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 Uptime Kuma on Debian 12

Rumi,

Log into the Linux device. Run the following commands in a terminal window# update software repositories sudo apt update # install available software updates sudo apt upgrade -y # install prerequisites sudo apt install git curl -y # add nodejs software repository curl -sL https://deb.nodesource.com/setup_current.x | sudo bash – #…

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Fixing Proxmox “WARN: missing ‘source /etc/network/interfaces.d/sdn’ directive for SDN support!”

Rumi,

When trying to use SDN feature in Proxmox VE (PVE), we get this error SRV networking – Reload WARN: missing ‘source /etc/network/interfaces.d/sdn’ directive for SDN support! Created symlink /etc/systemd/system/multi-user.target.wants/dnsmasq@testzone.service -> /lib/systemd/system/dnsmasq@.service. TASK WARNINGS: 1 Edit /etc/network/interfaces file to add source /etc/network/interfaces.d/* at the bottom of the file 1 Login to…

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Install HAProxy on Ubuntu 20.04

Rumi,

Prerequisites To follow along with this HAProxy tutorial, you require the following: A set of 3 Ubuntu 20.04 servers configured with private networking. Please refer to the guide on How to Create a Private Network to set up private networking for your Vultr servers. Your servers should be in the…

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Setting Up Docker and Docker Compose on Debian 12

Rumi,

Installing Docker on Debian 12 Before installing Docker, ensure your Debian system is up-to-date with the following command: sudo apt update && sudo apt upgrade -y Once your system is updated, install the necessary packages to allow apt to use a repository over HTTPS: sudo apt install apt-transport-https ca-certificates curl…

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Gitlab SMTP settings with Zimbra Mail

Rumi,

If you would rather send application email via an SMTP server instead of via Sendmail or Postfix, add the following configuration information to /etc/gitlab/gitlab.rb and run gitlab-ctl reconfigure. gitlab_rails[‘smtp_enable’] = true gitlab_rails[‘smtp_address’] = ‘mail.siteage.net’ gitlab_rails[‘smtp_port’] = 465 gitlab_rails[‘smtp_user_name’] = ‘gitlab@domain.com’ gitlab_rails[‘smtp_password’] = ‘password’ gitlab_rails[‘smtp_authentication’] = ‘login’ gitlab_rails[‘smtp_enable_starttls_auto’] = false gitlab_rails[‘gitlab_email_from’]…

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