Update practicalities.md

docs/practicalities.md

@@ -6,8 +6,13 @@
 - set up 2FA
  - [2-factor authentication](https://www.uu.se/en/staff/service-and-tools/tools-and-guides/log-in-securely)
 
-- Use VPN outside Sunet. [Link to VPN for UU](https://mp.uu.se/en/web/info/stod/it-telefoni/anvandarguider/network/vpn-service)
- - You can get VPN credentials from all Swedish universities.
+- Use VPN outside Sunet. [Link to VPN for UU](https://www.uu.se/en/staff/service-and-tools/it-and-telephony-services/it-services/network-and-vpn)
+ - Click Connect using VPN
+ - You can get VPN credentials from all Swedish universities. Choose the one you are affiliated to.
+
+ !!! warning
+
+ At UU at least: The computer must be a staff computer and should be installed by the department's/equivalent regular IT staff.
 
 - 1st day of the intro course, 1/2-1 day at your own pace, beneficial to do before the workshop