First of all, you need to read the content of these two parts and configure your own openEuler system first.
(3 messages) openEuler network configuration + source change + desktop environment ukui and other basic environment deployment , ping + host number, and ping baidu.com can receive data, indicating that there is no problem with the system configuration. The next step that needs to be done is to turn off the firewall. See link below.
(3 messages) xshell appeared Could not connect to '192.168.2.100' (port 22): Connection failed. Problem solving_fairy tale℡'s blog-CSDN blog https://blog.csdn.net/weixin_45149209/article/ details/119648929 Then, if you still can't connect, then you need to configure your own computer.
Edit the network settings of your own virtual machine
Select Internet Protocol Version 4
Edit the properties, and then set the corresponding IP. The IP is the first 9 digits set in the virtual machine, and the last three digits are set randomly by yourself. The subnet mask is automatically generated, and the default gateway is not consistent with the previous IP.
Then connect to Xshell to succeed.