Server SSH configurations and tools - Shortcuts

An extraction of useful comands and tools to configure a remote server

Adding access through SSH key

It is usefull for allowing access without password prompt in ssh, Visual Studio Code and many other applications, while improving security during the authentication.

Generate RSA key pair

The command is:

ssh-keygen

Default configurations is 2048 bit RSA key, For an higher protection key and use 4096 bit RSA keys use:

ssh-keygen -b 4096

Follow the procedure and choose a user password.

Transfer key to the server

Easy tool to transfer the public key to the server is this command:

ssh-copy-id username@remote_host

Copy public RSA key to Keyboard

cat ~/.ssh/id_rsa.pub | pbcopy

Docker references

Load an image

docker load < my-docker-image.img

Lunch Docker

docker-compose up

Docker Hub - login

docker login --username username

Push image to docker Registry

docker tag your-image-id-518a41981a6a myRegistry.com/myImage docker push myRegistry.com/myImage