1. Set up the network adapter
The network connection is set to -- bridge mode , all the red boxes must be checked
2. Open the SSH service and check the IP address
# 下载SSH服务
$ sudo apt-get install openssh-server
# 验证下载后是否已经开启了服务，如果只有ssh-agent表示还没启动
$ ps -e | grep ssh
# 开启服务，如果显示sshd，则说明已启动成功
$ /etc/init.d/ssh start
# 查看Ubuntu的IP地址
$ ifconfig
3. FileZilla is linked with Ubuntu
Enter the IP address in the host column, and then enter the user name, password and port information respectively, here the port is set to 22
The local site displays the disk file directory of the real machine, and the remote site displays the disk file directory of the Linux virtual machine, and the file transfer function can be realized by dragging each other
