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OS X resources
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Secure Connections

If you want to know why you can't use telnet and ftp (Fetch) anymore to access department servers, read the blurb.

OS X has ssh, scp and rsync built-in. Command line Terminal is in Applications → Utilities.

Filezilla is a GUI program for both SSH File Transfer or SFTP. Install using your distribution's software manager or download from Lauch the program, choose File > Site Manager > New Site. Configure SFTP connection to gauss:

Protocol: SFTP - SSH File Transfer Protocol
Logon Type: Ask for password
User: your username on gauss

Click OK to save configuration or Connect to save and connect at once.


Dartmouth VPN

Dartmouth currently supports the GlobalProtect VPN client by Palo Alto Networks. See installation instructions for macOS.

Math VPN

Math VPN uses OpenVPN technology.

  1. Download DigiCert root certificate (Ctrl-click, Save As...).
  2. Get Math VPN configuration file MathVPN.conf
  3. Download Tunnelblick. It's an OpenVPN client and GUI for macOS.
  4. Open downloaded disk image and launch Tunnelblick. Choose I have configuration files.
  5. Drag and drop the downloaded MathVPN.conf onto Tunnelblick icon in desktop menu bar.
  6. Click on Tunnelblick icon in desktop menu bar. Select Connect ‘MathVPN’. When asked for Username and Password, use your Math (“gauss”) username and password. After a few moments you should see the light in Tunnelblick icon. You are connected to Math VPN now.
  7. To disconnect click the tunnel icon again and select Disconnect.
  8. N.B. If you get DNS-related errors while conencting, please change a setting in Tunnelblick:
    Configuration → Settings → Advanced → Connecting & Disconnecting, check “Allow changes to manually-set network settings”.

Math Email

If you have Math Dept. user account (also known as “gauss” account), you also have a corresponding email account. Your Math email arrives at (and can be sent from) server. It can be accessed instantly and globally via Webmail — this does not require any configuration! As for email applications, all of them, including mobile, can be configured to use your Math account using these generic settings:

Below are step-by-step instructions on how to add your account to Thunderbird and Apple Mail. Please use plain text to write email whenever possible (, thank You!


  1. ToolsAccount SettingsAccount ActionsAdd Mail Account
    Your name: Your real name
    Email address:
    Password: password for the above
    Continue — Thunderbird will probe servers and should detect correct connection settings:
              Incoming:  IMAP  143  STARTTLS
              Outgoing:  SMTP  587  STARTTLS
    If settings were detected correctly — click Create Account.
    Otherwise click Manual Setup and enter correct settings under Server Settings and Outgoing Server (SMTP).
  2. ToolsAccount Settings
    Server Settings: Advanced: IMAP server directory: mail
    Composition & Addressing: Uncheck “Compose messages in HTML format”.

Apple Mail

  1. PreferencesInternet AccountsMail Account
    Name: Your real name
    Email Address:
    Password: password for the above
    Sign In — Mail will try to autodetect. If it fails, fill in:
    Account Type: IMAP
    Incoming Mail Server:
    Outgoing Mail Server:
    Sign In

    Select the apps… check “Mail”
  2. Mail → PreferencesComposing
    Message Format: Plain Text

Vacation Autoreply

  1. Start Filezilla. Connect to gauss using Math username and password.
  2. Edit autoreply message text:
    • Find .vacation.msg
    • Ctrl-click on it, choose View/Edit, make any changes, save, close editor window.
    • Filezilla will offer to upload changed file back to the server. Choose “Yes”.
  3. Enable autoreply:
    • Find .procmailrc
    • Ctrl-click on it, choose View/Edit, find these two lines:
      #|/usr/bin/vacation username
    • Remove any leading # characters from both lines, save, close editor window, “Yes” to upload.
  4. Send an email to yourself from another mail account as a test.
  5. To disable autoreply, edit .procmailrc and comment out the two lines by putting back # characters at the beginning of each line.

Backing up your files

Ask Laurie Johnson in 102B about backing up Mac and Windows.

Making X connections to UNIX/Linux machines

X Window system for Mac OS X — XQuartz — can be downloaded from