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July 28, 2008
We had an unplanned mail outage last night, and mail was not being delivered. We have fixed the problem and the mail queue should finish flushing with a few hours.
May 22, 2008
There will be scheduled downtime due to Caltech needing to bring down power for a few hours on Friday, May 23 from 4:00 AM - 6:00 AM. We will restore all systems as soon as possible after this event. Our UPS is kind of wimpy, sorry.
May 21, 2008
UGCS is back up after a several-hour power outage. All services should be back to normal- please let us know if you have any problems.
May 13, 2008
Due to a recently discovered vulnerability in OpenSSL, all UGCS host keys will be changing shortly. We will post a GPG-signed list of the new keys when we are done. It is a good idea to download this list and add it to your ~/.ssh/known_hosts file to prevent man-in-the-middle attacks.
Update: Host keys for our login machines have been changed. A GPG-signed list of the key fingerprints is available at http://www.ugcs.caltech.edu/ssh-host-keys
May 13, 2008
Several UGCS, alumni, and IMSS users have been reporting increased phly phishing attempts (IE, trying to get you to send them your username and password and claiming to be the admins). Just a reminder that the UGCS sysadmins will never ask you for a password. If we want to confirm your identity we may send you a long string of letters and numbers and then ask you to send it back.
If you're more paranoid, all official email from sysadmins will be signed by that sender's GPG public key. If we forget, ask for a resent signed version before taking any action. You can find the UGCS Sysadmin key as well as our individual keys at the CA page.
May 11, 2008
The Mortals sub-cluster has been added. Enjoy!
March 2, 2008
Like Linux? Want to help make UGCS a better place? Think you've got what it takes to be a UGCS sysadmin? Well, then you're in luck. UGCS is conducting its annual sysadmin search. If you're interested, please take our Sysadmin Survey and submit it by the end of spring break (March 30).
February 13, 2008
We have automated the mailing list creation process. To create a mailing list, login to UGCS, and run the command create_mailinglist <LISTNAME>. Your list will be created within the minute. If you should run into any problems email me. alexr@ugcs.caltech.edu 18:15, 13 February 2008 (PST)
