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 Memcache

Rumi, November 11, 2012June 20, 2013

By default PHP loads and saves sessions to disk. Disk storage has a few problems: 1. Slow IO: Reading from disk is one of the most expensive operations an application can perform, aside from reading across a network. 2. Scale: If we add a second server, neither machine will be…

Understanding Linux CPU Load

Rumi, November 10, 2012

You might be familiar with Linux load averages already. Load averages are the three numbers shown with the uptime and top commands – they look like this: load average: 0.09, 0.05, 0.01 Most people have an inkling of what the load averages mean: the three numbers represent averages over progressively…

How to distribute root certificates as exe files

Rumi, November 1, 2012

We start by creating a folder. We call it cer_as_exe and here we put our root certificate that we want to distribute and a small installation script. Our installation script is not that big. @echo off certutil -addstore -f -enterprise -user root %tmp%\root_ca.cer > NUL del /F %tmp%\root_ca.cer > NUL…

Reset root Password for Redhat/CentOS/Sl Linux 5.x

Rumi, November 1, 2012November 1, 2012

You can log in using single-user mode and create a new root password. To enter single-user mode, reboot your computer. If you use the default boot loader, GRUB, you can enter single user mode by performing the following: At the boot loader menu, use the arrow keys to highlight the…

First site with my son being a Father!

Rumi, October 27, 2012October 27, 2012

It was way back 2009- 14th of February- the day we became parents of "Tahmid Hasan Borno"… Picture was taken by Amin on his mobile phone-

Kurbani Eid-2012

Rumi, October 27, 2012

Create Customer Linux Distribution

Rumi, October 27, 2012October 27, 2012

Remastersys We’ve previously covered Remastersys. It’s one of a group of tools that create your ISO files using the filesystem on which it’s being run. You essentially clone your current Debian/Ubuntu install and make it into a live CD. This makes it extremely easy to customize every little thing about…

zimbra admin password reset

Rumi, October 4, 2012

To reset the administrative password: su – zimbra zmprov sp <admin email address> <new password> To get a list of all administrators: su – zimbra zmprov gaaa To access the admin console: https://YOURHOST:7071 Remember that the administrative console (sometimes) requires a full email address as the login name, so you…

XRDP in OpenSuse 11.0/11.2/11.3

Rumi, September 28, 2012

This tutorial is for advanced users who prefer to skate all the detail that attaches to a "new user" Tutorial. The details (wherein lies the devil) are here: Windows Linux RDP Remote Desktop Connections using openSUSE as Client or Server (terminal server) FWIW there's also an 11.1 version there. Tested…

Paparazzi pops Princess Kate’s puppies

Rumi, September 15, 2012

Well, this news interests me for many reasons, and I think this really who they are!!! While enjoying a romantic getaway in France with William, the future Queen of England Kate Middleton decided to get her knockers out, only to be snapped by the awaiting paparazzi. The Duke and…