ubuntu22.04 installation tutorial

1. Select language (default)

2. Cancel the installation of updates (default)

3. Select keyboard language (default)

4. Configure ip, you can choose dhcp directly, or you can choose to configure static ip (default)

5. Configure the agent to skip and not fill in

6. Set mirror source (default)

https://mirrors.aliyun.com/ubuntu/

7. Disk configuration, the default is fine (default)

8. Set username and password (default)

9. Token skip and do not fill in

10. Set up ssh

Move the cursor to [], press and hold the space bar

11. Service installation

Select the service to be installed, move the cursor to [], press and hold the space bar

12. Installation

The installation is complete

13. Configure ssh

set root password

sudo passwd root

#Configure root remote login, switch root account

su root 

#Modify the configuration file

vim /etc/ssh/sshd_config

#Add row and save

PermitRootLogin yes 

#Restart ssh service

service ssh restart 

14. Update

# 检查需要更新的软件包，只检查不更新
apt update 
# 列出需要更新的软件包
apt list --upgradable 
# 更新已安装的软件包
apt upgrade