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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.

Resemblance- Life and Times of a Rebel

Rumi, February 8, 2020
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Install cPanel on CentOS 7

Rumi, February 1, 2020February 1, 2020

cPanel is an online Linux-based web hosting control panel that provides a graphical interface and automation tools designed to simplify the process of hosting a web site or email. Prerequisite: Launch a CentOS 7 instance (Only install cPanel & WHM on a freshly-installed operating system). Access the instance via SSH. Run all the…

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Ubuntu Server 18.04 LVM out of space with improper default partitioning

Rumi, February 1, 2020

Problem Statement: I installed Ubuntu Server 18.04 with the LVM option and left the default partition setup. Now my main drive only has 4GB in a 1TB hard drive. How can I fix this without starting from scratch? Results of df -h : Filesystem Size Used Available Use% Mounted on…

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Activating File Manager in Vesta CP

Rumi, January 31, 2020

If you’ve vesta control panel installed, you may want to activate file manager section of vesta control panel. Open the following file: nano /usr/local/vesta/conf/vesta.conf Add/apend the following line in the editor: FILEMANAGER_KEY=’ILOVEREO’ Save and exit. File manager is now activated.

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Install Mariadb on CentOS 7

Rumi, January 21, 2020

MariaDB is an open-source relational database management system, backward compatible, binary drop-in replacement of MySQL. It is developed by some of the original developers of the MySQL and by many people in the community. With the release of CentOS 7, MySQL was replaced with MariaDB as the default database system….

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Set Time Zone on CentOS 7

Rumi, January 14, 2020

Checking the Current Timezone In CentOS and other modern Linux distros, you can use the timedatectl command to display and set the current system’s time and timezone. timedatectl The output below shows that the system’s timezone is set to UTC: Local time: Wed 2019-02-06 22:43:42 UTC Universal time: Wed 2019-02-06…

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Reinstall VirtualBox on Ubuntu & CentOS

Rumi, January 8, 2020

For Ubuntu To remove virtualbox sudo dpkg –list virtualbox-* sudo apt autoremove –purge virtualbox* dpkg -l virtualbox* | grep ^i Remove all PPAs from sources.list and source.list.d directory mkdir ~/apt-tmp sudo mv /etc/apt/sources.list.d/* ~/apt-tmp Make sure there is nothing except official repositories sources in /etc/sources.list. And update your sources: sudo apt…

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Install ZFS on CentOS 7

Rumi, January 1, 2020

Installing ZFS File System ZFS File System support is not enabled by default on CentOS 7. That is not the only problem. ZFS is not available in the official package repository of CentOS 7. You have to install it from the official package repository of ZFS. I am installing this…

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Disable FirewallD and Enable Iptables on CentOS 7

Rumi, December 28, 2019

Download and Install the Iptables Service To begin your server’s transition, you need to download and install the iptables-service package from the CentOS repositories. Download and install the service files by typing: sudo yum install iptables-services This will download and install the systemd scripts used to manage the iptables service….

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Endian Installation USB Flash Drive

Rumi, December 25, 2019

This lesson describes how to create an installation USB drive for image files provided by Endian and to verify the integrity of the image file. The procedure applies to Windows users with XP, Vista, or Windows7 systems. Requirements You need the following to complete this lesson: .iso or .img image of an Endian…

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Myself…

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 with several Offshore Software Development Team.

Worked with Orascom Telecom-Banglalink, Network Elites as VAS partner, BTRC, BTT (Turkey) , Mango Teleservices Limited and Access to Informaiton (A2I-UNDP)

Currently working at Oracle Corporation as Principal Technology Solution and Cloud Architect.

You can reach me [h.t.emdad at gmail.com] and I will be delighted to exchange my views.

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