It is required that your private key files are NOT accessible by others. This private key will be ignored. Load key WiretroneWebApp.pem: bad permissions code example

Example 1: it is required that your private key files are not accessible by others

$ sudo chmod 600 /path/to/my/key.pem

Example 2: It is required that your private key files are NOT accessible by others. This private key will be ignored.

# if you are using WSL then include sudo before the commands
sudo ssh ...