Host overseer
    HostName 207.154.210.186
    Port 22
    User yigit
    ServerAliveInterval 180
Host dev
    HostName 10.10.3.49
    Port 22
    User syigit
Host beast
    HostName 10.10.2.21
    Port 22
    User yigit
Host wins.ceng.metu.edu.tr
    Port 8083
    Preferredauthentications publickey
    IdentityFile ~/.ssh/id_ed25519