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Problems with MacOS Sierra for Mac users
Written by Janaka Jayawardena   
Thursday, 22 September 2016

On September 20th, Apple released the latest version of their computer operating system - MacOS Sierra (10.12). We have seen these problems reported:

1) MacOS Sierra has changed natively supported VPN types. Sierra users are having trouble connecting to our older Windows-based VPN. It is not yet known if our other VPN offering (openVPN) works properly or not.

2) Mathworks has alerted users that Matlab on MacOS is having some non-US localization problems (regions and locales) and is warning users to not install Sierra if they may be exposed to that problem.

We recommend that Mac users avoid installing Sierra until we have had a chance to study the VPN issue. We may not get to that until we have made it through the frenzy of the first few weeks of the term.

Time to retire
Written by Janaka Jayawardena   
Wednesday, 03 August 2016

We are looking at retiring, a 9-year old Sun Sparc system running Solaris 10 (UNIX). It used to be the CS dept workhorse but that role was taken over by (running Ubuntu Linux) some time ago.

With the CS dept switched over to Linux, the only remaining logins to chandra are a small handful of its original users - most of them running remote scripts. There have been no software package updates in years and it is no longer being updated for configuration management. Since there is no hardware maintenance and based on how old the machine is, we would like to shut it down in a planned fashion without waiting for it to die without warning.

If you have scripts or cronjobs that run on chandra, please move them to a Linux environment (like Let us know ( if you have any questions or need assistance in migrating to Ubuntu Linux.

We would like to have chandra offline before the start of Fall 2016.

CAT Windows 10 Migration Status
Written by Janaka Jayawardena   
Wednesday, 20 July 2016

For a good part of this few months, the CAT Wintel Team has been working at getting a supported Windows 10 deployment ready for MCECS users. Our first goal will be getting Windows 10 installed in the following labs in time for Fall term (2016).


CRAM - for MCECS Account Activation and Password Changes
Written by johnj   
Friday, 15 August 2014

CRAM is the CAT Remote Account Manager.  If you have an active Odin Account (because you are an active PSU Student, Faculty or Staff member), then you can use it at:

You must use your Odin ID to get into CRAM.

Last Updated ( Thursday, 22 October 2015 )

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