1、centos7中没有ifconfig
安装net-tools即可
yum install -y net-tools
2、关闭selinux
查看selinux状态:getenforce
临时关闭:setenforce 0
永久关闭selinux:
vi /etc/selinux/config
将SELINUX=enforcing改为SELINUX=disabled ,重启后生效
3、关闭防火墙
临时关闭:systemctl stop firewalld
禁止开机启动:systemctl disable firewalld
4、报错
1、错误信息:Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
解决:
yum provides '*/applydeltarpm'
yum install deltarpm