Apache Archives - The Silicon Underground David L. Farquhar on technology old and new, computer security, and more Sun, 28 Jan 2018 21:36:02 +0000 en-US hourly 1 https://kerosin.digital/rss-chimp16321610 Add SSL to WordPress https://dfarq.homeip.net/add-ssl-to-wordpress/?utm_source=rss&utm_medium=rss&utm_campaign=add-ssl-to-wordpress Fri, 20 Oct 2017 11:00:37 +0000 https://dfarq.homeip.net/?p=15399 I had to add SSL to WordPress recently. I’d tried it before without success, but this time it was surprisingly easy. My downtime was minutes, at most, and I saw a small bump in traffic within days. My walkthrough assumes

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Finding and blocking an abusive host from your Apache log https://dfarq.homeip.net/blocking-abusive-host-apache/?utm_source=rss&utm_medium=rss&utm_campaign=blocking-abusive-host-apache Thu, 17 Aug 2017 13:07:41 +0000 https://dfarq.homeip.net/?p=14746 My web site slowed to a crawl last night, my CPU usage soared to 100%, and my built-in security measures weren’t helping. I ended up having to do some old-school Linux sysadmin work to stop them. I haven’t been an

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Another easy Apache tweak https://dfarq.homeip.net/another-easy-apache-tweak/?utm_source=rss&utm_medium=rss&utm_campaign=another-easy-apache-tweak Wed, 20 Feb 2013 20:30:34 +0000 https://dfarq.homeip.net/?p=6377 I ran my site through Google Page Speed on Tuesday, and scored a surprising 88 out of 100–higher than I expected. Getting above 90 is going to take some optimizations on files that WordPress updates may change, so I’m hesitant

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Use Apachebench to test your webserver optimizations https://dfarq.homeip.net/use-apachebench-to-test-your-webserver-optimizations/?utm_source=rss&utm_medium=rss&utm_campaign=use-apachebench-to-test-your-webserver-optimizations Thu, 14 Feb 2013 10:18:05 +0000 https://dfarq.homeip.net/?p=6338 If your web server is slow and you want to fix it, it’s nice to be able to quantify what you got. Enter Apachebench, which is part of Apache and probably already on your server. The Apachebench caveat Usage is

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DROP DATABASE wordpress; https://dfarq.homeip.net/drop-database-wordpress/?utm_source=rss&utm_medium=rss&utm_campaign=drop-database-wordpress Thu, 07 Feb 2013 23:55:02 +0000 https://dfarq.homeip.net/?p=6331 This week, I doubled back down in earnest to get my webserver running on the hardware I bought a year ago. After  getting Apache, PHP and MySQL installed on the box and playing together nice, I installed WordPress and got

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Tag your imported WordPress content with Simple Tags https://dfarq.homeip.net/tag-your-imported-wordpress-content-with-simple-tags/?utm_source=rss&utm_medium=rss&utm_campaign=tag-your-imported-wordpress-content-with-simple-tags Sun, 03 Feb 2013 11:27:49 +0000 https://dfarq.homeip.net/?p=6315 Unlike many bloggers, I blogged for a decade before moving to WordPress. That meant I had a pile of old posts with no tags on them. One of the nice things about WordPress is that you can use the tags

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Four simple steps to optimize WordPress https://dfarq.homeip.net/four-simple-steps-to-optimize-wordpress/?utm_source=rss&utm_medium=rss&utm_campaign=four-simple-steps-to-optimize-wordpress Fri, 01 Feb 2013 10:02:19 +0000 https://dfarq.homeip.net/?p=6308 A couple of years ago, I stood up a WordPress server. I made no effort to tune it, let alone turbocharge it, which is a decision I later came to regret. If your site gets more than a few hundred

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A minor (but vital) Apache performance tweak https://dfarq.homeip.net/a-minor-but-vital-apache-performance-tweak/?utm_source=rss&utm_medium=rss&utm_campaign=a-minor-but-vital-apache-performance-tweak Sun, 27 Jan 2013 15:57:54 +0000 https://dfarq.homeip.net/?p=6295 My problems seem to have become more rare since I started blocking spambots and tuned PHP and Apache but last night my server ran out of memory again and started timing out. It turns out I still had a critical

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Cutting Apache preforks seems to help small web servers https://dfarq.homeip.net/cutting-apache-preforks-seems-to-help-small-web-servers/?utm_source=rss&utm_medium=rss&utm_campaign=cutting-apache-preforks-seems-to-help-small-web-servers Fri, 30 Nov 2012 11:05:41 +0000 https://dfarq.homeip.net/?p=6103 I’ve had a ton of downtime this week (this seems to be the busy time of year for my web server), but I think I traced the problem to a known issue. My server has a 1.5 GHz single-core CPU

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Webserver Wednesday https://dfarq.homeip.net/webserver-wednesday/?utm_source=rss&utm_medium=rss&utm_campaign=webserver-wednesday Thu, 01 Sep 2011 12:14:17 +0000 https://dfarq.homeip.net/?p=4082 Yesterday must have been Webserver Wednesdsay, because two things happened. A new version of Apache was released, and a new tool for testing the vulnerability of webservers to denial of service (DoS) was released. First, Apache 2.2.20 was released. This

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