MERN stack is a setup with MongoDB, Express, React and Node.js. This is one of the variants of MEAN stack. MongoDB is the database, Express with Node.js is used for backend which communicates with the database, React is the client side or frontend. We will use Nginx reverse proxy to Node.js server and setup Let’sEncrypt […]
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In this tutorial for upgrade zabbix system from version 5.0 to 5.4. ZABBIX is an open source network monitoring tools. So I will try to provide zabbix server upgrade using testing lab. ############################### Operating system: ubuntu 20.04 Zabbix version : 5.0.16 Mysql version : 8 Php version : 7.4 ############################### Step #01: Check all version
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In this article, we will see how to install VirtualBox on Ubuntu 20.04 LTS. VirtualBox is an extremely powerful, feature rich, free and open source virtualization software available to use in almost all the famous platforms in both enterprise as well as for home use purposes. It supports a huge list of guest operating systems
Today part of my Lab requirement, I have installed Ubuntu 20.0.6 on my Esxi as a VM and allocated space of 450GB – But when installation time I have not made close attention to what was installed as part of the installation. After installation finished, I only saw my root/partition allocated space only 100GB –
Introduction One of the first lines of defense in securing your cloud server is a functioning firewall. In the past, this was often done through complicated and arcane utilities. There is a lot of functionality built into these utilities, iptables being the most popular nowadays, but they require a decent effort on behalf of the
The order in which a computer looks for nonvolatile data storage devices with program code to load the operating system is known as the boot sequence (OS). ROM is used to initiate the boot procedure on a Macintosh, while BIOS is used on Windows. The CPU takes charge and loads the operating system into system
Slack is a cloud-based popular team collaboration tool. This is a new kind of messaging platform for the teams, bringing all your communication to one place. You can visit slack.com to create your team account for free. The free plan provides limited features but is pretty useful for a small team. Upgrade to the paid
What is OpenSSH? OpenSSH is a connectivity tool that allows secure communication between client and server. The traffic is encrypted to discourage eavesdropping, connection hijacking, MITM attack, and other attacks. In today’s guide, we will show you how to install OpenSSH server on an ubuntu machine. The installation will take place using the terminal with
In this article, we’ll explain how to install Observium on Ubuntu 20.04. Observium is an auto-discovering network monitoring platform supporting a wide range of hardware platforms and operating systems including Cisco, Windows, Linux, HP, Juniper, Dell, FreeBSD, F5, Brocade, Citrix Netscaler, NetApp and many more. Being a PHP-based platform, it offers an easy-to-use web interface
In this article, we’ll explain how to install SpamAssassin with Postfix on Ubuntu 20.04. Apache SpamAssassin is the #1 Open Source anti-spam platform giving system administrators a filter to classify email and block spam (unsolicited bulk email). It uses a robust scoring framework and plug-ins to integrate a wide range of advanced heuristic and statistical
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