Archive for Dan Oachs
I am an associate director of core services at Gustavus Adolphus College where I get to play with technology. Everything from fighting spam with our mailservers to multicasted IPTV over Internet2. There is also some more info about me on my wiki page and my Technorati Profile.
WiFi Network Updates
Since the beginning of spring semester GTS has received a number of complaints about how the wireless/wifi network has been extra slow for them. Many people mentioned that it was working fine last fall but that this spring it was significantly slower or basically not working for them at all, especially in the evenings. Between [...]
New Webmail FAQ
Here are a few common questions we’ve received about the new version of webmail and their solutions. I am unable to login: Please clear your cookies and restart your browser. I liked the way the old webmail worked better. Can I still use the old webmail? You can make the new webmail work like the [...]
Gustavus ranked #1 for IPv6 usage
According to the statistics gathered by Google, Facebook, and Yahoo, over 75% of our network traffic to their sites is being done over IPv6. This past June, Gustavus Adolphus College joined the World IPv6 Launch network operators list and publicly committed to supporting IPv6 on our campus network to the best of our ability. So [...]
Election night and its impact on our network
On a typical night this semester, the internet connection for Gustavus tends to max out at around 450Mbit/s. But last night was a little different. Last night was election night 2012 ( also a presidential election year ) and a lot of people were getting updates on the elections via the internet. As a result, [...]
2012 Commencement Time Lapse
Want to watch the 2012 Gustavus Commencement ceremony but don’t have 3 hours to spare? Here you can watch the entire day compressed down to just over 1 minute. This video was created from a series of images captured by the webcam which lives in the stadium press box and provides a view of the [...]
Gustavus WiFi network downtime Monday April 2nd
Starting on Monday morning, April 2nd 2012, GTS will be upgrading the system in charge of the majority of the wireless (WiFi) network on campus. For short periods of time the wireless network will be unavailable. Anyone who needs to maintain a solid network connection during this time is encouraged to plug in with an [...]
Webmail Issues Tonight
A little before 11:00pm tonight, one of our webmail systems started to have a problem. The other webmail server unfortunately was unable to handle the load all by its self and started to die as well. At around 11:30pm both webmail servers were back up and operational again.
Gustavus WebMail Beta
There is a new version of Gustavus WebMail that is now available for testing. If you use WebMail frequently, please give the new version a try at https://webmail-beta.gac.edu/horde/ If you have any feedback about this new version of WebMail, please send it to webmaster@gustavus.edu. As with many beta’s, access to this service may disappear at [...]
Horde, IMP, and imapproxy
So it turns out that the cache in imapproxy that we turned on yesterday has a problem. First of all, it seemed to work great. I think webmail was more responsive and there was a reduced load on our mail disks. However not all was well. It seems like some times when you deleted a [...]
Webmail and IMAP proxy server
One of the 2 webmail servers imap proxy services stoped working around noon whatever day that was. I started the service again and now webmail should be back to normal. During that time, 50% of webmail users were not able to log in.