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In the past I have spent about 18 months living in hotels with a couple of months of breaks in between. I have previously written about it in terms of living in London hotels [1], but I have been asked for more generic advice. Firstly the amount of possessions that you may have when living […] SE Linux has a utility named restorecon to set (or reset) the security context. This is useful for many reasons, corrupted filesystems, users removing files or changing the context in inappropriate ways, and for re-creating files from tar files or backup programs that don’t restore SE Linux contexts. It can also be used to report […] November 13th, 2007 | Tags: Most Popular, Selinux | Category: Security | 10 comments - (Comments are closed) I’m setting up a training environment based on Xen. The configuration will probably be of use to some people so I’m including it below the fold. Please let me know if you have any ideas for improvements. The interface for the user has the following documentation: sudo -u root xen-manage create centos|debian [permissive] Create an […] November 7th, 2007 | Tags: Best Posts, Most Popular, Selinux | Category: Security, Virtualisation | Comments are closed Is Squid not returning some data you need on a SE Linux system? The default configuration of the SE Linux policy for Squid only allows it to connect to a small number of ports which are used for web servers. For example ports http (80) and https (443) are labelled as http_port_t which permits serves […] November 6th, 2007 | Tags: Most Popular, Selinux | Category: Security | 2 comments - (Comments are closed) I have just read an interesting article titled Why Crunch Mode Doesn’t Work [1] which documents the research on efficiency vs amount of time spent working (and by inference amount of time spent on leisure activities and sleep). It shows that a 40 hour working week was chosen by people who run factories (such as […] November 2nd, 2007 | Tags: Best Posts, Most Popular | Category: Career | 5 comments - (Comments are closed) Other Unix systems apparently calculate the load average differently to Linux. According to the Wikipedia page about Load(computing) [1] most Unix systems calculate it based on the average number of processes that are using a CPU or available for scheduling on a CPU while Linux also includes the count of processes that are blocked on […] November 1st, 2007 | Tags: Best Posts, Most Popular | Category: unix-tips | 5 comments - (Comments are closed) I have previously posted about the difference between using a chroot and using SE Linux [1]. Theo de Raadt claims that virtualisation does not provide security benefits [2] based on the idea that the Xen hypervisor may have security related bugs. From my understanding of Xen a successful exploit of a Xen system with a […] October 28th, 2007 | Tags: Best Posts, Most Popular, Selinux | Category: Security, Virtualisation | 3 comments - (Comments are closed) I am amazed that I had never read the article Caring for Your Introvert [1] before. One of the interesting points concerned acting like an extrovert (I can do it for the duration of a typical job interview). Another was the issue of recovery time after having to deal with people. When living in hotels […] October 16th, 2007 | Tags: Most Popular | Category: Uncategorized | 9 comments - (Comments are closed) I was recently browsing an electronics store and noticed some laptops designed for children advertised at $50AU. These machines were vastly different from what most of us think of when the term laptop is used, they had tiny screens, flimsy keyboards, no IO devices, and a small set of proprietary programs. It was more of […] Dreamhost have refused my request (under the DMCA) to be correctly identified as the author of content copied from my blog. I am publishing this so that anyone else who deals with them will know what to expect. Also if someone wishes to sue Dreamhost in regard to content that they host this may help […] |
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