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Displaying posts with tag: debian (reset)
On LVM: How to setup Volume Groups and Logical Volumes.

LVM (Logical Volume Management) is a very important tool to have in the toolkit of a MySQL DBA. It allows you to create and extend logical volumes on the fly. This allows me to, say, add another disk and extend a partition effortlessly. The other very important feature is the ability to take snapshots, that you can then use for backups. All in all its a must have tool. Hence, this guide will allow you to understand various terminologies associated with LVM, together with setting up LVM volumes and in a later part will also show you how to extend...

slides from the ‚From MySQL to MariaDB‘ presentation

As announced, I held a short talk on switching from MySQL community edition (especially 5.1) to MariaDB (currently 5.2.6) at this years LinuxTag in Berlin. Here are the (German) slides for reference: (In case you cannot see the embedded presentation, … Weiterlesen →

Short talk on MariaDB at Linuxtag 2011

If you happen to be around at this years LinuxTag 2011 in Berlin/Germany, you are invited to attend my short talk on MariaDB as a drop-in replacement for MySQL. The talk focusses on differences between MySQL Community Edition and MariaDB … Weiterlesen →

Installing Cherokee With PHP5 And MySQL Support On Debian Squeeze

Installing Cherokee With PHP5 And MySQL Support On Debian Squeeze

Cherokee is a very fast, flexible and easy to configure Web Server. It supports the widespread technologies nowadays: FastCGI, SCGI, PHP, CGI, TLS and SSL encrypted connections, virtual hosts, authentication, on the fly encoding, load balancing, Apache compatible log files, and much more. This tutorial shows how you can install Cherokee on a Debian Squeeze server with PHP5 support (through FastCGI) and MySQL support.

MySQL source tree available in Debian as binary package

MySQL supports a plugin interface since 5.1, which enables creation of server components. Plugins can be loaded at server startup, or loaded and unloaded at runtime without restarting the server. Most of these plugins require the full MySQL source tree during their build, which was not available in Debian as a binary package until I uploaded 5.1.54-2 to unstable last week. I had this item on my TODO list since MySQL 5.1 was uploaded to Debian unstable, because it is not possible for a Debian source package to build-depend on another source package. Thankfully, Clint Byrum from Ubuntu sent me a small patch which added the new binary package.

The first package making use of the new …

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MySQL 5.5 and Debian

Since MySQL 5.5 was declared stable in December last year, I regulary receive e-mails from people asking when it will get uploaded to Debian. The good thing is that the initial conversion from automake to cmake has already been done by Clint Byrum from Ubuntu, and we are going to use his work as a basis for our packages. The not so good thing is bug #59078, an issue in libmysqlclient which breaks ABI compatibility. According to Lenz Grimmer from Oracle the MySQL upstream developers are already looking at it.

I am still not sure if it is a good idea to upload MySQL 5.5 in the current state to experimental, but I am definitely not going to upload it to unstable until this issue is fixed.

Update: I just …

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Cluster Stack update for Debian

Last week, the Linux-HA project made its Heartbeat 3.0.4 and Cluster Glue 1.0.7 release, and Pacemaker released 1.0.10 a few weeks back. Thanks to the amazing Simon Horman (horms to IRC regulars), those releases have been uploaded to Debian unstable (sid) yesterday.

What’s sid?

sid is the permanent code name of the Debian unstable distribution. It’s where package maintainers upload fresh builds and maintain the latest versions of distribution packages. It’s not meant for general consumption, …

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Howto setup MySQL on a DRBD volume

One more DRBD tutorial, this time I will describe howto setup MySQL with DRBD (Distributed Replicated Block Device). Purpose This document describes how to to setup a failover system with MySQL and DRBD (Distributed Replicated Block Device). Introduction In this tutorial we will setup two Debian Linux nodes with a DRBD volume. MySQL will be [...]

Recently in MariaDB #2

There has been a lot happening in the MariaDB community recently, and there has been growth. Here are some of the highlights. Thank you to all our current contributors, and to others that want to contribute, shoot community[at]askmonty[dot]org an e-mail.

MariaDB 5.2.3 binaries for Solaris and Debian Sparc

Our Sparc community contributor, Mark, has continued to make popular binaries for Solaris 10 and Debian Sparc. He’s kept up to speed with MariaDB 5.2.3, so please visit him and download the binaries.

MariaDB 5.2.3 on the openSUSE Build Service

Community contributor Michal Hrušecký has packaged MariaDB for openSUSE and its available via the …

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Hadoop Cluster Setup on Debian Lenny

Today I will describe the setup of a Hadoop / HDSF multi-node cluster on Debian Lenny with a redundant Namenode using DRBD and Heartbeat, four Datanodes and Tasktracker, a Backup- Checkpointnode and Rack awareness.

Hadoop Cluster Setup on Debian Lenny purposes

This article descibes how to setup a hadoop (version 0.21.0) cluster on debian lenny (version 5.x). I will not describe how to use MapReduce.


Hadoop is a framework for distributed computing written in Java. The project includs the following subprojects:

  • HDFS: A distributed file system
  • MapReduce: A framework for distributed large data processing

list of references

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