Currently Browsing System Administration
Changing server ip addresses
OK, so I changed my virtual server ip address in response to my host being allocated a new block of IPs. Anyhow, things seem to have gone ok. I changed DNS timeouts to short, waited, updated everything etc etc… Of course, it seems that there are always some DNS servers here and there that don’t [...]
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Why and How to use OpenDNS.com
I’ve been recommending to friends and family that they use OpenDNS.com to help safeguard their homes from adult content. A few things have changed since I originally started using their service and I thought I’d write up a little article to help everyone understand. Lets start with the “why”. I’m not going to focus on [...]
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Upgrading Gentoo 2007.0 to 10.0
So I left all these servers running gentoo a couple years ago. Now, after all this time (and uptime!), I want to install something. Error: emerge -av portage These are the packages that would be merged, in order: Calculating dependencies | !!! All ebuilds that could satisfy ">=dev-lang/python-2.5" have been masked. !!! [...]
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Cleaning up extracted package contents
I hate it when I download a source archive, uncompress it, and find that instead of creating a package directory, with the contents of the archive, the archive was created with a bunch of files at the root directory. Suppose I have a downloads directory with lots of archives. After I uncompress this new archive, [...]
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Adding more disk space with LVM2
I’ve always known that virtualizing things can make management of all types of resources easier. Recently, I had the most pleasant experience adding disk space to a virtual machine. Of course, if you use LVM, this can happen just as easily with real physical disks, but for me, I was able to do this without [...]
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Quick SSH Tip
I’d wager many of you know this already. Having done this a couple times the last two days though, I thought I’d add it for those that don’t. Maybe it’s useful to someone. Problem: You want to log into a remote server with SSH and you don’t want to type a password. You know about [...]
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