Wietse Venema, the developer of Postfix, points in an advisory to a security problem in connection with the Linux and Solaris filesystems. As more recent versions of these operating systems no longer comply with the POSIX standard for links, local attackers may be able to attach files to other users' Postfix mailboxes.
Kernel developer Greg Kroah-Hartman recently announce the latest stable kernel version. The Minor Update 2.6.26.1 contains bugfixes, updates, and new drivers.
Your homepage was just linked by Slashdot, a new email campaign goes out tonight, and you need the database to deliver survey results. We’ll show you how to help your servers survive the strain.
Even if you are not a programmer, you’ve probably heard of Subversion, a powerful tool for managing changes to software projects. Although Subversion is designed primarily for software developers, it can be useful to mere mortals as well.
How much power is your system really using? And how much can you actually save with the new generation of energy-conserving techniques and components? This month we study the phenomenon known as Green IT.
Horror stories are full of scary characters knocking on doors at night. On Linux, we just call this port knocking, and it can actually be quite useful.
Where is all the energy going? This month we examine power consumption in Linux. You’ll learn which system components use the most power, and we’ll help you sort fact from fiction in the new w...
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Look here for archived tutorials and talks from USENIX Security '08. Each comprises a video and recorded presentation slides which are shown parallel to the talk.
