I am trying to track down a thread-safety problem in one of my programs. Valgrind when run as “valgrind –tool=helgrind ./thread-test” claims that there is a problem with the following program (the Valgrind errors are at the end of the post). The SGI documents state [1]: “The SGI implementation of STL is thread-safe only in […]
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A client is considering some options for serious deployment of some CPU intensive work. The options that are being considered include cloud computing (Amazon EC2 [1]), virtual machines (Slicehost [2] and Linode [3]), and purchasing servers to install in racks at various locations. I can’t disclose the criteria that will determine when each of those […] I have just been asked for advice about “secure filesystem” and decided to blog my answers. The first issue is what is meant by “secure filesystem, that could either mean the ability to restrict file access (EG by supporting SE Linux security contexts and using SE Linux for file access control) or the ability to […] I previously described four levels of SE Linux support on the desktop [1]. Last night I updated my APT repository of SE Linux packages for Lenny (as described on my document about installing SE Linux [2]). I included a new policy package that supports logging in to a graphical session via gdm in either unconfined_t […] Recently there has been increasing attention paid to thermal issues. The power used by computers not only impacts the electricity bill (and battery life for a portable device) but is a cooling problem. The waste heat from desktop systems and servers costs energy (and therefore money) to remove by the air-conditioning system and the heat […] On Tuesday afternoon I gave a talk on behalf of KaiGai Kohei about SE Linux and the LAPP (Linux Apache, PostgreSQL, PHP/Perl) stack. KaiGai has blogged about this [1], unfortunately Google Translation does a poor job of Japanese and has particular problems with KaiGai’s work (could anyone who knows Japanese and English well please submit […] |
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