Update installation and configuration instructions for Grafana and TimescaleDB

Author: madeline-underwood

content/learning-paths/servers-and-cloud-computing/timescaledb-on-gcp/grafana-timescaledb-setup.md

@@ -40,7 +40,7 @@ sudo systemctl start grafana-server
 sudo systemctl enable grafana-server
 ```
 
-**Verify status:**
+Verify the service is running:
 
 ```bash
 sudo systemctl status grafana-server

content/learning-paths/servers-and-cloud-computing/timescaledb-on-gcp/live-sensor-dashboard.md

@@ -6,7 +6,7 @@ weight: 8
 layout: learningpathall
 ---
 
-## Create a Live Sensor Temperature Dashboard
+## Create a live sensor temperature dashboard
 
 In this section, you'll create a Grafana dashboard that visualizes live temperature data stored in TimescaleDB. The dashboard continuously updates to display sensor temperature changes in near real time.
 
@@ -49,13 +49,13 @@ You will be redirected to the Edit panel screen.
 
 In the Query section:
 
-- Data source: PostgreSQL / TimescaleDB
-- Query type: SQL
-- Format: Time series
+- **Data source:** PostgreSQL / TimescaleDB
+- **Query type:** SQL
+- **Format:** Time series
 
 ![Grafana time series panel editor showing the visualization configuration screen with the time series panel type selected and panel title field alt-txt#center](images/data-source-visualization.png "Grafana visualization configuration")
 
-Paste the following query after pressing the "Code" button on the right of the query editor:
+Paste the following query after selecting **Code** on the right of the query editor:
 
 ```sql
 SELECT
@@ -74,14 +74,14 @@ Apply the following settings in the right-hand panel:
 
   - Visualization Settings
 
-    - Visualization: Time series
-    - Panel title: Live Sensor Temperature
-    - Table view: Disabled
+    - **Visualization:** Time series
+    - **Panel title:** Live Sensor Temperature
+    - **Table view:** Disabled
 
   - Time & Refresh Settings
 
-    - Time range: Last 5 minutes
-    - Refresh interval: 5s
+    - **Time range:** Last 5 minutes
+    - **Refresh interval:** 5s
 
 These settings ensure the panel refreshes automatically with new data.
 

content/learning-paths/servers-and-cloud-computing/timescaledb-on-gcp/sensor-data-ingestion.md

@@ -35,7 +35,7 @@ sudo zypper install -y \
   python3-psycopg2
 ```
 
-**Verify psycopg2:**
+Verify psycopg2 is installed correctly:
 
 ```bash
 python3 - <<EOF
@@ -77,7 +77,7 @@ Press Ctrl+D to exit back into the SSH shell.
 
 The following Python script simulates multiple sensors sending readings every two seconds and inserts them into TimescaleDB.
 
-Create a new Python file called **sensor_ingest.py** and add the following code to the file:
+Create a new Python file called `sensor_ingest.py` and add the following code to the file:
 
 ```python
 import time
@@ -118,7 +118,7 @@ nohup python3 sensor_ingest.py > ingest.log 2>&1 &
 
 This ensures the sensor generator continues running even after you close the terminal.
 
-### Verify Data Ingestion
+### Verify data ingestion
 
 ```bash
 ps -ef | grep sensor_ingest.py

content/learning-paths/servers-and-cloud-computing/timescaledb-on-gcp/setup-timescaledb.md

@@ -116,7 +116,7 @@ TimescaleDB must be preloaded when PostgreSQL starts.
 
 ### Edit PostgreSQL configuration and add the timescaledb library
 
-Using a suitable editor and "sudo", edit **/var/lib/pgsql/data/postgresql.conf** and add the following line:
+Using a suitable editor and `sudo`, edit `/var/lib/pgsql/data/postgresql.conf` and add the following line:
 
 ```text
 shared_preload_libraries = 'timescaledb'