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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.

Install Mydumper Myloader on Centos 7

Rumi, June 11, 2020July 4, 2020

If you want to execute logical backups using an alternative to mysqldump that works with parallel threads giving faster execution times mydumper is the correct tool. wget https://github.com/maxbube/mydumper/releases/download/v0.9.5/mydumper-0.9.5-2.el7.x86_64.rpm In order to use mydumper and myloader you can use the following sample commands: For dumping/exporting database: mydumper -u <username> -p <password>…

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Percona Mysql Service Force Stop

Rumi, June 10, 2020

Service mysql stop is being ignored. How to fix? Try mysqladmin -u root -p shutdown Alternatively, In case you have started /etc/init.d/mysql bootstrap-pxc So in this case you should stop bootstrapped node using /etc/init.d/mysql bootstrap-stop

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Installing Transmission Torrent Client on Debian

Rumi, June 10, 2020

Install transmission sudo apt-get install transmission-cli transmission-common transmission-daemon Configure There are many settings which can be configured. This how-to focus on tweaking the default configuration file for use with Debian/Ubuntu server. transmission-daemon will start automatically each time you start your server, with the settings defined in /var/lib/transmission-daemon/info/settings.json Make sure the…

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Emby Load Balancing using Nginx

Rumi, May 26, 2020

Emby is a nice and excellent low resource hungry media server. However if you have substantially high amount of traffic, you need a load-balancer.  A sample Nginx based load balancing configuration as below might help.

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Install MariaDB on CentOS 7

Rumi, May 25, 2020

Start by adding the MariaDB YUM repository file MariaDB.repo for RHEL/CentOS and Fedora systems. # vi /etc/yum.repos.d/MariaDB.repo Now add the following lines to your respective Linux distribution version as shown. On CentOS 7 [mariadb] name = MariaDB baseurl = http://yum.mariadb.org/10.1/centos7-amd64 gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB gpgcheck=1 Step 2: Install MariaDB in CentOS 7 Once…

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Install WHMCS on CentOS 7

Rumi, May 25, 2020May 25, 2020

As you may know, WHMCS is the leading web hosting management and billing software that automates all aspects of your business from billing, provisioning, domain reselling and etc. In this article, we are going to install WHMCS 7.7.1 on CentOS 7.6. We assume you have a valid WHMCS license and…

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Layer-4 Load Balancing with HAProxy for MariaSQL

Rumi, May 25, 2020

If you have a MariaSQL Galera Cluster (All master) deployed, you can use HAProxy L-4 load balancing proxy. Configure HAProxy on Layer4 Mode. On this example, configure MariaDB backend like the following environment. Configure HAProxy.

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Observium Unix Agent

Rumi, May 25, 2020

All Agent data is pulled in one TCP connection during the unix-agent module. The module populates an $agent_data array which can be used by other modules. For example: $agent_data = [‘app’] => [‘apache’] => … DATA … [‘bind’] => … DATA … [‘other’] => … DATA … Installation The preferred method of…

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Install PHP 7 on CentOS 7

Rumi, May 24, 2020

Enabling Remi repository PHP 7.x packages are available in several different repositories. We’ll use the Remi repository which provides newer versions of various software packages including PHP. The Remi repository depends on the EPEL repository. Run the following commands to enable both EPEL and Remi repositories: sudo yum install epel-release yum-utils sudo yum…

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Configuring SpamAssassin for Postfix on CentOS

Rumi, May 23, 2020

In the process of receiving email, spamassassin will stand between the outside world and the email services running on your server itself. If it finds, according to its definition rules and configuration, that an incoming message is spam, it will rewrite the subject line to clearly identify it as such….

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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 icinga iptables Jitsi LAMP Letsencrypt Linux Munin MySQL Nagios Nextcloud NFS nginx openvpn 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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