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 Openmediavault On Debian Squeeze

Rumi, May 16, 2013May 16, 2013

OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. Thanks to the modular design of the framework it can be enhanced via plugins. Prerequisites Debian Squeeze installed on your…

Creating an Ubuntu Router

Rumi, May 16, 2013

Step 1 The setup Here is your Ubuntu serve box with two interfaces, eth0————-Internet eth2————-Internal Note: Your Internet is running using eth0. Step1: Install DHCP Server #apt-get install dhcp3-server

Miracle of Humankind- of the grace of Allah! Survivors after 17 days of building collapse

Rumi, May 10, 2013May 10, 2013

DHAKA, Bangladesh (AP) — A seamstress buried in the wreckage of a collapsed garment factory building for 17 days was rescued Friday, a miraculous moment set against a scene of unimaginable horror, where the death toll shot past 1,000. Reshma survived, in remarkably good shape, by eating dried food that…

Install Openfiler from USB

Rumi, April 24, 2013

The problem we have now is our storage server has no optical drive and we do not have any external optical drive available here in office. Alternatively, we can use USB stick drive and make sure our server are able to boot from USB. Server: DELL PowerEdge R510 OS version:…

Install and Configure Zenoss as Centralized Monitoring System

Rumi, April 24, 2013

Good system administrator should know that they need to do these 3 most important things after delivering a server: secure monitor backup As part of monitoring task, in this tutorial, I am going to show on how to build a centralized monitoring system using Zenoss. Zenoss will need to use…

LSyncd

Rumi, April 24, 2013

I have a situation where there is one critical website under our company server is critically need to be sync to our backup server. Sync means whatever changes happen in master server, it will replicated to slave server. Yes, you can rsync. But, I do not want to schedule the…

High Availability: Configure Piranha for HTTP, HTTPS and MySQL

Rumi, April 24, 2013April 24, 2013

In this post we will complete over the Piranha configuration with HTTP and HTTPS load balancing using direct-routing with firewall marks and MySQL load balancing using direct-routing only. HTTP/HTTPS will need to be accessed by users via virtual public IP 130.44.50.120 while MySQL service will be accessed by web servers…

MySQLDump Shell script for backup

Rumi, April 21, 2013

You can use the following script to dump mysql database and can add to crontab entry for daily backup! #!/bin/sh DAY=`/bin/date +%Y%m%d` TFILE="/backup/MYDB.$DAY.gz" mysqldump -u root -p'MYPASSWORD' MYDB | gzip > $TFILE echo "cache dump completed, dump script by rumi (hasan.emdad@mango.com.bd)"

Daily Shell Backup Script

Rumi, April 19, 2013

#!/bin/sh DAY=`/bin/date +%Y%m%d` TFILE="/var/log/pdns-cache/$(basename $0).$DAY.csv" rec_control dump-cache $TFILE echo "cache dump completed, dump script by rumi (hasan.emdad@mango.com.bd)"

Manage Multiple MySQL Servers using PHPmyAdmin

Rumi, April 19, 2013April 19, 2013

In my environment, I have 5 different MySQL database servers running separately under different geographical location. Since it run standalone and not in cluster mode, I need to have one platform to manage these database servers altogether. PHPmyAdmin is able to do this, with some changes on the configuration files….