linux-查看网络连接数

方法1:

# netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'
CLOSE_WAIT 94
ESTABLISHED 145
TIME_WAIT 1

方法2:

# ss -s
Total: 503 (kernel 1775)
TCP:   341 (estab 145, closed 79, orphaned 0, synrecv 0, timewait 57/0), ports 0

Transport Total     IP        IPv6
*	  1775      -         -        
RAW	  1         0         1        
UDP	  1         1         0        
TCP	  262       162       100      
INET	  264       163       101