Fix “Permissions are too open … private key will be ignored”
Change permissions:
sudo chmod 600 ~/.ssh/id_rsa
sudo chmod 600 ~/.ssh/id_rsa.pub
sudo chmod 644 ~/.ssh/known_hosts
sudo chmod 755 ~/.ssh
Change permissions:
sudo chmod 600 ~/.ssh/id_rsa
sudo chmod 600 ~/.ssh/id_rsa.pub
sudo chmod 644 ~/.ssh/known_hosts
sudo chmod 755 ~/.ssh