I siege lion as a front-end, really not very good at using the Linux operating system, but because of the psychological eager to learn, understand and finally decided to use Linux.
First, using a virtual machine installed Linux operating system.
Second, the installation is complete Xshell use tools to operate the command line ( below the comment Xshell no activation tool to link )
Xshell connect the virtual machine CentOS system
If you do not know the ip linux words
Executed under Linux ip addr command to view
After clicking OK, and you will enter your user name and password of linux
If not set, then the user name default is root
Then you can connect a success