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Category: Collected Articles

Install Docker on Debain 10

Rumi, December 21, 2021

Installing Docker The Docker installation package available in the official Debian repository may not be the latest version. To ensure we get the latest version, we’ll install Docker from the official Docker repository. To do that, we’ll add a new package source, add the GPG key from Docker to ensure…

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Install Netxtcloud on Debian 10

Rumi, December 16, 2021

Install Apache, MariaDB and PHP NextCloud runs on the webserver, written in PHP and uses MariaDB to store their data. So you will need to install Apache, MariaDB, PHP and other required packages on your system. You can install all of them by running the following command: apt-get install apache2…

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Redirect HTTP to HTTPs automatically in Zimbra 8.8

Rumi, November 26, 2021

The most popular out of 5 options for proxy services, is to redirect. To do this, you can run the following as zimbra user: zmprov ms `zmhostname` zimbraReverseProxyMailMode redirect This will redirect your URLs to the zimbra hostname based HTTPs. Now, restart the proxy services: su – zimbra zmproxyctl restart…

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Install SmokePing on CentOS 7

Rumi, August 6, 2021August 7, 2021

This tutorial explains how to install Tobias Oetiker’s Smokeping into /opt/smokeping on a CentOS 7 box. Features of Smokeping: – Best of breed latency visualisation. – Interactive graph explorer. – Wide range of latency measurement plugins. – Master/Slave System for distributed measurement. – Highly configurable alerting system. – Live Latency…

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Install ONLYOFFICE Document Server with Nginx on Debian 10

Rumi, August 1, 2021

Step 1 – Install Packages Dependencies In this first step, we will install some packages dependencies needed by the Document Server, including the RabbitMQ-server, Redis, and Nginx-extras. Update your Debian system repository and install Document Server packages dependencies using the apt command below. sudo apt update sudo apt install redis-server…

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Install and Secure Redis on CentOS 7

Rumi, July 21, 2021

Step 1 – Install and Enable Remi Repository Firstly, we will add the Remi repository to the CentOS 7 system. The Remi repository provides the latest version of Redis package for our installation. Before adding the Remi repository, let’s install the EPEL repository and yum utility packages. sudo yum install…

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Upgrade Debian 9 to Debian 10

Rumi, July 19, 2021

Update ALL existing installed packages Before you upgrade your Debian version to 10, you must apply all security patches and pending upgrades to Debian 9 itself Hence, Type the following apt command or apt-get command: sudo apt update sudo apt upgrade sudo apt full-upgrade sudo apt –purge autoremove OR sudo…

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Softether Auto Installer on CentOS/Debian/Ubuntu (Backward compatible edition)

Rumi, April 17, 2021

Softether Auto Install Script for multi platforms updated version Softether VPN server latest version v4.27-9666-beta-2018.04.21 Revised to last known stable version due to compilation error from their latest release An open source VPN project from University of Tsukuba Japan Centos 6 or 7 x64 Debian 8 (jessie) (Not compatible for…

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Configure DomainKeys- DKIM (OpenDKIM) with Postfix on CentOS 7

Rumi, March 31, 2021March 31, 2021

OpenDKIM is method to digitally sign & verify emails on the mail servers using public & private keys. In other words opendkim implements the DKIM (DomainKeys Identified Mail) standard for signing and verifying email messages on a per-domain basis. DomainKeys are implemented to reduce the chances of outgoing mails to…

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Ping behind proxy using httping

Rumi, March 5, 2021

You can use utility httping for that. It sends a HEAD request (by default) to a web server and measures the time it took to get a response. The utility is available through a number of repositories for different OS’es and Linux distros: Ubuntu: sudo apt install httping Alpine: sudo…

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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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