Update cheatsheets

tldr/couchdb

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # couchdb
 
 > Command-line interface for Apache CouchDB database server.
-> More information: <https://couchdb.apache.org>.
+> More information: <https://manned.org/couchdb>.
 
 - Start CouchDB:
 

tldr/decaffeinate

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # decaffeinate
 
 > Move your CoffeeScript source to modern JavaScript.
-> More information: <https://decaffeinate-project.org>.
+> More information: <https://www.npmjs.com/package/decaffeinate#common-options>.
 
 - Convert a CoffeeScript file to JavaScript:
 

tldr/dep

@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Deploy PHP applications.
 > Note: The Go command `dep` with the same name is deprecated and archived.
-> More information: <https://deployer.org>.
+> More information: <https://deployer.org/docs/8.x/cli>.
 
 - Interactively initialize deployer in the local path (use a framework template with `--template=template`):
 

tldr/drupal

@@ -7,7 +7,8 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Generate boilerplate code, interact with and debug Drupal projects.
 > Some subcommands such as `check` have their own usage documentation.
-> More information: <https://drupalconsole.com/>.
+> `drupal` has been deprecated. Use `drush` instead.
+> More information: <https://drupalize.me/topic/drupal-console>.
 
 - Install a module:
 

tldr/elm

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # elm
 
 > Compile and run Elm source files.
-> More information: <https://elm-lang.org>.
+> More information: <https://guide.elm-lang.org/install/elm.html>.
 
 - Initialize an Elm project, generates an elm.json file:
 

tldr/erl

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # erl
 
 > Run and manage programs in the Erlang programming language.
-> More information: <https://www.erlang.org>.
+> More information: <https://erlang.org/documentation/doc-16.0/erts-16.0/doc/html/erl_cmd.html>.
 
 - Compile and run sequential Erlang program as a common script and then exit:
 

tldr/etcd

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # etcd
 
 > A distributed, reliable key-value store for the most critical data of a distributed system.
-> More information: <https://etcd.io>.
+> More information: <https://etcd.io/docs/latest/op-guide/configuration/#command-line-flags>.
 
 - Start a single-node etcd cluster:
 

tldr/ghost

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # ghost
 
 > A blogging platform and headless CMS.
-> More information: <https://ghost.org>.
+> More information: <https://docs.ghost.org/ghost-cli>.
 
 - Install Ghost in the current directory:
 

tldr/gitstats

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # gitstats
 
 > Git repository statistics generator.
-> More information: <https://gitstats.sourceforge.net>.
+> More information: <https://gitstats.readthedocs.io/en/latest/usage.html>.
 
 - Generate statistics for a local repository:
 
@@ -15,3 +15,7 @@ source: https://github.com/tldr-pages/tldr.git
 - View generated statistics in a web browser on Windows (PowerShell)/macOS/Linux:
 
 `{{Invoke-Item|open|xdg-open}} {{path/to/output_folder/index.html}}`
+
+- Display help:
+
+`gitstats {{[-h|--help]}}`

tldr/ipscan

@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > A fast network scanner designed to be simple to use.
 > Also known as Angry IP Scanner.
-> More information: <https://angryip.org/>.
+> More information: <https://www.aldeid.com/wiki/Angry-IPScan#CLI>.
 
 - Scan a specific IP address:
 

tldr/jmeter

@@ -6,20 +6,20 @@ source: https://github.com/tldr-pages/tldr.git
 # jmeter
 
 > Open source Java application designed for load testing functional behavior and measure performance.
-> More information: <https://jmeter.apache.org>.
+> More information: <https://jmeter.apache.org/usermanual/get-started.html#options>.
 
