~/routeralle

archive

2026

  1. 3 min
    Goodbye WordPress: rebuilding the blog

    After several years of running this blog on WordPress, I have now replaced it with a static site built with Eleventy. The two big reasons were hosting costs and to have something that feels more like me.

  2. 5 min
    Taking on a new programming language

    Learning a new programming language is rarely just about learning new syntax. That came clear to me when I recently had to work on a project written in Prel.

    #software-engineering

  3. 3 min
    The network became code

    There used to be a person who knew the network, who was an artisan and for a long time the work around networks genuinely demanded artisanship.

    #network-automation

  4. 1 min
    Choosing the right package manager for node applications

    Like many people who work with node applications, the package manager journey is shaped by whatever solved the biggest pain at the time.

    #software-engineering

2025

  1. 3 min
    Why post-quantum encryption matters

    In the world of cybersecurity, timing is indeed everything. While quantum computers capable of breaking todays encryption schemes may still be years away, the threat they pose is already here.

    #cybersecurity

  2. 1 min
    Cisco DEVCOR 350-901 passed

    Yesterday I passed the Cisco DEVCOR 350-901 exam and fulfilled the DevNet Professional certification. To accompany that I today have the Credly badges to prove it.

  3. 3 min
    Understanding the IEEE Standard 828-2012

    Tonight I had a refreshment on SCM (Software Configuration Management) by reading the IEEE Std 828-2012. Software development often involves multiple contributors, complex systems, and rapidly changing requirements.

    #network-automation #software-engineering

  4. 4 min
    Cohesion and coupling in modular programming

    In modular programming, cohesion and coupling are two fundamental concepts that play an important part in how you will organize your code.

    #software-engineering

2024

  1. 1 min
    Cisco Modeling Labs: Cut to the chase

    For the past years I have been using EVE-NG for most of my labs.

2022

  1. 1 min
    DEVASC: API på webben, del 2

    I den tidigare delen gick vi igenom teori över REST APIer. Nu ska vi använda Python och ett HTTP bibliotek för att prata med ett API på webben.

    #devnet-associate

  2. 1 min
    DEVASC: API på webben, del 1

    Del 1 om REST API:er på webben: begreppen REST och API samt de fyra komponenterna URI, HTTP-metod, header och body.

    #devnet-associate

  3. 2 min
    DEVASC: Jämför olika dataformat (XML, JSON, YAML)

    DEVASC-studieanteckningar som jämför dataformaten XML, JSON och YAML med exempel på samma data i alla tre format.

    #devnet-associate