Category: Linux
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Server Backups to S3
Backing Up Your Server, Locally and Remotely After my recent hard drive failure, improving my backup strategy was high on my list. My server has two drives, so what I wanted was a local backup on the second drive for quick recovery in case the primary drive failed, and a remote backup somewhere in case…
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ATG SEO – Tools and Traffic
SEO Tools Other than using lynx to test your site, there are several other tools I would recommend utilizing in your quest for better SEO. One great tool is the SEO Analysis Tool from SEOWorkers.com. This tool quickly analyzes the page, and provides excellent reports on the size and relevancy of your meta tags. It…
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Setting Up SPF, SenderId, Domain Keys, and DKIM
If you run a mail server, and if you hate spam, you should setup your mail server to make use of all the best anti-spam tools available. There are two sides to spam, sending and receiving. On the receiving side, you have things like blacklists, spamassassin, bayesian filtering, and lots more. I’ll probably cover this…
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Why I love Debian (and PostgreSQL)
I woke up this morning, got online through my new UMTS/HSPDA modem, and discovered that one of my servers had a load average of 239+ Not the best way to start the day. Turns out an rsync backup job between two servers had gone nuts and was spinning them up through the roof. A couple…
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Using IPTables to Prevent SSH Brute Force Attacks
If you have a server with a world facing ssh server, you’ve probably seen brute force attacks in your logs. Some machine starts hammering your ssh server, trying all sorts of logins (staff, root, a, admin, etc…) over and over and over again. This is bad on a lot of fronts. I use two simple…
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13 Steps to peace of mind
If you’re uptight about uptime, if you’re anxious about availability, if you nervously watching Nagios, have I got the program for you. Forget 12 step programs, mine has 13! First let’s talk load balancing. Load balancing is basically distributing some type of load across multiple servers or resources. For the sake of simplicity, we’ll assume…