 - Run a specific test plan in nongui mode:
 
-`jmeter --nongui --testfile {{path/to/file.jmx}}`
+`jmeter {{[-n|--nongui]}} {{[-t|--testfile]}} {{path/to/file.jmx}}`
 
 - Run a test plan in nongui mode using a specific log file:
 
-`jmeter --nogui --testfile {{path/to/file.jmx}} --logfile {{path/to/logfile.jtl}}`
+`jmeter {{[-n|--nongui]}} {{[-t|--testfile]}} {{path/to/file.jmx}} {{[-l|--logfile]}} {{path/to/logfile.jtl}}`
 
 - Run a test plan in nongui mode using a specific proxy:
 
-`jmeter --nongui --testfile {{path/to/file.jmx}} --proxyHost {{127.0.0.1}} --proxyPort {{8888}}`
+`jmeter {{[-n|--nongui]}} {{[-t|--testfile]}} {{path/to/file.jmx}} {{[-H-|--proxyHost]}} {{127.0.0.1}} {{[-P|--proxyPort]}} {{8888}}`
 
 - Run a test plan in nongui mode using a specific JMeter property:
 
-`jmeter --jmeterproperty {{key}}='{{value}}' --nongui --testfile {{path/to/file.jmx}}`
+`jmeter {{[-n|--nongui]}} {{[-t|--testfile]}} {{path/to/file.jmx}} {{[-J|--jmeterproperty]}} {{key}}='{{value}}'`

tldr/k3d

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # k3d
 
 > A wrapper to easily create k3s clusters inside Docker.
-> More information: <https://k3d.io>.
+> More information: <https://k3d.io/stable/usage/commands/>.
 
 - Create a cluster:
 
@@ -22,7 +22,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Import an image from Docker into a k3d cluster:
 
-`k3d image import {{image_name}} --cluster {{cluster_name}}`
+`k3d image import {{image_name}} {{[-c|--cluster]}} {{cluster_name}}`
 
 - Create a new registry:
 

tldr/kitex

@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Code generation tool provided by the Go RPC framework Kitex.
 > Kitex accepts both thrift and protobuf IDLs, and supports generating a skeleton of a server side project.
-> More information: <https://www.cloudwego.io>.
+> More information: <https://www.cloudwego.io/docs/kitex/tutorials/code-gen/code_generation/#generate-code>.
 
 - Generate client codes when a project is in `$GOPATH`:
 

tldr/kosmorro

@@ -6,20 +6,20 @@ source: https://github.com/tldr-pages/tldr.git
 # kosmorro
 
 > Compute the ephemerides and the events for a date at a position on Earth.
-> More information: <https://kosmorro.space>.
+> More information: <https://github.com/Kosmorro/kosmorro/blob/master/manpage/kosmorro.1.md>.
 
 - Get ephemerides for Paris, France:
 
-`kosmorro --latitude={{48.7996}} --longitude={{2.3511}}`
+`kosmorro {{[-la|--latitude]}} 48.7996 {{[-lo|--longitude]}} 2.3511`
 
 - Get ephemerides for Paris, France, in the UTC+2 timezone:
 
-`kosmorro --latitude={{48.7996}} --longitude={{2.3511}} --timezone={{2}}`
+`kosmorro {{[-la|--latitude]}} 48.7996 {{[-lo|--longitude]}} 2.3511 {{[-t|--timezone]}} 2`
 
 - Get ephemerides for Paris, France, on June 9th, 2020:
 
-`kosmorro --latitude={{48.7996}} --longitude={{2.3511}} --date={{2020-06-09}}`
+`kosmorro {{[-la|--latitude]}} 48.7996 {{[-lo|--longitude]}} 2.3511 {{[-d|--date]}} 2020-06-09`
 
 - Generate a PDF (Note: TeXLive must be installed):
 
-`kosmorro --format={{pdf}} --output={{path/to/file.pdf}}`
+`kosmorro {{[-f|--format]}} pdf {{[-o|--output]}} {{path/to/file.pdf}}`

tldr/kotlin

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # kotlin
 
 > Kotlin application launcher.
-> More information: <https://kotlinlang.org>.
+> More information: <https://kotlinlang.org/docs/command-line.html#compile-a-library>.
 
