Practical Technology

for practical people.

August 5, 2013
by sjvn01
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Inside the Tor exploit

Everyone agrees that child pornography is evil. Along the way to tracking down Eric Eoin Marques, whom the FBI has called “the largest facilitator of child porn on the planet,”  the government agency, with the possible assistance of the NSA, broke into the Tor anonymous network, injected JavaScript malware into the Tor specific version of Firefox, and obtained the Internet addresses of untold numbers of Tor users.

Inside the Tor exploit. More >

August 4, 2013
by sjvn01
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Linux Kernel 3.10 picked for long-term support

All a Linux distribution really needs is any version of the Linux kernel that fits its needs. Linux businesses, like Canonical, Red Hat, and SUSE need more. When they build commercial Linux distributions they need to know that the base Linux kernel will have long-term support. That’s just what Linux Foundation fellow and leading Linux kernel developer Greg Kroah-Hartman is giving them.

Linux Kernel 3.10 picked for long-term support. More >

August 2, 2013
by sjvn01
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T-Mobile backs Ubuntu smartphone

When Canonical, Ubuntu’s parent company, first announced its Ubuntu Carrier Advisory Group (CAG), it looked like only European and Asian telecoms were interested in Ubuntu’s smartphone pitch. Then, in July, Verizon threw its hat into the Ubuntu Linux smartphone ring, and now T-Mobile has joined them.

T-Mobile backs Ubuntu smartphone. More >

August 2, 2013
by sjvn01
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Android’s seven best new security features and one lingering security problem

Google’s latest version of Android, Jelly Bean 4.3, has many good features. Under the surface, though, Google added five significant security features. On top of that, Google has added two other new features that work with almost all currently used versions of Android. 

Android’s seven best new security features and one lingering security problem. More >

August 1, 2013
by sjvn01
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Chef: Cooking up great cloud servers

If you really want to make the most of a cloud, you need cloud configuration management software such as PuppetAnsible, or Chef. With these, instead of your system operators sweating over management programs meant for single, standalone servers, they can spin off dozens or hundreds of server instances in less time than it will take you to read this article.

I’ve already talked about Puppet, perhaps the most popular of these development/operators (DevOps) tools. Chef may not have quite as many fans, but with companies such as Facebook, Ancestry.com, and big data powerhouse Splunk using it, by anyone’s reckoning, Chef is is a serious DevOps program.
Chef: Cooking up great cloud servers. More >

August 1, 2013
by sjvn01
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The trouble with VDI

When I wear my IT hat, I like Virtual Desktop Infrastructure (VDI). With it you can easily and securely deploy complete desktops from servers to your users. Well, in theory, I like it. In practice, it’s often another matter.

I was reminded of why VDI drives me crazy at times in an excellent review of VDI programs by Tom Henderson and Lars Johnson. They found multiple problems that I’ve gotten to know all too well over the years.

The trouble with VDI. More >