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+[[!meta title="scripts.mit.edu Fedora 15 transition"]]
+On Monday, November 21, 2011, all of the scripts.mit.edu servers
+were upgraded from
+[Fedora 13](https://fedoraproject.org/wiki/Releases/13) to
+[Fedora 15](https://fedoraproject.org/wiki/Releases/15), which was
+released on May 25. We strongly encourage you to test your website
+and to contact us at [scripts@mit.edu](mailto:scripts@mit.edu) if
+you experience any problems.
+
+The following information was written during the testing period to
+provide background and answer frequently-asked questions regarding
+the upgrade.
+
+### Why are we upgrading?
+
+Keeping the scripts.mit.edu servers secure is one of the most
+important things that the team works on. This includes not only
+careful design and review of the custom software that we run, but
+keeping up to date with security patches for Fedora, which is the
+distribution of Linux that we run. Fedora’s security support for
+Fedora 13 has already ended, and while we have been manually
+backporting security fixes during this period of time, we will be
+upgrading to Fedora 15 to receive official security support for
+approximately another year.
+
+### Will I need to do anything to my website?
+
+We expect that for the vast majority of our users, the upgrade will
+be very smooth, your applications will work with no changes, and
+you won’t have to do anything. However, we strongly encourage you
+to test your website as soon as possible. Also, check the list of
+known issues to see if you are likely to experience any problems
+we’re already aware of. In particular, the system installations of
+Trac, Rails and TurboGears have had upstream upgrades that are
+somewhat backwards incompatible.
+
+### How will the upgrade work?
+
+Sometime on Monday, November 21, five scripts.mit.edu servers
+running Fedora 15 will be added to the load-balancing pool, and
+simultaneously the five current Fedora 13 servers will be removed
+from the pool. Over the course of the next few days, additional
+Fedora 15 servers will be set up and made available.
+
+### Will there be a service outage?
+
+We do not expect there to be any service outage. Our plan is to
+simultaneously add five Fedora 15 servers to the load-balancing
+pool and remove the Fedora 13 servers. If your website and scripts
+work with our Fedora 15 testing server, they should work and be
+available to your visitors continuously throughout this process.
+
+### How do I test my website?
+
+There are several options available to you.
+
+**Note: If you are running an application that asks you to upgrade it when you use our testing server, do not perform the upgrade until November 21.**
+If you do, your site will most likely work on the testing server,
+but no longer work on the production Fedora 13 servers. If you do
+perform an upgrade, you will most likely have to restore a backup
+of your database and/or application. If you wish to test your
+application sooner, you may wish to make a new copy of it that uses
+a different database.
+
+#### Athena workstation
+
+On any Athena workstation, you can log in and run these commands
+(make sure you do not have a web browser open first):
+
+    athena% add scripts
+    athena% firefox-test
+
+This will start Firefox for you with special configuration that
+ensures that any website you visit that’s hosted on scripts will be
+retrieved from our test server. You can then try using all the
+features of your website just as you ordinarily would. Note that
+this will be using your real website; it is not a separate copy of
+your site.
+
+This configuration will only be used while you have that copy of
+Firefox open. If you close it and run Firefox normally, you will no
+longer be using our test server.
+
+#### SIPB Office
+
+If you visit the SIPB office (W20-557), there are a few specially
+labelled workstations there which always use the scripts testing
+server. You do not need to do any special configuration to test
+your site on these machines. Feel free to come by SIPB any time
+we’re open (the office doesn’t have fixed hours, but is open most
+afternoons and evenings; feel free to call 617-253-7788 to check if
+we’re open before coming over) and test your site on these
+machines.
+
+#### Advanced
+
+If you use Linux, or a similar operating system, and are
+comfortable with system administration tasks, you can temporarily
+configure your system to use our testing server by adding a line to
+your /etc/hosts file that maps the hostname your website uses to
+the IP address 18.181.0.229. Note that your website might use any
+of these hostnames:
+
+    scripts.mit.edu, scripts-cert.mit.edu, yourLockerName.scripts.mit.edu
+
+or something like customname.mit.edu. Be sure that the line you add
+to your /etc/hosts uses the correct name, and be sure that you
+remove that line when you are done testing. If you are on a Windows
+system, the analogous file is
+
+    C:\Windows\System32\drivers\etc\hosts
+
+### May I ssh into the test server?
+
+Yes, anyone with a scripts account may ssh to
+`scripts-test.mit.edu`, just as you ordinarily would ssh to
+scripts.mit.edu, if you would like to use a shell.
+
+### What are the known issues at this time?
+
+Please check [our wiki page](http://scripts.mit.edu/wiki/Fedora_15)
+.
+
+### How can I stay up to date on news about Scripts?
+
+News about scripts.mit.edu is posted to our blog periodically.
+Important announcements are e-mailed to the
+[scripts-announce mailing list](http://mailman.mit.edu/mailman/listinfo/scripts-announce).
+If you’re not already signed up for the list, please take a moment
+to do so by clicking the link above.
+
+
+