[问题求助]最近在学linux课,有几个命令不是很清楚。。。 [复制链接]

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

参考：

1 netstat
2 netstat
3 ifconfig

1 what command will tell you the listening servers on a system?
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netstat -tlnu

2 Suppose you try to ssh to a remote machine but you get a "no route to host" message, what command should you use to start diagnosing the problem and why?
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ping remote ip
check sshd on remote server
check local route table

3 How can you check that your Ethernet card hs been properly set up?(what command would you use and what would you look for in its output?)
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ifconfig -a

偶也来学学

Cu成了Linux辅导班了.