Merge branch 'main' of https://github.com/UPPMAX/UPPMAX-documentation

docs/getting_started/setup_vpn.md

@@ -7,7 +7,9 @@ Swedish university networks to connect to the UPPMAX clusters.
 
 To be able to use a VPN to [get inside of SUNET](get_inside_sunet.md):
 
-- For Uppsala University: [go to this page](https://www.uu.se/en/staff/service-and-tools/tools-and-guides/connect-to-the-network-remotely/connect-using-the-universitys-vpn-service)
+- For Uppsala University: 
+    - Mac and Windows users: [go to this page](https://www.uu.se/en/staff/service-and-tools/tools-and-guides/connect-to-the-network-remotely/connect-using-the-universitys-vpn-service)
+    - Linux users: [go to this page](https://its.gmu.edu/knowledge-base/how-to-install-cisco-secure-client-on-linux/) (which is not a UU page) 
 - For Lund University: [go to this page](https://luservicedesk.service-now.com/support_en?id=kb_article_en&sys_id=a0d9ee21db74605020681ea605961927)
 - For other Swedish universities, search their websites to get the required VPN credentials.