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
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
Linux Tycoon – lunduke.com
Linux Tycoon – lunduke.com | Linux Tycoon is a simple game by the Linux Action Show’s Bryan Lunduke. I gave it a spin, and so far the scottlinux distro is having mixed reviews. It is a surprising amount of fun even though it is a simple app. Check it out!
Fun with SHODAN
Fun with SHODAN | Shodanhq.com is awesome. These are fun: http://www.shodanhq.com/search?q=X-Powered-By%3A+PHP%2F5.1.2 Many sites running old PHP from 2006. Edit as desired to find an old php target. http://www.shodanhq.com/search?q=X-AspNet-Version%3A+1.1.4322 Incredible how many sites still use ASP .NET 1.x http://www.shodanhq.com/search?q=%22cisco-ios%22+%22last-modified%22 Web management pages for Cisco devices that have authentication disabled. http://www.shodanhq.com/search?q=Server%3A+Microsoft-IIS%2F5.0+ IIS 5.0 http://www.shodanhq.com/search?q=Server%3A+Apache%2F1. Ancient versions of Apache still in use
Ubuntu 12.04 Change to Classic Gnome
Ubuntu 12.04 Change to Classic Gnome | Unity not doing it for you? Ubuntu 12.04 has a fallback mode which mimics Gnome 2 / Classic Gnome. Yay! To install Gnome Classic/Fallback, install this package: $ sudo apt-get install gnome-session-fallback Now logout. At the login screen after selecting your login name, click on the Ubuntu icon beside your name to change the session
Open Source Auditing Tools
Open Source Auditing Tools | Here are various open source tools that are useful for security auditing! If you are a consultant, or an admin that just likes to be on top of his game, these are free open source tools that help audit the security level of workstations and servers in your environment. Note: These are by nature Linux-friendly
How to Read a Packet Capture .cap File from Command Line
How to Read a Packet Capture .cap File from Command Line | There are a couple of ways to read a packet capture .cap file from the command line. I’ll show you how! tcpdump The tack r filename option for tcpdump will display a capture file onto the screen. Pipe it to less to get something to scroll. $ tcpdump -r mycapturefile.cap | less $ tcpdump -r
cURL Ignore SSL Certificate Warnings
cURL Ignore SSL Certificate Warnings | To ignore any ssl certificate warnings with curl, use the tack k option. Here is an example: $ curl -k https://scottlinux.com $ curl -I -k https://scottlinux.com HTTP/1.1 200 OK Date: Tue, 14 Feb 2012 20:00:03 GMT Server: Apache Strict-Transport-Security: max-age=43200; includeSubDomains X-Frame-Options: SAMEORIGIN Set-Cookie: bb2_screener_=1329249603+66.202.152.198; path=/ X-Pingback: http://scottlinux.com/xmlrpc.php Set-Cookie: PHPSESSID=lq5dpvfagbdstib7nlg2b8a0m7; path=/ X-Hello: Hello There Vary:
