Update cheatsheets

tldr/linux/cjxl

@@ -0,0 +1,22 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# cjxl
+
+> Compress images to JPEG XL.
+> Accepted input extensions are PNG, APNG, GIF, JPEG, EXR, PPM, PFM, PAM, PGX, and JXL.
+> More information: <https://github.com/libjxl/libjxl>.
+
+- Convert an image to JPEG XL:
+
+`cjxl {{path/to/image.ext}} {{path/to/output.jxl}}`
+
+- Set quality to lossless and maximize compression of the resulting image:
+
+`cjxl --distance 0 --effort 9 {{path/to/image.ext}} {{path/to/output.jxl}}`
+
+- Display an extremely detailed help page:
+
+`cjxl --help --verbose --verbose --verbose --verbose`

tldr/linux/djxl

@@ -0,0 +1,18 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# djxl
+
+> Decompress JPEG XL images.
+> Accepted output extensions are PNG, APNG, JPEG, EXR, PGM, PPM, PNM, PFM, PAM, EXIF, XMP and JUMBF.
+> More information: <https://github.com/libjxl/libjxl>.
+
+- Decompress a JPEG XL image to another format:
+
+`djxl {{path/to/image.jxl}} {{path/to/output.ext}}`
+
+- Display an extremely detailed help page:
+
+`djxl --help --verbose --verbose --verbose --verbose`

tldr/linux/flatpak

@@ -10,11 +10,11 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Run an installed application:
 
-`flatpak run {{name}}`
+`flatpak run {{com.example.app}}`
 
 - Install an application from a remote source:
 
-`flatpak install {{remote}} {{name}}`
+`flatpak install {{remote_name}} {{com.example.app}}`
 
 - List installed applications, ignoring runtimes:
 
@@ -30,7 +30,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Remove an installed application:
 
-`flatpak remove {{name}}`
+`flatpak remove {{com.example.app}}`
 
 - Remove all unused applications:
 
@@ -38,4 +38,4 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Show information about an installed application:
 
-`flatpak info {{name}}`
+`flatpak info {{com.example.app}}`

tldr/linux/flatpak-run

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# flatpak run
+
+> Run flatpak applications and runtimes.
+> More information: <https://docs.flatpak.org/en/latest/flatpak-command-reference.html#flatpak-run>.
+
+- Run an installed application:
+
+`flatpak run {{com.example.app}}`
+
+- Run an installed application from a specific branch e.g. stable, beta, master:
+
+`flatpak run --branch={{stable|beta|master|...}} {{com.example.app}}`
+
+- Run an interactive shell inside a flatpak:
+
+`flatpak run --command={{sh}} {{com.example.app}}`