diff --git a/ModpackUpdater.Manager/ModpackInstaller.cs b/ModpackUpdater.Manager/ModpackInstaller.cs
index 7fbf338..3b74731 100644
--- a/ModpackUpdater.Manager/ModpackInstaller.cs
+++ b/ModpackUpdater.Manager/ModpackInstaller.cs
@@ -37,7 +37,12 @@ public class ModpackInstaller(ModpackConfig updateConfig, string localPath)
         return InstallInfos.Parse(content);
     }
 
-    public async Task<UpdateCheckResult> Check(bool allowUpdaterAfterInstall = true)
+    public Task<UpdateCheckResult> Check()
+    {
+        return Check(Side.Client, true);
+    }
+
+    public async Task<UpdateCheckResult> Check(Side side, bool allowUpdaterAfterInstall)
     {
         var result = new UpdateCheckResult();
         var hasConfig = ModpackInfo.HasModpackInfo(localPath);
diff --git a/ModpackUpdater.Model/InstallAction.cs b/ModpackUpdater.Model/InstallAction.cs
index b7e3283..7ec563f 100644
--- a/ModpackUpdater.Model/InstallAction.cs
+++ b/ModpackUpdater.Model/InstallAction.cs
@@ -6,4 +6,5 @@ public class InstallAction
     public string ZipPath { get; set; }
     public string DestPath { get; set; }
     public string DownloadUrl { get; set; }
+    public Side Side { get; set; } = Side.Both;
 }
\ No newline at end of file
diff --git a/ModpackUpdater.Model/Side.cs b/ModpackUpdater.Model/Side.cs
new file mode 100644
index 0000000..55cbd6b
--- /dev/null
+++ b/ModpackUpdater.Model/Side.cs
@@ -0,0 +1,12 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+namespace ModpackUpdater.Model;
+
+[JsonConverter(typeof(StringEnumConverter)), Flags]
+public enum Side
+{
+    Client = 1,
+    Server = 2,
+    Both = Client | Server,
+}
diff --git a/ModpackUpdater/Form1.cs b/ModpackUpdater/Form1.cs
index ded2573..178617e 100644
--- a/ModpackUpdater/Form1.cs
+++ b/ModpackUpdater/Form1.cs
@@ -12,9 +12,15 @@ public partial class Form1
     private ModpackConfig updateConfig = new();
     private bool currentUpdating = false;
     private UpdateCheckResult lastUpdateCheckResult = null;
+    private readonly bool allowUpdateCheck;
+    private readonly bool allowUpdaterAfterInstall;
+    private readonly Side side;
 
-    public Form1(string modpackConfig, string profilePath) : this()
+    public Form1(string modpackConfig, string profilePath, Side side, bool allowUpdaterAfterInstall, bool allowUpdateCheck) : this()
     {
+        this.allowUpdaterAfterInstall = allowUpdaterAfterInstall;
+        this.side = side;
+
         if (!string.IsNullOrWhiteSpace(modpackConfig))
             LoadUpdateConfigFile(modpackConfig);
 
@@ -123,7 +129,7 @@ public partial class Form1
 
             try
             {
-                lastUpdateCheckResult = await updater.Check();
+                lastUpdateCheckResult = await updater.Check(side, allowUpdaterAfterInstall);
             }
             catch
             {
@@ -239,7 +245,7 @@ public partial class Form1
     private async void Form1_Shown(object sender, EventArgs e)
     {
         var updater = new AppUpdater();
-        if (await updater.Check() && RadMessageBox.Show(LangRes.MsgBox_UpdateAvailable, LangRes.MsgBox_UpdateAvailable_Title, MessageBoxButtons.YesNo, RadMessageIcon.Info) == DialogResult.Yes)
+        if (allowUpdateCheck && await updater.Check() && RadMessageBox.Show(LangRes.MsgBox_UpdateAvailable, LangRes.MsgBox_UpdateAvailable_Title, MessageBoxButtons.YesNo, RadMessageIcon.Info) == DialogResult.Yes)
         {
             SetStatus(LangRes.StatusText_InstallingAppUpdate, MySymbols.icons8_software_installer_16px);
             Enabled = false;
diff --git a/ModpackUpdater/Options.cs b/ModpackUpdater/Options.cs
index 348e4fa..e462f26 100644
--- a/ModpackUpdater/Options.cs
+++ b/ModpackUpdater/Options.cs
@@ -1,4 +1,5 @@
-using Mono.Options;
+using ModpackUpdater.Model;
+using Mono.Options;
 
 namespace ModpackUpdater;
 
