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Hamachi on Gentoo

By Alex Brandt On 2010/09/27 · Add Comment · In Linux Guides
Introduction Hamachi is a lightweight personal VPN connector that is a breeze to setup but there can be some pain if you don’t know what to expect. As always Gentoo provides us with an ebuild that simplifies the installation process but getting up and running is still a little confusing. Installation and Setup User Specific [...]
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Bind Mount and Uses to Avoid

By Alex Brandt On 2010/09/19 · Add Comment · In Linux Guides
Introduction Not overly recently, I was asked to configure a chroot jail by setting up bind mounts instead of copying over the correct binaries. The incident caused a really interesting system failure, a wake-up call to myself, and an ambitious project to create an autochroot command (more later). The Back Story When setting up a [...]
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Gentoo Hardened [Mostly] Ready for Servers

By Alex Brandt On 2010/09/19 · Add Comment · In Linux Guides
Introduction I’ve been using the minimal “server” profile on my Gentoo servers for a few years now (Ever since I first found out that hardened didn’t support the glibc version that the stage tarballs used).  This profile has been excellent for the minimal needs of a headless server but it constantly reminded me that I [...]
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Deliver and Forward with Postfix

By Alex Brandt On 2010/09/15 · 1 Comment · In Linux Guides
Introduction At times it would not only be nice but it is also necessary to have the ability to locally deliver mail for a domain as well as forward that mail to another domain (migrations, mail as a service, etc). How does one go about configuring postfix in such a way that it is able [...]
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What is Load Average?

By Alex Brandt On 2010/09/09 · 2 Comments · In Linux Guides
Introduction Often in administration people make reference to a magic number known as load average but it’s not always clear what this number means (besides being a magical indicator of whether or not the server is going to barf in a terrible fashion soon). This number doesn’t have a whole lot of detail in and [...]
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