theratman’s gists

theratman / observium_xinted_to_systemd.sh

Created January 17, 2023 19:43

Converting Observium xinetd service to systemd

	cat << EOF > /etc/systemd/system/observium_agent\@.service
	[Unit]
	Description=Observium Agent Service
	After=network.target observium_agent.socket
	Requires=observium_agent.socket

	[Service]
	Type=simple
	User=root
	# Note the - to make systemd ignore the exit code

theratman / dnsswitcher.command

Last active December 9, 2020 00:03

DNS Switcher: Change DNS service on Mac OS X (use «dialog» that need to be installed before): brew install dialog)

	#!/usr/bin/env zsh
	IFS=$'\n'

	#/ Usage: dnsswitcher.sh
	#/ Description: Change DNS service on Mac OS X
	#/ Examples: ./dnsswitcher.sh
	#/ Options:
	#/ --help: Display this help message
	usage() { grep '^#/' "$0" \| cut -c4- ; exit 0 ; }
	expr "$" : ".--help" > /dev/null && usage

theratman / .zshrc

Last active October 17, 2019 14:22

Better PROMPT (aka PS1) for zsh @ Mac OS X Catalina 10.15

	# Better PROMPT (aka PS1) for zsh @ Mac OS X Catalina 10.15

	export PROMPT="╭─[%B%F{cyan}%n%f%F{red}@%f%F{magenta}%m%f:%b %F{green}%*%f]
	╰─[%F{yellow}%~%f]
	%(?.%F{green}.%F{red})%#%f "
	export RPROMPT="%B%(?..%F{red}%? ↵%f)%b"

theratman / Established_IP_on_port_80_and_443_v2.sh

Last active September 21, 2023 22:53

Show top established IP connections to the ports 80(http) and 443 (https). This scripts use ss (iproute package) and goiplookup to show IP geographic location.

	#!/usr/bin/env bash

	############################################################
	# #
	# Usage: ./Established_IP_on_port_80_and_443_v2.sh [all] #
	# Show IPs TCP State Established, with argument show all #
	# #
	############################################################

	# Color variables

theratman / Established_IP_on_port_80_and_443.sh

Last active October 5, 2020 12:31

Show top established IP connections to the ports 80(http) and 443 (https). This scripts use netstat (net-tools package) and geoiplookup to show IPs and the geographic location of each IP.

	#!/bin/bash
	while true; do
	clear
	if [ $# -gt 0 ]; then
	echo "All State: CLOSE_WAIT CLOSING ESTABLISHED FIN_WAIT1 FIN_WAIT2 LAST_ACK LISTEN SYN_RECV TIME_WAIT etc"
	netstat -ant \| awk '! /LISTEN $/ {split($4, a, ":", seps); if (a[2] == "80" \|\| a[2] == "443") {m=split($5, b, ":", seps); print b[m-1]} }' \| sort \| uniq -c \| sort -n \| tail -20 \| awk '{printf("%s -> ", $0); system("geoiplookup " $0 " \| cut -d\\ -f4-")}'
	else
	echo "Only State: ESTABLISHED"
	netstat -ant \| awk '/ESTABLISHED$/ {split($4, a, ":", seps); if (a[2] == "80" \|\| a[2] == "443") {m=split($5, b, ":", seps); print b[m-1]} }' \| sort \| uniq -c \| sort -n \| tail -20 \| awk '{printf("%s -> ", $0); system("geoiplookup " $0 " \| cut -d\\ -f4-")}'
	fi

theratman / change_filename_to_md5.sh

Last active June 18, 2023 20:04

Rename files to md5 sum plus extension

	#!/bin/bash

	# For Mac OS X version (md5)
	MD="md5 -r"

	# For Linux version (md5sum)
	MD="md5sum"

	for i in ./*; do
	mv "${i}" "./$($MD "$i" \| awk '{print $1}').${i##*.}"

Original RatMan theratman