pem permissions too open code example
Example 1: Load key ".pem": bad permissions
chmod 400 ~/.ssh/mykeyfile.pem
Example 2: change permissions pem
chmod 400 key.pem
Example 3: pem key permissions too open
chmod 400 mykey.pem
chmod 400 ~/.ssh/mykeyfile.pem
chmod 400 key.pem
chmod 400 mykey.pem