manual: added start server/client instructions for Linux, see trainta…

…stic#158

manual/traintasticmanual/css/traintasticmanual.css

@@ -320,7 +320,8 @@ ul.index-az-nav li a
 
 /** Lua **********************************************************************/
 
-pre[lang="lua"]
+pre[lang="lua"],
+pre[lang="bash"]
 {
   border: solid 1px darkgray;
   background-color: #f8f8f8;
@@ -423,7 +424,8 @@ pre[lang="lua"] code span.function
     border-left-color: blue;
   }
 
-  pre[lang="lua"]
+  pre[lang="lua"],
+  pre[lang="bash"]
   {
     border-color: gray;
     background-color: #222;

manual/traintasticmanual/en-us/gettingstarted/start-client.md

@@ -4,7 +4,7 @@ When Traintastic server is running the Traintastic client can be started.
 
 **Windows:** The Traintastic client can be started using the desktop icon (if installed) or by selecting *Traintastic* -> *Traintastic client* from the Windows start menu.
 
-**Linux:** TODO
+**Linux:** To start Traintastic client, open your desktop environment's application launcher, search for "Traintastic Client," and select it from the list.
 
 ## Connect to the server
 

manual/traintasticmanual/en-us/gettingstarted/start-server.md

@@ -2,13 +2,36 @@
 
 When running Traintastic, the server should be started first.
 
-**Windows:** The Traintastic server can be started using the desktop icon (if installed) or by selecting *Traintastic* -> *Traintastic server* from the Windows start menu.
+## Windows
+The Traintastic server can be started using the desktop icon (if installed) or by selecting *Traintastic* -> *Traintastic server* from the Windows start menu.
 Traintastic server runs as background process, a Traintastic icon will appear in the system tray next to the clock.
 A Windows notification is displayed when it is running in the background.
 Traintastic server can be quit by clicking on the Traintastic icon and selecting *Quit* from the popup menu.
 
 ![](../../gfx/en-us/start/start-traintastic-server-windows.png "Traintastic server tray icon and notification")
 
-**Linux:** TODO
+## Linux
+When installing Traintastic server using a Debian package it is installed as systemd service.
 
-When Traintastic server is running proceed to [start Traintastic client](start-client.md).
+To start the Traintastic server using systemd, open a terminal and run the command:
+```bash
+sudo systemctl start traintastic-server.service
+```
+
+To stop the service, use the command:
+```bash
+sudo systemctl stop traintastic-server.service
+```
+
+Ensure you have the necessary permissions (typically root) to manage systemd services.
+
+### Auto start on system boot
+To enable Traintastic server to start automatically at boot, run the following command in a terminal:
+```bash
+sudo systemctl enable traintastic-server.service
+```
+
+To disable automatic start at boot, run the following command in a terminal:
+```bash
+sudo systemctl disable traintastic-server.service
+```