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@xposedbones
xposedbones / map.js
Last active March 23, 2024 19:12
Javascript Map range of number to another range
Number.prototype.map = function (in_min, in_max, out_min, out_max) {
return (this - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
@dragonjet
dragonjet / 1-server.md
Last active July 31, 2021 21:01
Setup Web Server on EC2 Amazon Linux AMI

Step 1: Server Credentials

This assumes you are now connected to the server via SSH.

  • sudo -s Enter root mode for admin access
  • groupadd devgroup Create new group to be later granted access to /var/www/html

Creating a new Root User

  • useradd -G root,devgroup masterdev Create new root user. Also add to the devgroup
  • passwd masterdev Change password for the new root user
  • At this point, you'll need to input your new root user's new password