error msg: Could not open a connection to your authentication agent.

[Dave]

ec2-user:~/environment $ ssh-add ~/.ssh/id_rsa
Could not open a connection to your authentication agent.

public and private key have been added. ssh-add doesn't seem to work.

[Dave]

ec2-user:~/environment $ eval 'ssh-agent'
SSH_AUTH_SOCK=/tmp/ssh-r8odUROXSYK8/agent.3979; export SSH_AUTH_SOCK;
SSH_AGENT_PID=3980; export SSH_AGENT_PID;
echo Agent pid 3980;

I confirmed this step also. 

[Jeff Sikala]

Then what's the next step?

[Nathan A]

Have you gotten past that issue? I seem to be facing the same. With Sourcetree SSH works after loading keys in Pageant. But in the terminal, although ps shows there is an agent running, it still does not connect to the agent