mike1011-nattyhatty

Created January 14, 2023 03:43 — forked from mabdelfattah/Install Rbenv, Ruby, MySQL, Nginx, Puma and Mina on CentOS7.md

Install and configuer rbenv, Ruby, MySQL, Nginx, Puma and Mina on CentOS7

Change SSH Port and Disable Root Login

Edit SSH Config File (You need sudo permission)

vi /etc/ssh/sshd_config

Update/Uncomment the # Port 22 line and change the port number to something else, let's say 9044, to be something similar to the following:

Port 9044

Disable Root Login, by uncommenting # PermitRootLogin yes and change it to

mike1011-nattyhatty / arel_cheatsheet_on_steroids.md

Created October 25, 2022 21:13 — forked from ProGM/arel_cheatsheet_on_steroids.md

Arel cheatsheet on Steroids

A (more) complete cheatsheet for Arel, including NamedFunction functions, raw SQL and window functions.

posts = Arel::Table.new(:posts)
posts = Post.arel_table # ActiveRecord