VMware is a ubiquitous name in the virtualization world. It includes ESXi, VMware Workstation, Tanzu and many other products. These products are the first thing that comes up when people talk about virtual machines and other items dependent on them. ...

 The OpenWrt Project is a Linux operating system that targets embedded devices. Instead of static firmware images, OpenWrt provides a filesystem with a package manager, similar to regular Linux systems. OpenWrt now supports numerous architecture...

Sophos Firewall Operating System (SFOS) is a purpose-built OS that is the core of Sophos XG firewall. The architecture has multiple options for mitigating the latest threats and modern-day features like SD-WAN, cloud application traffic, etc. Sophos ...

VyOS is an open-source network operating system based on Debian Linux, that came from the development version of Vyatta routing software. While there is both an open-source and paid version of VyOS, here we will focus on the open-source, nightly buil...

pfSense is a free network firewall distribution, based on FreeBSD OS and includes numerous third party free software packages intended to expand firewall functionality. pfSense hardware can be installed on common hardware or in the cloud. This variet...

OPNsense is an open-source, FreeBSD-based firewall distro. It provides a modern GUI and numerous plugins. A great plus is its ease of use, in contrast to some other open-source firewalls in the past. Also, OPNsense is a fork of Pfsense (we ...

NetVizura is a complex software composed of a few databases, Tomcat, and a lot of code, supported on Windows and numerous Linux distributions for AMD64 architecture. With the advent of 8GB RAM RPI 4, there have been numerous projects using this versi...

Since Ubuntu 16.04 is approaching its end-of-life (you can, of course, extend it with ESM though that's another story), there is a need to keep your system up-to-date. Unlike CentOS and Red Hat, which don't support in-place upgrades, Ubuntu (and Debi...

PostgreSQL (commonly known as Postgres) is a well-known, solid as a rock database. And yes, from time to time it craves for an upgrade too. Today we will learn something about PostgreSQL Windows upgrade from version 9.6 to 12. KEEP IN MIND: As a...

Aruba is a global network company, a leader in Wi-Fi technology. Their most renowned merchandise are switches, which are purpose-built for the cloud, mobile and IoT. Users find Aruba CLI very comprehensible and its remarkably well designed GUI contai...