Common Linux Network commands

1. Network parameter settings command ifconfig, ifup, ifdown, route

2. Some Network Diagnostic commands, such as ping and traceroute, run *** to indicate that the node is faulty.

3. Netstat, host, nslookup
 
4. Telnet can be used to connect to a remote host
Telnet-8 bbs.sayya.org-8 can reduce garbled characters
Telnet localhost 110 to check whether port 110 of the host is enabled
Ftp localhost [21]

5.
Find/-name filename
Find/-amin-10 # search for files accessed in the last 10 minutes in the system
Find/-atime-2 # search for files accessed in the last 48 hours in the system
Find/-empty # search for files or folders that are empty in the system
Find/-group cat # find the groupcat file in the system
Find/-mmin-5 # search for the files modified in the last 5 minutes in the system
Find/-mtime-1 # search for files modified in the last 24 hours in the system
Find/-nouser # search for files belonging to the void user in the system
Find/-user fred # search for files belonging to the user FRED IN THE SYSTEM