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.

CRON scripts to running in seconds interval

Rumi,

  This problem can be solved with simple bash script. For example, if you need to run a PHP script on every 20 seconds, you can create a bash script like this: #!/bin/bash #Name:myscript.sh #Desc:Run script in every 20 seconds while (sleep 20 && php /path_to_your_script/your_script_name.php) & do wait $!…

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TimeZone adjust in Linux

Rumi,

  For Redhat/CentOS/Fedora/SL distribution Type the redhat-config-date command at the command line to start the time and date properties tool, run: # redhat-config-date OR type setup and select time zone configuration. This tool is recommended for remote ssh text based sessions. # setup Select timezone configuration. Just follow on screen…

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Update PHP 5.1 to PHP 5.4 in CentOS

Rumi,

  Update Yum repos For 32 bit CentOS- wget http://dl.fedoraproject.org/pub/epel/5/i386/epel-release-5-4.noarch.rpm wget http://rpms.famillecollet.com/enterprise/remi-release-5.rpm For 64 bit CentOS- wget http://dl.fedoraproject.org/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm wget http://rpms.famillecollet.com/enterprise/remi-release-5.rpm rpm -Uvh remi-release-5*.rpm epel-release-5*.rpm Now it’s time to update our PHP to the latest one yum –enablerepo=remi update php php-* /etc/init.d/httpd restart And that’s it! You can check your installed PHP version executing: php…

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How to reset MySQL Root Password in Linux

Rumi,

  First, Let’s stop the mysql service, In Red Hat’s family (Red Hat Enterprise, Fedora, CentOS) the Mysql Daemon is called ‘mysqld‘, but in Debianlike Ubuntu based distributions and OpenSuse its called ‘mysql‘. I’ll be using the debian based naming sudo service mysql stop OR sudo /etc/init.d/mysql stop Now, we’ll…

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Ozeki PHP Plugin

Rumi,

<?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,

  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,

  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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