Author: Rumi

Hasan T. Emdad is an ICT Solution Architect, Project Manager with 12+ year expertise in HW selection, OS expertise on Linux and MS, Supervising Application SW on Pearl, Java, dot Net and PHP with DB experience of MySQL, Postgre, MS and Oracle. He was involved in setting up several Turn Key ICT including Telecom based projects on various government and autonomous bodies in the country. Developed more than 50 applications running with different operators and users. Managing a team of more than 10 in-house engineers and developers and manages an outsourcing team experts and contributors. Very recently engineered Public Key Infrastructure (PKI) on Enterperise and Root Certifying Authority and deployed scalable Cloud Computing and Managed Services. He has post graduated (MBA) from University of Dhaka, Bangladesh.

Install Monitorix on CentOS 7

Rumi,

To install Monitorix on CentOS 7, first, enable the EPEL repository using sudo yum install epel-release, then install the necessary packages with sudo yum install monitorix rrdtool perl-libwww-perl perl-DBI. After installation, enable and start the Monitorix service with sudo systemctl enable –now monitorix and access the dashboard by navigating to…

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Openvpn autostart on debian 12 cli client

Rumi,

To configure an OpenVPN client to autostart on a Debian 12 CLI system using systemd, follow these steps: Place the OpenVPN configuration file. Move your OpenVPN client configuration file (e.g., client.ovpn) to the /etc/openvpn/ directory and rename it with a .conf extension (e.g., client.conf). sudo mv /path/to/your/client.ovpn /etc/openvpn/client.conf Edit the…

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Updated Repository of Debian 10 (Aug 2025)

Rumi,

Standard sources.list for Debian 10 “Buster” Open the sources.list file with a text editor. Using nano is a common choice:bash sudo nano /etc/apt/sources.list Replace any existing lines with the following code. This configuration includes the main, contrib, and non-free components from the archive.bash deb http://archive.debian.org/debian/ buster main contrib non-free deb…

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Deploye Minio using docker

Rumi,

Here’the docker compose file to run: version: ‘3.8’ services: minio: image: minio/minio:RELEASE.2024-06-26T01-06-18Z container_name: minio ports: – “9000:9000” – “9001:9001” volumes: – /mnt/data/minio:/data environment: MINIO_ROOT_USER: minioadmin MINIO_ROOT_PASSWORD: minioadmin command: server /data –console-address “:9001” Src: https://hub.docker.com/r/minio/minio/tags?name=RELEASE.2024-06-26T01-06-18Z

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Install valkey ubuntu 22.04

Rumi,

Install using the Percona repository This method ensures you get the latest version of Valkey and a consistent experience across different systems.  Add the Percona repository. The percona-release tool automatically adds the necessary repository and public keys.sh sudo apt update sudo apt install gnupg2 lsb-release -y wget https://repo.percona.com/apt/percona-release_latest.generic_all.deb sudo apt…

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