Viruses knock your doors quite often. You should ask the right questions before letting anyone in. For the last 2+ weeks, a specific version of Skype virus is on unleash and impacted many people I know. The virus looks more like a nuisance initially, but has the potential to impact the infected systems to a greater …
Category Archive: Technical
Mar 11 2013
Bind, linux and resilience
Last month was a pleasant milestone for one of the servers I manage – the server is up for more than 1000 days and actively serving public DNS queries. $ uptime 19:52:37 up 1013 days, 2:44, 2 users, load average: 0.00, 0.00, 0.00 $ The configurations on the device change on a weekly basis, the …
Feb 07 2013
Netflix Open Source – Inauguration
Today, Netflix conducted the inaugural open house of its opensource applications.This is the first ever public event of Netflix in its opensource efforts that started almost three years ago. There are several opensource projects that Netflix lined up for this event. Here are the ones I personally liked Asgard: Web application for application deployment …
Nov 17 2012
Clouds, outages and tracking
As many businesses are transitioning some or more of their internal and external services to cloud, cloud incidents start having a bigger impact. The impact can range from productivity hit for employees to crippled services to customers. There are several trackers for uptime of services like DNS, webhosting, VPS and mail. However, the concept of …
Nov 04 2012
Solaris diskspace calculation in Megabytes
Someone asked me how they can compute the diskspace (used/available) in Megabytes. The goal is to get the info in Megabytes only and report it, so that other programs can make use of it in automation. As a backdrop – the df command in Solaris supports the -k switch, which computes the diskspace in kilobytes. …
Sep 06 2012
Robot Speeds
Cheetah, world’s fastest robot till date, clocked 28.3mph on a controlled treadmill tether. This DARPA project implemented by Boston Dynamics has impressive progress in the recent past and has interesting roadmap ahead. There are a few more interesting Robots from Boston Dynamics: Sand Flea, BigDog, etc. Check them out!
Aug 27 2012
Ant Algorithms
Do ants follow protocols that are similar to the ones that govern Internet? Especially for congestion avoidance and time-outs? This particular study at Stanford says yes. Interesting read.
Aug 14 2012
Face, Hair and Recognition
I grew up watching movies in which the protagonist enters the antagonist’s world (empire, den, office, home, whatever) by making minor changes to his looks – by adding a mustache and beard or by changing the hair style. Everyone in the audience could easily recognize the protagonist, except for the on-screen buddies of antagonist. Face …
Jun 07 2012
IPv6 Launch Day
Good to see that the IPv6 launch day on 06th June got more attention and action when compared to the previous years. This year, we have concrete evidences that things are falling in place. We are seeing that big players in Internet consumer land, like Google, D-Link, Cisco, etc. putting their weight behind IPv6 readiness. …
Mar 08 2012
VPN tunnels over smartphones
As the enterprises are shifting more towards smart phone based access of company wide resources, the emphasis on establishing a secure connection between the nomadic device (read cell phone or tablet) and the enterprise is increasing. A tablet is mostly seen as an evolution of laptop and hence is expected to run applications like VPN …
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