Update cheatsheets

tldr/linux/ausyscall

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # ausyscall
 
-> Program that allows mapping syscall names and numbers.
+> Map syscall names and numbers.
 > More information: <https://manned.org/ausyscall>.
 
 - Display syscall number of a specific system call:

tldr/linux/betterdiscordctl

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # betterdiscordctl
 
-> A program for managing BetterDiscord on Linux.
+> Manage BetterDiscord on Linux.
 > More information: <https://github.com/bb010g/betterdiscordctl#manual>.
 
 - Install BetterDiscord on Discord Stable:

tldr/linux/bspc

@@ -5,12 +5,13 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # bspc
 
-> A tool to control `bspwm`.
+> Configure and control `bspwm`, managing nodes, desktops, monitors, and more.
+> See also: `bspwm`.
 > More information: <https://github.com/baskerville/bspwm>.
 
-- Define two virtual desktop:
+- Define two virtual desktops:
 
-`bspc monitor --reset-desktops {{1}} {{2}}`
+`bspc monitor --reset-desktops {{desktop_name1}} {{desktop_name2}}`
 
 - Focus the given desktop:
 
@@ -27,3 +28,7 @@ source: https://github.com/tldr-pages/tldr.git
 - Toggle full screen mode for the selected node:
 
 `bspc node --state ~fullscreen`
+
+- Set the value of a specific setting:
+
+`bspc config {{setting_name}} {{value}}`

tldr/linux/bspwm

@@ -6,12 +6,9 @@ source: https://github.com/tldr-pages/tldr.git
 # bspwm
 
 > A tiling window manager based on binary space partitioning.
+> See also: `bspc`, for controlling it.
 > More information: <https://github.com/baskerville/bspwm>.
 
 - Start `bspwm` (note that a pre-existing window manager must not be open when this command is run):
 
 `bspwm -c {{path/to/config}}`
-
-- View documentation for `bspc`:
-
-`tldr bspc`

tldr/linux/btrbk

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # btrbk
 
-> A tool for creating snapshots and remote backups of btrfs subvolumes.
+> Create snapshots and remote backups of btrfs subvolumes.
 > More information: <https://digint.ch/btrbk/doc/readme.html>.
 
 - Print statistics about configured subvolumes and snapshots:

tldr/linux/cfdisk

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # cfdisk
 
-> A program for managing partition tables and partitions on a hard disk using a curses UI.
+> Manage partition tables and partitions on a hard disk using a curses UI.
 > More information: <https://manned.org/cfdisk>.
 
 - Start the partition manipulator with a specific device:

tldr/linux/cpufreq-info

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # cpufreq-info
 
-> A tool to show CPU frequency information.
+> Show CPU frequency information.
 > More information: <https://manned.org/cpufreq-info>.
 
 - Show CPU frequency information for all CPUs:

tldr/linux/dpkg-query

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # dpkg-query
 
-> A tool that shows information about installed packages.
+> Display information about installed packages.
 > More information: <https://manpages.debian.org/latest/dpkg/dpkg-query.1.html>.
 
 - List all installed packages:

tldr/linux/fdisk

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # fdisk
 
-> A program for managing partition tables and partitions on a hard disk.
+> Manage partition tables and partitions on a hard disk.
 > See also: `partprobe`.
 > More information: <https://manned.org/fdisk>.
 

tldr/linux/fwupdmgr

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # fwupdmgr
 
-> A tool for updating device firmware, including UEFI, using `fwupd`.
+> Update device firmware, including UEFI, using `fwupd`.
 > More information: <https://fwupd.org/>.
 
 - Display all devices detected by fwupd:

tldr/linux/gdebi

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # gdebi
 
-> Simple tool to install `.deb` files.
+> Easily install `.deb` files.
 > More information: <https://www.commandlinux.com/man-page/man1/gdebi.1.html>.
 
 - Install local `.deb` packages resolving and installing its dependencies:

tldr/linux/grubby

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# grubby
+
+> Tool for configuring `grub` and `zipl` bootloaders.
+> More information: <https://manned.org/man/grubby.8>.
+
+- Add kernel boot arguments to all kernel menu entries:
+
+`sudo grubby --update-kernel=ALL --args '{{quiet console=ttyS0}}'`
+
+- Remove existing arguments from the entry for the default kernel:
+
+`sudo grubby --update-kernel=DEFAULT --remove-args {{quiet}}`
+
+- List all kernel menu entries:
+
+`sudo grubby --info=ALL`

tldr/linux/ipset

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # ipset
 
-> A tool to create IP sets for firewall rules.
+> Create IP sets for firewall rules.
 > More information: <https://manned.org/ipset>.
 
 - Create an empty IP set which will contain IP addresses:

tldr/linux/minicom

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # minicom
 
-> A program to communicate with the serial interface of a device.
+> Communicate with the serial interface of a device.
 > More information: <https://manned.org/minicom>.
 
 - Open a given serial port:

tldr/linux/navi

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# navi
+
+> An interactive cheatsheet tool for the command line and application launchers.
+> More information: <https://github.com/denisidoro/navi>.
+
+- Browse through all available cheatsheets:
+
+`navi`
+
+- Browse the cheatsheet for `navi` itself:
+
+`navi fn welcome`
+
+- Print a command from the cheatsheet without executing it:
+
+`navi --print`
+
+- Output shell widget source code (It automatically detects your shell if possible, but can also be specified manually):
+
+`navi widget {{shell}}`
+
+- Autoselect and execute the snippet that best matches a query:
+
+`navi --query '{{query}}' --best-match`

tldr/linux/select

@@ -12,9 +12,13 @@ source: https://github.com/tldr-pages/tldr.git
 
 `select {{word}} in {{apple}} {{orange}} {{pear}} {{banana}}; do echo ${{word}}; done`
 
-- Create a menu for picking a file or folder from the current directory:
+- Create a menu from the output of another command:
 
-`select {{file}} in *; do echo ${{file}}; done`
+`select {{line}} in $({{command}}); do echo ${{line}}; done`
+
+- Specify the prompt string for `select` and create a menu for picking a file or folder from the current directory:
+
+`PS3="{{Select a file: }}"; select {{file}} in *; do echo ${{file}}; done`
 
 - Create a menu from a Bash array:
 

tldr/linux/update-alternatives

@@ -5,7 +5,7 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # update-alternatives
 
-> A convenient tool for maintaining symbolic links to determine default commands.
+> Convenientily maintain symbolic links to determine default commands.
 > More information: <https://manned.org/update-alternatives>.
 
 - Add a symbolic link: