linux►distro►centos

centos network

DNS

1
2
3
# centos 8
$ vim /etc/resolve.conf
nameserver 192.168.6.1 # 或其他

resolveconf

1

修改网络配置

1
2
3
4
5
6
7
8
9
10
11
12
13
# 文件
$ vi /etc/sysconfig/network-scripts/ifcfg-[network_device_name]

# 配置
ONBOOT=yes
BOOTPROTO=dhcp
GATEWAY=...
DNS1=...
DNS2=...

# 重启网络
$ systemctl restart network
$ systemctl restart NetworkManager # centos 8

sudo 权限无需密码

1
2
3
$ sudo visudo
# 添加如下内容，替换掉下面的用户名
<username> ALL=(ALL) NOPASSWD:ALL