Linux command to find the memory usage by user and sort it in descending order.

Windows Trace command and Pktmon produce there output in Event Trace Log (ETL) format. ETL is Microsoft propitiatory format and mostly incompatible with other popular and widely accepted and standardized packet capture formats like PCAP and PCAPNG.

First thing that come to mind for packet capturing in Wireshark or tcpdump. In this tutorial we will be capturing packet on Windows 10 machine without any external tool installed.

In order to use encryption and decryption in PHP, we need to inatall PHP extension mcrypt.

These days most websites uses Cloudflare for there protecting against DOS or DDOS attacks. Cloudflare is free and easy to setup. Cloudflare conceals the IP address of the website in order to protect it from attack.