Detecting Intruders Intro Looking for signs of a network attackMar 31, 2007
If you think your systems are too obscure for an attacker to worry about, think again. Today’s intruders are happy for any victim.more »
Blocking Spam Intro Facing down the masterminds of unsolicited Internet mailFeb 28, 2007
Spammers charge real money for their dubious services, and hundreds of advertisers are willing to pay. We’ll show you some innovative techniques for controlling and containing spam, including strategies for slowing down spam bots, keeping spammers from getting your address, and separating spam from legitimate email.more »
Commercial Mail Servers Testing the Axigen, Kerio, and Merak commercial mail serversNov 30, 2006
They run on Red Hat Enterprise Linux, cost money, and juggle email messages: these three commercial mail servers aim to convince admins they are worth the price.more »
Charly's Column The Sysadmin’s Daily Grind: ZsyncOct 31, 2006
Zsync handles a special case: large volume download files that change frequently but not drastically. Charly shows how this handy file fetcher can save you time and bandwidth.more »
BOINC Building distributed applications with BOINCSep 30, 2006
Grid computing lets little PCs work on big problems. You can use the grid system of the famous SETI@home project to build your own grid computing solutions.more »
Debian Hotplug Extending hotplug on Debian, SLES 9, and RHAS 4Sep 30, 2006
Debian hotplug is designed for little more than loading drivers and configuring devices. The collection of scripts discussed in this article helps Linux to respond when a network cable is plugged in or when a cellphone is in the vicinity. Read on for more on how to define custom hotplug events.more »
Mozilla’s script blocker add-on could be putting malware sites on the whitelist.
The Internet community officially banishes the notoriously unsafe Secure Sockets Layer protocol.
Popular desktop environment continues the Gnome 2 legacy – with new support for the Gnome 3 toolkit.
The Obama White House has issued a memorandum telling all US government agencies they must use HTTPS for all websites and web communication.
New program will dial up security for the Firefox browser.
Red Hat's community distro embraces the cloud.
New partnership will bring more and better CS training to US schools
Criminals offer online help over Tor network
Sophisticated malware is still present on Joomla and WordPress sites around the world.
Future versions of Ubuntu's code service will support the popular Git version control system used with Linux and other open source projects.