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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.

MikroTik Router SNMP Configuration

Rumi, April 18, 2023

First, you need to access the console of your MikroTik router. On the prompt screen, enter the administrative login information. Factory default access information: Username: admin Password: (No password) After a successful login, the console command-line will be displayed. Use the following command to enable the SNMP service on the…

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Creating a XEN guest and tidbids in CLI

Rumi, April 7, 2023

INSTALLING A GUEST DOMAIN (“DOMU”) Now that the Xen hypervisor/Dom0 virtual machine is configured and up and running, it’s time to configure and create a DomU. Just like we did in the Debian 9 tutorial, we will now install and use the xen-tools package to automate the steps involved in creating a…

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Broadcast Private Movie Channel Using OBS-Nginx RTMP

Rumi, April 7, 2023

I just liked the simple process over here, althourhg the view title is a bit confusing, but I believe this is what the audthor wanted to express-

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Cloudmin-GPL XEN on Debian 10

Rumi, April 7, 2023April 7, 2023

This article is inspired and prepared on the forked Cloudmin Xen script updated for Debian 10. However, the following procedures to be followed as precuationary before executing the updated script, which is available in this post in below section. PHASE-I Prepare Environment for XEN INSTALLING THE XEN HYPERVISOR AND HOST/CONTROL…

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Reset Webmin Password

Rumi, April 4, 2023

Open a terminal or command prompt on the server where Webmin is installed. Navigate to the Webmin installation directory. The default location is /usr/local/webmin cd /usr/local/webmin To change password run command:on RedHat distributions (i.e. Fedora, CentOS, Gentoo, etc.): /usr/libexec/webmin/changepass.pl /etc/webmin admin newPassword on Debian distributions (i.e. Debian, Ubunto, etc.): /usr/share/webmin/changepass.pl…

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Disable Last Login Message on Linux using hushlogin

Rumi, March 28, 2023

Single user To permanently suppress a Last Login message as per on user basis, create a hidden .hushlogin file inside a user’s home directory. For example to suppress a Last Login message for the linuxconfig user, we would run this command: $ sudo touch /home/linuxconfig/.hushlogin Similarly to suppress a Last Login message for the root user,…

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Create a local ISO SR at XCP-NG

Rumi, March 22, 2023

From the CLI: Create a directory on the local filesystem to storage your ISOs Copy/move ISOs to this new location Create the ISO SR using xe sr-create You can add or update ISOs later by placing them into the directory you created in step 1 Rescan the SR if you…

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Add User to Sudoers on CentOS

Rumi, March 21, 2023March 21, 2023

You can do this in 2 methods- however, IMHO method-2 usually works great for me. Method-1 Step 1: Verify the Wheel Group is Enabled Your CentOS 7 installation may or may not have the wheel group enabled. Open the configuration file by entering the command: visudo Scroll through the configuration…

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Install Xen Orchestra on Ubuntu 20

Rumi, March 21, 2023

Prework apt-get update && apt-get dist-upgrade Node.js For this particular installation node 16 is needed to be installed. Lets install- Add NodeSource PPA This command will add PPA sources required to be able to install NodeJS 16 on your Ubuntu 20.04 installation: curl -s https://deb.nodesource.com/setup_16.x | sudo bash Install NodeJS…

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Flushing IPTables rule and allow all traffic for Debian or Ubuntu

Rumi, March 20, 2023

Flushing all iptables chain rules shell script #!/bin/sh echo “Stopping IPv4 firewall and allowing everyone…” ipt=”/sbin/iptables” ## Failsafe – die if /sbin/iptables not found [ ! -x “$ipt” ] && { echo “$0: \”${ipt}\” command not found.”; exit 1; } $ipt -P INPUT ACCEPT $ipt -P FORWARD ACCEPT $ipt -P…

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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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Apache Bind Cacti CentOS CentOS 6 CentOS 7 Debain Debian Debian 10 Debian 11 Debian 12 DKIM Docker endian icinga iptables Jitsi LAMP Letsencrypt Linux Munin MySQL Nagios Nextcloud NFS nginx pfsense php Postfix powerdns Proxmox RDP SSH SSL Ubuntu Ubuntu 16 Ubuntu 18 Ubuntu 20 Varnish virtualbox vpn Webmin Windows 10 XCP-NG zimbra

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