locations:-
windows :-
C:\Users\<username>\.ssh
C:\Users\<username>\.ssh\authorized_keys
C:\Users\<username>\.ssh\id_rsa 👈private key
C:\Users\<username>\.ssh\id_rsa.pub 👈public key
Linux :-
/home/<username>/.ssh
/home/<username>/.ssh/authorized_keys 👈authorized key
/home/<username>/.ssh/id_rsa 👈private key
/home/<username>/.ssh/id_rsa.pub 👈public key
permissions:-
chmod 700 ~/.ssh or chmod 777 /home/<username>/.ssh
chmod 600 ~/.ssh/authorized_keys or chmod 600 /home/<username>/.ssh/authorized_keys
chmod 600 ~/.ssh/id_rsa or chmod 600 /home/<username>/.ssh/id_rsa
chmod 644 ~/.ssh/id_rsa.pub or chmdo 644 /home/<username>/.ssh/id_rsa.pub
To generate ssh key on windows and linux
ssh-keygen -t rsa -b 4096 -C "user@gmail.com"
or
ssh-keygen -t rsa
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share your id_rsa.pub key to target server ~/.ssh directory and activate id_rsa private key on source server(your own server/windows)
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