ubuntu20设置静态IP地址
4. 配置静态IP
[root@ubuntu2004 ~]#vim /etc/netplan/01-netcfg.yaml
# This file describes the network interfaces available on your system
# For more information, see netplan(5).
network:
version: 2
renderer: networkd
ethernets:
eth0:
addresses: [10.0.0.15/24]
gateway4: 10.0.0.2
nameservers:
addresses: [223.5.5.5,8.8.8.8]
#修改网卡配置文件后需执行命令生效：
[root@ubuntu2004 ~]#netplan apply
#查看IP
[root@ubuntu2004 ~]#ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 00:0c:29:88:18:c6 brd ff:ff:ff:ff:ff:ff
inet 10.0.0.15/24 brd 10.0.0.255 scope global eth0
valid_lft forever preferred_lft forever
inet6 fe80::20c:29ff:fe88:18c6/64 scope link
valid_lft forever preferred_lft forever
#查看gateway
[root@ubuntu2004 ~]#route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 10.0.0.2 0.0.0.0 UG 0 0 0 eth0
10.0.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
#查看DNS
[root@ubuntu1804 ~]#systemd-resolve --status
[root@ubuntu2004 ~]#resolvectl status ##Ubuntu 20.04新命令
Global
LLMNR setting: no
MulticastDNS setting: no
DNSOverTLS setting: no
DNSSEC setting: no
DNSSEC supported: no
DNSSEC NTA: 10.in-addr.arpa
16.172.in-addr.arpa
168.192.in-addr.arpa
17.172.in-addr.arpa
18.172.in-addr.arpa
19.172.in-addr.arpa
20.172.in-addr.arpa
corp
d.f.ip6.arpa
home
internal
intranet
lan
local
private
test
Link 2 (eth0)
Current Scopes: DNS
DefaultRoute setting: yes
LLMNR setting: yes
MulticastDNS setting: no
DNSOverTLS setting: no
DNSSEC setting: no
DNSSEC supported: no
Current DNS Server: 223.5.5.5
DNS Servers: 223.5.5.5
8.8.8.8
