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ssh-copy-id using a different/custom port


Have you ever created your own cloud server and changed your ssh port from the default 22 to something else? And have you ever tried to use ssh-copy-id to copy your local ssh public key to the remote and it doesn't work?

The answer is simple. There are no parameters that you can provide for ssh-copy-id command. Instead do the following:

ssh-copy-id -i id_rsa.pub "user@domain.com -p 12345"
That's it. It should work without a problem. 

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Rails Engine - How To Keep Your Engine Migrations Abstracted From Your Host Rails App

Have you ever worked on building a Rails Engine and wanted to keep the models, the migrations and everything inside the engine rather than using a generator to copy paste them into your host Rails App? That's a problem everybody faces one time or the other when building Rails Engines to abstract out your huge Rails App. I have found one such solutions that can be helpful for you to keep them separate. Here is a solution for it.
Problem Statement: Instead of using

    rails g my_engine:install
to copy paste the migrations from engine to your rails app, you want to just keep the migrations inside the Rails Engine and do not bother about it.
Solution:  Add the following lines to your engine, so that your engine's migration files are added to the rails app as well.

Now you can do the following from your rails app to run your migrations as you always do:

rake db:migrate
Hope it helps you! If it does help you, give me a shoutout below!

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