Long Long time ago I wrote how I migrated from Xen to OpenVZ. This post will show you how to manage your VE memory.
First you set the veid=yournumberofve and the rest is copy paste ; Look at the examples:
A PHP-accelerator is a PHP extension designed to improve the performance of software applications written in the PHP language.
Most PHP accelerators work by caching the compiled p-code (portable code) of PHP-Scripts to avoid the overhead of reparsing and recompiling source code on each request made for example by a stupid bot.
APC is free, open source framework that optimizes PHP intermediate code and caches data and compiled code from the PHP bytecode compiler in shared memory. APC is quickly becoming the de-facto standard PHP caching mechanism as it will be included built-in to the core of PHP starting with PHP 6 < - Great news! [Read more…]
Calculating LED resistor value, this is very easy and the most of you had this in the school.
A typical LED requires 20 mA and has a voltage of 2 V across it when it is working. The power supply for the circuit could be 9 V – Block battery.
For the right calculation you need three values:
1. Power supply (Your Battery 9 V)
2. LED voltage (2 V)
3. The current flowing (20 mA)
On June 8, 2011 was world IPv6 day and I shared some VPS boxes. Only one guy wants Ubuntu 11.04 – no problem he get it.
I was painfully remembered that Ubuntu.com has still some problems with AAAA record for security.ubuntu.com… They have no records:) [Read more…]
If you have a mail server at home and your Internet service provider (ISP) has no right PTR record for your assigned IP, you will get trouble the most mail servers will reject you.
Some best examples for mail rejection: gmx.de, mail.ru
This problem can be solved [Read more…]