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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.

Importing Big mysqldump with Progress Bar PV

Rumi, June 6, 2014

  I am using CentOS 6.4 box, so it requires me to install EPEL repo at the first place: $ rpm -Uhv http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm Install pv using yum: $ yum install -y pv Installation done. Let the importing begin! $ pv /home/user/my_big_dump.sql | mysql -uroot -p For Ubuntu/Debian distribution intall PV…

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OpenVZ on Debain Squeeze

Rumi, June 6, 2014

  As soon as your Debian OS server is ready, login using the received credentials. We first will do an update/upgrade: apt-get update && apt-get -y upgrade && apt-get -y dist-upgrade which will upgrade our server to latest version. We install some additional packages to: apt-get -y install nano wget…

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Alllow SNMP on Openfiler

Rumi, June 6, 2014March 7, 2017

The first step to allow monitoring of the Openfiler server by SNMP is to edit the SNMP configuration file. In order to edit the configuration file perform the following steps :- Logon to the Openfiler server through SSH as an administrative user Navigate to the /etc/snmp folder Edit the snmpd.conf…

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CRON scripts to running in seconds interval

Rumi, June 6, 2014

  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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Setting default boot kernel in Grub on Debian/Ubuntu

Rumi, June 6, 2014

  In a terminal, run sudo update-grub Then, type grep menuentry /boot/grub2/grub.cfg Counting from 0, find the number of the line containing the 2.6 entry you want. Set that as default in /etc/default/grub and run sudo update-grub again. Since the option for "Other Linux Versions" is on line 3 of…

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TimeZone adjust in Linux

Rumi, June 6, 2014

  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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Appliances and OS Templates

Rumi, June 6, 2014

  For PVE & OpenVZ templates- http://openvz.org/Download/template/precreated PVE appliances- http://pve.proxmox.com/wiki/Get_Virtual_Appliances http://pve.proxmox.com/wiki/Category:Virtual_Appliances

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Update PHP 5.1 to PHP 5.4 in CentOS

Rumi, June 6, 2014

  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, June 6, 2014

  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, 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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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 SSH SSL Ubuntu Ubuntu 16 Ubuntu 18 Ubuntu 20 Varnish virtualbox vpn Webmin Windows 10 XCP-NG zimbra

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