I often say there are only two types of data: data that is backed up, and data that is waiting to be lost. Even if you’re the most contentious hax0r who always backs up your data, if your backups are stored in the same physical location as the source data, then your data is still ”waiting [...]
READ MORE »Another quick tidbit I learned when one of my CentOS boxes was slow to connect via SSH. Connection happened quickly when I would connect from a box on the same router, but connecting from my home machine caused a delay of 20-30 seconds each time. The fix was uncommenting this line in /etc/ssh/sshd_config: #UseDNS yes [...]
READ MORE »This is one of those blog posts that’s more written for my own benefit to refer to later than for the benefit of the Web-at-large, but if someone else happens to stumble upon it and it helps you out, then cool. I had to migrate a Fedora box (the one that hosts my blog, actually) [...]
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For those who want or need to compile and install OpenDKIM from the source code, you can follow the instructions I wrote in this article. If you’re looking for the fastest and easiest way to get OpenDKIM running on a RedHat system, I currently maintain the OpenDKIM package in the Fedora and EPEL repositories. This article [...]
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There’s a lot of conflicting information out there on how to install the APC opcode cache on a CentOS 5.6 box. Here’s how I did it:
READ MORE »You don’t need a Windows Media Center PC to share pictures, videos, or music with an Xbox 360. If you’ve got a Fedora / RHEL/ CentOS box on your home network and you’d like to use it as a UPnP and DLNA Media Server so that you can stream files to your Xbox 360 or [...]
READ MORE »Before proceeding with this tutorial, and at the risk of possibly overstating what is obvious to some, I want to make three things clear:
READ MORE »This blog post builds on the same workaround explained in my older post about how to install the 32-bit version of Dell OMSA 6.3 on a 64-bit version of RHEL / CentOS 5.5 on a PowerEdge server so you can manage a PERC 4 RAID adapter. Dell’s newer OMSA 6.4 has the same issue that [...]
READ MORE »CentOS 5 (a non-commercial clone of RedHat’s RHEL 5) is my server operating system of choice because it’s extremely stable and widely-used. One of the reasons it’s so stable is because the built-in software packages (and the software updates from the standard repositories) are generally (although there are always exceptions) older, more widely tested, patched, [...]
READ MORE »UPDATE: If you’d like to run the newer OMSA 6.4, please read this updated blog post. If you’d rather install OMSA 6.3, then please continue! If you’re running a 64bit version of RHEL 5.5 or CentOS 5.5 on a slightly older Dell PowerEdge server with a PERC 4 or earlier RAID adapter, then you’re going [...]
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