Update cheatsheets

tldr/linux/autorecon

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# autorecon
+
+> A multi-threaded network reconnaissance tool which performs automated enumeration of services.
+> More information: <https://github.com/Tib3rius/AutoRecon>.
+
+- Perform reconnaissance on target host(s) (detailed scan results will be dumped in `./results`):
+
+`sudo autorecon {{host_or_ip1,host_or_ip2,...}}`
+
+- Perform reconnaissance on [t]arget(s) from a file:
+
+`sudo autorecon --target-file {{path/to/file}}`
+
+- [o]utput results to a different directory:
+
+`sudo autorecon --output {{path/to/results}} {{host_or_ip1,host_or_ip2,...}}`
+
+- Limit scanning to specific [p]orts and protocols (`T` for TCP, `U` for UDP, `B` for both):
+
+`sudo autorecon --ports {{T:21-25,80,443,U:53,B:123}} {{host_or_ip1,host_or_ip2,...}}`

tldr/linux/dnf5

@@ -0,0 +1,43 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# dnf5
+
+> Package management utility for RHEL, Fedora, and CentOS (it replaces dnf, which in turn replaced yum).
+> DNF5 is a C++ rewrite of the DNF package manager featuring improved performance and a smaller size.
+> For equivalent commands in other package managers, see <https://wiki.archlinux.org/title/Pacman/Rosetta>.
+> More information: <https://dnf5.readthedocs.io/>.
+
+- Upgrade installed packages to the newest available versions:
+
+`sudo dnf5 upgrade`
+
+- Search packages via keywords:
+
+`dnf5 search {{keyword1 keyword2 ...}}`
+
+- Display details about a package:
+
+`dnf5 info {{package}}`
+
+- Install new packages (Note: use `-y` to confirm all prompts automatically):
+
+`sudo dnf5 install {{package1 package2 ...}}`
+
+- Remove packages:
+
+`sudo dnf5 remove {{package1 package2 ...}}`
+
+- List installed packages:
+
+`dnf5 list --installed`
+
+- Find which packages provide a given command:
+
+`dnf5 provides {{command}}`
+
+- Remove or expire cached data:
+
+`sudo dnf5 clean all`

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}}`