Update cheatsheets

tldr/dcgmi

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# dcgmi
+
+> Manage and monitor NVIDIA Data Center GPUs.
+> More information: <https://developer.nvidia.com/dcgm>.
+
+- Display information on all available GPUs and processes using them:
+
+`dcgmi discovery {{[-l|--list]}}`
+
+- List created groups:
+
+`dcgmi group {{[-l|--list]}}`
+
+- Display current usage statistics for device 0:
+
+`dcgmi dmon {{[-e|--field-id]}}{{1001,1002,1003,1004,1005}}`
+
+- Display help:
+
+`dcgmi {{[-h|--help]}}`
+
+- Display help for a subcommand:
+
+`dcgmi {{subcommand}} {{[-h|--help]}}`

tldr/elasticsearch-croneval

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# elasticsearch-croneval
+
+> Validates and evaluates a `cron` expression. This command helps verify that `cron` expressions are valid for use with Elasticsearch and produce the expected results.
+> More information: <https://www.elastic.co/guide/en/elasticsearch/reference/current/elasticsearch-croneval.html>.
+
+- Evaluate a `cron` expression and display the next 10 trigger times (default behavior):
+
+`elasticsearch-croneval "{{cron_expression}}"`
+
+- Evaluate a `cron` expression and display a specific number of future trigger times:
+
+`elasticsearch-croneval "{{cron_expression}}" {{[-c|--count]}} {{integer}}`
+
+- Display detailed information (including stack trace) for an invalid `cron` expression:
+
+`elasticsearch-croneval "{{invalid_cron_expression}}" {{[-d|--detail]}}`
+
+- Display minimal output (silent mode):
+
+`elasticsearch-croneval "{{cron_expression}}" {{[-s|--silent]}}`
+
+- Display verbose output:
+
+`elasticsearch-croneval "{{cron_expression}}" {{[-v|--verbose]}}`

tldr/linux/certtool

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# certtool
+
+> Generate and manage X.509 certificates, keys, and PKI structures using GnuTLS.
+> More information: <https://gnutls.org/manual/gnutls.html#certtool-Invocation>.
+
+- Generate a private key and save it to a file:
+
+`certtool {{[-p|--generate-privkey]}} --outfile {{path/to/private.key}}`
+
+- Generate a self-signed certificate using a private key and a template file:
+
+`certtool {{[-s|--generate-self-signed]}} --load-privkey {{path/to/private.key}} --template {{path/to/info.template}} --outfile {{path/to/certificate.crt}}`
+
+- Generate a certificate signing request (CSR):
+
+`certtool {{[-q|--generate-request]}} --load-privkey {{path/to/private.key}} --template {{path/to/info.template}} --outfile {{path/to/request.csr}}`
+
+- Generate a certificate authority (CA) certificate:
+
+`certtool {{[-s|--generate-self-signed]}} --load-privkey {{path/to/ca.key}} --template {{path/to/ca.template}} --outfile {{path/to/ca.crt}}`
+
+- Verify a certificate against a CA certificate:
+
+`certtool --verify --infile {{path/to/certificate.crt}} --load-ca-certificate {{path/to/ca.crt}}`

tldr/linux/cmus

@@ -8,9 +8,9 @@ source: https://github.com/tldr-pages/tldr.git
 > Command-line Music Player.
 > Use `<ArrowKeys>` to navigate, `<Enter>` to select, and numbers `<1>`-`<8>` switch between different views.
 > See also: `ncmpcpp`, `clementine`, `qmmp`.
-> More information: <https://cmus.github.io>.
+> More information: <https://manned.org/cmus>.
 
-- Open cmus into the specified directory (this will become your new working directory):
+- Open `cmus` into the specified directory (this will become your new working directory):
 
 `cmus {{path/to/directory}}`
 
@@ -18,6 +18,14 @@ source: https://github.com/tldr-pages/tldr.git
 
 `<:>add {{path/to/file_or_directory}}`
 
+- Refresh the metadata of songs in the library:
+
+`<:>update-cache`
+
+- Search for songs, albums, or artists:
+
+`</>{{something}}`
+
 - Pause/unpause current song:
 
 `<c>`
@@ -26,6 +34,6 @@ source: https://github.com/tldr-pages/tldr.git
 
 `<s>`
 
-- Quit cmus:
+- Quit `cmus`:
 
 `<q>`

tldr/linux/pirut

@@ -0,0 +1,14 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pirut
+
+> Graphical frontend for `yum`.
+> See also: `yum`.
+> More information: <https://manned.org/pirut>.
+
+- Launch `pirut`:
+
+`pirut`

tldr/linux/pw-link

@@ -10,7 +10,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - List all audio output and input ports with their IDs:
 
-`pw-link {{[-oiI|--output --input --ids]}}`
+`pw-link {{[-oiI|--output --input --id]}}`
 
 - Create a link between an output and an input port:
 
@@ -22,7 +22,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - List all links with their IDs:
 
-`pw-link {{[-lI|--links --ids]}}`
+`pw-link {{[-lI|--links --id]}}`
 
 - Display help:
 

tldr/masscan

@@ -5,8 +5,8 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # masscan
 
-> Network scanner for scanning as fast as possible.
-> Best run with elevated privileges. Nmap compatibility run `masscan --nmap` to find out more.
+> A very fast network scanner.
+> Works best with elevated privileges. For help with Nmap compatibility, run `masscan --nmap`.
 > More information: <https://manned.org/masscan>.
 
 - Scan an IP or network subnet for port 80:

tldr/papermc

@@ -0,0 +1,33 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# papermc
+
+> Manage a Minecraft server.
+> More information: <https://github.com/Edenhofer/minecraft-server/blob/main/minecraftd.sh.in#L480>.
+
+- Start a server:
+
+`papermc start`
+
+- Stop a server:
+
+`papermc stop`
+
+- Restart a server:
+
+`papermc restart`
+
+- Backup a world:
+
+`papermc backup`
+
+- Restore world data from a backup:
+
+`papermc restore {{path/to/filename}}`
+
+- Display help:
+
+`papermc`