Due to a misconfiguration I had to shrink a LVM 2 volume group and its physical volume running on a software RAID.
The Google phone number parser & formatter is very helpful to ensure the same number format for user prodived data. To simplify the use in Spring Boot application with Thymeleaf I created a wrapping TagLib/ExpressionFactory.
Initially I thought adding a pair of Samsung 860 EVO as software RAID to my small home server cannot be too hard...
... but they seem to require special kernel settings to work.
The requirements of the Unifi Controller do not allow a direct installation. But with a few manual steps a successful setup is possible!
When I started to use Spring Boot I had some issues with the validation. The @Validated annotation triggered the validation as requested but the validation terminated with an org.springframework.validation.BindException instead of filling the BindingResult object.
Using the PostgreSQL JDBC driver since 42.2.5, the SSL behaviour changed which can cause FileNotFoundExceptions looking for .postgresql/root.crt.
On our default setup, we use Apache as proxy and load balancer for our applications. This usually works, but caused problems with Thumbor.
During learning Spring Boot I noticed attributes to methods in Spring Boot controllers can be automatically injected.
To migrate my blog from Grails to Spring Boot I created an implementation to inject the current blog instance based on an session attribute.
Using the asset pipline in Grails, the production CSS and Javascript files have been including with a digest appendix. This feature is not available in Spring Boot, therefore I started to create a simple Thymeleaf tag library.
I recently bought the 2.9″ ESPaper Plus Kit, WiFi ePaper display from ThingPulse.
To get this device working with my ansible configured SSL webproxy I had to get some additional debugging skills...
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