PikoDrakův Blog

A webserver designed primarily for caching images I began "lagovat". I looked in the logs (/ var / log / messages) and there appeared "nf_conntrack: table full, dropping packet." This magic sentence, I could not sleep and I'm a little searching and found a solution. You must first determine how many connections you are allowed.
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Due to the deployment and virtualization ESXi5 I somehow multiplied the number of servers and had to begin to address the question of how to update them. Since time and decreasing for the last 2 years I had no problem with apt-get update and upgrade, I decided to travel approval and automatic installation. Everywhere I have Debian Squeeze stable.
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Given the basic properties of PHP (still in the source code is always translated) is suitable for congregations Web servers use one of the available PHP Accelerator. Short run, so that translated PHP script stored in the cache and when it does not call for translation, which actually reduces the load PHP by about 50% (the more or less, depending on the complexity of PHP scripts). Since the new PHP 5.3 is a problem with eAccelerator (so far I've used it). Xcache packages in Debian, and therefore it is not necessary translate to upgrade PHP.
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Today I prepared a really simple instructions on how to configure time synchronization on Debian within a few minutes.
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Today I wanted to HW because he wanted to try another kernel than the one in Debian Lenny stable. After adding the backport sources to me but it reported an error in the key as follows: The Following Could Be verified signatures Because the public key is not available: NO_PUBKEY XXXXXXXXXX.
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