Useful Macintosh Commands

How to reset forgotten mac password on mac
Simply restart your macbook then
Hold down  Command and R
type in: resetpassword



If you are logged in on mac and want to change your password via terminal
simply open up terminal

then run passwd
then enter your new password





Troubleshoot Mac network issues
If you want to run graphically just find network utility or you may execute commands via terminal
note: after executing commands TO EXIT
simply hit CONTROL Z on your macbook keyboard

Following commands that I use

traceroute - http://www.inmotionhosting.com/support/website/how-to/read-traceroute



whois

ping



127.0.0.1 this simply refers to local host
anything being redirected to this localhost will not have internet connection

in macbook

sudo nano /etc/hosts

sudo dscacheutil -flushcache  this command flushes DNS CACHE


control + o means save




Video tutorials
https://youtu.be/AimCNTzDlVo

All computer Networking troubleshooting
http://goo.gl/WXNhTr