1 what com.mand will tell you the listening serv.ers on a system?.
2 Suppose you try to ssh to a remote machine but you get a ."no route to host" message., what comma.nd should you use to start. diagnosing the problem and why?.
3 Ho.w can you check that your Ethernet card hs. been properly set up?(what c.ommand would you use and what would you look for in its outpu.t?)虚拟主机