How to apply Magento patches
This should work on both versions of Magento "community and Enterprise".
This is how I apply patch locally:
Synchronizing system clock to Network Time Protocol (NTP) issue
When I was trying to connect to s3bucket from my local it failed and the reason I found was my system time was bit behind.
How to permanently save a password protected ssh key on your machine
First create a new bash process by running this command on your command line.
ssh-agent bash
It will ask you to enter your password once, then won't ask again.
Now add your ssh keys like this: