Setup github ssh keys Reminder

README.sh

# Reminder on how to setup github ssh keys in bash.
mkdir -p ~/.ssh

ssh-keygen -t ed25519 -C "<COMMENT>"

# Add public Key to github
# ...

# Permissions Reminder
# https://superuser.com/questions/215504/permissions-on-private-key-in-ssh-folder
# https://superuser.com/users/922699/
chmod 700 ~/.ssh
chmod 644 ~/.ssh/*.pub
chmod 600 ~/.ssh/<private>

ls -l ~/../
# lastly your home directory should not be writeable by the group or others (at most 755 (drwxr-xr-x)

# ssh config file
cat <<EOF >~/.ssh/config
Host github
    HostName github.com
    User git
    Port 22
    IdentityFile ~/.ssh/<private>

Host github.com
    HostName github.com
    User git
    Port 22
    IdentityFile ~/.ssh/<private>
EOF