linux下查看所有监听端口
1.检查所有监听端口
#netstat -tln | awk 'NR>2{sub(".*:","",$4);print $4}'

2.检查所有监听端口并排序去重
#netstat -tln | awk 'NR>2{sub(".*:","",$4);print $4}' | sort | uniq

1.检查所有监听端口
#netstat -tln | awk 'NR>2{sub(".*:","",$4);print $4}'

2.检查所有监听端口并排序去重
#netstat -tln | awk 'NR>2{sub(".*:","",$4);print $4}' | sort | uniq
