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 ClamAV on CentOS 6

Rumi,

Step 1. First add yum repository your system. The EPEL repo is enabled by simply installing an RPM. Please use the command below to install the EPEL repository on your CentOS server. #CentOS 6 – 32-bit rpm -Uvh http://mirror.overthewire.com.au/pub/epel/6/i386/epel-release-6-8.noarch.rpm #CentOS 6 – 64-bit rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm Step 2. Install required ClamAV packages….

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Install Streama Media Server on Ubuntu 18

Rumi,

Update OS Package: sudo su apt-get upgrade apt-get update reboot Install OpenJDK: apt install openjdk-8-jre mkdir /data mkdir /data/streama touch /data/streama/README.md Add User and change user permission: # new linux user sudo adduser streama # add password to README.md sudo usermod -aG sudo streama sudo chown streama:streama /data/streama/ -R

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Install BigBlueButton- video conferencing

Rumi,

Installation BigBlueButton with a single command on a Ubuntu 16 OS: If you want to set up BigBlueButton 2.2 with a TLS/SSL certificate and GreenLight, you can do this all with a single command: wget -qO- https://ubuntu.bigbluebutton.org/bbb-install.sh | bash -s — -v xenial-22 -s bbb.example.com -e info@example.com -g Troubleshoot after…

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Install Redis on Ubuntu 18.04 & 16.04 LTS

Rumi,

Step 1 – Prerequsities Log in to your system with sudo privilege account using shell access, to which you need to install Redis. ssh ubuntu@remote Update the apt-get packages index files and also update existing packages to the newest versions by using the following commands: sudo apt-get update sudo apt-get…

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Ubuntu Firewall – UFW useful commands

Rumi,

Prerequisites To follow this tutorial, you will need one Debian 10 server with a sudo non-root user, which you can set up by following Steps 1-3 in the Initial Server Setup with Debian 10 tutorial. Step 1 – Installing UFW Debian does not install UFW by default. If you followed…

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Java plug-in does not work in Firefox after installing Java

Rumi,

Tested on Firefox 42 (old release) and Sea-Monkey 2.46/2.49. There are several workaround options. The simplest method is noted first and is recommended. The remaining available options are not recommended for non-technical users. Option 1: Add property name dom.ipc.plugins.java.enabled in Firefox preferences 1. Launch Firefox 2. Type about:config in the…

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Wget Command Examples

Rumi,

How to Download a File with Wget In it’s simplest form when used without any option, wget will download the resource specified in the [url] to the current directory. In the following example we are downloading the Linux kernel tar archive: wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.17.2.tar.xz As you can see from the image…

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