Another different method to create your backups over network, a client data establish a connection to a rsync daemon server.
I describe a simple method without authentication (trusted LAN). [Read more…]
DRBD master/slave setup
In the last time I get a lot questions and feedback to some older posts (Active/Passive Cluster) where I used DRBD. And actually I never wrote how to setup DRBD and I try to fill this gap now. Also this post will be a new ground for some new ideas and posts related to Active/Passive Clustering with KVM.
DRBD (Distributed Replicated Block Device) is a really cool cluster solution to have radundant data on two or more nodes. Everybody know RAID, DRBD is like RAID 1 over network.
[Read more…]
Nginx charset
I set up a new virtual host on my nginx web-server only for directory listing of my iso-image collection.
Some of my folders had cyrillic names and they were unfortunately not readable:
With a tiny (charset) option its possible to force a specific charset, here it is: [Read more…]
OpenVZ adjust RAM
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:
[Read more…]
APC – Alternative PHP Cache
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…]
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