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Install MySQL 5.5.27 64-bit RPM on CentOS 6.2 x86_64

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– Remove

yum remove mysql mysql-devel mysql--libs

– Download the needed packages from http://dev.mysql.com/downloads/mysql/#downloads
Download URL varies depending on download mirror

mkdir mysql
cd mysql
#MySQL-client-5.5.27-1.el6.x86_64.rpm
 http://cdn.mysql.com/Downloads/MySQL-5.5/MySQL-client-5.5.27-1.el6.x86_64.rpm
#MySQL-shared-5.5.27-1.el6.x86_64.rpm
 http://cdn.mysql.com/Downloads/MySQL-5.5/MySQL-shared-5.5.27-1.el6.x86_64.rpm
#MySQL-devel-5.5.27-1.el6.x86_64.rpm
 http://cdn.mysql.com/Downloads/MySQL-5.5/MySQL-devel-5.5.27-1.el6.x86_64.rpm
#MySQL-server-5.5.27-1.el6.x86_64.rpm
 http://cdn.mysql.com/Downloads/MySQL-5.5/MySQL-server-5.5.27-1.el6.x86_64.rpm
#MySQL-shared-compat-5.5.27-1.el6.x86_64.rpm
 http://cdn.mysql.com/Downloads/MySQL-5.5/MySQL-shared-compat-5.5.27-1.el6.x86_64.rpm

#install
rpm -Uvh *
#create log dir
mkdir //log/mysql
 /var/log/mysql

#start MySQL
/etc/init.d/mysql start
#add root 
/usr/bin/mysqladmin -u root  'new-'
/usr/bin/mysqladmin -u root -h centos6.vmware.local  'new-'

– configure mysql more info

vi /etc/my.cnf
# Example MySQL config file for large systems.
#
# This is for a large system with memory =  where the system runs mainly
# MySQL.
#
# MySQL programs look for  in a set of
# locations which depend on the deployment platform.
# You can copy this option file to one of those
# locations. For information about these locations, see:
# http://dev.mysql.com/doc/mysql/en/option-files.html
#
# In this file, you can use all long options that a program supports.
# If you want to know which options a program supports, run the program
# with the "--help" option.

# The following options will be passed to all MySQL clients
[client]
#password	= your_password
port		= 3306
socket		= /var/lib/mysql/mysql.sock

# Here follows entries for some specific programs

# The MySQL server
[]
port		= 3306
socket		= /var/lib/mysql/mysql.sock
#The number of outstanding connection requests MySQL can have (Default	50)
back_log = 200
skip-external-locking
#Disable the InnoDB storage engine
skip-innodb
key_buffer_size = 256M
join_buffer_size = 10M
sort_buffer_size = 10M
bulk_insert_buffer_size = 16M

max_allowed_packet = 1M
table_open_cache = 400

read_buffer_size = 1M
read_rnd_buffer_size = 4M
myisam_sort_buffer_size = 64M
myisam_max_sort_file_size = 2G
myisam_repair_threads = 2
#http://dev.mysql.com/doc/refman/5.5/en/server-options.html#option__myisam-recover-options
myisam-recover-options=backup,force
thread_stack  = 192K

wait_timeout = 7200
interactive_timeout=7200
connect_timeout = 5

max_heap_table_size = 64M
max_connect_errors = 5

thread_cache_size = 8
_cache_size =16M
_cache_limit = 4M
_cache_type = 1
_prealloc_size = 1M
_alloc_block_size = 1M
#http://dev.mysql.com/doc/refman/5.5/en/server-options.html#option__default-storage-engine
default-storage-engine = MyISAM

#using UTF-8 as default character set.
collation_server=utf8_general_ci
character_set_server=utf8

#logging
long_query_time=1
slow_query_log=1
slow_query_log_file =/var/log/mysql/slow.log
general_log=0
general_log_file=/var/log/mysql/general.log
log-error=/var/log/mysql/error.log

# Try number of CPU's*2 for thread_concurrency
thread_concurrency = 8
#The maximum permitted number of simultaneous client connections http://dev.mysql.com/doc/refman/5.5/en/too-many-connections.html
max_connections = 2048

# Don't listen on a TCP/IP port at all. This can be a security enhancement,
# if all processes that need to connect to  run on the same host.
# All interaction with  must be made via Unix sockets or named pipes.
# Note that using this option without enabling named pipes on Windows
# (via the "enable-named-pipe" option) will render  useless!
# 
skip-networking
#use only IP numbers, do not resolve host names 
skip-name-resolve

# Replication Master Server (default)
# binary logging is required for replication
log-bin=mysql-bin

# binary logging format - mixed recommended
binlog_format=mixed

# required unique id between 1 and 2^32 - 1
# defaults to 1 if master-host is not set
# but will not function as a master if omitted
server-id	= 1

# Replication Slave (comment out master section to use this)
#
# To configure this host as a replication slave, you can choose between
# two methods :
#
# 1) Use the CHANGE MASTER TO command (fully described in our manual) -
#    the syntax is:
#
#    CHANGE MASTER TO MASTER_HOST=, MASTER_PORT=,
#    MASTER_USER=, MASTER_PASSWORD= ;
#
#    where you replace , ,  by quoted strings and
#     by the master's port number (3306 by default).
#
#    Example:
#
#    CHANGE MASTER TO MASTER_HOST='125.564.12.1', MASTER_PORT=3306,
#    MASTER_USER='joe', MASTER_PASSWORD='secret';
#
# OR
#
# 2) Set the variables below. However, in case you choose this method, then
#    start replication for the first time (even unsuccessfully, for example
#    if you mistyped the password in master-password and the slave fails to
#    connect), the slave will create a master.info file, and any later
#    change in this file to the variables' values below will be ignored and
#    overridden by the content of the master.info file, unless you shutdown
#    the slave server, delete master.info and restart the slaver server.
#    For that reason, you may want to leave the lines below untouched
#    (commented) and instead use CHANGE MASTER TO (see above)
#
# required unique id between 2 and 2^32 - 1
# (and different from the master)
# defaults to 2 if master-host is set
# but will not function as a slave if omitted
#server-id       = 2
#
# The replication master for this slave - required
#master-host     =   
#
# The username the slave will use for authentication when connecting
# to the master - required
#master-user     =   
#
# The password the slave will authenticate with when connecting to
# the master - required
#master-password =   
#
# The port the master is listening on.
# optional - defaults to 3306
#master-port     =  
#
# binary logging - not required for slaves, but recommended
#log-bin=mysql-bin

# Uncomment the following if you are using InnoDB tables
#innodb_data_home_dir = /var/lib/mysql
#innodb_data_file_path = ibdata1:10M:autoextend
#innodb_log_group_home_dir = /var/lib/mysql
# You can set .._buffer_pool_size up to 50 - 80 %
# of RAM but beware of setting memory usage too high
#innodb_buffer_pool_size = 256M
#innodb_additional_mem_pool_size = 20M
# Set .._log_file_size to 25 % of buffer pool size
#innodb_log_file_size = 64M
#innodb_log_buffer_size = 8M
#innodb_flush_log_at_trx_commit = 1
#innodb_lock_wait_timeout = 50

[mysql.server]
user=mysql

[_safe]
nice = -20
open_files_limit=100000
log-error=/var/log/mysql/error.log

[mysqldump]
quick
max_allowed_packet = 10M

[mysql]
no-auto-rehash
# Remove the next comment character if you are not familiar with SQL
#safe-updates

[myisamchk]
key_buffer_size = 128M
sort_buffer_size = 128M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout

-restart MySQL

/etc/init.d/mysql restart