CentOS 7.5配置网络

CentOS 7.5配置网络1、ifconfig命令找不到解决方法：安装net-tools.x86_64工具包 yum install net-tools.x86_642、iptables无法使用解决方法：yum install iptables-servicesvi /etc/sysconfig/iptables #配置防火墙参数# sample configuration for iptables service
# you can edit this manually or use system-config-firewall
# please do not ask us to add additional ports/services to this default configuration
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT:wq！ #保存退出systemctl restart iptables.service #最后重启防火墙使配置生效systemctl enable iptables.service #设置防火墙开机启动CentOS 7 下如何设置DNS服务器 http://www.linuxidc.com/Linux/2016-09/134944.htmCentOS 6.4下双网卡bond配置 http://www.linuxidc.com/Linux/2016-08/134490.htm更多CentOS相关信息见CentOS 专题页面 http://www.linuxidc.com/topicnews.aspx？tid=14本文永久更新链接地址