In this post, I will introduce how to set up a MongoDB database server with docker. The post includes the following sections * Setup a simple MongoDB database server (easy) * Setup a secured MongoDB database server with a password * Secure a currently running MongoDB database server with a password * Periodically backup

The following tutorial requires the domain you want to set up bought from sakura. Otherwise, you have to transfer that domain to your sakura account [https://help.sakura.ad.jp/hc/ja/articles/206206431?_ga=2.17384377.1243901636.1565256190-578933206.1565256190] . In addition, you need to buy a sakura mailbox server,

Google charges $6 per user per month [https://gsuite.google.com/intl/en/pricing.html], AWS charges by the number of emails sent/received [https://aws.amazon.com/ses/pricing/]. Why not go with FREE (within some limitations)? If you buy a domain from a domain provider which supports email

English version here [https://transang.me/setup-nginx-server-with-ssl/] Gần đây do cá nhân cần quản lý nhiều tên miền trên nhiều máy chủ nên dần cảm thấy việc cài đặt từng máy chủ một khá là mất công. Nhất là khi khởi động lại, chuyển nhà, nâng cấp, hoặc cập nhật

Recently, due to the need for multiple servers/domain management personally, I feel waste of time to config the server one by one. Especially, when server restart, migration, upgrade, SSL certificate update. Thus, I have made a Github project [https://github.com/tranvansang/ssl] to accomplish this task automatically. This

In this post, I will show how to configure docker to send logs from containers to AWS cloudwatch log. At the end of the tutorial, there will be several useful commands for debugging and testing. Environment: * OS Ubuntu 18.04. ubuntu@ip-10-0-5-139:~$ lsb_release -a No LSB modules are available.

In this post, I will show the full command line to test the SMTP/IMAP/POP3 server from the local command line. SMTP server There are 2 types of configuration, one requires STARTTLS and one does not. A typical configuration has the following fields. Replace them with your configuration appropriately.

dh.pem is a file containing a very big prime number (1066~2066 bit), generated randomly to be used with an SSL certificate. The following command can be used to generate a random dh file. Dùng câu lệnh sau để tạo file random dhparams.pem openssl dhparam -out dh.pem

Bài viết này giới thiệu cách cấu hình SSL certificates miễn phí với letsencrypt. Bao gồm: tạo mới, gia hạn tự động, xóa cấu hình. * Để tạo mới SSL certificate docker run --name certbot -v $HOME/letsencrypt:/etc/letsencrypt -p 80:80 --rm -it certbot/certbot certonly --standalone -d carstay.

This post shows how to use MySQL with docker: install, query, setup PHPMyAdmin, scheduling backup (to AWS S3) * To install (To support PHPMyAdmin server) First, create $HOME/mysql.cnf with following content [mysqld] default-authentication-plugin=mysql_native_password Then start the MySQL server with docker container stop mysql; docker run --name

This post shows how to install Redis server with docker * To start/restart the Redis server docker container stop redis; docker run --name redis -p 6379:6379 -v $HOME/redis:/data --rm -d redis:5.0.3 redis-server --requirepass Replace with your random password string * To query docker exec -it

Bài viết này sẽ giới thiệu cách cấu hình email server trên Linux, cụ thể là trên hệ điều hành Ubuntu, với sendmail. Bài viết bao gồm: cài đặt, cấu hình SSL, cấu hình spf (trên domain), gửi mail test, cấu hình với ghost server (nodemailer), kiểm tra log file,

Refer this post [https://transang.me/ssh-tunnel-in-ubuntu/] for more concise and straightforward explanation. Câu chuyện là hôm rồi nói chuyện với thằng bạn làm CTO. Thằng này rất giỏi, hồi học ĐH hay được hội bạn gọi là 4, bây giờ thành đạt làm CTO rồi nên là ... nhưng mà

You are in front of PC A, e.g. your company firewall PC A is under a network with a firewall that blocks outbound traffic to some websites. You also have a public server (PC B) that is not under any firewall (or the firewall rule is set up by

Add the following lines into the location block of your server's nginx.conf * If you want to serve the content on any site: add_header Access-Control-Allow-Origin *; * If you want to serve the content in some specific sites: add_header Access-Control-Allow-Origin http://my.site.com; add_header Access-Control-Allow-Origin https://my.site.

A sample nginx.conf. events { worker_connections 1024; } http { server { listen 80; location /a { root /www; # root without trailing slash } location /b { root /www/; # root with trailing slash } location /c { alias /www; # alias without trailing slash } location /d { alias /www/; # alias with trailing slash } } } These are requests and file paths

Check if your nginx was built with --with-debug via nginx -V Sample output of nginx -V # nginx -V nginx version: nginx/1.14.0 (Ubuntu) built with OpenSSL 1.1.0g 2 Nov 2017 TLS SNI support enabled configure arguments: --with-cc-opt='-g -O2 -fdebug-prefix-map=/build/nginx-FIJPpj/nginx-1.14.0=. -fstack-protector-strong

It usually happens that the ssh connection suddenly hangs after being left for a while. This is because the ssh server is configured to disconnect the connection if nothing is sent from the client. To make the connection stay alive forever. Use the following methods. * Method 1: in the ssh