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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.

Postfix 2.2.3 main.cf configured sample file

Rumi, October 28, 2008

queue_directory = /var/spool/postfix command_directory = /usr/sbin daemon_directory = /usr/libexec/postfix mail_owner = postfix myhostname = server.domain.com mydomain = domain.com myorigin = $mydomain inet_interfaces = all mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain, mail. $mydomain, www.$mydomain, ftp.$mydomain local_recipient_maps = unknown_local_recipient_reject_code = 550 mynetworks = 192.168.1.0/24 127.0.0.0/8 #relay_domains = $mydestination #relayhost = $mydomain #relayhost…

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Suexec error when Checking Configuration

Rumi, October 27, 2008October 27, 2008

I am running Virtualmin 3.62 GPL on CentOS 5.2 After the upgrade to Virtualmin 3.62 today, the system ported me to run configuration re-check. When I do it it returns the error below:

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Search for a File in Linux

Rumi, October 27, 2008October 27, 2008

Locating any file on a linux operating system can be done quickly from the command line. Step 1 Index your file system with updatedb. This makes a list of files so that later searches won’t have to look in the entire span of directories each time.

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October Sky (1999)

Rumi, October 24, 2008October 24, 2008

In 1950’s mining town called Coalwood, Homer Hickam is a kid with only one future in sight, to work in the local coalmine like his father. However in October 1957, everything changes when the first artificial satellite, Sputnik goes into orbit. With that event, Homer becomes inspired to learn how…

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Whois Server

Rumi, October 23, 2008

I was looking for a decent whois server which unfortunately couldn’t find any fruitful one. It seems, this is not a readymade tool to distribute- whoever has one, he creates that of his own! Added to my frustration- .BD has no whois server and surprisingly, noticed- few other cTLD has…

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Test php mail function on your server

Rumi, October 18, 2008

A handy code to test PHP mail functions on your server!

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www.zocdoc.com

Rumi, October 18, 2008

At ZocDoc our mission is to make healthcare simple. We begin at the beginning: ZocDoc brings the speed and convenience of the web to finding and booking a doctor or dentist.

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www.minekey.com

Rumi, October 17, 2008

Minekey is the leading discussion network that connects real people through real conversations. People from all over the world hang out on Minekey and discuss stuff that matters to them such as relationships, social and political issues, religion, pop culture and more.

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Activate, Enable and Show Administrator Account in Vista Welcome Screen

Rumi, October 16, 2008October 16, 2008

Windows Vista has built-in administrator account that is disabled and hidden by default, just like Windows XP (see how to show administrator account in XP). But unlike XP where any normal user account designated as Administrators group will have the same privileges as administrator account, in Windows Vista the administrator…

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search.bdinside.net post code

Rumi, October 14, 2008October 14, 2008

Guess the following code can be put into any page and activate the search engine!

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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 squid SSH SSL Ubuntu Ubuntu 16 Ubuntu 18 Ubuntu 20 Varnish virtualbox vpn Webmin XCP-NG zimbra

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