run the commands that would show you details on why the website may be unreachable (verify each component).