Update cheatsheets

tldr/linux/kpackagetool5

@@ -14,16 +14,16 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Install the package from a directory:
 
-`kpackagetool5 --type {{package_type}} --install {{path/to/directory}}`
+`kpackagetool5 {{[-t|--type]}} {{package_type}} {{[-i|--install]}} {{path/to/directory}}`
 
 - Update installed package from a directory:
 
-`kpackagetool5 --type {{package_type}} --upgrade {{path/to/directory}}`
+`kpackagetool5 {{[-t|--type]}} {{package_type}} {{[-u|--upgrade]}} {{path/to/directory}}`
 
 - List installed plasmoids (`--global` for all users):
 
-`kpackagetool5 --type Plasma/Applet --list --global`
+`kpackagetool5 {{[-t|--type]}} Plasma/Applet  {{[-l|--list]}} {{[-g|--global]}}`
 
 - Remove a plasmoid by name:
 
-`kpackagetool5 --type Plasma/Applet --remove "{{name}}"`
+`kpackagetool5 {{[-t|--type]}} Plasma/Applet  {{[-r|--remove]}} "{{name}}"`

tldr/linux/kpackagetool6

@@ -14,16 +14,16 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Install the package from a directory:
 
-`kpackagetool6 --type {{package_type}} --install {{path/to/directory}}`
+`kpackagetool6 {{[-t|--type]}} {{package_type}} {{[-i|--install]}} {{path/to/directory}}`
 
 - Update installed package from a directory:
 
-`kpackagetool6 --type {{package_type}} --upgrade {{path/to/directory}}`
+`kpackagetool6 {{[-t|--type]}} {{package_type}} {{[-u|--upgrade]}} {{path/to/directory}}`
 
 - List installed plasmoids (`--global` for all users):
 
-`kpackagetool6 --type Plasma/Applet --list --global`
+`kpackagetool6 {{[-t|--type]}} Plasma/Applet {{[-l|--list]}} {{[-g|--global]}}`
 
 - Remove a plasmoid by name:
 
-`kpackagetool6 --type Plasma/Applet --remove "{{name}}"`
+`kpackagetool6 {{[-t|--type]}} Plasma/Applet {{[-r|--remove]}} "{{name}}"`

tldr/linux/mkinitcpio

@@ -12,30 +12,30 @@ source: https://github.com/tldr-pages/tldr.git
 
 `mkinitcpio`
 
+- Generate ramdisk environments based on all existing presets (used to regenerate all the initramfs images after a change in `/etc/mkinitcpio.conf`):
+
+`sudo mkinitcpio {{[-P|--allpresets]}}`
+
 - Generate a ramdisk environment based on the `linux` preset:
 
-`mkinitcpio --preset {{linux}}`
+`sudo mkinitcpio {{[-p|--preset]}} {{linux}}`
 
 - Generate a ramdisk environment based on the `linux-lts` preset:
 
-`mkinitcpio --preset {{linux-lts}}`
-
-- Generate ramdisk environments based on all existing presets (used to regenerate all the initramfs images after a change in `/etc/mkinitcpio.conf`):
-
-`mkinitcpio --allpresets`
+`sudo mkinitcpio {{[-p|--preset]}} {{linux-lts}}`
 
 - Generate an initramfs image using an alternative configuration file:
 
-`mkinitcpio --config {{path/to/mkinitcpio.conf}} --generate {{path/to/initramfs.img}}`
+`sudo mkinitcpio {{[-c|--config]}} {{path/to/mkinitcpio.conf}} {{[-g|--generate]}} {{path/to/initramfs.img}}`
 
 - Generate an initramfs image for a kernel other than the one currently running (the installed kernel releases can be found in `/usr/lib/modules/`):
 
-`mkinitcpio --kernel {{kernel_version}} --generate {{path/to/initramfs.img}}`
+`sudo mkinitcpio {{[-k|--kernel]}} {{kernel_version}} {{[-g|--generate]}} {{path/to/initramfs.img}}`
 
 - List all available hooks:
 
-`mkinitcpio --listhooks`
+`mkinitcpio {{[-L|--listhooks]}}`
 
 - Display help for a specific hook:
 
-`mkinitcpio --hookhelp {{hook_name}}`
+`mkinitcpio {{[-H|--hookhelp]}} {{hook_name}}`

tldr/linux/xhost

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# xhost
+
+> Manage access control lists for X server connections.
+> More information: <https://manned.org/xhost>.
+
+- Display the current access control list:
+
+`xhost`
+
+- Allow a specific host to connect to the X server:
+
+`xhost +{{hostname}}`
+
+- Deny a specific host from connecting to the X server:
+
+`xhost -{{hostname}}`
+
+- Allow all hosts to connect (disable access control — insecure):
+
+`xhost +`
+
+- Deny all hosts except those explicitly allowed (enable access control):
+
+`xhost -`
+
+- Remove a specific user or address using a family prefix (like `inet:hostname` or `si:localuser:username`):
+
+`xhost -{{family:name}}`