在运行dubbo的demo程序时,发现控制台报错,提示为:
Starting the demo-provider ....bin/start.sh: line 72: nc: command not found .bin/start.sh: line 72: nc: command not found
应该是nc命令没有安装导致的,最简单的办法
yum install nc.x86_64
但是由于测试环境没有配置yum源,于是就只能用rpm包安装了
# Removes the old package yum erase nc # Manually downloads the working package from the Official Repository wget http://vault.centos.org/6.6/os/x86_64/Packages/nc-1.84-22.el6.x86_64.rpm # Installs the package rpm -iUv nc-1.84-22.el6.x86_64.rpm
如果你的机器是32位的(正常来说很少有32位机器)
wget http://vault.centos.org/6.6/os/i386/Packages/nc-1.84-22.el6.i686.rpm
使用nc命令:
# -u参数,-u代表udp协议 ,-v代表详细模式,-z代表只监测端口不发送数据。 nc -vuz 10.254.16.66 161