Update cheatsheets

tldr/linux/kinfocenter

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# kinfocenter
+
+> KDE information center to show system information.
+> More information: <https://manned.org/kinfocenter>.
+
+- Open the GUI:
+
+`kinfocenter`
+
+- List all possible KCM modules for `kinfocenter`:
+
+`kinfocenter --list`
+
+- Display help:
+
+`kinfocenter {{[-h|--help]}}`

tldr/linux/krdpserver

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# krdpserver
+
+> Start an RDP server.
+> More information: <https://invent.kde.org/plasma/krdp#running-the-example-server>.
+
+- Start an RDP server with a username and password:
+
+`krdpserver {{[-u|--username]}} {{user_name}} {{[-p|--password]}} {{password}}`
+
+- Share a specific monitor marked by its index:
+
+`krdpserver {{[-u|--username]}} {{user_name}} {{[-p|--password]}} {{password}} --monitor {{n}}`

tldr/linux/kscreen-console

@@ -30,7 +30,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Display help:
 
-`kscreen-console --help`
+`kscreen-console {{[-h|--help]}}`
 
 - Display help including Qt specific command-line options:
 

tldr/linux/kscreen-doctor

@@ -10,7 +10,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Show display output information:
 
-`kscreen-doctor --outputs`
+`kscreen-doctor {{[-o|--outputs]}}`
 
 - Set the rotation of a display output with an ID of 1 to the right:
 

tldr/linux/systemsettings

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# systemsettings
+
+> KDE central settings program.
+> More information: <https://manned.org/systemsettings>.
+
+- Open the settings GUI:
+
+`systemsettings`
+
+- List all possible KCM modules for `systemsettings`:
+
+`systemsettings --list`
+
+- Display help:
+
+`systemsettings {{[-h|--help]}}`