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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.

Ozeki PHP Plugin

Rumi, June 6, 2014

<?php $gatewayURL = 'http://192.168.1.100:9333/ozeki?'; $request = 'login=sendmail'; $request .= '&password=mypassword'; $request .= '&action=sendMessage'; $request .= '&messageType=SMS:TEXT'; $request .= '&recepient='.urlencode('01711673093'); $request .= '&messageData='.urlencode("PHP Hello World"); $url = $gatewayURL . $request; //Open the URL to send the message file($url); ?>

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DKIM installation on Debian

Rumi, June 6, 2014

  This is a quick and fairly painless way of setting up DKIM, on a postfix server. DomainKeys Identified Mail (DKIM) is a method for associating a domain name to an email message, thereby allowing a person, role, or organization to claim some responsibility for the message and helps verify…

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Webmin installation on openfiler

Rumi, June 6, 2014

  Download the latest Webmin RPM to openfiler from this page: (You want "RPM suitable for Redhat, Fedora, CentOS, SuSE or Mandrake Linux") http://www.webmin.com/download.html Copy the link from the webpage to download the correct RPM file and download it on Openfiler using the following command. If you are downloading a…

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Convert disk GPT to MBR for Openfiler troubleshoot

Rumi, June 6, 2014

  On a Linux console, as root, run (replace /dev/sda with the identifier of your hard drive): parted /dev/sda parted> mklabel msdos parted> quit

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Send HTTP requests using cURL

Rumi, June 6, 2014

  Reading a URL via GET: curl http://example.com/ Defining any HTTP method (like POST or PUT): curl http://example.com/users/1 -XPUT Sending data with a request: curl http://example.com/users -d"first_name=Bruce&last_name=Wayne" If you use -d and do not set an HTTP request method it automatically defaults to POST. Performing basic authentication: curl http://user:password@example.com/users/1 All together…

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VBoxHeadless Running Virtual Machines With VirtualBox On A Headless CentOS 6x Server

Rumi, June 6, 2014

  Preliminary Note I have tested this on a CentOS 6.2 server (host system) with the IP address 192.168.0.100 where I’m logged in as a normal user (user name vbox in this example) instead of as root. If you only have a root account, but no normal user account, create…

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Yum Cache Clear command

Rumi, June 6, 2014

When a package is downloaded, installed and is removed there is a chance that the package may still be saved/stored in the yum’s cache. So to clean all the cached packages from the enabled repository cache directory, login as root and execute the following: yum clean packages To purge the…

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Change Windows RDP default listening port 3389

Rumi, June 6, 2014

Start Registry Editor. Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\TerminalServer\WinStations\RDP-Tcp\PortNumber On the Edit menu, click Modify, and then click Decimal. Type the new port number, and then click OK. Quit Registry Editor. Restart the computer. Note When you try to connect to this computer by using the Remote…

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Set date/time permanently on Virtualbox Guest

Rumi, June 6, 2014October 5, 2019

First you need to ssh to the server and be root and then do these step by step: 1. Set the date/time as following format date -s “2 OCT 2013 18:00:00″ 2. Set the proper Timezone for your area- # cd /etc # ln -sf /usr/share/zoneinfo/EST localtime 3. Set it…

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LAMP on CentOS

Rumi, June 6, 2014September 8, 2016

Installing MySQL 5 To install MySQL, we do this: yum -y install mysql mysql-server Then we create the system startup links for MySQL (so that MySQL starts automatically whenever the system boots) and start the MySQL server: chkconfig –levels 235 mysqld on /etc/init.d/mysqld start Set passwords for the MySQL root…

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Myself…

Hi, I am Hasan T. Emdad Rumi, an IT Project Manager & Consultant, Virtualization & Cloud Computing and Public Key Infrastructure Savvy from Dhaka, Bangladesh. I have prior experience in managing numerous local and international projects in the area of Telco VAS & NMC, National Data Center & Naitonal PKI Root and Enterprise 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) and at Oracle Corporation as Principal Technology Solution (Cloud) Architect.

And currently being employed at Huawei Technologies (Bangladesh) Ltd. as Advanced Business Development Lead (Cloud) in the south asia region.

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 icinga iptables Jitsi LAMP Letsencrypt Linux Munin MySQL Nagios Nextcloud NFS nginx pfsense php Postfix Proxmox RDP Softether SSH SSL Ubuntu Ubuntu 16 Ubuntu 18 Ubuntu 20 Varnish virtualbox virtualmin vpn Webmin Windows 10 XCP-NG zimbra

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