查看“Ubuntu配置网络和hostname”的源代码

=18.04 server=
<pre>
sudo hostnamectl set-hostname "k8s-master"

vi /etc/cloud/cloud.cfg
preserve_hostname: false  ---> 改成 true

vi /etc/hostname

reboot
</pre>
[https://www.howtoing.com/configure-network-static-ip-address-in-ubuntu 如何在Ubuntu 18.04中配置网络静态IP地址]

[https://www.cnblogs.com/jianxuanbing/p/10042892.html Ubuntu 18.04 Server 设置静态IP]

[https://www.jianshu.com/p/7b19961ff425 ubuntu server 18.04版本netplan网络配置]

=网络=
==ubuntu18.04==
<pre>
 cat /etc/netplan/50-cloud-init.yaml 
# This file is generated from information provided by
# the datasource.  Changes to it will not persist across an instance.
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
    ethernets:
        ens18:
            addresses: 
            - 192.168.88.59/24
            gateway4: 192.168.88.1
            nameservers: 
                addresses: [8.8.4.4]
            optional: true    
    version: 2




 netplan apply#，可以立即生效 此处ip 为192.168.88.59

DNS

cat  /etc/systemd/resolved.conf
[Resolve]
DNS=223.6.6.6
#FallbackDNS=
#Domains=
LLMNR=no


systemctl restart systemd-resolved.service

</pre>

[https://blog.csdn.net/weixin_43640082/article/details/83859885  Ubuntu 18.04 永久修改DNS的方法]


==ubuntu16.04==
<pre>
root@ubuntu16:~# cat /etc/network/interfaces
source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto ens18
#iface ens18 inet dhcp
iface ens18 inet static 
address 192.168.88.30 
netmask 255.255.255.0 
gateway 192.168.88.1
dns-nameserver 8.8.4.4
</pre>

=Ubuntu 18.04 Server安装过程详解 =
[https://blog.csdn.net/zhengchaooo/article/details/80145744 Ubuntu 18.04 Server 版安装过程图文详解]

[https://blog.csdn.net/y472360651/article/details/80875056 Ubuntu 18.04-安装图文教程]
 [[category:ops]]  [[category:linux]]