$ ssh-add ./.ssh/id_rsa_do Could not open a connection to your authentication agent. code example

Example 1: could not open a connection to your authentication agent

eval `ssh-agent -s`
ssh-add

Example 2: Could not open a connection to your authentication agent.

$ eval `ssh-agent -s`

Example 3: git bash Could not open a connection to your authentication agent. when adding ssh

ssh-agent bash
ssh-add