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Posts published in “Blog”

Converting a Single WordPress Site to a Mulisite

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Multisite is an interesting feature I have not tried before and currently exploring. I used single site for many years and currently working on a project to set up multi-language site which I believe Multisite will be best fit into this situation since multisite WordPress installation allows me to create and manage a network of multiple websites from a single WordPress dashboard. This lets me easily make changes and keep all of my websites updated…

Nginx Tips and Tricks and Security Configuration

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Here are some basic configuration I used in my lab:
1. Configure Nginx to do load balancer
2. Configure a backup server
3. Hide Nginx Version Information from Hacker
4. Verify Nginx.conf configuration before apply
5. Reload Nginx.conf without restart service
6. Domain Rewrite
7. Disable Obsolete SSL/TLS Protocols
8. Enable HTTPS
9. Add black and white list
10. Limit request method
11. Deny User-Agent
12. Picture anti-theft chain
13. Controlling the number of concurrent connections
14. Buffer overflow attack
15. Header settings
16. Reverse Proxy Basic Configuration

Install Nginx, MariaDB, PHP (LEMP) and WordPress on GCP Free Tier Ubuntu

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I was using LAMP for my WordPress blog for quite a few years. Because of Google Cloud Platform free tier VM's limitation (614M Memory and 1 vCPU), my website always suffering the performance issue if put all of components into one machine. Since last year, I keep trying using a different type of technologies to help. I tried to use Docker, also I separated Mysql db into a different vm. All those changes were working for certain conditions, but not a good enough for GCP f1.micro VM until I find Nginx and MariaDB. This combination has less resource usage and also providing me a possibility to squeeze all components into one GCP free tier f1.micro VM.

This post is to record all steps and commands I used. You will find a YouTube video at the end of post to present the installation process. The whole steps will take 30 minutes to 45 minutes to complete.

Migrate WordPress Site from Ubuntu 16.04 to Ubuntu 18.04 at GCP VM and Cloud DB

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I were using Ubuntu 16.04 as my web server and mysql server for quite a few years. They are all in the same server , either running in a docker container or in a service. For better performance, I decided to separate them to different layer. I am going to use GCP Cloud SQL service as my database layer.

Running WordPress in the Docker of AWS EC2 Instance

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Docker is a technology that allows you to build, run, test, and deploy distributed applications that are based on Linux containers. Docker is already available on many different operating systems, including most modern Linux distributions, like Ubuntu, and even Mac OSX and Windows.If you are using Amazon EC2 already, you can launch an instance and install Docker to get started.

Youtube Video: