Cool, might try it out! Are there any solutions repositories for them. I’d love to get an explanation for the ones I’m about to fail.
Personal advice: don't use solutions repo. Googling the problem and then digging deep into the solutions will teach you hell lot more. Read the man pages of commands that turn up on Google, try them with different options, try to find different commands which can do almost the same thing may be a bit differently .... all these will help you learn things lot more.