yum install net-tools -y 才能使用ifconfig
eth0 eth1
em1 em2
iptables -F
setenforce 0
ifconfig eno16777736 192.168.16.102 netmask 255.255.255.0
ifconfig eno16777736 192.168.16.102/24
ifconfig eno16777736:0 192.168.16.104/24
/etc/sysconfig/network-scripts
vim ifcfg-eno16777736网卡配置
etc/ resolv.conf DNS配置
改子网掩码？
systemctl restart network
route add default gw 192.168.16.254
rpm -ivh 安装
-q 查看
-qa |grep 名 过滤查看
-e 卸载
-ql 查看安装路径
-qi 查看安装信息
-qf 查看命令安装来源
vim /etc/yum/yum-cron-hourly.conf