 - Run a jar file:
 

tldr/kotlinc

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # kotlinc
 
 > Kotlin compiler.
-> More information: <https://kotlinlang.org/docs/command-line.html>.
+> More information: <https://kotlinlang.org/docs/compiler-reference.html#common-options>.
 
 - Start a REPL (interactive shell):
 

tldr/latex

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # latex
 
 > Compile a DVI document from LaTeX source files.
-> More information: <https://www.latex-project.org>.
+> More information: <https://texdoc.org/serve/tex.man1.pdf/0>.
 
 - Compile a DVI document:
 

tldr/lein

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # lein
 
 > Manage Clojure projects with declarative configuration.
-> More information: <https://leiningen.org>.
+> More information: <https://manned.org/lein>.
 
 - Generate scaffolding for a new project based on a template:
 

tldr/linux/nft-monitor

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# nft monitor
+
+> Show real-time changes happening inside the Linux firewall `nftables`.
+> More information: <https://manned.org/nft#head21>.
+
+- Monitor all nftables events:
+
+`sudo nft monitor`
+
+- Monitor only rule updates (add, delete, replace):
+
+`sudo nft monitor rules`
+
+- Monitor set and element updates:
+
+`sudo nft monitor sets`
+
+- Monitor events and print JSON output:
+
+`sudo nft {{[-j|--json]}} monitor`

tldr/linux/systemctl-kexec

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# systemctl kexec
+
+> Reboot the system via kexec.
+> More information: <https://www.freedesktop.org/software/systemd/man/systemctl.html#kexec>.
+
+- Fast reboot using kexec (if kernel is pre-loaded):
+
+`systemctl kexec`
+
+- Force normal reboot even if kexec is available:
+
+`systemctl kexec {{[-f|--force]}}`

tldr/lualatex

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # lualatex
 
 > An extended version of TeX using Lua to compile.
-> More information: <https://manned.org/lualatex.1>.
+> More information: <https://texdoc.org/serve/tex.man1.pdf/0>.
 
 - Start `texlua` to act as a Lua interpreter:
 

tldr/mh_copyright

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # mh_copyright
 
 > Adjust copyright headers for MATLAB or Octave code.
-> More information: <https://misshit.org>.
+> More information: <https://florianschanda.github.io/miss_hit/copyright.html>.
 
 - Update the year (range) to include the current year for the specified files:
 

tldr/mh_metric

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # mh_metric
 
 > Calculate and enforce code metrics for MATLAB or Octave code.
-> More information: <https://florianschanda.github.io/miss_hit/cli.html>.
+> More information: <https://florianschanda.github.io/miss_hit/metrics.html>.
 
 - Print the code metrics for the specified files:
 

tldr/nu

@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Nushell ("a new type of shell") takes a modern, structured approach to your command-line.
 > See also: `elvish`.
-> More information: <https://www.nushell.sh>.
+> More information: <https://www.nushell.sh/book/configuration.html#flag-behavior>.
 
 - Start an interactive shell session:
 
@@ -15,7 +15,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Execute specific commands:
 
-`nu --commands "{{echo 'nu is executed'}}"`
+`nu {{[-c|--commands]}} "{{echo 'nu is executed'}}"`
 
 - Execute a specific script:
 

tldr/nyxt

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # nyxt
 
 > A keyboard-driven web browser for power users.
-> More information: <https://nyxt.atlas.engineer>.
+> More information: <https://nyxt-browser.com/documentation>.
 
 - List all profiles:
 

tldr/openssl

@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > OpenSSL cryptographic toolkit.
 > Some subcommands such as `req` have their own usage documentation.
-> More information: <https://www.openssl.org>.
+> More information: <https://docs.openssl.org/master/man1/openssl/>.
 
 - Display help:
 

tldr/php-yii

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # php yii
 
 > Yii Framework's command-line interface.
-> More information: <https://yiiframework.com>.
+> More information: <https://www.yiiframework.com/doc/guide/2.0/en/tutorial-console>.
 
