Magnus K Karlsson

I'm dedicated agile security architect/system architect/developer with specialty of open source framework.

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April 10, 2026

How to Install Docker CE on Fedora 43

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Prerequisite $ cat /etc/os-release ... VERSION="43 (Workstation Edition)" ... Install Docker CE (Community Edition) https://...
April 6, 2026

Writing mTLS/Two-Way SSL/Client Certificate Authentication with Spring Boot 4 and HTTP Service Clients

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Introduction In my previous I setup client certification authentication with RestClient https://magnus-k-karlsson.blogspot.com/2026/04/wri...

Writing mTLS/Two-Way SSL/Client Certificate Authentication with Spring Boot 4 and RestClient

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Introduction In my previous I setup the server side with mLTS https://magnus-k-karlsson.blogspot.com/2026/04/configure-mtlstwo-way-sslclie...

Configure mTLS/Two-Way SSL/Client Certificate Authentication with Spring Boot 4 and Spring Security X.509 Authentication

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Introduction In this blog I'm configure mTLS also called Two-Way SSL or Client Certificate Authentication, with self signed certificat...
August 12, 2024

Mastering Lombok in Spring Boot for Efficient Java Development

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 https://medium.com/@tecnicorabi/mastering-lombok-in-spring-boot-for-efficient-java-development-8f79828c0519
August 5, 2024

Mastering Exception Handling in Spring Boot: A Comprehensive Guide

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https://naveen-metta.medium.com/mastering-exception-handling-in-spring-boot-a-comprehensive-guide-fa3f916d1981
August 3, 2024

Swagger Like a Pro with Spring Boot 3 and Java 17

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 https://medium.com/@berktorun.dev/swagger-like-a-pro-with-spring-boot-3-and-java-17-49eed0ce1d2f
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About Me

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Magnus K Karlsson
Jag arbetar sedan 2016 på Antigo med IT-säkerhet, systemarkitektur och utveckling. Där arbetar jag inom branscher som Myndighet, Finansiell handel och Media. Tidigare har jag arbetat inom Transport och Telekom branscher.

Men det jag brinner för är enkla och lättrörliga arkitekturlösningar. Mitt motto är: när det inte går att förenkla en lösning mera, så är man klar.

Privat så är jag en stolt trebarnspappa, som tycker om aktivt umgänge med vänner och familjer, som segling, golf och vandring i skog och natur.

Credly Magnus Karlsson

CISSP, CCSP
RHCA, RHCE, RHCSA, RHCS{
 - Security: Linux
  - MultiCluster Management
  - OpenShift Automation and Integration
  - OpenShift Application Development
  - OpenShift Administration
  - Containers and Kubernetes}
Spring Certified Professional 2023
SC{EA, WCD, JD, JP}
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