A help desk team lead contacts a systems administrator because the technicians are unable to log in to a Linux server that is used to access tools. When the adm...

A help desk team lead contacts a systems administrator because the technicians are unable to log in to a Linux server that is used to access tools. When the administrator tries to use remote desktop to log in to the server, the administrator sees the GUI is crashing. Which of the following methods can the administrator use to troubleshoot the server effectively?