Mongo DB on Fedora

On the Mongo DB site, there will only be instruction for red hat, and if you just simply follow the instruction, obviously it won’t work. since the instruction is relying on the variable $releaseserver to determine which of your OS level. for Fedora it returns 24 if you are running Fedora 24, but if you check…

Google OAuth2 with ExpressJs

It took me a bit effort to understand google api example of oauth and how to apply to your webpage with Expressjs. if you are nodejs guru, this article is probably not for you. But if you find the original example provided by google is not straight forward, read on. (here is original google api of…