DEV Community: Mohammad Zakery

Zakops: Making DevOps Learning Simple and Practical

Mohammad Zakery — Mon, 01 Sep 2025 20:16:28 +0000

Zakops is a growing DevOps community that helps developers and engineers learn Docker, Kubernetes, CI/CD, and cloud automation — in a simple and practical way.

In today’s fast–paced software world, DevOps is no longer optional. It’s a core practice that enables faster delivery, better collaboration, and scalable infrastructure. But for many developers, getting started with tools like Docker, Kubernetes, and CI/CD pipelines can feel overwhelming.

That’s why Zakops was created.

Zakops is a community dedicated to making DevOps knowledge simple, accessible, and hands–on. Through Telegram and zakops.com , developers and engineers gain access to real–world tutorials and guides that can be applied immediately in projects.

What You’ll Find at Zakops

Practical Docker and Kubernetes tutorials for real deployments.
CI/CD guides to automate your pipelines.
Cloud and infrastructure scaling strategies explained step by step.
A community-driven approach where developers can learn together.

Why Join?

Instead of overwhelming theory, Zakops focuses on simplicity and clarity. The tutorials are built for developers who want to get things done — fast.

Get Started

If you’re ready to level up your DevOps journey, join the community today

👉 Telegram Channel : @Zakops
👉 Website : Zakops.com

💡 At Zakops, we believe that learning DevOps doesn’t have to be complicated.
Let’s simplify DevOps together

Telegram bot for streaming movies/music in channels/groups

Mohammad Zakery — Mon, 25 Aug 2025 08:42:04 +0000

Telegram-Streamer

📺 Simple Video/Music Streamer with FFmpeg & Flask

This image provides a lightweight Flask web UI to start RTMP streaming using the latest FFmpeg.
It allows you to stream any video or audio file (mp4, mp3, etc.) directly to your RTMP server (e.g., Telegram, YouTube, Twitch).

✨ Features:

FFmpeg (built from source / latest)
Python (slim-bookworm base)
Flask-based minimal web interface
Supports both video and audio URLs
Easy to run on Render, Docker, or any container platform

🚀 Usage:

Run the container:

docker run -p 8080:8080 zakops/telegram-streamer:<version>

For more information, refer to Github Link

Enable Wake On LAN on Debian

Mohammad Zakery — Mon, 06 Mar 2023 15:18:08 +0000

Wake On Lan on Debian

1.Install ethtool :



sudo apt install ethtool

2.Checking the Interface :



ip a

3.Select the interface you want to use. For Example :



enp3s0

4.Turn wake on lan On Temporarily :



sudo ethtool --change enp3s0 wol g

5.Check the WOL status of the interface with the following command :



sudo ethtool enp3s0

6.find the bellow section :



Wake-on: g

Making wake on lan Permanent

7.find ethtool directory :



which ethtool

in my os : /usr/sbin/ethtool

8.Create wol.service in /etc/systemd/system/ with the following content.



[Unit]
Description=Enable Wake On Lan

[Service]
Type=oneshot
ExecStart = /usr/sbin/ethtool --change enp3s0 wol g

[Install]
WantedBy=basic.target

9.Enable The Service :



sudo systemctl daemon-reload
sudo systemctl enable wol.service

Cloudflare DDNS

Mohammad Zakery — Tue, 28 Feb 2023 05:39:28 +0000

Cloudflare DDNS

DDNS Cloudflare BASH script is a simple bash script that allows you to easily update your Cloudflare's DNS records dynamically.

How to use this Script:

1.Clone or download all files from GitHub Page
2.Login to your Clodflare account.
3.Copy your generated Zone ID like bellow and place it on the specified section in script.

4.Click on Get your API token.

5.Click on View like bellow.

6.Copy Your API Key and place it on the specified section in script.

7.Click on Create Token.

8.Click on Use template like bellow.

9.Select the bellow options from drop down menu.

10.Copy generated code and place it on the specified section in script.
11.Write your domain in the specified section in script.
12.Finally run the CloudflareDDNS.sh

Docker Compose For Joomla

Mohammad Zakery — Sun, 19 Feb 2023 14:37:58 +0000

Joomla

Configure docker-compose.yml



version: '3.5'

services:
  joomla:
    image: joomla
    container_name: joomlaweb
    restart: unless-stopped
    links:
      - joomlamysql
    ports:
      - 80:80
    environment:
      JOOMLA_DB_HOST: joomlamysql
      JOOMLA_DB_NAME: joomladb
      JOOMLA_DB_USER: joomlauser
      JOOMLA_DB_PASSWORD: 147258369

    networks:
      - joomla

  joomlamysql:
    image: mysql:latest
    container_name: joomlamysql
    volumes:
        - ./mysql/mysql_data:/var/lib/mysql
    restart: unless-stopped
    environment:
      MYSQL_ROOT_PASSWORD: RO0tP@sswd
      MYSQL_DATABASE: joomladb
      MYSQL_USER: joomlauser
      MYSQL_PASSWORD: 147258369

    networks:
      - joomla

networks:
  joomla:
    name: joomla-network
    driver: bridge

1.Run the command below :



docker-compose up -d

2.Direct your browser to http://localhost

Note that port 80 must be open and not in use

Docker compose For Wordpress

Mohammad Zakery — Fri, 03 Feb 2023 09:45:04 +0000

Wordpress

How to use this image :

