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At the moment there are ongoing security issues related to web based services and DNS hijacking. the Daily Ack has a good summary of the session hijacking issue [1]. For a long time it has been generally accepted that you should configure a DNS server to not allow random machines on the Internet to copy [...] Caleb Case (Ubuntu contributer and Tresys employee) has written about the benefits of using separate packages for SE Linux policy modules [1]. Firstly I think it’s useful to consider some other large packages that could be split into multiple packages. The first example that springs to mind is coreutils which used to be textutils, shellutils, [...] I’ve just visited the Australian Business and IT Expo (ABITE) [1]. I haven’t been to such an event for a while, but Peter Baker sent a link for a free ticket to the LUV mailing list and I was a bit bored to I attended. The event was a poor shadow on previous events that [...] When configuring servers the trade-offs between RAM and disk are well known. If your storage is a little slow then you can often alleviate the performance problems by installing more RAM for caching and to avoid swapping. If you have more than adequate disk IO capacity then you can over-commit memory and swap out the [...] For some time people have been telling me about the benefits of SpamAssassin (SA). I have installed it once for a client (at their demand and against my recommendation) but was not satisfied with the result (managing the spam folder was too complex for their users). The typical configuration of SA has it run after [...] In a discussion which covered some of the differences between Linux and Windows, a Windows using friend asked me if I felt compassion for Windows users. I feel some compassion for people who have bad working environments. While using an operating system that has poor support for the business tasks does decrease the quality of [...] One thing that I would like to get fixed for Lenny is the shared objects which can reduce the security of a system. Almost a year ago I blogged about the libsmpeg0 library which is listed as requiring an executable stack [1]. I submitted a two-line patch which fixes the problem while making no code [...] The command “xm list” displays the number of seconds of CPU time used by each Xen domain. This makes it easy to compare the CPU use of the various domains if they were all started at the same time (usually system boot). But is not very helpful if they were started at different times. I [...] |
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