Update cheatsheets

tldr/linux/dmesg

@@ -16,7 +16,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 `sudo dmesg {{[-l|--level]}} err`
 
-- Show kernel messages and keep reading new ones, similar to `tail --follow` (available in kernels 3.5.0 and newer):
+- Show kernel messages and keep [w]aiting for new ones, similar to `tail --follow` (available in kernels 3.5.0 and newer):
 
 `sudo dmesg {{[-w|--follow]}}`
 

tldr/linux/keyd

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# keyd
+
+> Remap keys.
+> More information: <https://manned.org/keyd>.
+
+- Start and enable the `keyd` service:
+
+`systemctl enable keyd --now`
+
+- Display keypress information:
+
+`sudo keyd monitor`
+
+- Reset bindings and reload the configuration files in `/etc/keyd`:
+
+`sudo keyd reload`
+
+- List all valid key names:
+
+`keyd list-keys`
+
+- Create a temporary binding:
+
+`sudo keyd bind "{{pressed_key}} = {{output_key}}`

tldr/linux/lshw

@@ -6,9 +6,9 @@ source: https://github.com/tldr-pages/tldr.git
 # lshw
 
 > List detailed information about hardware configurations as root user.
-> More information: <https://manned.org/lshw>.
+> More information: <https://ezix.org/project/wiki/HardwareLiSter>.
 
-- Launch the GUI:
+- Launch the X11 GUI (if available):
 
 `sudo lshw -X`
 
@@ -16,10 +16,18 @@ source: https://github.com/tldr-pages/tldr.git
 
 `sudo lshw -short`
 
-- List all disks and storage controllers in tabular format:
+- List multiple class of hardware (all disks and storage controllers) in tabular format:
 
-`sudo lshw {{[-c|-class]}} disk -class storage -short`
+`sudo lshw {{[-c|-class]}} disk {{[-c|-class]}} storage -short`
 
 - Save all network interfaces to an HTML/XML/JSON file:
 
 `sudo lshw {{[-c|-class]}} network -{{html|xml|json}} > interfaces{{.html|.xml|.json}}`
+
+- List network interfaces without revealing sensitive information (IP addresses, serial numbers, etc.):
+
+`sudo lshw {{[-c|-class]}} network -sanitize`
+
+- List a particular class of hardware:
+
+`sudo lshw {{[-c|-class]}} {{system|bridge|memory|processor|address|storage|disk|tape|bus|network|display|input|printer|multimedia|communication|power|volume|generic}}`