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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.

Virtual USB and VBoxusergroup Troubleshoot on Linux Host

Rumi, December 16, 2011December 16, 2011

I faced USB issues on both Virtualbox installation on both Debian and CentOS linux host. I really didn't notice the urgency of vboxusers group in running VBox in headless mode! Anyway, following snippets of texts really did help me out solving my USB problems. All credits goes to the VBox…

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Centreon – Preconfigured nagios

Rumi, December 15, 2011December 15, 2011

Centreon is a network, system, applicative supervision and monitoring tool, it is based upon the most effective Open Source monitoring engine : Nagios. Centreon can be used as a Nagios GUI which gather a lots of new features. Learn more: http://www.centreon.com

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CentOS – Enable or Disable SELinux in command interface

Rumi, December 14, 2011

From the command line, you can edit the /etc/sysconfig/selinux file. This file is a symlink to /etc/selinux/config. The configuration file is self-explanatory. Changing the value of SELINUX or SELINUXTYPE changes the state of SELinux and the name of the policy to be used the next time the system boots. [root@host2a…

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VBoxHeadless – Running Virtual Machines With VirtualBox 4.0 On A Headless CentOS 5.6 Server

Rumi, December 14, 2011December 14, 2011

This guide explains how you can run virtual machines with VirtualBox 4.0 on a headless CentOS 5.6 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called VBoxHeadless that allows you to…

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Icinga Sample Host cfg file to monitor Windows Server

Rumi, December 8, 2011December 8, 2011

define host{ use             windows-server  ; Inherit default values from a template host_name blk-smsgw ; The name we're giving to this host alias           Windows Server       ; A longer name associated with the host address        10.10.10.1    ; IP address of the host         } definehostgroup{ alias           Windows Servers ; Long name…

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Monitor Windows Service using Nagios (Icinga)

Rumi, December 8, 2011

On the Nagios Server edit the file /usr/local/nagios/etc/objects/windows.cfg: # vi /usr/local/nagios/etc/objects/windows.cfg Add the following to create a new service definition to monitor the process state of WinVNC.exe (VNC Server): # Create a service for monitoring the WinVNC.exe process # Change the host_name to match the name of the host you…

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UN Guideline on How to Write your Resume

Rumi, December 7, 2011

  Please make sure to provide ALL the information requested in these guidelines. INCOMPLETE APPLICATIONS MAY NOT BE ACCEPTED. Please also refer to the additional note indicated at the bottom of these guidelines. A. Cover letter Please elaborate, in a concise statement NOT EXCEEDING ONE PAGE why you consider yourself…

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Postfix Configuration on Centos 5.x

Rumi, December 5, 2011

Let's install Postfix and Dovecot (Dovecot will be our POP3/IMAP server): yum install cyrus-sasl cyrus-sasl-devel cyrus-sasl-gssapi cyrus-sasl-md5 cyrus-sasl-plain postfix dovecot Next we configure SMTP-AUTH and TLS: postconf -e 'smtpd_sasl_local_domain =' postconf -e 'smtpd_sasl_auth_enable = yes' postconf -e 'smtpd_sasl_security_options = noanonymous' postconf -e 'broken_sasl_auth_clients = yes' postconf -e 'smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination'…

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Install Virtualbox Extension pack in command line

Rumi, December 5, 2011December 14, 2011

– Open a command prompt as Administrator : Right-click on “Accessories\Command Prompt” and choose : Run As Administrator. – CD C:\Program Files\Oracle\VirtualBox – Make sure the ExtensionPack is located in the same directory – C:\Program Files\Oracle\VirtualBox>VBoxManage.exe extpack install Oracle_VM_Virt ualBox_Extension_Pack-4.0.4-70112.vbox-extpack C:\Program Files\Oracle\VirtualBox>VBoxManage.exe extpack install Oracle_VM_VirtualBox_Extension_Pack-4.0.4-70112.vbox-extpack 0%…10%…20%…30%…40%…50%…60%…70%…80%…90%…100% Successfully installed “Oracle VM…

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অরাজকতা ও দুর্নীতির কবলে টেলিযোগাযোগ

Rumi, December 2, 2011

বাংলাদেশ টেলিযোগাযোগ কোম্পানি লিমিটেড বিটিসিএলসহ সংশ্লিষ্ট গোটা খাতেই চলছে নজিরবিহীন অরাজকতা ও দুর্নীতি। ক্ষমতাসীন দলের প্রভাবশালী ব্যক্তি ও টেলিযোগাযোগ মন্ত্রণালয়ের কিছু অসাধু কর্মকর্তার কারণে এই খাত থেকে লোপাট হয়ে যাচ্ছে শত শত কোটি টাকা। বিটিসিএলের আন্তর্জাতিক কল রেকর্ড মুছে দিয়ে চলছে হরিলুট। অপ্রতিরোধ্য অবৈধ ভিওআইপির মাধ্যমে লুট হচ্ছে সরকারের রাজস্ব…

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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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