A Beginner’s Guide to Grep: Basics and Regular Expressions
Grep is one among the system administrator’s “Swiss Army knife” set of tools, and is extremely useful to search for strings and patterns in a group of files, or even sub-folders. This article…
iLinuxBot: Designing Botnets to Manage Linux Clients
This article is to encourage newbies to use a little creativity to solve real-world problems. It shows you how to manage a Linux lab, or a lot of Linux PCs, from one machine….
Installing and Using PostgreSQL Modules
In this article, we will learn how to install and use the PostgreSQL modules chkpass, fuzzystrmatch, isn and hstore. Modules add different capabilities to a database, like admin and monitoring tools, new data…
An Interview with Richard Stallman on Freedom, Android, Amazon, Facebook, Steve Jobs…
Any government that tells people to teach proprietary software is essentially delivering the country into the hands of a company. Before you even speak a word before RMS (as Richard M Stallman is…
Hackers and the Open Source Revolution
This piece corrects the confusion created by mainstream media between “hacker” and “cracker”. It also considers the history, nature, attributes, ethics and attire of hackers, plus more. Interested in being one yourself, or…
The Socket API, Part 4: Datagrams
Let’s try to develop server clients using UDP, the protocol behind some important services like DNS, NFS, etc. UDP, the User Datagram Protocol, is a connectionless protocol. This means you don’t establish a…
Joy of Programming: The Legacy of C
Dennis Ritchie died on the 8th of October 2011, at the age of 70. His lasting contributions to computing include creating the C language, and co-creating the UNIX operating system. In his memory,…
CodeSport (November 2011)
In this month’s column, we will continue our discussion on some of the common loop optimisations performed by the compiler. In last month’s column, I had presented a coding snippet (shown below) and…
GNU Binutils: A Collection of Binary Tools
With years of experience as a systems programming engineer, I’ve realised that to be a great artist of programming, you must understand the basics of source code, output files, linkers etc. So let’s…
The Socket API, Part 3: Concurrent Servers
In this part of the series, we will learn how to deal with multiple clients connected to the server. Welcome to another dose of socket programming! Till now, we’ve created servers that are…
May 21, 2013
Peter — Hi I followed the steps but on bootup of qemu it hangs at "Stopping configure virtual network devices, waiting for...
May 20, 2013
Aseem — can u just elaborate this part "edit the output file to include only the hash value. (It should only include...
May 19, 2013
raghu ram — Hi Anil, Your articles are awesome Please give some tutorials on PCI Sound Card drivers using ALSA.
May 18, 2013
MF Hussain — Best training center in bangalore for RHCE is Linuxlearningcenter they train only on REDHAT....
May 17, 2013
santosh yadav — hello everyone!
i am trying to do gpio access and encounter segmentation fault.
so to overcome it i will have to map...
