Abstract

Sometimes, after my Linux Mint desktop ran for a long time, and had the xorg-server component updated without any reboot, my xfwm4 Windows Manager would crash and be unable to recover. This tutorial will discuss the proper ways to get xfwm4 running properly again. A good solution to a very annoying problem.

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This is my first tutorial of 2024. It is just some notes I have collected relating to my research on Lucene and document indexing. I am posting my notes here so that I can reference them later.

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This short tutorial will show you how to enable the GRUB boot menu for the Linux Mint operating system. By default, the menu is disabled. It takes a few simple tweaks to enable it.

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This post is a review of the new Nikon D300 camera I bought recently. I saw this used camera at a convention. And I bought it without much of hesitation. After about seven days of evaluation, and getting a bunch of additional utilities for this camera, I decided to write this review. I hope you the reader will enjoy this. Thank you for reading.

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This tutorial will discuss the setup and configuration of the applications for creating the ultimate Linux fun machine. That is, the linux system will be capable to run 2d/3d games from 10-20 years ago, and run all the rom emulations when completed.

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In this blog post tutorial, I will show you the reader how to fixing apt update warning on apt-key tool deprecated. I will use an example of moving the repository key for DockBarX into the new repository, hence resolving the warning. Hope this can help others who had same or similar issue after upgrading to Linux Mint 21.

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In this short tutorial, I will explain how to setup XRDP server and using KRDC client to connect to XFCE desktop via remote desktop access. I also documented my evaluation of several tools for this process and which worked for me. I hope this tutorial will be useful for others.

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This post will describe the step I took to get an SSL certificate, then import into my Java key store, and add to my Spring Boot web application. I also will describe the problems I have encountered and how I solve these problems.

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This is my notes on learning Angular application development. There are some very specific details I like to share in this tutorial that will help anyone who just started learning Angular development. This tutorial specific for Linux, Java, and Node.js.

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In this tutorial, I will explain in details on how I have setup my video capturing when I play my PS4 console, as well as the work flow which I used to process the captured video for YouTube upload, so that the videos on YouTube is 1080HD. This is a great tutorial for beginners, don't miss it.

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In this blog post, I like to discuss the resolutions for two Linux desktop related issues, one for the constant popup for unlocking system key ring when launching Chrome browser. The other is the disappearance of the session log out options.

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This is a blog post on how to customize XFCE desktop for Linux Mint 20.2 Uma. I will describe how to customize for transparent panel, customized icon for the start menu, install and configure DockBarX, install and utilize customized icon set and application window themes.

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In this quick tutorial, I will discuss the steps I took to set up my environment for application development using QT5 and Eclipse for C/C++. It will be different from other tutorials.

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This is a very simple tutorial on how to enable CSRF token as an added security measure for Spring Boot application integrating with AngularJS.

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In this short blog post, I will discuss how to hack the Spring Session code so that I can load the configuration values from the configuration file then pass it to the Session Repository creation. This should surpass the limitation of specify constants via annotation.

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I accidentally broke the MySQL database server on my server box, via OS upgrade. This tutorial goes in details on how to trouble shoot the issue and how to resolve it. Hope this is useful for any reader who faces the same issue. Thanks for reading.