| Recent Articles |
Basic DNS: PTR Records and Why You Care
A PTR record is what lets someone do a "reverse" DNS lookup - that is, they have your IP address and want to know what your host/domain is. At any Unix/Linux command line, you can use "dig -x" to do a reverse lookup
Hardening your Kernel with OpenWall
I read about this in Hardening Linux by James Turnbull. The patch that most interested me was to prevent executable code from running in the stack. That won't prevent all buffer overflow attacks, but it can stop some of them.
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| 04.19.05
SCO Loss is No Surprise
SCO lost money in its first quarter ended January 31, a revelation that's going to come as no surprise to anybody.
Complaining of "continued competitive pressures" on its Unix line, a thinly veiled reference to Linux, which is supposed to have poached its IP, SCO said revenues had slipped to $8.9 million, down from $11.4 million year-over-year.
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Success Breeds Change
There are worse careers than being a "pundit" or "analyst." If you've got the knack for brevity and pithiness, the world beats a path to your door. But sometimes an angry mob beats a path to your door, too. For any preference people can have, a vocal and irritating group that holds that preference will be demonstrably loony.
So when we heard that Gartner analyst George Weiss had said of Linux penetration into the enterprise, "If there are show stoppers or hurdles it would be more in the process of what's going in the community," we pricked up our ears.
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Sun, HP tout big Unix server wins
JPMC is a huge user of IBM mainframes and Unix kit of just about every stripe, but had a particularly large installation of Sparc/Solaris servers that it built up over the 1990s - just like so many other financial services firms.
While JPMC outsourced many IT operations a few years ago to IBM (and has subsequently moved many of those operations back inside the company) and was acquiring IBM's Power4 servers when Sun's Sparc platforms fell behind in performance and bang for the buck, Sun's improving Sun Fire product line and much-improved Solaris 10 platform seems to have got JPMC enthusiastic about Sun products again.
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UPS systems work under Unix and Linux
High availability power solutions provider MGE UPS Systems, a major contributor to the Network UPS Tools (NUT) Open Source project, is now delivering USB drivers for connecting UPS' under Unix/Linux.
This complements the UPS Network Management System which is also 100% compatible with Unix and Linux.
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