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Installation/Migration - Mysql 5.1 with the official binaries

Latest update on March 12, 2010 at 08:50 AM by jak58 .

Steps

Many persons prefer to install MySQL from the binaries compiled with Mysql, rather than using packages (rpm, apt, ...):
As

Installing the packages in directories of your choice, it quite difficult
It depends on the frequency of updating those packages: Unable to test a new version
Sometimes you want to install multiple versions and switch easily from one to another but when an update is available and that you install it how can I go, how will you revert the changes in case of problems

The alternatives are:
compiling the source code, is sometimes complicated and the result could reveal to be less performant that using the orignal source code of Mysql ...
use binaries compiled by Mysql ( the topic that we shall discuss below).

Note that this manipulation will take less than 15 minutes, and gives you a fresh installation of Mysql

Note: The following steps can make a clean install, if you want to migrate, just skip the setup steps, setting up data files, ...

Assume that:

Installation will be in/usr/ local
You have sufficient rights on the server
The Unix user will be "Mysql" (existing account)

Steps

Retrieve binary mysql

1) Retrieve binary mysql: here we take an Intel 64bit Linux server

Cd/usr/local /
> Wget http://mirrors.ircam.fr/pub/mysql/Downloads/MySQL-5.1/mysql-5.1.39-linux-x86_64-glibc

Decompression

2)Decompression:

 tar zxvf /usr/local/mysql-5.1.39-linux-x86_64-glibc23.tar.gz

This creates the directory

> /usr/local/mysql-5.1.39-linux-x86_64-glibc2

Creating symlink mysql

3) Creating symlink mysql: it suffices to repeat this step for change at a version update (upgrade) for example.
- ```
ln -s mysql-5.1.39-linux-x86_64-glibc23/ mysql
```

Rights Assignment:

4)Rights Assignment:
- ```
Cd / usr / local / mysql  
```

Chown-R mysql. Chgrp-R mysql.

Implementation of the configuration file

5)Implementation of the configuration file in /etc/my.cnf: Many examples are provided with the binaries, just pick one. Here, we take the "mysql-huge" which is suitable for machines with 4GB RAM
- ```
cp support-files/my-huge.cnf /etc/my.cnf
```

Configuration

6)Your Configuration: Edit the file the: /etc/my.cnf, and decide at least the directory that contains your data (datadir): By default, it is > /usr/local/mysql/data/
- ```
[mysqld] 
```

user = mysql basedir = /usr/local/mysql datadir = /mon/repertoire/mysql

7) Set up the init.d script that will stop/relaunch Mysql (start, stop, restart, ...)
- ```
> cp support-files/mysql.server /etc/init.d/mysql
```
- Then as a precaution to edit this file to the correct datadir (datadir =...)

8) Set the minimum data:

> ./scripts/mysql_install_db --datadir=(same as above) --user=mysql

This will create the directory, install the system tables, ...

Getting started

9)Start mysql:
- ```
> /etc/init.d/mysql start
```
10)Best Practice: immediately assign the root user password! (it is empty by default)
- ```
> ./bin/mysqladmin -u root password "password"
```
- The INSTALL-BINARY explains you all this, with variations, but the goal is the same ...
11)Tools like (mysql client, mysqldump, ...) are located in the directory /usr/local/mysql/bin :: to be able to call from anywhere, you can either add this directory to your PATH (file ~/.bashrc)

create symlinks in /usr/bin/

- Finally, if you are migrating from 5.0 to Mysql 5.1, the script bin/mysql-upgrade will allow you to update the system tables (INFORMATION_SCHEMA, ...)

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