Update cheatsheets

tldr/linux/spa-json-dump

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# spa-json-dump
+
+> Convert a SPA JSON file to standard JSON.
+> More information: <https://docs.pipewire.org/page_man_spa-json-dump_1.html>.
+
+- Convert a SPA JSON file to standard JSON:
+
+`spa-json-dump {{path/to/file.conf}}`
+
+- Convert SPA JSON from `stdin` to standard JSON:
+
+`echo "{{spa_json_string}}" | spa-json-dump`

tldr/linux/steamos-update

@@ -10,8 +10,8 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Update the operating system:
 
-`steamos-update`
+`sudo steamos-update`
 
 - Check if there is an update available:
 
-`steamos-update check`
+`sudo steamos-update check`

tldr/linux/systemctl

@@ -35,7 +35,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - List all service/socket/automount units filtering by running/failed state:
 
-`systemctl list-units {{[-t|--type]}} {{service|socket|automount}} --state {{failed|running}}`
+`systemctl list-units {{[-t|--type]}} {{service|socket|automount|...}} --state {{failed|running}}`
 
 - Show the contents & absolute path of a unit file or edit it:
 

tldr/linux/zathura

@@ -36,3 +36,7 @@ source: https://github.com/tldr-pages/tldr.git
 - List bookmarks:
 
 `<:>blist<Enter>`
+
+- Follow links:
+
+`<f>{{link_number}}<Enter>`