231 lines
8.3 KiB
PowerShell
231 lines
8.3 KiB
PowerShell
#Requires -RunAsAdministrator
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# =============================================================================
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# Zabbix Agent 2 – Windows Installer / Updater (Version 7.4)
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#
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# Aufruf:
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# PowerShell -ExecutionPolicy Bypass -File install-update-zabbix-agent.ps1
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#
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# Interaktiv: Proxy-Auswahl, Hostname-Eingabe, automatische Install/Update-Erkennung
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# =============================================================================
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# ── Konfiguration (manuell anpassen) ─────────────────────────────────────────
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$ZabbixServer = "zabbix.example.com" # Zabbix-Server-Adresse
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$ZabbixVersion = "7.4.2" # Zabbix-Version (bei neuen Releases anpassen)
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# Proxy-Liste – hier manuell pflegen
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$ProxyList = @(
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"http://proxy01.example.com:3128"
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"http://proxy02.example.com:3128"
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# weitere Proxys einfach hier eintragen
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)
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# Installationspfade (normalerweise nicht ändern nötig)
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$InstallDir = "C:\Program Files\Zabbix Agent 2"
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$ConfigFile = "$InstallDir\zabbix_agent2.conf"
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$ServiceName = "Zabbix Agent 2"
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$TempDir = $env:TEMP
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# ── Hilfsfunktionen ───────────────────────────────────────────────────────────
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function Write-Info { param($msg) Write-Host "[INFO] $msg" -ForegroundColor Green }
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function Write-Warn { param($msg) Write-Host "[WARN] $msg" -ForegroundColor Yellow }
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function Write-Err { param($msg) Write-Host "[ERROR] $msg" -ForegroundColor Red }
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function Show-Header {
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Write-Host ""
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Write-Host "=============================================" -ForegroundColor Cyan
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Write-Host " Zabbix Agent 2 $ZabbixVersion – Windows Setup" -ForegroundColor Cyan
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Write-Host "=============================================" -ForegroundColor Cyan
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Write-Host ""
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}
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# ── Installierte Version prüfen ───────────────────────────────────────────────
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function Get-InstalledVersion {
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$reg = Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\*" `
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-ErrorAction SilentlyContinue |
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Where-Object { $_.DisplayName -like "Zabbix Agent 2*" } |
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Select-Object -First 1
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return $reg?.DisplayVersion
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}
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# ── Proxy-Auswahl ─────────────────────────────────────────────────────────────
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function Select-Proxy {
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Write-Host "Proxy-Einstellungen:" -ForegroundColor Cyan
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Write-Host " [0] Kein Proxy (direkte Verbindung)"
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for ($i = 0; $i -lt $ProxyList.Count; $i++) {
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Write-Host " [$($i+1)] $($ProxyList[$i])"
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}
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Write-Host ""
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do {
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$choice = Read-Host "Auswahl [0-$($ProxyList.Count)]"
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} while ($choice -notmatch "^\d+$" -or [int]$choice -gt $ProxyList.Count)
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if ($choice -eq "0") {
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return $null
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} else {
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return $ProxyList[[int]$choice - 1]
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}
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}
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# ── Download ──────────────────────────────────────────────────────────────────
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function Get-ZabbixMsi {
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param(
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[string]$Url,
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[string]$Destination,
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[string]$ProxyUrl
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)
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Write-Info "Lade MSI herunter ..."
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Write-Info "URL: $Url"
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try {
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$webClient = New-Object System.Net.WebClient
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if ($ProxyUrl) {
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Write-Info "Verwende Proxy: $ProxyUrl"
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$proxy = New-Object System.Net.WebProxy($ProxyUrl, $true)
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$proxy.Credentials = [System.Net.CredentialCache]::DefaultNetworkCredentials
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$webClient.Proxy = $proxy
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} else {
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$webClient.Proxy = $null
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Write-Info "Direktverbindung (kein Proxy)"
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}
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$webClient.DownloadFile($Url, $Destination)
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Write-Info "Download abgeschlossen: $Destination"
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} catch {
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Write-Err "Download fehlgeschlagen: $_"
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exit 1
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} finally {
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$webClient.Dispose()
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}
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}
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# ── MSI Install / Update ──────────────────────────────────────────────────────
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function Install-ZabbixMsi {
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param(
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[string]$MsiPath,
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[string]$Hostname,
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[bool]$IsUpdate
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)
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$action = if ($IsUpdate) { "Update" } else { "Installation" }
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Write-Info "Starte $action ..."
