Super Powerful socket tool SS, alternative netstat

1. Conclusion: SS command is more powerful than netstat, providing more functions and higher performance.

2, display the current system socket occupies the overall macro situation.

Ss-s

When there are too many sockets created, there is a problem with the system configuration.

3, display TCP socket condition SS-A-t

Show UDP socket Case SS-A-U

4, show a port number is occupied by which process, using Lsof-i udp:53

Or, show TCP port 53rd is occupied by WHO, using Lsof-i tcp:53

5. Displays all open ports on the current system, and the name of the process using that port

Ss-nlp

6. Identify applications that occupy a certain port

SS-NLP | grep 53

7, display the statistics of the IP layer

Netstat-s

8. Display statistics for each port

Ip-s Link ls ens33

Reference:

Https://www.cnblogs.com/kevingrace/p/6211509.html

Super Powerful socket tool SS, alternative netstat