Alex Moura asmoura

Debian 13

Caution Upgrading from Debian 12 to Debian 13 on machines with mdadm has intermittently failed for me; symptom is that grub EFI is not up to date and system boots into BIOS. Root cause under investigation; it might not be related to mdadm.

To start, read the official release notes.

If your install fits into "vanilla Debian plus maybe a handful of 3rd-party repos", then this guide for a simple upgrade to Debian 13 "trixie" from Debian 12 "bookworm" can be helpful. 3rd-party repos are handled with a find command.

Note upgrade is only supported from Debian 12 to Debian 13. If you are on Debian 11, upgrade to Debian 12 first. Then once on Debian 12, you can upgrade to Debian 13.

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

How to use this gist

You've got two main options:

After long searching I did not find a good description of how to set up Syncthing that works exclusively via CLI without using a Web browser on the devices.

This is useful for example on a headless Raspberry Pi without proxying web-traffic through SSH or with port-forwarding limitations. In this example we will want to share the default folder from Machine A with Machine B

Machine A	Machine B

1. Environmental information

OS: Ubuntu 20.04.2 LTS (GNU/Linux 5.8.0-59-generic x86_64)
Network: 192.168.xxx.0/24
Ubuntu multipass host machine IP: 192.168.xxx.yyy(static IP)
NIC: enp2s0(bridge host NIC)
Bridge NIC:br0

2. Prerequisites

Inspecting HTTPS (TLS, SSL) certificates from the command line

I needed to inspect an HTTPS site's current certs and wanted to do it from the command line. Here are a couple of commands that I used that worked quite well.

With nmap

nmap -p 443 --script ssl-cert [hostname]

Installing eve-ng on digitalocean

Create an Ubuntu 16.04 Droplet
Set a root passwd

passwd root

	version: '3.2'

	services:
	changedetection:
	image: ghcr.io/dgtlmoon/changedetection.io:latest
	container_name: changedetection
	hostname: changedetection
	volumes:
	- changedetection-data:/datastore
	environment:

	#!/bin/bash

	sudo apt install fontconfig
	cd ~
	wget https://github.com/ryanoasis/nerd-fonts/releases/download/v2.1.0/Meslo.zip
	mkdir -p .local/share/fonts
	unzip Meslo.zip -d .local/share/fonts
	cd .local/share/fonts
	rm Windows
	cd ~

	Country,City,Provider,Host,ID
	Abkhazia,Sukhum,Aquafon GSM,62.182.8.78:8080,9058
	Abkhazia,Sukhum,"Systema, LTD",cyxym.net:8080,5089
	Abkhaziya,Sukhum,A-Mobile,speedtest.a-mobile.biz:8080,9714
	Afghanistan,Herat,Afghan Wireless,hrtspeedtest.afghan-wireless.com:8080,9622
	Afghanistan,Kabul,Afghan Telecom,sp1.afghantelecom.af:8080,11019
	Afghanistan,Kabul,etisalat Afghanistan,speedtest.etisalat.af:8080,21807
	Afghanistan,Kabul,Afghan Wireless,speedtest.afghan-wireless.com:8080,5189
	Afghanistan,Kabul,Afghan Wireless Communication Company,kdzspeedtest.afghan-wireless.com:8080,13501
	Afghanistan,Kabul,Insta Telecom,speedtest.instatelecom.com:8080,12798

	#
	# INPUT - Logstash listens on port 8514 for these logs.
	#

	input {
	udp {
	port => "8514"
	type => "syslog-cisco"
	}