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Install Virtualbox 5.2/6.1 on Ubuntu 16 headless mode

Rumi, May 21, 2021

Install Prerequisites Before installing VirtualBox 5.2/6.1, please install these packages below if your systems don’t already have them installed…. sudo apt update sudo apt-get install gcc make linux-headers-$(uname -r) dkms Add VirtualBox Repository If you want to always get the latest versions of VirtualBox when they become available, you’ll want…

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Reset user password of Discourse

Rumi, May 21, 2021May 21, 2021

Discourse is an excellent platform- super fast, super organized and super fresh looking. It has quite standarized and additional security options in the application UI. However, found a freat issue of updating any user of this platform as Admin (I was havign difficulties of self user password reset options, as…

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How to remove Virtualbox extpack

Rumi, May 19, 2021

The following commands show examples how to list extension packs and remove one: $ VBoxManage list extpacks Extension Packs: 1 Pack no. 0: Oracle Virtual Machine VirtualBox Extension Pack Version: 4.1.12 Revision: 77218 Edition: Description: USB 2.0 Host Controller, VirtualBox RDP, PXE ROM with E1000 support. VRDE Module: VBoxVRDP Usable:…

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Install webmin on Centos 7 using Yum

Rumi, May 15, 2021

Create and open this new file using your text editor: sudo vi /etc/yum.repos.d/webmin.repo Then add these lines to the file to define the new repository: nano /etc/yum.repos.d/webmin.repo [Webmin] name=Webmin Distribution Neutral #baseurl=http://download.webmin.com/download/yum mirrorlist=http://download.webmin.com/download/yum/mirrorlist enabled=1 Save the file and exit the editor.

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Reset lost root password on Ubuntu 18.04/20.x

Rumi, May 15, 2021

Boot Into GRUB menu The first step is to reboot into the GRUB menu. If Ubuntu 18.04 Bionic Beaver is the only operating system installed you need to keep pressing SHIFT for the GRUB menu to show up.

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Export/ Import VM to/from a backup file using command line on XenServer

Rumi, April 18, 2021

Identify VM’s UUID We start by identifying a virtual machine we would lake to export to as a regular backup file. Run xe vm-list to list all available virtual machines and take a note of the virtual machine in question: # xe vm-list uuid ( RO) : 7371124f-7d4d-66b7-cbc7-a98b1457543e name-label (…

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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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Install LAMP with PHP-FPM on Ubuntu 20

Rumi, April 4, 2021

Step 1 – Installing Apache Apache web server debian packages are available under the default repositories. Login to your Ubuntu system with sudo privileges account. Open a terminal and execute the following commands: sudo apt update sudo apt install apache2 libapache2-mod-fcgid The above commands will install Apache and FastCGI module…

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Upgrade Python 2.7 to 3.6 and installing pip on CentOS 7

Rumi, April 2, 2021

Installing Development Tools Development tools are required for building Python modules. To install the necessary tools and libraries type: sudo yum groupinstall ‘Development Tools’ Enable Software Collections (SCL) Software Collections , also known as SCL is a community project that allows you to build, install, and use multiple versions of…

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Install wkhtmltopdf 0.12.5 on Centos 7

Rumi, April 2, 2021April 2, 2021

Install Dependencies yum install fontconfig libXext freetype libpng zlib libjpeg-turbo libpng libjpeg openssl icu libX11 libXext libXrender xorg-x11-fonts-Type1 xorg-x11-fonts-75dpi Install wkhtmltopdf sudo yum install -y https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.5/wkhtmltox-0.12.5-1.centos7.x86_64.rpm Test wkhtmltopdf http://www.google.com google.pdf Src:: https://otodiginet.com/software/tools/how-to-install-and-using-wkhtmltopdf-on-centos-7/

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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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