Only use xorg, openbox & firefox Install a minimal Debian 2. Install xorg, openbox. xinit package is smaller than xorg package, but xinit does not have default x-term, if you don’t need x-term or want to use your favorit terminal, install xinit instead of xorg. root@mini:~# apt update && apt…

a. A simple RPC and a server-to-client stream RPC Preparing chapter-00: https://abc101.medium.com/golang-grpc-mac-2fe01939a29d Create `chapter-01/product` such as, ├── LICENSE ├── README.md ├── chapter-00 ⋮ ├── chapter-01 │ └── product │ ├── README.md │ ├── client │ │ └── main.go │…

Hello World Protocol Buffer Preparing Protocol buffer(protobuf) Version 3 > brew update && brew install protobuf Create a go project(ex: lets-learn-golang-grpc) > mkdir lets-learn-golang-grpc > cd lets-learn-golang-grpc llgg > go mod init lets-learn-golang-grpc llgg > go get -u google.golang.org/grpc llgg > go get -u google.golang.org/protobuf/proto llgg > go get -u google.golang.org/grpc/cmd/protoc-gen-go-grpc

There are very two old TV on my company hallway wall. The TVs have displayed 10 years old floor information. My boss wanted to upgrade them. He especially wanted a digital signage system that can be updated or changed easily. My colleagues said TVs have a small PC and the…

How to setup Wordpress with Nginx + GasMask for domain Wordpress and some its plugins use full URLs for their links, so when you try to move the Wordpress site that you developed on your Mac to a live server with its real domain, there are many broken links. There…

Dockerize Sakai LMS and use it with linked MariaDB container Previously, I created a Sakai LMS Vagrant box, because I wanted to make all in one Sakai system include a database server. It works fine and easy to use. After this, I needed to use the Sakai LMS with…

https://app.vagrantup.com/abc101/boxes/sakai/versions/20.1 Sakai is a little bit hard to install and to config, so I create a Sakai v20.1 system in a Vagrant box. System Information Debian 10.6 Buster: https://app.vagrantup.com/abc101/boxes/debian MariaDB v15.1: Debian distribution 10.3.25-mariadb Oracle JDK: 1.8.0_261 Tomcat: 9.0.38 Sakai: v20.1 binary package Installed: Sakai initial database sakai properties location…

Lessons tool According to the Sakai help, “Lessons is a tool that allows an instructor to organize resources, activities, and media on a single page. You can have as many Lessons pages in your site as needed. With Lessons, instructors can organize the course by unit, module, week, topic, or…

Create a syllabus The CLTI of University of Illinois has an excellent resource on how to write a syllabus and the CTI of Cornell University has a useful syllabus template. We will create a sample syllabus followed two university’s resources in the Sakai. Create syllabus contents Login as the instructor of a course…