Need help configure keycloak with spring boot? This is what you need.
Ubuntu package management cheat sheet
Most used commands (copy directly from the man page) To remove a package To install a package List installed packages Search an installed package To remove mulitple packages using regex wildcard: For example, you want to remove all php related packages on your system, you can do like this: You’ll see messages like these: It… Continue reading Ubuntu package management cheat sheet
Top Useful Copy-Paste Commands For Apache Solr
Create an user To create an user in Solr, first, you need to enable authentication plugin by creating a file named security.json under /var/solr/data. Enter into your Solr environment (docker or command line where you have Solr installed) and execute the following command: This command creates the security.json file at the correct location and also… Continue reading Top Useful Copy-Paste Commands For Apache Solr
Fix 403 Forbidden when creating users in Keycloak
Having 403 Forbidden when creating use via the API with Keycloak? Here is the fix.
Quick Fix For WordPress Local Deployment with Docker
Slow WordPress site? Here is a possible fix!
Using Hibernate In Standalone App (without Spring) using MariaDB
So recently I need to set up a quick project to store the results of my crawler in a database. Previously, I would use JDBC for this job. However, with the recent knowledge of Hibernate, why don’t I give it a go? In this post, I’m going to show you how you can use Hibernate… Continue reading Using Hibernate In Standalone App (without Spring) using MariaDB
Setup OpenProject With Docker & Nginx(with SSL)
So I recently need to manage some internal projects and don’t want to use a subscription from sites like Jira. After considering some open source options, I chose OpenProject since it’s quite simple to use (unlike redmine). Setting up the site is quite simple, especially with docker. Let’s get started. Configure a domain for the… Continue reading Setup OpenProject With Docker & Nginx(with SSL)
Basic setups for working with Kubernetes
When working with kubernetes (maybe in a CKA exam), you work with terminal most of the time. Configuring the environment properly is vital to save you time. Here are things I do first when entering a new environment (Kubernetes Playground | Katacoda, for example). Enable bash completion Honestly, I don’t use this much. However, occasionally,… Continue reading Basic setups for working with Kubernetes
Affinity and Antiaffinity in Kubernetes simplified
Studying Affinity and AntiAffinity can be challenging due to the length of the official documentation. This post is not intended to replace the official docs but to provide a bird’s-eye view of the structure. Some takeaways: affinity is a sub section of pod’s spec The diagram as follow: The full diagram as follow: Please ignore… Continue reading Affinity and Antiaffinity in Kubernetes simplified
Kubernetes labels cheatsheet
Quick commands to work with labels