feat: update AS400 installation instructions and add pre-installation requirements

Signed-off-by: Manuel Abascal <mjabascal10@gmail.com>

Author: mjabascal10

frontend/src/app/app-module/guides/guide-as400/constants.ts

@@ -1,6 +1,6 @@
 
 export const PLATFORM = [
-    {
+    /*{
         id: 1,
         name: 'WINDOWS',
         install: `New-Item -ItemType Directory -Force -Path "C:\\Program Files\\UTMStack\\UTMStack Collectors\\AS400"; ` +
@@ -24,25 +24,19 @@ export const PLATFORM = [
                    `-Recurse -Force -ErrorAction Stop; Write-Host "UTMStack AS400 Collector removed successfully."`,
 
         shell: 'Open Windows Powershell terminal as “ADMINISTRATOR”'
-    },
-    {
-        id: 2,
-        name: 'LINUX UBUNTU',
-        install: `sudo bash -c "apt update -y && apt install wget unzip -y && mkdir -p ` +
-                  `/opt/utmstack-linux-collectors/as400 && cd /opt/utmstack-linux-collectors/as400 && ` +
-                  `wget --no-check-certificate ` +
-                  `https://V_IP:9001/private/dependencies/collector/linux-as400-collector.zip ` +
-                  `&& unzip linux-as400-collector.zip && rm linux-as400-collector.zip && chmod -R 755 ` +
-                  `utmstack_collectors_installer && ./utmstack_collectors_installer install as400 ` +
-                  `V_IP <secret>V_TOKEN</secret>"`,
+    },*/
+  {
+    id: 2,
+    name: 'LINUX UBUNTU',
+    // tslint:disable-next-line:max-line-length
+    install: `sudo bash -c "apt update -y && apt install wget -y &&  mkdir -p /opt/utmstack-as400-collector && wget --no-check-certificate -P /opt/utmstack-as400-collector  https://V_IP:9001/private/dependencies/collector/as400/utmstack_as400_collector_service && chmod -R 755 /opt/utmstack-as400-collector/utmstack_as400_collector_service &&  /opt/utmstack-as400-collector/utmstack_as400_collector_service install V_IP <secret>V_TOKEN</secret> yes"`,
 
+    // tslint:disable-next-line:max-line-length
+    uninstall: `sudo bash -c " cd /opt/utmstack-linux-collectors/as400 && ./utmstack_collectors_installer uninstall as400 && echo 'Removing UTMStack AS400 Collector dependencies...' && sleep 5 && rm -rf /opt/utmstack-linux-collectors/as400 && echo 'UTMStack AS400 Collector removed successfully.'"`,
 
-      uninstall: `sudo bash -c " cd /opt/utmstack-linux-collectors/as400 && ./utmstack_collectors_installer ` +
-                   `uninstall as400 && echo 'Removing UTMStack AS400 Collector dependencies...' && sleep 5 && rm ` +
-                   `-rf /opt/utmstack-linux-collectors/as400 && echo 'UTMStack AS400 Collector removed successfully.'"`,
+    shell: 'Linux bash terminal'
+  }
 
-        shell: 'Linux bash terminal'
-    }
 ];
 
 export const ACTIONS = [

frontend/src/app/app-module/guides/guide-as400/guide-as400.component.html

@@ -10,7 +10,23 @@ <h4 class="card-title mb-0 text-primary">
             The UTMStack AS400 Collector communicate over ports 9000, 9001 and 50051. Please make sure these ports are open.
         </div>
         <ol class="setup_list">
-            <app-utm-list [items]="steps">
+          <li>
+            <p class="step-guide">
+              <span class="step_number">1</span>
+              Check pre-installation requirements
+            </p>
+            <ul class="mt-3 pl-3" style="list-style-type: circle !important;">
+              <li>Compatible with IBM i (AS400) systems that allow remote access to system logs.</li>
+              <li>The AS400 Collector requires access to IBM i Host Server services. Make sure the following ports are open from the collector host to the AS400:</li>
+              <ul class="mt-2 pl-4" style="list-style-type: circle !important;">
+                <li><strong>8476</strong> – Signon Server (authentication)</li>
+                <li><strong>446</strong> – DRDA/JDBC (SQL-based log access, when available)</li>
+                <li><strong>8471, 8470, 8475, 8472</strong> – Required when SQL log access is not available and the collector uses the classic JT400 method</li>
+              </ul>
+            </ul>
+          </li>
+
+          <app-utm-list [items]="steps">
                 <ng-template stepTemplateRef let-step>
                     <li>
                         <app-step>