Adjusted PDC connection instructions slightly

NBISweden · Nov 1, 2024 · a0a9190 · a0a9190
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diff --git a/home_precourse.qmd b/home_precourse.qmd
@@ -53,7 +53,7 @@ If you **do not already have a PDC account**, please fill in the form at [https:
 | __Lecturer/ Project Leader:__ | Martin Dahlö |
 | __Course / Project Title:__ | {{< meta id_project >}} |
 
-We have notified PDC who the students for our course is and they will create the account needed to login to their computers. Follow the instructions you get from them to complete your account creation. The morning session on the Monday of the course will cover [how to connect to PDC](https://www.pdc.kth.se/support/documents/login/ssh_login.html#ssh-login), a bunch of steps that might not be trivial for novice users.
+We have notified PDC who the students for our course is and they will create the account needed to login to their computers. Follow the instructions you get from them to complete your account creation. The morning session on the Monday of the course will cover [how to connect to PDC](topics/other/lab_connect_uppmax.qmd), a bunch of steps that might not be trivial for novice users.
 
 ## Install tools
 
@@ -63,7 +63,7 @@ We have notified PDC who the students for our course is and they will create the
 
 ### ThinLinc 
 
-[![](assets/images/precourse/thinlinc.webp){.precourse-tool}](https://www.cendio.com/thinlinc/download) [{{< fa brands linux >}} {{< fa brands apple >}} {{< fa brands windows >}}]{.badge} ThinLinc allows graphical connection to UPPMAX. Download and install from [https://www.cendio.com/thinlinc/download](https://www.cendio.com/thinlinc/download). It can be used directly from the browser but it is recommended to download and install the client for better copy/paste operation.
+[![](assets/images/precourse/thinlinc.webp){.precourse-tool}](https://www.cendio.com/thinlinc/download) [{{< fa brands linux >}} {{< fa brands apple >}} {{< fa brands windows >}}]{.badge} ThinLinc allows graphical connection to UPPMAX. Download and install from [https://www.cendio.com/thinlinc/download](https://www.cendio.com/thinlinc/download).
 
 ### XQuartz
 

diff --git a/topics/other/lab_connect_pdc.qmd b/topics/other/lab_connect_pdc.qmd
@@ -17,6 +17,8 @@ Let's look at the text-based SSH approach first. This type of connection work ju
 - {{< fa brands apple >}} OSX: Use Terminal (Included by default)
 - {{< fa brands windows >}} Windows: Use Powershell or Command prompt, both should be installed by default
 
+The guide below is based on [PDCs official instructions](https://www.pdc.kth.se/support/documents/login/ssh_login.html#ssh-login).
+
 ### Setting up SSH keys
 
 (If you already have done this once, please proceed to the [next section](#connecting-to-pdc-using-ssh) instead.)
@@ -84,6 +86,10 @@ Add `*.liu.se` to the field `define one yourself`. This will allow you to use th
 
 ### Connecting to PDC using SSH
 
+::: {.callout-important}
+If you have problems connecting to PDC even if you have set up you SSH keys in the step above, please make sure your computer has not changed it IP address since you defined allowed addresses in the [PDC login portal](https://loginportal.pdc.kth.se/). Make sure that the IP range or hostname pattern you have there allows [your current IP/hostname](https://whatismyhostname.com/)
+:::
+
 ::: {.callout-note}
 Where `username` is mentioned, change to your PDC user name.
 :::