临时出差任务
需求
- 网络重新架构.三层网络
- 服务器都按标准设置固定的IP，host名称以IP命名
- 路由器设置好做好映射，看看路由器能设置多少台设备，保证之后添加机器都能映射上
IP配置
bresee@bresee:~$ vim /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:
version: 2
renderer: networkd
ethernets:
enp129s0f0:
dhcp4: no
dhcp6: no
addresses: [10.50.12.10/22]
gateway4: 10.50.12.1
nameservers:
addresses: [10.30.12.6,10.50.0.50]
netplan apply
主机名配置
取出IP来之后，将主机名写入到配置文件当中，重启设备；
ip addr show eth0 | awk 'NR==3{print $2}' | sed -r 's@(^.*)\/24@\1@' > /etc/hostname
[root@ZhangHe ~]# ip addr show eth0 | awk 'NR==3{print $2}' | sed -r 's@(^.*)\/24@\1@' | awk -F"/" '{print $1}' | awk -F"." '{print $4}'
83
[root@ZhangHe ~]# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 172.24.16.83 netmask 255.255.240.0 broadcast 172.24.31.255
ether 00:16:3e:00:12:ed txqueuelen 1000 (Ethernet)
RX packets 8476793 bytes 3428325089 (3.1 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 9101378 bytes 1292103053 (1.2 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
loop txqueuelen 1000 (Local Loopback)
RX packets 168 bytes 13528 (13.2 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 168 bytes 13528 (13.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@ZhangHe ~]# ip addr show eth0 | awk 'NR==3{print $2}' | sed -r 's@(^.*)\/24@\1@' | awk -F"/" '{print $1}' | awk -F"." '{print $4}'
83
端口映射ssh号端口
H3C ER32002路由器