Install nmap 6 on Debian or Ubuntu Linux | nmap 6 is out! It will be a couple of centuries before this is available in Debian, so I’ll show you how to easily create a .deb package right now. The following steps will provide a .deb package which is easy to cleanly uninstall at anytime as needed. Updated 19 June 2012! 1. First install
Use Curl to Fetch ASP.NET Version Banner
Use Curl to Fetch ASP.NET Version Banner | The version of ASP.NET is sent in a banner with http requests and can be viewed with a curl command. I’ll show you how! X-AspNet-Version: 2.0.50727 To view this with curl, use tack capital I and fetch any url ending in .aspx. A random url ending in .aspx works as well: $ curl -I 10.112.12.67/asdfsaf.aspx
Debian Administrator’s Handbook
Debian Administrator’s Handbook | Two well known Debian developers have written the Debian Administrator’s Handbook. It is now available in paper back as well as ebook formats. Check it out! http://debian-handbook.info/2012/the-debian-administrators-handbook-is-
Perform DNS Lookups with the host command
Perform DNS Lookups with the host command | The dig command is commonly used to make DNS queries. However, a much overlooked command is the host command. Here are some quick tips for a useful tool to add to your bag of tricks or to impress your friends. The syntax is: $ host [domain.com] When run with no options, a simple quick summary
Safari Browser – Not Safe
Safari Browser – Not Safe | Current versions of Firefox, Chrome, and IE9 have built-in protection or filtering to prevent social engineering execution of XSS and javascript in the URL bar. (As of this writing, Firefox 12, Chrome 18). The only major browser that currently does _not_ do so well for these protections is Safari. Safari 5.1.5 on OS X Lion
Connect Midi Keyboard for Playback in Linux
Connect Midi Keyboard for Playback in Linux | Below is a simple how-to guide to use your USB midi keyboard in Linux to play some basic sounds back. I’ll show you some tips! 1. First, connect and power on your USB midi keyboard. 2. Next, on Debian or Ubuntu, install these packages which will pull in all related depedencies. sudo apt-get install qjackctl
The Importance of Securing a Linux Web Server
The Importance of Securing a Linux Web Server | Linux web hosting is popular but that also makes Linux a target for malware and other malicious hacking. Here is a write up pointing out some general best practices for Linux web servers: The Importance of Securing a Linux Web Server If you find this topic interesting, you may also be interested in Linux Boot
OS X Firewall Not Stealth
OS X Firewall Not Stealth | By default, the OS X Lion firewall enabled and stealth actually has a few ports open, despite the System Preferences displaying no services running and no ports open. A nessus scan will reveal the following UDP ports open and broadcasting information: 5353 / UDP 123 / UDP 127 / UDP Note: Ignore port 4242 TCP
Expand Windows 7 VirtualBox Hard Drive
Expand Windows 7 VirtualBox Hard Drive | Out of space with your Windows 7 VirtualBox instance? No need to reinstall the vm. Using the free bootable iso clonezilla, you can clone your Windows 7 VirtualBox guest to a larger hard drive. I’ll show you how! 1. Download a copy of the latest stable clonezilla iso: http://clonezilla.org/downloads.php 2. Add a second larger virtual