1. 改IP
vi /etc/sysconfig/network-scripts/ifcfg-ens33
# 不改動
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
UUID=ee4673db-6db1-4e77-b770-dcd2b0ccc45a
DEVICE=ens33
# 改下面
BOOTPROTO=static
ONBOOT=yes
IPADDR=192.168.4.11
GATEWAY=192.168.4.2
NETMASK=255.255.255.0
2. 改DNS
echo -e "nameserver 114.114.114.114\nnameserver 8.8.8.8" >> /etc/resolv.conf
3. 改yum源
下載阿里雲的yum源文件(失效百度找)
http://mirrors.aliyun.com/repo/Centos-7.repo
覆蓋文件
/etc/yum.repos.d/Centos-Base.repo
重新生成緩存
yum clean all
yum makecache
4. 改主機名
hostnamectl set-hostname myhostname
5. 關防火牆
systemctl stop firewalld
systemctl disable firewalld
X. *部分網絡錯誤解決方法
Q: Failed to start LSB: Bring up/down networking
systemctl stop NetworkManager
systemctl disable NetworkManager