Alexander ferr0

dumping request and response headers from tcpdump in a human readable way:

sudo stdbuf -oL -eL /usr/sbin/tcpdump -A -s 10240 "tcp port 80 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)" | egrep -a --line-buffered ".+(GET |HTTP\/|POST )|^[A-Za-z0-9-]+: " | perl -nle 'BEGIN{$|=1} { s/.*?(GET |HTTP\/[0-9.]* |POST )/\n$1/g; print }'

Install choco

Set-ExecutionPolicy Bypass -Scope Process -Force; [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072; iex ((New-Object System.Net.WebClient).DownloadString('https://community.chocolatey.org/install.ps1'))

Install package's

security and hardening options for systemd service units

A common and reliable pattern in service unit files is thus:

NoNewPrivileges=yes
PrivateTmp=yes
PrivateDevices=yes
DevicePolicy=closed
ProtectSystem=strict

Compile Mainline Kernel for WSL2

Steps for compile Kernel Linux 5.15.0

Actual Kernel

$ uname -a
Linux DESKTOP-ID 4.19.128-microsoft-standard #1 SMP Tue Jun 23 12:58:10 UTC 2020 x86_64 GNU/Linux

Work Dir linux

Automatic creation of 70-persistent-net.rules on CentOS 7 with net.ifnames=0 and biosdevname=0

All quoted scripts are direct copy from latest CentOS 6

Logon under root or sudo -s
Create "/lib/udev/write_net_rules" file with content:

#!/bin/sh -e
#
# Copyright (C) 2006 Marco d'Itri <[email protected]>

	#!/usr/bin/awk -f
	#
	# Author: Matt Pascoe - [email protected]
	#
	# This awk script is used to extract relavant information from a dhcpd.conf
	# config file and build a csv with appropriate fields for passing into
	# a dcm.pl module. This can be used to bootstrap a new database from existing
	# site data. As usual, inspect the output for accuracy.

	# Note that for hosts, it will try a reverse lookup on the IP address

	#!/usr/bin/env bash

	unalias d
	alias d=docker
	alias dm=docker-machine
	alias fig=docker-compose
	alias vidocker="$EDITOR $HOME/.oh-my-zsh/custom/docker.zsh"

	de() { docker exec -it $(docker ps -l -q) ${1:-'/bin/bash'}; }
	dps() { docker ps --format '{{.ID}}\t{{.Image}}'; }

	DROP FUNCTION IF EXISTS squid_log.id_by_date;
	CREATE FUNCTION `id_by_date`(day DATE)
	RETURNS int(11)
	DETERMINISTIC /* Чтобы в where-выражении функция не вызывалась для каждой записи */
	READS SQL DATA
	COMMENT 'Получить id записи, ближайшей к указанной дате'
	BEGIN
	/*******************************************************************************
	* Получить id записи, ближайшей к указанной дате
	* ----------------------------------------------

	#---------------------------------------------------------------------
	# Example configuration for a possible web application. See the
	# full configuration options online.
	#
	# http://haproxy.1wt.eu/download/1.4/doc/configuration.txt
	#
	#---------------------------------------------------------------------

	global
	log 127.0.0.1 local2

	// Determine linux distribution and version
	cat /etc/issue
	cat /etc/*-release
	cat /etc/lsb-release
	cat /etc/redhat-release

	// Determine kernel version - 32 or 64-bit?
	cat /proc/version
	uname -a
	uname -mrs