Update cheatsheets

tldr/linux/eu-readelf

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# eu-readelf
+
+> Displays information about ELF files.
+> More information: <https://manned.org/eu-readelf>.
+
+- Display all extractable information contained in the ELF file:
+
+`eu-readelf --all {{path/to/file}}`
+
+- Display the contents of all NOTE segments/sections, or of a particular segment/section:
+
+`eu-readelf --notes[={{.note.ABI-tag}}] {{path/to/file}}`