端口测试

#!/bin/bash 

list="10.30.25.48 10.30.25.47 10.31.126.37"
#list="10.31.126.37"
ports="6379 22 3306 27017 4505 4506 24007 24008 49152" 
#ports="6379 6378"
for i in $list 
do 
for j in $ports
do
# echo $i $j is apoint
# ssh -v -p $j $i|grep "established"
nc $i $j </dev/null 2>/dev/null
if [ $? -eq 0 ];then
echo $i $j connect success
else
echo $i $j connect failure
fi 
done
done

测试端口号ipcheckport.sh,核心命令nc

参考

nc: invalid option -- 'z'解决方法

引用http://blog.jues.org.cn/post/nc-invalid-option-z-jie-jue-fang-fa.html