diff --git a/_episodes/01-CMSDASPreExercise-UnixBasics.md b/_episodes/01-CMSDASPreExercise-UnixBasics.md
index 675405f..8b8e58f 100644
--- a/_episodes/01-CMSDASPreExercise-UnixBasics.md
+++ b/_episodes/01-CMSDASPreExercise-UnixBasics.md
@@ -14,7 +14,7 @@ keypoints:
 
 ---
 
-If you have never used Unix before, please follow the lesson on the [HEP Software Foundation website](https://swcarpentry.github.io/shell-novice/03-create.html), through at least "3. Working With Files and Directories." The remainder of the pre-exercises takes place in Unix, so you will need to be familiar with the basics. 
+If you have never used Unix before, please follow the lesson on the [HEP Software Foundation website](https://swcarpentry.github.io/shell-novice/index.html), through at least "3. Working With Files and Directories." The remainder of the pre-exercises takes place in Unix, so you will need to be familiar with the basics. 
 
 > ## Question 1.1
 > All CMSDAS@LPC2024 participants should submit answers to the questions in these exercises. Each lesson has it's own Google form. Head to [Google form 1][Set1_form]. The first question verifies that you have a working Unix environment. Copy-and-paste the following into your shell:
diff --git a/_episodes/02-CMSDASPreExercise-CMSLPC.md b/_episodes/02-CMSDASPreExercise-CMSLPC.md
index 3d59add..2e90c99 100644
--- a/_episodes/02-CMSDASPreExercise-CMSLPC.md
+++ b/_episodes/02-CMSDASPreExercise-CMSLPC.md
@@ -39,7 +39,7 @@ kinit <YourUsername>@FNAL.GOV
 # kinit <YourUsername>@CERN.CH for lxplus users
 ```
 
-Enter the [kerberos password][https://uscms.org/uscms_at_work/computing/getstarted/password_fermilab.shtml#passwordObtain] for your Fermilab account. You now have login access to cmslpc for 24 hours. If you get an error message, double-check that you [configure kerberos properly](https://uscms.org/uscms_at_work/physics/computing/getstarted/uaf.shtml), or head to Mattermost for help. 
+Enter the [kerberos password](https://uscms.org/uscms_at_work/computing/getstarted/password_fermilab.shtml#passwordObtain) for your Fermilab account. You now have login access to cmslpc for 24 hours. If you get an error message, double-check that you [configure kerberos properly](https://uscms.org/uscms_at_work/physics/computing/getstarted/uaf.shtml), or head to Mattermost for help. 
 
 Next, execute the following to login:
 
diff --git a/_episodes/03-CMSDASPreExercise-ROOT-python.md b/_episodes/03-CMSDASPreExercise-ROOT-python.md
index 76ac3f7..dcbedd2 100644
--- a/_episodes/03-CMSDASPreExercise-ROOT-python.md
+++ b/_episodes/03-CMSDASPreExercise-ROOT-python.md
@@ -37,7 +37,7 @@ A quick way to setup ROOT is to use the [LCG (LHC Computing Grid) releases](http
 All you have to do is execute the following script (once per login):
 
 ```shell
-source /cvmfs/sft.cern.ch/lcg/views/LCG_104/x86_64-centos7-gcc12-opt/setup.sh
+source /cvmfs/sft.cern.ch/lcg/views/LCG_106a/x86_64-el8-gcc11-opt/setup.sh
 ```
  {: .source}