Python
Java
PHP
IOS
Android
Nodejs
JavaScript
Html5
Windows
Ubuntu
Linux
hadoop环境搭建之关闭防火墙和SELinux
每一台服务器上都要做1 2 1 关闭防火墙 查看防火墙状态 systemctl status firewalld 关闭防火墙 systemctl disable firewalld systemctl stop firewalld 查看防火
Linux
Hadoop
CentOS7关闭防火墙
CentOS7禁用SELinux
Linux关闭防火墙