Insert a USB bootable disk on the device or mount the ISO image on the virtual machine, wait for a while and then load the language selection interface as shown in the figure below.
Press Enter directly to select the default English
To configure the network physical machine, it is best to configure the network first
Select the network card, edit IPV4
Modify fixed IP address
Configure the proxy, just press Enter to skip
Configure the software source, if you don’t want to modify it, just press Enter to continue
Select the installation disk and press Enter to automatically allocate by default. If manual partitioning is required, select [custom storage layout]
Check whether the disk partition meets your requirements, press Enter to continue
Confirm again Continue to continue
Set computer name, user name and password
Press the space bar to choose to install the OpenSSH Server service
Select the preset environment, select as needed, and press Enter to continue if you don’t need it
Start to install the system, if the network status will automatically install the system update
You can also directly select [Cancel update and reboot] to restart without installing the update
Successfully log in to the system after entering the account password
Additional settings:
1. Update the system
sudo apt update
sudo apt upgrade
2. Install ifconfig
sudo apt install net-tools
3. View IP
ifconfig
4. Enable root user login
1. Set a password for the root account
Enter the command in the current common user interface:
sudo passwd root
Then press the prompt to enter the password twice.
2. Modify the sshd configuration
sudo vi /etc/ssh/sshd_config
Press i to enter the edit mode, and find #PermitRootLogin prohibit-password, which is commented out by default. Add a line directly below: PermitRootLogin yes, then press esc, enter: wq to save and exit.
3. Restart the sshd service
sudo systemctl restart sshd