@@ -9,6 +10,9 @@ internal class Options
     public IReadOnlyList<string> Additionals => additionals;
     public bool Silent { get; private set; }
     public bool NoUi { get; private set; }
+    public bool NoUpdate { get; private set; };
+    public bool AllowUpdaterAfterInstall { get; private set; } = true;
+    public Side Side { get; private set; } = Side.Client;
     public string ProfileFolder { get; private set; }
     public string ModpackConfig { get; private set; }
 
@@ -16,10 +20,13 @@ internal class Options
     {
         var options = new OptionSet
         {
-            { "s|silent", "Do not output anything.", s => Silent = s != null },
+            { "silent", "Do not output anything.", s => Silent = s != null },
             { "n|noui", "Install without user interface.", n => NoUi = n != null },
             { "p|profile=", "Sets the minecraft profile folder.", p => ProfileFolder = p },
             { "c|config=", "Sets the minecraft profile folder.", c => ModpackConfig = c },
+            { "s|side=", "Sets the minecraft profile folder.\nDefault side is Client.\nAvailable: Client, Server", s => Side = Enum.Parse<Side>(s)},
+            { "uai", "Allow an update directly after install. This only has affect if there is no existing installation.", uai => AllowUpdaterAfterInstall = uai != null},
+            { "noupdate", "Skip the update check wich happens when opening the user interface.", noupdate => NoUpdate = noupdate != null},
         };
 
         var additional = options.Parse(args);
diff --git a/ModpackUpdater/Program.cs b/ModpackUpdater/Program.cs
index 567d549..a8e4456 100644
--- a/ModpackUpdater/Program.cs
+++ b/ModpackUpdater/Program.cs
@@ -24,12 +24,12 @@ public static class Program
     {
         var options = new Options(args);
         if (options.NoUi)
-            InstallWithoutGui(options.ModpackConfig, options.ProfileFolder, options.Silent);
+            InstallWithoutGui(options.ModpackConfig, options.ProfileFolder, options.Silent, options.Side, options.AllowUpdaterAfterInstall);
         else
-            RunApp(options.ModpackConfig, options.ProfileFolder);
+            RunApp(options.ModpackConfig, options.ProfileFolder, options.Side, options.AllowUpdaterAfterInstall, !options.NoUpdate);
     }
 
-    private static void RunApp(string modpackConfig, string profileFolder)
+    private static void RunApp(string modpackConfig, string profileFolder, Side side, bool allowUpdaterAfterInstall, bool allowUpdateCheck)
     {
         Application.EnableVisualStyles();
         Application.SetCompatibleTextRenderingDefault(false);
@@ -38,7 +38,7 @@ public static class Program
         if (ThemeResolutionService.LoadPackageResource("ModpackUpdater.CustomThemes.Office2019DarkBluePurple.tssp"))
             ThemeResolutionService.ApplicationThemeName = "Office2019DarkBluePurple";
 
-        Application.Run(new Form1(modpackConfig, profileFolder));
+        Application.Run(new Form1(modpackConfig, profileFolder, side, allowUpdaterAfterInstall, allowUpdateCheck));
     }
 
     private static string GetSettingsPath(int? settingsVersion = 2)
@@ -72,11 +72,11 @@ public static class Program
         File.Delete(settingsPath);
     }
 
-    private static void InstallWithoutGui(string modpackConfig, string profileFolder, bool silent)
+    private static void InstallWithoutGui(string modpackConfig, string profileFolder, bool silent, Side side, bool allowUpdaterAfterInstall)
     {
         var config = ModpackConfig.LoadFromUrl(modpackConfig);
         var installer = new ModpackInstaller(config, profileFolder);
-        var result = installer.Check().Result;
+        var result = installer.Check(side, allowUpdaterAfterInstall).Result;
 
         if (result.HasUpdates)
         {