Jekyll has been successfully installed locally;
Use command: $ jekyll serve startup to report an error? ?
error:permission denied -bind(2) for 127.0.0.1:4000
Local environment: win7
This is caused by the port 127.0.0.1: 4000 being occupied.
First: Find out which process occupied 4000 ports
netstat -aon | findstr “4000”
The process found to occupy 4000 ports is 2844
Second: close the conflicting process (fast key ctrl+shift+esc)