From 68931b03899e794098000d58056f2dd5f5cef47a Mon Sep 17 00:00:00 2001
From: ivuorinen <ivuorinen@users.noreply.github.com>
Date: Sat, 2 Mar 2024 00:12:40 +0000
Subject: [PATCH] Update cheatsheets

---
 tldr/entr                    | 14 +++++++++++-
 tldr/linux/check-dfsg-status | 18 ++++++++++++++++
 tldr/linux/opkg              |  4 ----
 tldr/linux/pwn               | 41 ++++++++++++++++++++++++++++++++++++
 4 files changed, 72 insertions(+), 5 deletions(-)
 create mode 100644 tldr/linux/check-dfsg-status
 create mode 100644 tldr/linux/pwn

diff --git a/tldr/entr b/tldr/entr
index aedc1ba4..82860ec7 100644
--- a/tldr/entr
+++ b/tldr/entr
@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # entr
 
 > Run arbitrary commands when files change.
-> More information: <https://manned.org/entr>.
+> More information: <http://eradman.com/entrproject/>.
 
 - Rebuild with `make` if any file in any subdirectory changes:
 
@@ -23,3 +23,15 @@ source: https://github.com/tldr-pages/tldr.git
 - Run a command with the changed file (`/_`) as an argument:
 
 `{{ls *.sql}} | entr {{psql -f}} /_`
+
+- [c]lear the screen and run a query after the SQL script is updated:
+
+`{{echo my.sql}} | entr -cp {{psql -f}} /_`
+
+- Rebuild the project if source files change, limiting output to the first few lines:
+
+`{{find src/}} | entr -s {{'make | sed 10q'}}`
+
+- Launch and auto-[r]eload a Node.js server:
+
+`{{ls *.js}} | entr -r {{node app.js}}`
diff --git a/tldr/linux/check-dfsg-status b/tldr/linux/check-dfsg-status
new file mode 100644
index 00000000..5587c0f9
--- /dev/null
+++ b/tldr/linux/check-dfsg-status
@@ -0,0 +1,18 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# check-dfsg-status
+
+> Report non-free packages installed on Debian-based OSes.
+> This command was formerly known as `vrms`.
+> More information: <https://debian.pages.debian.net/check-dfsg-status/>.
+
+- List non-free and contrib packages (and their description):
+
+`check-dfsg-status`
+
+- Only output the package names:
+
+`check-dfsg-status --sparse`
diff --git a/tldr/linux/opkg b/tldr/linux/opkg
index 292d6c94..c63723ab 100644
--- a/tldr/linux/opkg
+++ b/tldr/linux/opkg
@@ -20,10 +20,6 @@ source: https://github.com/tldr-pages/tldr.git
 
 `opkg update`
 
-- Upgrade all the installed packages:
-
-`opkg upgrade`
-
 - Upgrade one or more specific package(s):
 
 `opkg upgrade {{package(s)}}`
diff --git a/tldr/linux/pwn b/tldr/linux/pwn
new file mode 100644
index 00000000..ef710fa4
--- /dev/null
+++ b/tldr/linux/pwn
@@ -0,0 +1,41 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pwn
+
+> Exploit Development Library designed for rapid prototyping.
+> More information: <https://docs.pwntools.com/en/stable/commandline.html>.
+
+- Convert  the given assembly code to `bytes`:
+
+`pwn asm "{{xor edi, edi}}"`
+
+- Create a cyclic pattern of the specific number of characters:
+
+`pwn cyclic {{number}}`
+
+- Encode the given data into the hexadecimal system:
+
+`pwn hex {{deafbeef}}`
+
+- Decode the given data from hexadecimal:
+
+`pwn unhex {{6c4f7645}}`
+
+- Print a x64 Linux shellcode for running a shell:
+
+`pwn shellcraft {{amd64.linux.sh}}`
+
+- Check the binary security settings for the given ELF file:
+
+`pwn checksec {{path/to/file}}`
+
+- Check for Pwntools updates:
+
+`pwn update`
+
+- Display version:
+
+`pwn version`