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How to remove Proxmox "No Valid Subscription" pop up message from Proxmox 3+

Recently with version 3.1+ of Proxmox, if you don’t have a license subscription, they made it where a message box pops up on screen that says “You do not have a valid subscription for this server. Please visit www.proxmox.com to get a list of available options.” … this is because in order to use the “Enterprise” repository you must pay for a subscription. The basics of it are they still provide a free repository, but those packages are not as heavily tested and verified as the enterprise repository. Either way when you, or one of your clients/customers, logs into Proxmox interface, it shows that annoying nag message box now. Luckily there is an easy way to remove it…
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How to fix cPanel Roundcube “An error occurred! Could not save the contact address”

Recently I came across the issue where a cPanel user logged into Roundcube webmail and was unable to add a contact to address book.  The specific error that Roundcube output on the screen was “An error occurred! Could not save the contact address.” which meant Roundcube had to have something other than a web error as everything else worked perfectly fine.  Well turns out it was actually  (more…)

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…)