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OpenSource For You
May 2013 Issue
Vol. 1 No. 8
Admin - Let's Try
Monitoring and Graphing Your Network With Cacti
Cacti, an open source network graphing application, utilises RRDTool, a data logging and graphing system for time series data. Read on to learn more about it.
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Admin - Overview
A Look at the Top Three Network Monitoring Tools
This article talks about a few important aspects of network monitoring, and compares three leading tools that are of great importance to IT administrators.
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Admin - Let's Try
Linux Firewall: Executing Iprules Using PHP
A firewall keeps the network secure by analysing packets and determining whether they should be allowed through or not. This article shows how to manipulate Iprules using PHP scripts.
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Admin - Cloud Corner
A Peek Into Some Cloud Monitoring Tools
Cloud monitoring tools collect data and illustrate patterns that might be difficult to spot otherwise in a dynamic infrastructure environment, in which services are provided by Cloud Service Providers. Read on to know more...
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Admin - Cloud Corner
Graphing Network Performance with MRTG
This article guides readers on how to use MRTG in order to display the ADSL traffic of a Cisco 877W router with a little help from SNMP (Simple Network Management Protocol).
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Admin - Let's Try
Secure Your SCADA Network Using Honeypot
Supervisory Control and Data Acquisition (SCADA) is an integrated part of a process control network. By actually damaging some critical infrastructure assets, including a nuclear plant and launch of a satellite, the Stuxnet virus proved the need for process control network security. Having woken up to this new threat, people are coming up with various strategies to mitigate such attacks. Various tools and techniques are being deployed to enhance the security posture of SCADA installations, one of the most important being honeypots and honeynets.
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Developers - Let's Try
A Primer on WSGI
This article shows you how to make money and have fun with some code, Python and the Internet. It all starts with a four letter acronym, WSGI – a spec that makes it very easy to write applications for the Internet.
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Developers - How To
Unlock the Potential of QForms
Here’s an introduction to simple yet powerful utilities that come with QForm.
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Developers - Overview
The Emergence of Open Source Players in the Database Space
This introductory article takes a sweeping look at the current database domain. The rapid expansion of this domain over the past five years is fascinating and makes for interesting reading, especially since more and more open source DBs are becoming popular.
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Developers - How To
Heterogeneous Parallel Programming: Dive into the World of CUDA
A previous article in this series titled ‘Introducing NVIDIAs CUDA' covered the basics of the NVIDIA CUDA device architecture. This article covers parallel programming using CUDA C with sequential and parallel implementations of a vector addition program
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Developers - Let's Try
Consistent Hashing With Memcached
Consistent Hashing is a method that’s widely used to reduce cache invalidation. Let’s take
a closer look at how it can be used.
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Admin - Let's Try
Monitoring Cloud Instances with Ganglia and sFlow
This article looks into some quick steps for installing, configuring and working with Ganglia and sFlow to monitor your cloud instances.
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For U & Me - Let's Try
Leaning on LATEX
Most people format documents interactively. This article is for those who believe that content is king and that formatting is a necessary distraction—to learn why LATEX is ideal for them.
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For U & Me - Career
Boost Your Career as a Database Administrator
The demand for adept database administrators will continue to grow in the years to come, opening up innumerable opportunities. A career in this domain comes with both challenges and excellent growth potential.
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For U & Me - Interview
Linux Job Are On The Rise
If you are working in the open source space, you have all the chances of being hired by the biggies. Linux jobs are on the rise, claims Ralf Flaxa, vice president, Engineering, SUSE. And he has his reasons for making this claim. In an exclusive conversation with Diksha P Gupta from Open Source For You, Flaxa explained where and how Linux professionals can seek job opportunities and how SUSE goes about its
hiring. Excerpts:
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For U & Me - Let's Try
Mathematics Made Easy With Minimal Octave
This fifth article in the mathematical journey
through open source introduces Octave, a non programmer’s way of doing mathematics.
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For U & Me - Recruitment Trends
Skava is Looking to Hire Smart Programmers
It's not just about knowing how to code. These days, it's also about smart programming. Young companies like Skava Inc are looking to hire smart engineers, who can write good code, despite the current turbulence in the global economic situation. Diksha P Gupta from Open Source For You spoke to Arish Ali, CEO and co-founder, Skava Inc, about the firm’s hiring plans in India. Read on...
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For U & Me - Open Strategy
"For modern day tablets and smartphones, Android has become a default"
Simmtronics is becoming one of the most frequently mentioned names in the world of smartphones and tablets. The Indian manufacturer has launched a series of Android devices in the past few months because of the growing popularity of the Android platform and the firm’s capability to offer cut-throat competition to the other OEMs. Diksha P Gupta from Open Source For You spoke to Indrajit Sabharwal, managing director, Simmtronics Semiconductors Ltd, about the company’s product line up and strategy. Read on...
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Open Gurus - Let's Try
Grub 2 Demystified A Complete Perspective
Grub, also known as GR and Unified Bootloader, has been the main boot loader for many Linux distributions. Grub was initially released as a part of the GNU HURD project and later was merged in the public repository of the GNU project. It is presently available in two versions–the legacy Grub and the new version marketed as Grub 2, which has a number of interesting features and options.
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Open Gurus - Insight
Slackware: Simple, Straightforward and Stable
This article discusses Slackware, a free and open source Linux-based operating system.
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For U & Me - Recruitment Trends
“We are where we are because of open source technology"
Though open source technology has become commonplace now, there are companies hesitant
about adopting it. The open source journey of
Medma Infomatix Pvt Ltd should be an inspiration to them. Though Medma chose open source technology to get out of a ‘mess' created by proprietary technology, the former has become fundamental to the company’s business model now, proving to be a good source of revenue.
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