" February 2014 "

How to install GNU Radio, FFTW, RTL SDR, GrOsmoSDR, and more using PyBombs with dependencies, by rpm/deb or build from source

Recently I purchased a Mini SDR (DVB-T) from NooElec to play around with some RF and do some testing, but for some reason kept running into problems while trying to build GNU Radio on Debian (Ubuntu/Linux Mint) from the git repos.  I attempted to use the version from the standard repository, but unfortunately that version is old and out dated (I think 1.6 was in repo, but 1.7.2 is latest), so the only option was to build from source.  I swear I probably spent 4 hours trying to figure out why certain dependencies wouldn’t install, then I would get one to install, and another one would come up…add to that for the testing I wanted to do I needed to install FFTW, RTL SDR, and GrOsmoSDR, which is when I finally decided to find a better way to build from source (or find latest version deb/rpm). (more…)

How to secure an OpenVZ cPanel /tmp directory

Recently on an OpenVZ VPS we kept getting messages from ConfigServer Security and Firewall stating “lfd on server.host.com: Suspicious File Alert”, with the message pointing specifically to a file in the /tmp directory. After going through the files I didn’t find anything that looked suspicious in nature (exploit, malware, etc), but I did notice that this older VPS did not have the /tmp directory mounted correctly to secure it. When I attempted to use cPanel’s built in /scripts/securetmp I got an error saying the loop module wasn’t detected/installed “*** Notice *** No loop module detected” (more…)

How to setup a WordPress PHP site with Nginx, PHP5-FPM, and MySQL using Ajenti V with working Permalinks

While beta testing Ajenti-V and attempting to setup a simple WordPress site, I ran into enough problems to warrant creating this tutorial.  Mainly because the way Ajenti-V sets up Nginx, there was a good hour of troubleshooting and testing that I had to do before getting a fully functioning site that had working permalinks.  Below I will describe exactly what needs to be done to get a full WordPress site up and running with Nginx, MySQL, PHP5, and Ajenti-V.