Tutorials/Tips

Cell security in Apache HBase

Cell security in Apache HBase

Here’s a good article about security in Apache HBase that I think some readers will love. Apache HBase is a non-relational database for Hadoop. The article is written by Andrew Purtell, HBase Committer and member of the Intel HBase Team. Here’s an excerpt: For some time Apache HBase has offered a strong security model based on Kerberos authentication and access […]

Your choice: Cinnamon or MATE

I get a lot of queries regarding the difference(s) between the MATE and Cinnamon desktop environments. And of course such queries tend to come from those new to Linux and Free Software. For the benefit of those class of users, this very brief article summarizes the key difference between these two desktop environments. Nothing technical, just basic stuff that will […]

January 10, 2014 · 14 comments · Tutorials/Tips
An attempt to dual-boot Ubuntu 13.10 and Windows 8 on a Lenovo IdeaCenter K450

An attempt to dual-boot Ubuntu 13.10 and Windows 8 on a Lenovo IdeaCenter K450

I had access to a friend’s store-bought (OEM) Windows 8 computer for just one day. The computer is a Lenovo model. Specifically the Lenovo IdeaCenter K450 with a Core i7 processor, 12 GB of RAM, and a 2 TB hard disk drive (HDD). Very powerful machine. It’s the first OEM Windows 8 machine that I’ve had access to, and so […]

January 8, 2014 · 7 comments · Tutorials/Tips, Ubuntu
How to build your own phone company with WebRTC and Node.js

How to build your own phone company with WebRTC and Node.js

I’m reposting this article because it’s very cool and anybody can try it and probably succeed on their first attempt. the title of the original article is Build your own phone company with WebRTC and a weekend. I added the Node.js part because it a core tool used to make the application happen. I intend to give this a try […]

January 7, 2014 · 0 comments · Tutorials/Tips
How to deploy OSSEC across a large network of systems from RPMs

How to deploy OSSEC across a large network of systems from RPMs

OSSEC is a Host-based Intrusion Detection System (HIDS). It is Free Software, made available under the GNU General Public License (version 2). It can do “log analysis, file integrity checking, Windows registry monitoring, centralized policy enforcement, rootkit detection, real-time alerting and active response.” When I was looking for a security solution for my Cloud servers, it was numero uno on […]

January 1, 2014 · 0 comments · Fedora, Tutorials/Tips
Have a Happy Holidays and give GRUB a look to match your mood

Have a Happy Holidays and give GRUB a look to match your mood

Not too long ago, it was January, and in a few days, it will be another month of January. Time really does fly. But what can we do? Go with the flow and be grateful for all that life has brought our way. In that vein, I’d like to thank you and wish you Happy Holidays, if you contribute to […]