linux Featured Sign git commits with SSH keys OpenSSH 8.0 or newer is required and Git 2.34.0. If no key exists yet, it can be created; ssh-keygen -t ed25519 Today, the RSA is the most widely used public-key algorithm for SSH key. But compared to Ed25519, it's slower and even considered not safe if it's
tcpdump tcpdump cheat sheet tcpdump is a data-network packet analyzer computer program that runs under a command line interface. It allows the user to display TCP/IP and other packets being transmitted or received over a network to which the computer is attached. ##TCP FLAGS## Unskilled = URG = (Not Displayed in Flag Field, Displayed elsewhere)
