How to generate a Diffie-Hellman 4096-bit Key in less time [New Question]

A quick question, answered on Heelpbook, about “How to generate a Diffie-Hellman 4096-bit Key in less time”. This can save time when we need to generate a DH 4096 bit key on a Linux system, usually used to harden a SSL/TLS configuration for web servers, but also used for SSH, IPSec, SMTPS protocols. Read More …

Multiple ways to install Raspbian on Raspberry Pi

Let’ see some good ways on how to install and access a brand new Raspberry Pi device on your LAN even direclty on WiFi on first boot, with no need of external keyboard, monitor and mouse. Read More …

Linux – Managing WiFi with wpa_supplicant

wpa_supplicant is a WPA Supplicant for Linux, BSD, Mac OS X, and Windows with support for WPA and WPA2 (IEEE 802.11i / RSN). It is suitable for both desktop/laptop computers and embedded systems. Supplicant is the IEEE 802.1X/WPA component that is used in the client stations. Read More …

Linux – scp transfer files (passwordless) between systems

SSH (Secure SHELL) is a network protocol that is used to login into remote servers for execution of commands and programs. It is also used to transfer files from one computer to another computer over the network using secure copy (SCP) Protocol. Let’s see how to automate, passwordless, using Public/Private keys, file transfers between systems. Read More …

SSH X-Forwarding (a more secure alternative to VNC)

X is a popular window system for Unix/Linux workstations (similar to explorer.exe for Windows systems), and one of its best features is its transparency. A great feature about using X is that you can run remote X applications that open their windows on your local display (and vice versa, running local applications on remote displays). Read More …