1.Clone or download all files from GitHub Page
2.Download Wordpress from Wordpress Downloads
3.Extract Wordpress.zip to the following directory:

/var/www/html/wp

4.Run the command below :

docker-compose up -d

5.Open up your web browser, and proceed to the following address to start the installation ( Remember that my configuration will start the server at port 80, in case you want to change the hostname/port, proceed to the next section to customize this image )

127.0.0.1

6.If see 404 ERROR :

chmod 777 -R var/

7.In the Database settings, adjust the following :

Database Name = wordpress
Username = wp
Password = 147258369
Database Host = mysql
Table Prefix = wp_

Customize this image :

Use domain with SSL and change Nginx configurations

in the files downloaded from this GitHub Page
1.In this directory, uncomment the lines in the wp.conf and replace your domain with example.com

/nginx/conf.d/wp.conf

2.Following the guides from Letsencrypt (certbot), copy the privkey.pem and fullchain.pem to the following directory. (Remember that from the previous step, the cert files names should correspond with these config file) :

/nginx/conf.d/certs

3.In case you want to configure your Nginx, you can find the config file in the following directory :

/nginx/nginx.conf

Change mysql configurations :

1.Customize your configs in the following file :

/mysql/my.cnf

2.Change the mysql environment variables in the docker-compose.yml file :

environment:
        MYSQL_ROOT_PASSWORD: 147258369
        MYSQL_DATABASE: wordpress
        MYSQL_USER: wp
        MYSQL_PASSWORD: 147258369

Change php-fpm configurations :

Add your customized configurations in these files :

/php-fpm/php.ini-development
/php-fpm/php.ini-production
/php-fpm/www.conf
/php-fpm/php.ini

Exposing external port :

Edit docker-compose.yml to change the exposed ports :

ports:
     - 80:80
     - 443:443

Docker compose For Corteza

Mohammad Zakery — Mon, 30 Jan 2023 14:18:11 +0000

Configure docker-compose.yml

version: '3.5'

services:
  server:
    image: cortezaproject/corteza:${VERSION}
    restart: always
    env_file: [ .env ]
    depends_on: [ db ]
    ports: [ "127.0.0.1:18080:80" ]

  db:

    image: postgres:13
    restart: always
    healthcheck: { test: ["CMD-SHELL", "pg_isready -U corteza"], interval: 10s, timeout: 5s, retries: 5 }
    volumes:
      - "dbdata:/var/lib/postgresql/data"
    environment:
      POSTGRES_USER:     corteza
      POSTGRES_PASSWORD: corteza

Create .env next to docker-compose.yml

Configure .env

DOMAIN=localhost:18080
VERSION=2022.9

DB_DSN=postgres://corteza:corteza@db:5432/corteza?sslmode=disable

HTTP_WEBAPP_ENABLED=true

ACTIONLOG_ENABLED=false

Direct your browser to http://localhost:18080

Expose Corteza to your internal network and the world

If you want to use Corteza in production and with other users,Change the following code in docker-compose.yml as below :

ports: [ "0.0.0.0:18080:80" ]

And Change the following code in .env as below :

DOMAIN=YOUR_PUBLIC_IP:18080

Exposing external port

Edit .env to change the exposed port

DOMAIN=YOUR_PUBLIC or LOCAL_IP:8585

Direct your browser to http://localhost:8585

How to Install Cockpit on CentOS 7

Mohammad Zakery — Fri, 27 Jan 2023 16:15:50 +0000

Cockpit is available in CentOS 7 and later :

1.Install cockpit :

sudo yum install cockpit

2.Enable cockpit :

sudo systemctl enable --now cockpit

3.Open up your web browser and login with root :

https://IP_ADDRESS_OF_MACHINE:9090

4.it did not work? you can open up the firewall with the following commands :
‍‍‍

sudo firewall-cmd --permanent --zone=public --add-service=cockpit
sudo firewall-cmd --reload

5.Use the following code to connect to virtual machines :

sudo apt install cockpit-machines

Moodle App Docker Images

Mohammad Zakery — Fri, 27 Jan 2023 11:43:46 +0000

Moodle

How to use this image:

1.Download the image from dockerhub

docker pull zakery1369/moodle:[tag]

2.Clone or download all files from GitHub Page
3.Download moodle.tar.gz from Moodle Downloads
4.Extract moodle-xx.tar.gz to the following directory:

/var/www/html/moodle

5.Run the command below :

docker-compose up -d

6.Open up your web browser, and proceed to the following address to start the installation ( Remember that my configuration will start the server at port 80, in case you want to change the hostname/port, proceed to the next section to customize this image )

127.0.0.1