View the number of tcp connections and status in Linux

In Linux, check the number of tcp connections and the status netstat-n | awk & amp; #39;/^ tcp/{++ S [$ NF]} END {for (ainS) printa, S [a]} & amp; #39; TIME_WAIT8947FIN_WAIT115FIN_WAIT21ESTABLISHED55SYN_RECV21CLOSING2LAST _. in Linux, check the number of tcp connections and the status netstat-n | awk '/^ tcp/{++ S [$ NF]} END {for (a in S) print, S [a]} 'time_wait 8947FIN_WAIT1 15FIN_WAIT2 1 ESTABLISHED 55SYN_RECV 21 CLOSING 2LAST_ACK 4TCP connection status details www.2cto.com LISTEN: Listening for connection requests from remote TCP ports SYN-SENT: send the connection request again and WAIT for the matching connection request SYN-RECEIVED: After receiving and sending a connection request, WAIT for the other party to confirm the connection request ESTABLISHED: represents an open connection FIN-WAIT-1: WAIT for the remote TCP connection interruption request, or the confirmation of the previous connection interruption request FIN-WAIT-2: from the remote tcp wait for the connection interruption request www.2cto.com CLOSE-WAIT: WAIT for the connection interruption request from the local user CLOSING: WAIT for remote TCP to confirm the connection interruption LAST-ACK: WAIT for the confirmation of the original connection interruption request sent to remote tcp time-WAIT: wait for enough time to make sure that the remote TCP receives the confirmation CLOSED of the connection interruption request: no connection status