 - Start PHP's built-in web server for the current Yii application:
 

tldr/phpize

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # phpize
 
 > Prepare a PHP extension for compiling.
-> More information: <https://www.php.net/manual/install.pecl.phpize>.
+> More information: <https://manned.org/phpize>.
 
 - Prepare the PHP extension in the current directory for compiling:
 

tldr/postcss

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # postcss
 
 > Transform styles with JS plugins.
-> More information: <https://postcss.org>.
+> More information: <https://github.com/postcss/postcss-cli#usage>.
 
 - Parse and transform a CSS file:
 
@@ -14,15 +14,15 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Parse and transform a CSS file and output to a specific file:
 
-`postcss {{path/to/file}} --output {{path/to/file}}`
+`postcss {{path/to/file}} {{[-o|--output]}} {{path/to/file}}`
 
 - Parse and transform a CSS file and output to a specific directory:
 
-`postcss {{path/to/file}} --dir {{path/to/directory}}`
+`postcss {{path/to/file}} {{[-d|--dir]}} {{path/to/directory}}`
 
 - Parse and transform a CSS file in-place:
 
-`postcss {{path/to/file}} --replace`
+`postcss {{path/to/file}} {{[-r|--replace]}}`
 
 - Specify a custom PostCSS parser:
 
@@ -34,8 +34,8 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Watch for changes to a CSS file:
 
-`postcss {{path/to/file}} --watch`
+`postcss {{path/to/file}} {{[-w|--watch]}}`
 
 - Display help:
 
-`postcss --help`
+`postcss {{[-h|--help]}}`

tldr/prqlc

@@ -7,7 +7,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 > PRQL compiler.
 > PRQL is a modern language for transforming data - a simple, powerful, pipelined SQL replacement.
-> More information: <https://prql-lang.org>.
+> More information: <https://prql-lang.org/book/project/integrations/prqlc-cli.html>.
 
 - Run the compiler interactively:
 

tldr/redis-server

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # redis-server
 
 > Persistent key-value database.
-> More information: <https://redis.io>.
+> More information: <https://redis.io/learn/operate/redis-at-scale/talking-to-redis/configuring-a-redis-server>.
 
 - Start Redis server, using the default port (6379), and write logs to `stdout`:
 

tldr/scala

@@ -6,15 +6,15 @@ source: https://github.com/tldr-pages/tldr.git
 # scala
 
 > Scala application launcher and interactive interpreter.
-> More information: <https://scala-lang.org>.
+> More information: <https://scala-cli.virtuslab.org/docs/reference/cli-options>.
 
 - Start a REPL (interactive shell):
 
 `scala`
 
-- Start the interpreter with a dependency in the classpath:
+- Start the interpreter with a dependency in the [c]lass[p]ath:
 
-`scala -classpath {{filename.jar}} {{command}}`
+`scala {{[-cp|--extra-jars]}} {{filename.jar}} {{command}}`
 
 - Execute a Scala script:
 
@@ -26,4 +26,4 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Execute a single Scala command in the command-line:
 
-`scala -e {{command}}`
+`scala {{[-e|--execute-script]}} {{command}}`

tldr/standard

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # standard
 
 > The JavaScript Standard Style tool for linting and fixing JavaScript code.
-> More information: <https://standardjs.com>.
+> More information: <https://standardjs.com/#usage>.
 
 - Lint all JavaScript source files in the current directory:
 

tldr/swift

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # swift
 
 > Create, run and build Swift projects.
-> More information: <https://swift.org>.
+> More information: <https://manned.org/swiftc>.
 
