Error in network defenition etc/netplan/01-netcfg.yaml line 0 collumn 8: expected mapping.

在给Ubuntu 20.04设置静态IP时，出现Error in network defenition etc/netplan/01-netcfg.yaml line 0 collumn 8: expected mapping.错误

network:
 version: 2
 renderer: networkd
 ethernets:
 ens3:
 dhcp4: no
 dhcp6: no
 addresses: [5.157.82.219/23]
 gateway4: 5.157.82.1
 nameservers:
 addresses: [109.235.76.162,93.94.226.236,85.158.203.252,85.158.200.76,8.8.8.8]

解决方案：

一定要注意缩进

network:
 version: 2
 renderer: networkd
 ethernets:
  ens3:
   dhcp4: no
   dhcp6: no
   addresses: [5.157.82.219/23]
   gateway4: 5.157.82.1
   nameservers:
    addresses: [109.235.76.162,93.94.226.236,85.158.203.252,85.158.200.76,8.8.8.8]

参考链接：

https://askubuntu.com/questions/1124239/yaml-expected-mapping