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# Bei Update: Dienst stoppen
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if ($IsUpdate) {
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$svc = Get-Service -Name $ServiceName -ErrorAction SilentlyContinue
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if ($svc -and $svc.Status -eq "Running") {
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Write-Info "Stoppe Dienst '$ServiceName' ..."
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Stop-Service -Name $ServiceName -Force
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Start-Sleep -Seconds 2
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}
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}
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$msiArgs = @(
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"/i", $MsiPath,
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"/qn", # Silent
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"/l*v", "$TempDir\zabbix-install.log",
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"SERVER=$ZabbixServer",
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"SERVERACTIVE=$ZabbixServer",
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"HOSTNAME=$Hostname",
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"LISTENPORT=10050"
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)
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$proc = Start-Process -FilePath "msiexec.exe" -ArgumentList $msiArgs -Wait -PassThru
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if ($proc.ExitCode -ne 0) {
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Write-Err "MSI $action fehlgeschlagen (ExitCode: $($proc.ExitCode))"
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Write-Err "Details: $TempDir\zabbix-install.log"
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exit 1
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}
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Write-Info "MSI $action erfolgreich."
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}
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# ── Dienst starten ────────────────────────────────────────────────────────────
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function Start-ZabbixService {
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$svc = Get-Service -Name $ServiceName -ErrorAction SilentlyContinue
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if (-not $svc) {
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Write-Err "Dienst '$ServiceName' nicht gefunden."
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exit 1
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}
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Set-Service -Name $ServiceName -StartupType Automatic
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Start-Service -Name $ServiceName
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Start-Sleep -Seconds 2
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$svc.Refresh()
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return $svc.Status
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}
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# ── Hauptprogramm ─────────────────────────────────────────────────────────────
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Show-Header
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# Installierte Version ermitteln
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$installedVersion = Get-InstalledVersion
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$isUpdate = $null -ne $installedVersion
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if ($isUpdate) {
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Write-Info "Installierte Version gefunden: $installedVersion"
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Write-Info "Modus: UPDATE auf $ZabbixVersion"
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} else {
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Write-Info "Kein Zabbix Agent gefunden."
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Write-Info "Modus: NEUINSTALLATION von $ZabbixVersion"
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}
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Write-Host ""
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# Hostname abfragen
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$defaultHostname = $env:COMPUTERNAME
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$inputHostname = Read-Host "Zabbix-Hostname eingeben [Standard: $defaultHostname]"
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$agentHostname = if ($inputHostname.Trim() -eq "") { $defaultHostname } else { $inputHostname.Trim() }
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Write-Info "Verwende Hostname: $agentHostname"
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Write-Host ""
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# Proxy-Auswahl
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$selectedProxy = Select-Proxy
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Write-Host ""
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# MSI-Download-URL zusammenbauen
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$arch = "amd64"
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$msiFile = "zabbix_agent2-$ZabbixVersion-windows-$arch-openssl.msi"
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$msiUrl = "https://cdn.zabbix.com/zabbix/binaries/stable/" +
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"$($ZabbixVersion.Split('.')[0..1] -join '.')/$ZabbixVersion/$msiFile"
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$msiDest = "$TempDir\$msiFile"
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# Download
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Get-ZabbixMsi -Url $msiUrl -Destination $msiDest -ProxyUrl $selectedProxy
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# Installation / Update
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Install-ZabbixMsi -MsiPath $msiDest -Hostname $agentHostname -IsUpdate $isUpdate
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# Temporäre Datei aufräumen
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Remove-Item -Path $msiDest -Force -ErrorAction SilentlyContinue
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# Dienst starten
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Write-Info "Starte Zabbix-Dienst ..."
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$status = Start-ZabbixService
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# Ergebnis
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Write-Host ""
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Write-Host "=============================================" -ForegroundColor Cyan
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Write-Info " Zabbix Agent 2 erfolgreich eingerichtet!"
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Write-Info " Hostname : $agentHostname"
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Write-Info " Server : $ZabbixServer"
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Write-Info " Version : $ZabbixVersion"
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Write-Info " Modus : Aktiv"
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Write-Info " Dienst : $status"
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Write-Host "=============================================" -ForegroundColor Cyan
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Write-Host ""
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Write-Warn "Denk daran: Den Host '$agentHostname' im Zabbix-Frontend anlegen,"
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Write-Warn "falls er noch nicht existiert (Configuration -> Hosts -> Create host)."
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Write-Host ""
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