RHCE Exam – Now 400 Bucks | As of Red Hat 6, the RHCE exam price has dropped in half. What was $800 is now $400. It is also now only a 2 hour exam. Has anyone taken the RHCE exam for Red Hat 6 yet? How did it go? Also note that the RHCT has been replaced by the new RHCSA.
pfSense – Free Open Source Firewall
pfSense – Free Open Source Firewall | pfSense is an excellent customization of FreeBSD for use either as a firewall or a router. FreeBSD is known for powering many commercial and large enterprise firewall appliances. pfSense gives you that same extensive feature set in a version you can install yourself on your own hardware or purchase pre-installed by many vendors. pfSense is
Quick Intro to zsh: auto complete
Quick Intro to zsh: auto complete | zsh or the z shell is an interactive shell that builds upon features of other shells such as bash, ksh, and tcsh. zsh is great for advanced script monkeys but also is an excellent simple bash replacement for the regular joe user. Here is a quick intro to the auto complete features of zsh! On
CyanogenMod CM7 Fix for Choppy 720p Video Recording
CyanogenMod CM7 Fix for Choppy 720p Video Recording | CyanogenMod 7 is the premier Android distribution. However 720p video record is sometimes problematic on certain model phones in that frames drop giving choppy and poor quality video. Alas there is a fix! I picked up this tip from a user on xda-developer.This will fix the choppy video by lowering the bitrate which is a
Create Photo Collage in Linux
Create Photo Collage in Linux | With ImageMagick you can create a photo collage from the command line in Linux. I’ll show you how! First, make sure you have ImageMagick installed: $ sudo apt-get install imagemagick Next, to simply slap photos together into a grid style collage, use: $ montage *.jpg collage.jpg The end result will look something like this: (blurred
Protect Against Brute Force with ufw
Protect Against Brute Force with ufw | ufw is the super easy firewall interface featured in Ubuntu and also the latest Debian. Somewhat like fail2ban, one feature of ufw is built-in rate limiting to protect against brute force attacks. While this could be used on any port, a common use is on port 22 to protect against ssh dictionary attacks or other
flac – Audio Codec of Choice
flac – Audio Codec of Choice | Similar to MP3 (but lossless), flac is an audio codec for your music. Instead of ripping to MP3, consider ripping to flac! flac stands for free lossless audio codec Why choose flac? flac is awesome for various reasons: Entire original source file is retained (excellent for CD archiving _with_ metatags!) Zero quality loss (lossless) Can
Make Your Web Server Snappy With php-apc
Make Your Web Server Snappy With php-apc | In Debian / Ubuntu, simply installing one package will instantly make your web server faster. (That is, if you are serving up php!) Here ya go: sudo apt-get install php-apc Next, edit the following file: $ sudo nano /etc/php5/conf.d/apc.ini And put in the following values. Increase the apc.shm_size as high as is available: extension=apc.so apc.shm_size=64M
Clear or Flush Arp Cache in OS X
Clear or Flush Arp Cache in OS X | To clear or delete the arp cache in Mac OS X, crack open a terminal and issue the following command: $ sudo arp -a -d Done! Thanks Theo
How To Create Ethernet RJ45 Loopback Adapter
How To Create Ethernet RJ45 Loopback Adapter | I’ll show you how to create an ethernet loopback adapter! A loopback adapter is useful for tricking a network card into believing it is plugged into a network. Using two wires, connect: 1 to 3 2 to 6 The pin arrangement is 1-8 left to right, with the flat side facing you. Here are some