Importing Legacy Windows XP or Windows 2003 from Virtualbox to Proxmox Rumi, December 28, 2023 Problem Statement: I have an old Windows 2003 32 bit server running in Virtualbox. Since Virtualbox is under decommissioned, it is intended to be migrated to Proxmox VE Before Migration or export of VM from Virtualbox, following .reg file is required to be installed on Windows 2003 server to avoid… Continue Reading
Restore ZFS Pool and storage data Rumi, November 23, 2023 If the disks are recognized from your OS the command: zpool import should be enough to get the pool imported and visible in your current OS. You can check the status with command zpool status You can try to import it explicitly by name zpool import ZStore P.S. Do not… Continue Reading
Create a RAID array using with mdadm Rumi, November 23, 2023 mdadm (multiple devices admin) is an extremely useful tool for running RAID systems. It’s is a tool for creating, managing, and monitoring RAID devices using the md driver. It can be used as a replacement for the raidtools, or as a supplement. You can use whole disks (/dev/sdb, /dev/sdc) or individual partitions… Continue Reading
Install Discourse on Ubuntu 22.04 Rumi, November 22, 2023 Prerequisites A server with Ubuntu 22.04 as OS Valid domain pointed to the servers IP address User privileges: root or non-root user with sudo privileges Step 1. Update the System Update the packages to their latest versions available after a fresh install of Ubuntu 22.04 sudo apt-get update -y &&… Continue Reading
The lousy Brainer Drainer Rumi, November 22, 2023February 26, 2024 Hi, I am Hasan T. Emdad Rumi, an IT Project Manager & Consultant, Virtualization & Cloud Savvyfrom Dhaka, Bangladesh. I have prior experience in managing numerous local and international projects in the area of Telco VAS & NMC, National Data Center & PKI Naitonal Root and CA Infrastructure. Also engaged… Continue Reading
Troubleshoot email on a new Discourse install Rumi, November 22, 2023 If you’ve just installed discourse, but email doesn’t seem to work. Unfortunately this means you can’t log in as an admin to finalize the install. Try the doctor cd /var/discourse ./discourse-doctor It will check several ways that your mail configuration might be broken, and offer advice. Try that first. Did… Continue Reading
Install Nginx Proxy Manager on CentOS 7 Rumi, November 22, 2023 Nginx Proxy Manager is built on docker container. So, we need to deploy Docker first. Update Docker Package Database. In a terminal window, type: sudo yum check-update Allow the operation to complete. Remove if any docker is preinstalled with your OS- sudo yum remove docker docker-client docker-client-latest docker-common docker-latest docker-latest-logrotate… Continue Reading
SSH to use two-factor authentication using Google Authenticator on Debian or Ubuntu Server Rumi, November 19, 2023 A computer running Ubuntu 16.04 LTS or above A phone running Android or iOS A configured SSH connection You should understand the danger of stolen passwords. You don’t need to know what two-factor authentication is and how it works. 🙂 Installing and configuring required packages Start a terminal session and… Continue Reading
Copy an Instance from 1 region to another (Or Between tenancies) Rumi, November 19, 2023 Method 1 — Create Custom Image and Export to Object Storage Go to your Existing VM and Press Create custom Image: After the Image is created, you need to export it to Object Storage bucket: Now you have 2 Options : Export it to a bucket in the same region… Continue Reading
Deploy a Laravel app on Oracle Cloud with database Rumi, November 17, 2023 Assumptions: Ubuntu 22 PHP 7.3 Laravel 5.5 Apache 2 PHP-Redis Download the public and private keys on your local machine. You have created your VM instance! Create an always free Autonomous Database [if your application uses a database] Select your desired database After creating your database, go to “DB Connection”… Continue Reading