SSH 的必备知识

Host doc
    HostName 172.17.66.69
    User ubuntu
    # IdentityFile /Users/xxx/.ssh/id_rsa_A
    # IdentitiesOnly yes

Host build
    HostName 172.17.66.14
    User kylin
    # IdentityFile /Users/xxx/.ssh/id_rsa_A
    # IdentitiesOnly yes