docker下centos安装ping命令

问题：从docker hub上拉取到则镜像centos:6.7在执行ping命令报错

[root@dcd9947346b3 /]# ping
bash: ping: command not found

解决方法：yum 安装ping

yum install -y iputils

补充：ubuntu安装ping命令 apt-get install inetutils-ping

转自： https://blog.csdn.net/king_gun/article/details/78423115