Mailman Mailing List Best Practices

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In the School of Arts and Sciences at the University of Pennsylvania, we use the open-source python-based Mailman mailing list software. There are many options that can be configured on a per-list basis. The information in this post contains general notes, how to’s, and best practices for listserv management — some aspects, including the list … Read more

How to Fix / Restore Access to Shared Calendars in “the new Outlook” 2019

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At the University of Pennsylvania, our Office365 users suddenly lost “edit” access to the shared calendars they had previously set up in their O365 calendars. The calendars still appeared, they just weren’t modifiable. This is a huge deal, because we schedule many public spaces and manage staff schedules through shared calendars. The cause? The issue … Read more

How to Disable Default Two-Sided Duplex Printing on Mac via CUPS

disable two sided printing

Some printers (and their drivers) default to two-sided printing, which many people do not prefer as the default option. Luckily, this can easily be disabled via the CUPS web interface. There are probably other ways to accomplish this, too, but I found this to be quick and painless. At the time of this post, this is tested and working on Mac OS 10.16 Big Sur.

How to Migrate Apple MacOS Contacts into O365

How to Migrate Apple Contacts to O365

This is the process I used to copy a user’s MacOS Contacts into their O365 address book (a.k.a. “People”):   1.) Open the user’s Apple Contacts application on their computer. 2.) Select all of the contacts and dragged them into a blank Apple Numbers spreadsheet (there’s no way to export direct to CSV from Apple … Read more