Stat

Stat Command Overview The stat command displays detailed file or filesystem status information. It’s commonly used by developers and sysadmins to inspect metadata such as permissions, ownership, timestamps, and filesystem-specific attributes. Synopsis Key Options Default Output Example Field Breakdown Field Read more…

lsof

Understanding lsof and lsof -i What is lsof? lsof (List Open Files) is a versatile command-line utility on UNIX and Linux systems that displays information about files opened by processes. Since UNIX treats many resources as files—including disk files, network Read more…

SSH tunneling

SSH (Secure Shell) tunneling is a technique that lets you securely forward network traffic through an encrypted SSH connection. It’s essentially a way to “pipe” otherwise insecure or restricted traffic through an SSH session, protecting it from eavesdropping and bypassing Read more…

Node multithread

Intro Node.js is primarily single-threaded due to its event-driven, non-blocking I/O architecture, which means it handles tasks asynchronously on a single thread, particularly for I/O operations. However, for CPU-intensive tasks or tasks that benefit from concurrency (like computations), Node.js does Read more…

Flameshot

Flameshot is a powerful and simple-to-use screenshot software Here a mini guide to install and setup in ubuntu 24.04 LTS, XDG wayland Install Flameshot on startup go to startup application select flameshot and press edit change the command to sh Read more…

nc – netcat

The nc (or netcat) utility is used for just about anything under the sun involving TCP, UDP, or UNIX-domain sockets. It can open TCP connections, send UDP packets, listen on arbitrary TCP and UDP ports, do port scanning, and deal Read more…