rany2’s gists

rany2 / [email protected] autologin.conf

Created November 30, 2025 17:52

LXC AutoLogin

	[Service]
	ExecStart=
	ExecStart=-/sbin/agetty -o '-p -f -- \\u' --noclear --keep-baud --autologin root - 115200,38400,9600 $TERM

rany2 / assoclist-all.sh

Last active November 10, 2025 19:22

OpenWRT assoclist for all WiFi interfaces

	#!/bin/sh

	. /usr/share/libubox/jshn.sh

	list_ifaces() {
	ubus list 'hostapd.*' 2>/dev/null \| sed 's/^hostapd\.//' \| sort -n
	}

	to_mbps() {
	awk -v r="$1" 'BEGIN{if (r=="") {print "N/A"} else {printf "%.1f MBit/s", r/100000}}'

rany2 / pretty-uptime.sh

Created March 9, 2024 14:22

Something similar to `uptime -p` but for busybox

	#!/bin/sh
	# pretty-print system uptime

	# get uptime and idle
	read -r u _ < /proc/uptime
	u=${u%.*}

	# function to calculate and print time period
	print_period() {
	period_seconds="$1"

rany2 / iperf3-gw

Created January 14, 2024 16:58

IPERF3 script

	#!/bin/sh

	# Generate a random 32-bit number to use to pick a random
	# IPERF3 port. Random device is overridable by setting the
	# RAND_DEVICE environment variable.
	RAND_DEVICE=${RAND_DEVICE:-/dev/random}
	RAND_NUMBER=$(hexdump -n4 -e '4/4 "%u"' "${RAND_DEVICE}")

	# IPERF3 paramaters, only dynamic parameter is IPERF3_PORT.
	IPERF3_BIN=${IPERF3_BIN:-iperf3}

rany2 / oracle_latency_test.py

Created January 10, 2024 15:06

Latency test against all Oracle Cloud regions

	#!/usr/bin/env python3

	import concurrent.futures
	import socket
	import timeit
	import argparse

	REGIONS = [ # https://docs.oracle.com/en-us/iaas/Content/General/Concepts/regions.htm
	{"region": "Australia East", "area": "Sydney", "code": "ap-sydney-1"},
	{"region": "Australia Southeast", "area": "Melbourne", "code": "ap-melbourne-1"},

rany2 / iperf3.service

Last active April 15, 2023 18:31

Hardened iperf3 service

	# /lib/systemd/system/iperf3.service
	[Unit]
	Description=iperf3 server
	Documentation=man:iperf3(1)
	After=network.target auditd.service

	[Service]
	Type=simple
	Restart=always
	RestartSec=15

rany2 / [email protected]

Last active November 4, 2025 17:58

Hardened systemd service for PPP

	[Unit]
	Description=PPP connection for %I
	Documentation=man:pppd(8)
	StartLimitIntervalSec=0

	Before=network.target
	Wants=network.target
	After=network-pre.target

	[Service]

rany2 / 01-maxwlanmtu

Last active January 9, 2024 14:25

OpenWRT workaround for inability to set MTU for WLAN interfaces

	#!/bin/sh

	# Ensure that WLAN interface MTU is set to the maximum
	# permitted value to prevent issues when attached to a
	# bridge with jumbo MTU.
	#
	# Do not attempt to use standard UCI configuration
	# in /etc/config/network and set the MTU with a config
	# of type interface. It does not work consistently
	# and in the best case works for the first WLAN

rany2 / get_x86_bootloader.sh

Created April 10, 2023 14:02

Get bootloader type and (if available) the bootloader version. Only works on x86/x86-64 Linux.

	#!/bin/bash
	set -euf -o pipefail

	# Copyright (C) rany <[email protected]>. All rights reserved.
	#
	# This software is licensed to you under the GNU General Public License,
	# version 2 (GPLv2). There is NO WARRANTY for this software, express or
	# implied, including the implied warranties of MERCHANTABILITY or FITNESS
	# FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
	# along with this software; if not, see

rany2 / eskom.py

Last active January 4, 2023 07:44

Eskom API

	#!/usr/bin/env python3

	import urllib.parse
	from enum import Enum
	from typing import List

	import requests

	BASE_URL = "https://loadshedding.eskom.co.za/LoadShedding/"
	USER_AGENT = "ZA_LOADSHEDDING/1.0 (github.com/rany2)"