Very often people not expert ask me some simple detailed directions on how to install MySQL from fresh.

Transcription

1 Very often people not expert ask me some simple detailed directions on how to install MySQL from fresh. The following is a simple one that if you will follow step by step should give you a MySQL working installation. this articule assume that you have the possibility to attach different storage for: System and binaries MySQLData MySQLLogs Prerequisite: 1) You need to have access to the client area for download the MySQL software from somwere possible points are: ) Perl DBI and DBD::mysql installed on the machine (See How to Install MySQL Perl module guide) 3) Root privileges 1 / 8

2 Steps: 1) Install the Perl modules 2) Create a directory layout as follow: /mysql_data/ -- data -- mysql `-- test `-- lost+found /mysql_logs/ -- exports `-- logs -- Q_MySQL -- binlog -- general -- innodb `-- relay 3) Create a directory for the MySQL binary in: /usr/local/mysqldistributions 2 / 8

3 4) Expand the downloaded file (MySQL server binary installation) into the mysqldistributions directory 5) Create the symbolic link to /usr/local/mysql 6) Copy the file from /usr/local/mysql/support-files/mysql.server to /etc/init.d/ as mysql 7) Register it chkconfig -add mysql 8) Create in /etc/ the file my.cnf and modify the server-id with a unique value 9) Create the group and user mysql 3 / 8

4 groupadd mysql seradd -g mysql s /bin/bash p mysql 10) Change the permissions on all the relevant directories: chown R mysql:mysql /mysql_logs chown R mysql:mysql /mysql_data chown R mysql:mysql /usr/local/mysql* 11) Impersonate the user mysql su l mysql 12) Run the script to initialize the mysql database./scripts/./mysql_install_db --basedir=/usr/local/mysql --datadir=/mysql_data/data 13) Check that the directories are created and the permissions correctly set: 4 / 8

5 ll /mysql_data/data 14) Open another terminal window to check the log 15) Become root again 16) Start the MySQL server with /etc/init.d/mysql start 17) On the opened terminal type: tail -fn200 /mysql_data/data/.err to check what is going on 5 / 8

6 18) On the original terminal, go inside the mysql server using the local mysql console: /usr/local/mysql/bin/mysql uroot 19)Check for anonymous user to remove [(none)]> select user,host from mysql.user; user host root localhost root localhost root rows in set (0.00 sec) and remove them: root@localhost:mysql.sock [(none)]> drop user ''@localhost; root@localhost:mysql.sock [(none)]> drop user ''@ machinename ; 6 / 8

7 Add the Password for the user root for *ANY* hosts: set password for set password for machinename =Password('mysql'); set password for =Password('mysql'); 20) Exit and try if all was done correctly: [(none)]> exit Bye mysql]# /usr/local/mysql/bin/mysql -uroot -pmysql Welcome to the MySQL monitor. Commands end with ; or g. Your MySQL connection id is 2 Server version: sp1-enterprise-gpl-pro-log MySQL Enterprise Server - Pro Edition (GPL) Type 'help;' or 'h' for help. Type 'c' to clear the buffer. 7 / 8

8 [(none)]> 21)Now add al the other user as you like {joscommentenable} 8 / 8