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Schakko

Spring Framework

Handling subdomains in multi-tenant applications with Spring Boot and Sprig Web MVC

For ninkik I wanted to provide a subdomain for each of our customers. In addition to that, I wanted to use some other subdomains for static and dynamic content. At that moment I did explicitly not wanted to deal with microservices or multiple applications.When receiving a request, Spring should do Read more…

By Schakko, 2 years2 years ago
CI/CD

How to use a private Maven repository in Artifactory with GitHub Actions

There are situations in which you want to use your own Artifactory server for resolving Maven dependencies. Maybe you have private artifacts or are not yet in the process of migrating from Artifactory to GitHub Packages. What is the goal of this blog post? This blog shows you how you Read more…

By Schakko, 2 years2 years ago
sophos-ap15
Networking

Sophos UTM and AP15: fixing “ll_read: dead socket: Resource temporarily unavailable”

Sophos’ access points are very sensitive with PoE enabled cable connections. If your access point gets disconnected, disable PoE for the given Ethernet port. As a long time reader of my blog, you might know that I am struggling a lot with curious issues like broken L2TP/IPSec VPN connections. This Read more…

By Schakko, 2 years2 years ago
WordPress installation screen
WordPress

How to fix WordPress showing the install screen after installation

When WordPress keeps showing the installation screen after having installed WordPress, you have to check if the database tables of your WordPress installation do exist and are accessible. if you are missing permissions for your database tables. if your database tables are corrupted. Do you have every been presented with Read more…

By Schakko, 2 years2 years ago
Microsoft

How to fix slow opening Microsoft Word documents because of invalid network paths

Opening a Microsoft Word documents can be extremly slow if the document uses a template (.dotx) which is no longer available. A tool like Word Template Corrector can automatically fix the template location of one or multiple Word (.docx) files. The reason why the opening of Word documents is slow Read more…

By Schakko, 2 years1 year ago
Security policy settings
Microsoft

“The user has not been granted the requested logon type at this computer.” when accessing Windows 10 network resources

A few years ago, I stumbled upon the same issue with Windows 7 and already blogged about it. But the error “The user has not been granted the requested logon type at this computer.” can still occur in Windows 10 when accessing network resources like shared folders. The reason for Read more…

By Schakko, 2 years ago
wsl-automount
Linux

Fixing “UNPROTECTED KEY FILE” when using SSH or Ansible inside WSL

Inside a native Linux environment the error UNPROTECTED KEY FILE always means that the permissions of private key file are way too open. The error usually occurs if you are trying to connect with SSH and a private key to a remote host. As Ansible does also use SSH, you Read more…

By Schakko, 2 years2 years ago
vpn
Networking

Windows 10 LT2P/IPSec VPN connection fails silently

A few months ago I had a strange behaviour: Sometimes the L2TP/IPSec connection between my workstation at home and our company VPN silently failed. After clicking on the VPN connection icon in the tasktray it only showed Connecting to… and stopped working after 60 seconds. The VPN connection status did Read more…

By Schakko, 3 years2 years ago
Conditional redirect inside your .htaccess filea
Apache

Conditional redirect from HTTP to HTTPS within Apache .htaccess files

Most of the time you are doing local web development without HTTPS and self-signed certificates but good-ol’ plain HTTP. For security and SEO reasons, HTTPS should be enabled in your production environment all the time. One important requirement for production environments is, that every incoming plain HTTP request has to Read more…

By Schakko, 3 years3 years ago
appleboy/ssh-actions
CI/CD

Deploying with SSH using GitHub Actions

Shortly after I had started the work on nerdhood.de I built a deployment pipeline. The bash-based build script for my Laravel application was easy but triggering the deployment itself turned out to be more difficult than expected. In the end I built something with two AWS Lambda function, SNS, an Read more…

By Schakko, 3 years2 years ago

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About this blog
I am on my mission to release digital products faster. During this mission I stumble upon a lot of challenges in topics regarding software development and DevOps.
This blog is mostly about how I solve these challenges.
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