diff --git a/Sentiment_Analysis_Research.py b/Sentiment_Analysis_Research.py
index 2f06166..116635e 100644
--- a/Sentiment_Analysis_Research.py
+++ b/Sentiment_Analysis_Research.py
@@ -11,7 +11,10 @@ def _():
     import ollama
     from ollama import Client
 
-    QUMO_OLLAMA_URL = 'http://hiperf-gpu.tail44fa00.ts.net:11434'
+    VM_NAME = 'hiperf-gpu'
+    #VM_NAME = 'ollama-vb'
+
+    QUMO_OLLAMA_URL = f'http://{VM_NAME}.tail44fa00.ts.net:11434'
     return Client, QUMO_OLLAMA_URL, mo, requests
 
 
diff --git a/VB_interviews_sandbox.py b/VB_interviews_sandbox.py
index 30c9735..11b6e66 100644
--- a/VB_interviews_sandbox.py
+++ b/VB_interviews_sandbox.py
@@ -7,16 +7,26 @@ app = marimo.App(width="medium")
 @app.cell
 def _():
     import marimo as mo
-    return (mo,)
+    import requests
+    import ollama
+    from ollama import Client
+
+    VM_NAME = 'hiperf-gpu'
+    #VM_NAME = 'ollama-vb'
+
+    QUMO_OLLAMA_URL = f'http://{VM_NAME}.tail44fa00.ts.net:11434'
+    return Client, QUMO_OLLAMA_URL, VM_NAME, mo, requests
 
 
 @app.cell
-def _():
-    import ollama
-    from ollama import Client
-    client = Client(
-        host='http://ollama-vb.tail44fa00.ts.net:11434'
-    )
+def _(Client, QUMO_OLLAMA_URL, requests):
+    try:
+        requests.get(QUMO_OLLAMA_URL, timeout=5)
+        client = Client(
+            host=QUMO_OLLAMA_URL
+        )
+    except requests.ConnectionError:
+        print(f"Failed to reach {QUMO_OLLAMA_URL}. Check that the VM is running and Tailscale is up")
     return (client,)
 
 
@@ -27,11 +37,11 @@ def _():
 
 
 @app.cell(hide_code=True)
-def _(mo):
-    mo.md(r"""
+def _(VM_NAME, mo):
+    mo.md(rf"""
     # Ollama Reference
 
-    ## Ollama Web-UI: http://ollama-vb.tail44fa00.ts.net:3000
+    ## Ollama Web-UI: http://{VM_NAME}.tail44fa00.ts.net:3000
     Use the UI to modify system prompts, custom models, etc...
 
     **if the connection fails, make sure Tailscale is up**
@@ -72,7 +82,7 @@ def _(mo):
 
 @app.cell
 def _(client):
-    response_chat = client.chat(model='deepseek-r1:7b', messages=[
+    response_chat = client.chat(model='deepseek-r1:32b', messages=[
       {
         'role': 'user',
         'content': 'Why is the sky blue?',