Viewing: FreeBSD

Lmao: Command Line Russian Roulette For Linux and Unix Users

Russian Roulette is a fatal game of chance in which a player places a single round in a revolver, spins the cylinder, places the muzzle against their head, and pulls the trigger.

File permissions: Linux or Unix users will understand this

Lmao. Credit: A Comic About Guardians Of The Galaxy […] Read More

Download Free eBook PDF: The Awk Programming Language

AWK is a programming language designed for text processing and typically used for a data extraction and reporting tool. It is a standard feature of Linux, FreeBSD, OpenBSD, MacOS and most Unix-like systems. This is one of my favorite books. It is a superb book if you are looking to learn about AWK. AWK is […] Read More

Patch your FreeBSD server for openssh vulnerabilities [11/Jan/2017]

OpenSSH is critical for both sysadmin and programmers. It is an implementation of the SSH protocol suite, from OpenBSD project. It provides an encrypted session to your server. OpenSSH has multiple vulnerabilities as of 11th January 2017 running on FreeBSD operating system. From the advisory: The ssh-agent(1) agent supports loading a PKCS#11 module from outside […] Read More

How to speeding up SSH session creation

You can reuse OpenSSH connections to the same server when you want to open subsequent connections to the same server. For example, if I ran ssh vivek@server42.cyberciti.biz, the ssh client will establish a new SSH connection. It usually takes only a few seconds. However, if I run ssh vivek@server42.cyberciti.biz command again, connecting to a server42.cyberciti.biz […] Read More

Forcefully mark down pfSense wan gateway as down

From the article: I have two internet connections (fiber and 4G LTE) configured in load balanced mode using pfSense FreeBSD based firewall. One of my wan connection is running out of bandwidth quota. How can I force and turn off this interface to save bandwidth until month end and enable it again from next billing […] Read More