$ sudo -s -H

$ eval "$(ssh-agent -s)"

> Agent pid 59566

​

# 1/ check for previous keys (should not exists before the first time)

cd ~/.ssh #check for already existing pair of id_x and id_x.pub (id_rsa/id_edxxx/...)

​

# 2/ generate keys (if you dont have any) - pick one

#rsa

ssh-keygen -o

#ed algorithm (recommended)

ssh-keygen -t ed25519 -C you@mail.com

​

# 3/ add the key to the shh-agent

eval "$(ssh-agent -s)" #if the agent is running, it should return something like Agent pid 18544

sh-add ~/.ssh/id_ed25519 #or: ssh-add ~/.ssh/id_rsa

​

# 4/ copy the public key

cat ~/.ssh/id_ed25519.pub #or: cat ~/.ssh/id_rsa.pub

# copy all: ssh-ed25510...... you@mail.com or ssh-rsa....... you@mail.com

​

# 5/ past it to the github

# login - profile prefferences - ssh and gpg keys - new SSH key and paste 4/

​

# 6/ verify

ssh -v git@github.com

# if you got the following error: 

# The authenticity of host 'github.com (ip)' can't be established.

# execute the following command and try again:

ssh-keyscan github.com >> ~/.ssh/known_hosts

​

​

# Generating an ssh-keygen

​

# Change directory to the ssh directory

cd ~/.ssh

​

# Create SSH Key

ssh-keygen -o -t rsa -C "email@email.com"

​

# Add SSH Key (not the .pub file) to SSH Agent

eval `ssh-agent -s`

ssh-agent -s

ssh-add ~/.ssh/filename

​

# Create SSH Config file (~/.ssh/config)

"""

# Personal GitHub

Host github.com

    HostName github.com

    PreferredAuthentications publickey

    IdentityFile ~/.ssh/personal_rsa

# Non-Personal GitHub

Host nonpersonal.github.com

    HostName github.com

    PreferredAuthentications publickey

    IdentityFile ~/.ssh/nonpersonal_rsa

"""

​

# ssh-add

ssh-add -l

​

# test

ssh -T git@github.com

ssh -T git@nonpersonal.github.com

​

# Copy the contents of the ssh key public file (.pub file) to clipboard

# (WSL2 Specific)

cat filename.pub | clip.exe

​

# Go to "https://github.com/settings/keys"

# Click New SSH Key

# Paste the contents of the public file to Key

# Click Add SSH Key

​

# Go to the repository of the project you want to clone

# Select the SSH Link and copy it to the clipboard

# Then clone the repo

git clone git@github.com:SOME_ORGANIZATION/SOME_PROJECT.git

$ ssh-keygen -t rsa -b 4096 -C "example@gmail.com"

ssh-keygen -t rsa -C "ex@email.com"

$ ssh-keygen -t rsa -b 4096 -C "jhon.alexander.lopez@ibm.com"

# start the ssh-agent in the background

$ eval "$(ssh-agent -s)"

> Agent pid 59566

ssh-keygen -t rsa -b 4096 -C "[your github's email]"