<p>Strauss is the mainframe computer at UD that runs SAS. Here's how to connect to it: From a Mac, on campus, the first time:</p><p>1. Open Terminal. Every Mac has this program. It's in the Utilities folder, which is in your Applications folder. You'll want to drag it to the Taskbar for future use.</p><p>2. You'll get a window that looks like this:</p><p>You use Terminal by typing commands at the $ prompt and hitting "return." Type ssh-keygen -R strauss.udel.edu and hit "return." Every character must be exactly correct, the dashes, spaces, and upper and lower case should all be there. </p><p>You should get </p><p>Now enter ssh [email protected] where "yourname" is your user name (the one you use for e-mail, etc.). You should get </p><p>The authenticity of host 'strauss.udel.edu (128.175.13.74)' can't be established. RSA key fingerprint is f3:f9:6c:42:c0:8e:ea:77:e5:16:55:0d:fd:ba:1b:b0. Are you sure you want to continue connecting (yes/no)? </p><p>Enter "yes". You'll get </p><p>Warning: Permanently added 'strauss.udel.edu,128.175.13.74' (RSA) to the list of known hosts. [email protected]'s password: </p><p>Enter your password (the one you use for e-mail), and you'll get this:</p><p>Last login: Fri Oct 14 12:27:24 2016 from host10-7-74-219 Sun Microsystems Inc. SunOS 5.10 Generic January 2005 strauss.udel.edu%</p><p>The prompt with the percent sign means that you're connected to Strauss; you type commands there, and you make the Strauss computer do stuff for you; see http://www.biostathandbook.com/sasintro.html for further instructions. From a Mac, on-campus, subsequent times:</p><p>1. Open Terminal and enter ssh [email protected] and then enter your password. From a Mac, off-campus, the first time:</p><p>1. Download Cisco AnyConnect from http://downloads.udeploy.udel.edu/?dlid=1187</p><p>2. Install the program. When you're given the list of programs to install, click on "VPN" and unclick everything else. </p><p>3. Cisco AnyConnect Secure Mobility Client will be in the Cisco folder, in your Applications folder. Drag it to the taskbar for future use.</p><p>4. Open the program, you'll get a window like this. Hit "Connect" 5. You'll get a window like this:</p><p>Change the Group to UDEL-VPN-OATH, if it's not already there. Enter your password (the one you use for e-mail). For the Second Password, enter "sms1" (the letters "sms" followed by the numeral 1). Hit OK. </p><p>6. You'll get a text message on your phone with a six-digit number. Re-enter your password, enter this number for the Second Password, and hit OK. </p><p>7. The AnyConnect windows should disappear. Now follow the instructions given above for connecting from on campus for the first time.</p><p>8. If you haven't set up two-factor authentication (to get a six-digit number texted to you), go to https://www1.udel.edu/it/help/2fa/ for instructions.</p><p>From a Mac, off-campus, subsequent times:</p><p>1. Follow steps 4 through 7 given above under "From a Mac, off-campus, the first time." </p>