 - Start a REPL (interactive shell):
 
@@ -30,4 +30,4 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Compile project for release:
 
-`swift build -c release`
+`swift build {{[-c|--configuration]}} {{debug|release}}`

tldr/tabula

@@ -6,28 +6,28 @@ source: https://github.com/tldr-pages/tldr.git
 # tabula
 
 > Extract tables from PDF files.
-> More information: <https://tabula.technology>.
+> More information: <https://github.com/tabulapdf/tabula-java#commandline-usage-examples>.
 
 - Extract all tables from a PDF to a CSV file:
 
-`tabula -o {{file.csv}} {{file.pdf}}`
+`tabula {{[-o|--outfile]}} {{file.csv}} {{file.pdf}}`
 
 - Extract all tables from a PDF to a JSON file:
 
-`tabula --format JSON -o {{file.json}} {{file.pdf}}`
+`tabula {{[-f|--format]}} JSON {{[-o|--outfile]}} {{file.json}} {{file.pdf}}`
 
 - Extract tables from pages 1, 2, 3, and 6 of a PDF:
 
-`tabula --pages {{1-3,6}} {{file.pdf}}`
+`tabula {{[-p|--pages]}} 1-3,6 {{file.pdf}}`
 
 - Extract tables from page 1 of a PDF, guessing which portion of the page to examine:
 
-`tabula --guess --pages {{1}} {{file.pdf}}`
+`tabula {{[-g|--guess]}} {{[-p|--pages]}} 1 {{file.pdf}}`
 
 - Extract all tables from a PDF, using ruling lines to determine cell boundaries:
 
-`tabula --spreadsheet {{file.pdf}}`
+`tabula {{[-r|--spreadsheet]}} {{file.pdf}}`
 
 - Extract all tables from a PDF, using blank space to determine cell boundaries:
 
-`tabula --no-spreadsheet {{file.pdf}}`
+`tabula {{[-n|--no-spreadsheet]}} {{file.pdf}}`

tldr/timidity

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # timidity
 
 > Play and convert MIDI files.
-> More information: <https://timidity.sourceforge.net>.
+> More information: <https://manned.org/timidity>.
 
 - Play a MIDI file:
 
@@ -14,7 +14,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Play a MIDI file in a loop:
 
-`timidity --loop {{path/to/file.mid}}`
+`timidity {{[--l|--loop]}} {{path/to/file.mid}}`
 
 - Play a MIDI file in a specific key (0 = C major/A minor, -1 = F major/D minor, +1 = G major/E minor, etc.):
 

tldr/todo

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # todo
 
 > A simple, standards-based, cli todo manager.
-> More information: <https://todoman.readthedocs.io>.
+> More information: <https://todoman.readthedocs.io/en/stable/man.html>.
 
 - List startable tasks:
 
@@ -14,7 +14,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Add a new task to the work list:
 
-`todo new {{thing_to_do}} --list {{work}}`
+`todo new {{thing_to_do}} {{[-l|--list]}} {{work}}`
 
 - Add a location to a task with a given ID:
 

tldr/virtualenvwrapper

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # virtualenvwrapper
 
 > Group of simple wrapper commands for Python's `virtualenv` tool.
-> More information: <https://virtualenvwrapper.readthedocs.org>.
+> More information: <https://virtualenvwrapper.readthedocs.io/en/latest/command_ref.html>.
 
 - Create a new Python `virtualenv` in `$WORKON_HOME`:
 

tldr/webpack

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # webpack
 
 > Bundle a web project's js files and other assets into a single output file.
-> More information: <https://webpack.js.org>.
+> More information: <https://webpack.js.org/api/cli/>.
 
 - Create a single output file from an entry point file:
 
@@ -18,8 +18,8 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Pass a configuration file (with e.g. the entry script and the output filename) and show compilation progress:
 
-`webpack --config {{webpack.config.js}} --progress`
+`webpack {{[-c|--config]}} {{webpack.config.js}} --progress`
 
 - Automatically recompile on changes to project files:
 
-`webpack --watch {{app.js}} {{bundle.js}}`
+`webpack {{[-w|--watch]}} {{app.js}} {{bundle.js}}`