Category Archives: Uncategorized

Uncategorized

Nmap Basic commands and review of ports,port scanners, and more.

Introduction to Nmap: Port Scans, ping sweep, and monitor for open Ports on your Local Host and/or VPS In this day and age networking is being used in almost every part of our daily lives. From wired to wireless internet and all networked devices in between has expanded outside of the PC desktop boundaries to …

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Functionality of the file reading commands

While learning the how to navigate through directories and systems through terminals and command lines,one thing is certain, your ability to located  exactly your looking for is essential. As we all know, files can come in smaller sizes or enormous sizes, and familiarity with your tools for reading files is essential in expediting your workflow. …

Apache Uncategorized

Verifying the .crt and .key

Verifying the .crt and .key Everybody had that panic moment when apache refusing to start saying ‘private key doesn’t match while installing SSL certificate. Here is how to check whether the .crt and .key you have is matching or not.       #openssl x509 -noout -modulus -in leosimon.crt | openssl md5       …

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Intro to jQuery, Part II – Events

Introduction Welcome! In the first part of the series, we went over some basic jQuery syntax and concepts- however, now that you’ve got your bearings, I’m sure you’re ready to get moving! Changing text or colors of elements on the fly is neat, but with this article we’re going to dive into one of jQuery’s …

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Lost Dynamic Linker Configuration on FreeBSD

Troubleshooting Dynamic Linker In this article we will go over how you can determine if your operating system has lost its current ELF cache. In my example I will be using a FreeBSD based system so the shared ELF library cache file is located here: /var/run/ld-elf.so.hints. This is one of the files that is affected when …

Email FreeBSD Uncategorized

SSL Certificate Installation for Courier IMAP and POP

This guide will provide you information on how to setup and configure SSL certificates for the courier IMAP mail server.   Prior to the installation you will need to purchase an SSL certificate from your domain registrar. In this example, the SSL was purchased from DomainPal. You will need the following from: Private Key File (Generated on …

Uncategorized

Intro to JQuery, Part I

Introduction Before we begin, it’s important to note that this article assumes basic knowledge of HTML, CSS, and Javascript. If you haven’t already, it may be beneficial to review some of these concepts before proceeding. JQuery – What is it? JQuery is a fast, flexible, and powerful Javascript library that will make things like DOM …