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Linux

Technical resources for Linux programmers and system administrators

Configure network-to-network and point-to-point VPN connections with IPSEC in Linux

Investigate the design principles, the basis for deploying VPN, and the IPSEC protocol concept, including a description of the general features of IPSEC and of the mechanisms required for its implementation.  More >

Tabs showing featured content, building on Linux with IBM, and Linux blueprints for developerWorks Linux technology zone.

15 May 2012 — Show descriptions | Hide descriptions

  • Secure WiFi on your cheap wireless router with DD-WRT and Linux

    Linux shows up in the most surprising places. Turn your consumer-grade internet router into a networking powerhouse with commercial powers by replacing the existing firmware with DD-WRT in this article.

  • Protect your data at the speed of light with gKrypt

    Rev up your encryption and security with the gKrypt engine in this two-part series. Continue this two-part series about leveraging graphics processors to carry the load of encryption and decryption with AES and CUDA.

  • Meet six misunderstood Ruby features

    When you switch languages from C++ to Ruby it can be frustrating that some of the functionality is just a little different. Arpan Sen examines the features which seem to give developers the most trouble.

  • Run apps on Linux from both the command line and the desktop

    Kickstart your Linux skills for using applications with skill crossover from previous Windows experience.

  • Enable multiuser logins with VNC

    Help your users access a multiuser Linux system from anywhere. Virtual Network Computing (VNC) is a free, open source tool for remotely accessing machines whether they are physical or virtual. Learn how to provide access for multiple users in this article by Roderick Smith.

  • Protect your data at the speed of light with gKrypt, Part 1

    Rev up your encryption and security with the gKrypt engine in this two-part series. Look at the AES, the GPU port of the Rijndael algorithm for Linux, the parallelizing of the AES algorithm, and the usage of the gKrypt Engine supporting CUDA for NVIDIA-based GPUs.


Recognizing developerWorks author Uche Ogbuji
Uche Ogbuji is partner at Zepheira where he oversees creation of sophisticated web catalogs and other richly contextual databases. He's worked in advanced web technologies such as XML, semantic web and web services, open source projects such as Akara. He is a computer engineer and writer born in Nigeria, living and working near Boulder, Colorado, USA.
See all of Uche's developerWorks content
See Uche's developerWorks profile.

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