osfv-scripts/osfv_cli/monitoring/zabbix: Update External_Check.md

Author: dawidlesiak

osfv_cli/monitoring/zabbix/External_Check.md

@@ -17,65 +17,65 @@ You can find example scripts in this folder.
 > It's likely that the last used tab is overwriting session data.
 
 ## Create the item in Zabbix
->
 > Item is a tool that gathers data from device, system or external script
-2. Navigate to **Configuration** > **Hosts**.
+1. Navigate to **Configuration** > **Hosts**.
 2. Go to the **Items** next to the host you want to monitor.
-2. Click **Create item** in top right.
- - Change Type to **External check**.
- - As key use your script name together with desired **Macro**, for example `script.sh[{HOST.IP}]`.
-  + You can combine multiple Macros `script.sh[{HOST.DESCRIPTION},{HOST.ID},{HOST.CONN}]`.
+3. Click **Create item** in top right.
+  - Change Type to **External check**.
+  - As key use your script name together with desired **Macro**, for example `script.sh[{HOST.IP}]`.
 
-[list of macros](https://www.zabbix.com/documentation/current/en/manual/appendix/macros/supported_by_location#host-inventory)
+> [External Checks](https://www.zabbix.com/documentation/current/en/manual/config/items/itemtypes/external)
+
+> [List of macros](https://www.zabbix.com/documentation/current/en/manual/appendix/macros/supported_by_location#host-inventory)
 
 ## Create the trigger
->
 > Trigger is a rule that watches for specific events, like high CPU usage.
-3. Navigate to **Configuration** > **Hosts**.
-3. Go to the **Triggers** next to the host with the item you want to monitor.
+1. Navigate to **Configuration** > **Hosts**.
+2. Go to the **Triggers** next to the host with the item you want to monitor.
 3. Click **Create trigger** in top right.
- - Severity: Select as needed.
- - Expression: press Add
-  + Item: Select the item for which you want to create a trigger.
-  + Function: Defines how your trigger will be activated.
-  + Result: Actual rule of activation.
+  - Severity: Select as needed.
+  - Expression: press Add
+    + Item: Select the item for which you want to create a trigger.
+    + Function: Defines how your trigger will be activated.
+    + Result: Actual rule of activation.
 > If your script returns numeric values directly and/or you don't won't to calculate the average result, simply use `last()` function
 
 ## Testing
 
-4. Test manually.
-- login as **zabbix** user and go to the script location.
-- run your script as zabbix.
+1. Test manually.
+  - login as **zabbix** user and go to the script location.
+  - run your script as zabbix.
 > You can directly incorporate information from Zabbix macros into your command, such as ./script.sh '192.168.10.0'.
 
-4. Test in zabbix web interface.
-- Go to your item location.
-- If you are using external checks, **Test** option should be available.
-   	- Check if you Macros give proper data to your script.
-   	- Press **Get value and test**.
+2. Test in zabbix web interface.
+  - Go to your item location.
+  - If you are using external checks, **Test** option should be available.
+  - Check if you Macros give proper data to your script.
+  - Press **Get value and test**.
 
-4. Common problems.
-- Timeout: you can change (not VM)Timeout(and TrapperTimeout if needed) settings in /etc/zabbix/zabbix_server.conf
-- Make sure all necesery files and commands are accessible for zabbix user.
-- If you find something else, please update the file.
+3. Common problems.
+  - Timeout: you can change (not VM)Timeout(and TrapperTimeout if needed) settings in /etc/zabbix/zabbix_server.conf
+  - Make sure all necesery files and commands are accessible for zabbix user.
+  - If you find something else, please update the file.
 
 ## Templates
 
-5. Navigate to **Configuration** > **Templates**.
-5. Click **Create template** in top right.
- - Specify the name, group and other information if needed.
-5. Add **items**, **trigger** and **macros** if needed.
-5. Link the template to **Hosts**
- 5. Mass update
+1. Navigate to **Configuration** > **Templates**.
+2. Click **Create template** in top right.
+  - Specify the name, group and other information if needed.
+3. Add **items**, **trigger** and **macros** if needed.
+4. Link the template to **Hosts**
+5. Mass update
   - Go to **Hosts**.
   - Check the boxes next to the desired hosts.
   - Scroll to the bottom and click **Mass update**.
-   + Select **Link templates**.
-   + Choose **Link**.
-   + Enter your template name.
-   + Press **Update**.
-
- 5. Single update
-  + Open desired **Host**.
-  + Add your Template under Templates.
-  + Press **Update**.
+    + Select **Link templates**.
+    + Choose **Link**.
+    + Enter your template name.
+    + Press **Update**.
+
+6. Single update
+  - Go to **Hosts**.
+    + Open desired **Host**.
+    + Add your Template under Templates.
+    + Press **Update**.