Block crackers with 3 locks to your SSH door (18 Oct 2010)
1 Jan 1970 12:00am GMT Security always requires a multi-layered scheme. SSH is a good example of this. Methods range from simple sshd configuration through the use of PAM to specify who can use SSH, to application of port-knocking techniques, or to hide the fact that SSH access even exists. Applying these techniques can make life much harder for possible intruders, who will have to go past three unusual barriers."Learn 3 ways of hardening SSH access to your system to block would-be crackers"
Bazaar: source control system (15 Oct 2010)
1 Jan 1970 12:00am GMT Bazaar is used to produce the Ubuntu Linux distribution, which is an enormous software project with thousands of components. If you're using a UNIX or Linux system, chances are that your distribution offers a pre-built Bazaar package. Bazaar is flexible enough to accommodate Subversion - a centralized system and Git - a decentralized system. This article introduces you to Bazaar's many appealing features."Intro to Bazaar, a great place to keep your code"
User space memory access from the Linux kernel (13 Oct 2010)
1 Jan 1970 12:00am GMT As the kernel and user space exist in different virtual address spaces, there are special considerations for moving data between them. Explore the ideas behind virtual address spaces and the kernel APIs for data movement to and from user space, and learn some of the other mapping techniques used to map memory."An introduction to Linux memory and user space APIs"
Techniques for migrating Perl to Python (11 Oct 2010)
1 Jan 1970 12:00am GMT Python programmers shouldn't get too smug. While many people agree that Python is designed in a way that makes it a highly readable language, there can still be problems with legacy, untested Python code too. Porting legacy Perl to Python can be a daunting task. In this article, learn some of the theory behind dealing with legacy code, including what not to do."Techniques for migrating legacy, untested Perl to Python"
New AIX 7 capabilities for virtualization (8 Oct 2010)
1 Jan 1970 12:00am GMT The IBM AIX operating system provides a highly scalable IT infrastructure for client workloads. Learn about the latest version, AIX 7.1, an open standards-based UNIX operating system, that includes significant new capabilities for virtualization, security features, availability features, and manageability."Learn about the latest version of AIX 7.1 - an open standards-based UNIX operating system"