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tag: sysadmin

HardwareReviewsSystem Administration

Zalman ZM-VE200 Review – You Need This External Hard Drive Enclosure

Fellow tech friends, I have a find for you. If you have a job, or hobby, or whatever where you find yourself meddling with a bunch of .iso files, whether to boot off of them or just to access the data on them, then I have the device for you. It all started after I […]

The first inkling that I had a problem with a DDoS (Distributed Denial of Service) attack was a note sent to my inbox:

lfd on High 5 minute load average alert – 89.14

My initial thought was that a site on my server was getting Slashdotted or encountering the Digg or Reddit effect. I run Chartbeat on several sites where this occasionally happens and I will usually get an alert from them first. A quick look at the Extended status page from Apache showed that I had a much different kind of problem.

You’ve flashed your old WRT54G or other vanilla router with the Tomato firmware. This itself turns your router into a lean, mean routing machine with QOS, SSH and more, but let’s say we want to take it a bit further. What it we want to get some more stats out of it? In order to […]

Readers should note that this applies to Ubuntu 8.10 Intrepid Ibex only! ZFS is a relatively new filesystem created by Sun. It is released under the CDDL License which is incompatible with Linux’s GPL License, meaning that it can not be installed natively in the kernel. Therefore, for not it is relegated to addon packages […]

I recently tried to install a PHP PECL extension on a server I manage, when I received this error: [root@xxxx PDO-1.0.3]# pecl install pdo downloading PDO-1.0.3.tgz … Starting to download PDO-1.0.3.tgz (52,613 bytes) ………….done: 52,613 bytes 12 source files, building running: phpize Configuring for: PHP Api Version:         20041225 Zend Module Api No:      20060613 Zend Extension […]

Updated on 8/26/2008 with corrected information! Window’s simple shutdown command works well, but has some major drawbacks. The major one is that it will only schedule a reboot up to 10 minutes into the future (600 seconds). Linux’s shutdown command makes this easy, just issue the command ‘shutdown -r +60’ for example to reboot an […]