[Update] Deploying Zabbix through the Linode Marketplace (#5666)

Updated instructions and distro for Zabbix

Author: wildmanonline

docs/products/tools/marketplace/guides/zabbix/index.md

@@ -7,7 +7,7 @@ keywords: ['monitoring','networking','incident response']
 tags: ["marketplace", "networking", "linode platform", "cloud manager", "monitoring"]
 license: '[CC BY-ND 4.0](https://creativecommons.org/licenses/by-nd/4.0)'
 published: 2021-02-23
-modified: 2022-03-08
+modified: 2022-08-23
 image: DeployZabbix_marketplaceapps.png
 modified_by:
   name: Linode
@@ -19,11 +19,7 @@ external_resources:
 aliases: ['/platform/marketplace/deploy-zabbix-with-marketplace-apps/', '/platform/one-click/deploy-zabbix-with-marketplace-apps/', '/guides/deploy-zabbix-with-marketplace-apps/','/guides/zabbix-marketplace-app/']
 ---
 
-[Zabbix](https://www.zabbix.com/) is an enterprise-class, open source, distributed monitoring solution. Designed as an all-in-one monitoring solution, Zabbix can track performance and availability of network servers, devices, services, and other IT resources.
-
-Zabbix empowers administrators to quickly respond to incidents with on-screen display capabilities and alerts by e-mail, SMS, or Jabber. Users can also collect, store, manage, and analyze information received from IT infrastructure.
-
-Actively used by SMBs and large enterprises across all industries and in almost every country, Zabbix has a robust community driving its continued development.
+[Zabbix](https://www.zabbix.com/) is an enterprise-class, open-source, distributed monitoring solution. Designed as an all-in-one monitoring solution, Zabbix can track performance and availability of network servers, devices, services, and other IT resources. Zabbix empowers administrators to quickly respond to incidents with on-screen display capabilities and alerts by email, SMS, or Jabber. Users can also collect, store, manage, and analyze information received from IT infrastructure. Actively used by SMBs and large enterprises across all industries and in almost every country, Zabbix has a robust community driving its continued development.
 
 ## Deploying a Marketplace App
 
@@ -37,7 +33,7 @@ Actively used by SMBs and large enterprises across all industries and in almost
 
 ## Configuration Options
 
-- **Supported distributions:** CentOS 7
+- **Supported distributions:** CentOS 8 Stream
 - **Recommended minimum plan:** All plan types and sizes can be used.
 
 ### Zabbix Options
@@ -48,13 +44,13 @@ Actively used by SMBs and large enterprises across all industries and in almost
 
 ### Access your Zabbix App
 
-After Zabbix has finished installing, you must first access your Zabbix Linode from the console via [SSH](/docs/guides/set-up-and-secure/#connect-to-the-instance), to obtain a randomly-generated administrative password. You can then use this password to log into your Zabbix App via web browser at your Linode's [IPv4 address](/docs/guides/find-your-linodes-ip-address/).
+After Zabbix has finished installing, you must first obtain the login credentials for Zabbix. You can then use these credentials to log in to your Zabbix App via a web browser.
 
-1. From your terminal, log into your Zabbix Linode as the `root` user with the following command, replacing `192.0.2.0` with your Linode's [IPv4 address](/docs/guides/find-your-linodes-ip-address/):
+1.  From your terminal, log into your new Compute Instance as the `root` user with the following command, replacing `192.0.2.1` with your instance's [IPv4 address](/docs/guides/managing-ip-addresses/):
 
-        ssh [email protected].0
+        ssh [email protected].1
 
-1. The Zabbix welome banner appears immediately after logging into your Zabbix Linode. Copy and save the randomly generated Admin password from the welcome banner in a secure manner for later. Here is an example welcome banner:
+1. The Zabbix welome banner should appear immediately after logging in. Make a note of the username and password as these are used in a later step.
 
     {{< output >}}
 ********************************************************************************
@@ -65,19 +61,19 @@ To learn about available professional services, including technical suppport and
 Official Zabbix documentation available at https://www.zabbix.com/documentation/current/
 Note! Do not forget to change timezone PHP variable in /etc/php.d/99-zabbix.ini file.
 ********************************************************************************
-    {{< /output >}}
+{{< /output >}}
 
-1. Enter your Zabbix Linode's [IPv4 address](/docs/guides/find-your-linodes-ip-address/) into a browser window to access your Zabbix App's login page.
+1.  Access the Zabbix Admin panel by opening a web browser and navigating to the following URL: `http://[ip-address]`, replacing *[ip-address]* with the IPv4 address or rDNS domain assigned to your new Compute Instance. See the [Managing IP Addresses](/docs/guides/managing-ip-addresses/) guide for information on viewing IP addresses.
 
     {{< note >}}
 Zabbix uses a self-signed certificate. Because it is not signed by a common Certificate Authority, your browser may warn you about the security of the connection and require you to add a security exception.
-    {{</ note >}}
+{{</ note >}}
 
-    ![zabbix-login.png](zabbix-login.png)
+    ![A screenshot of the Zabbix log in prompt](zabbix-login.png)
 
-1. Enter `Admin` as the username and the Admin password you saved from the welcome banner, then click **Sign in** to access the Zabbix control panel.
+1. Enter the username and password you obtained in a previous step and then click **Sign in** to access the Zabbix control panel.
 
-    ![zabbix-panel.png](zabbix-panel.png)
+    ![The Dashboard of the Zabbix Admin Panel](zabbix-admin.png)
 
 ## Next Steps