CentOS 7安装后的一些工作记录

安装net-tools:

yum install -y net-tools

安装epel源

yum install epel-release

安装fail2ban

yum install fail2ban

安装开发工具包

yum groupinstall "Development Tools"

禁用SElinux:

vi /etc/selinux/config，修改SELINUX=disabled，确认一下：getenforce

安装iptables和iptables-service,关掉和禁用firewalld:

yum install -y iptables iptables-services

systemctl stop firewalld

systemctl mask firewalld