Linux Cơ Bản

1. Change Hostname

 hostnamectl set-hostname newhostname

2. Change IP Address trên Ubuntu 20.04 LTS

1. Tạo một file /etc/netplan/01-netcfg.yaml

network:
  version: 2
  renderer: networkd
  ethernets:
    ens3:
      dhcp4: no
      addresses:
        - 192.168.121.221/24
      gateway4: 192.168.121.1
      nameservers:
          addresses: [8.8.8.8, 1.1.1.1]

2. Apply changes

netplay apply

3. Change IP Address trên Ubuntu 22.04 LTS

Có sự thay đổi trên Ubuntu 22.04

1. Tạo một file /etc/netplan/01-netcfg.yaml

network:
  version: 2
  renderer: networkd
  ethernets:
    ens3:
      dhcp4: no
      addresses:
        - 192.168.121.221/24
      routes: 
        - to: default
          via: 192.168.121.1
      nameservers:
          addresses: [8.8.8.8, 1.1.1.1]

2. Apply changes

netplay apply