Popular Wireshark Filters (by IP, protocol, MAC, etc.)

Wireshark is a popular network traffic analysis tool that can be used to diagnose network connections and detect the activity of various programs and protocols. For the convenience of filtering all traffic passing through the network card, you can use Wireshark filters. For novice administrators, applying filters in Wireshark raises a number of questions. In this article, we have collected basic examples of Wireshark filters (by IP address, protocol, port, MAC address, etc.), which will be useful for a quick start.

Continue reading “Popular Wireshark Filters (by IP, protocol, MAC, etc.)”

Installing Minikube on Windows Server Hyper-V

In this article, we will show you how to install and run Minikube in Hyper-V on Windows Server 2019. Minikube is a simple environment for creating a single-node Kubernetes cluster. It is great for getting to know with Kubernetes environment, experimenting, and educating your employees.

Continue reading “Installing Minikube on Windows Server Hyper-V”

Upgrading PHP Version on NGINX with PHP-FPM

In this tutorial, we will show you how to upgrade PHP to version 7.4 on a web server with Nginx and php-fpm (based on Ubuntu or Debian Linux). PHP 7.4 contains a large number of updates to improve the stability, security, and performance of your web server and is highly recommended to use.

Continue reading “Upgrading PHP Version on NGINX with PHP-FPM”

Enable Remote Desktop Access to Ubuntu via VNC

VNC (Virtual Network Computing) is a widely used protocol for remotely accessing a computer’s desktop. VNC is a cross-platform alternative to Microsoft’s RDP protocol. In this tutorial, we will show you how to use VNC to remotely access the desktop of an Ubuntu Linux host over the network.

Continue reading “Enable Remote Desktop Access to Ubuntu via VNC”

Protecting Active Directory OUs from Accidental Deletion

Active Directory has a special feature to protect against accidental deletion of directory objects (Organizational Units, users, groups, etc.). By default, the “Protect object from accidental deletion” option is enabled when creating new OUs.

Continue reading “Protecting Active Directory OUs from Accidental Deletion”