Ubuntu 修改 DNS

永久修改 DNS临时修改 DNS

永久修改 DNS

修改 resolved.conf 文件

<code>$ sudo vim /etc/systemd/resolved.conf

修改 DNS 项

[Resolve]

DNS=114.114.114.114

DNS=8.8.8.8

#FallbackDNS=

#Domains=

#LLMNR=no

#MulticastDNS=no

#DNSSEC=no

#Cache=yes

#DNSStubListener=yes

重启 systemd-resolved 服务

$ sudo systemctl restart systemd-resolved

设置开机启动 systemd-resolved 服务

$ sudo systemctl enable systemd-resolved

备份 systemd-resolved 托管文件 resolv.conf

$ sudo mv /etc/resolv.conf /etc/resolv.conf.bak

重新生成。

$ sudo ln -s /run/systemd/resolve/resolv.conf /etc/

临时修改 DNS

修改 resolv.conf 文件

$ sudo vim /etc/resolv.conf

修改 DNS 项

nameserver 8.8.8.8