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Centos8安装和基本设置

1、安装Centos8

mini 版: http://isoredirect.centos.org/centos/8/isos/x86_64/

2、开启SSH

1. 修改config

$ vim /etc/ssh/sshd_config
Port 2222
PermitRootLogin yes
PasswordAuthentication yes

2. 关闭 SELINUX

不关闭ssh服务无法启动

$ vim /etc/selinux/config
SELINUX=disabled

3. 关闭 firewalld

$ systemctl disable firewalld.service

4. 开启路由转发

$ vim /etc/sysctl.conf
net.ipv4.ip_forward = 1