查看连接数

netstat -ano|grep WAIT|wc -l

ss -na |grep :3002 |grep EST |wc -l

ss -na |grep :10051  |grep WAIT |wc -l;ss -na |grep :10051  |grep EST |wc -l;ss -na |grep :10051  |wc -l

nc -vz 10.53.154.79 10050