#红色部分根据自己的需求来定义
#!/bin/bash

#卸载系统自带的Mysql

/bin/rpm -e $(/bin/rpm -qa | grep mysql|xargs) --nodeps

/bin/rm -f /etc/my.cnf

#安装编译代码需要的包

/usr/bin/yum -y install make gcc-c++ cmake bison-devel ncurses-devel

#编译安装mysql5.

/usr/sbin/groupadd mysql

/usr/sbin/useradd -g mysql mysql -M -s /sbin/nologin

#转到/usr/local/src下

cd /usr/local/src #或是直接把tar包放在该目录下
#wget -c http://ftp.ntu.edu.tw/MySQL/Downloads/MySQL-5.6/mysql-5.6.36.tar.gz（此处填写正确的链接）

/bin/tar -zxvf mysql-5.6.31.tar.gz

cd mysql-5.6./

/usr/bin/cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_DATADIR=/usr/local/mysql/data -DSYSCONFDIR=/etc -DMYSQL_TCP_PORT= -DMYSQL_UNIX_ADDR=/usr/local/mysql/mysql.sock -DWITH_INNOBASE_STORAGE_ENGINE= -DWITH_MYISAM_STORAGE_ENGINE= -DWITH_PARTITION_STORAGE_ENGINE= -DWITH_FEDERATED_STORAGE_ENGINE= -DWITH_BLACKHOLE_STORAGE_ENGINE= -DENABLED_LOCAL_INFILE= -DEXTRA_CHARSETS=all -DDEFAULT_CHARSET=utf8mb4 -DDEFAULT_COLLATION=utf8mb4_general_ci

make && make install

#修改/usr/local/mysql权限

mkdir -p /usr/local/mysql/data

/bin/chown -R mysql:mysql /usr/local/mysql

/bin/chown -R mysql:mysql /usr/local/mysql/data

#执行初始化配置脚本，创建系统自带的数据库和表

/usr/local/mysql/scripts/mysql_install_db --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --user=mysql

#配置my.cnf

cat > /usr/local/mysql/my.cnf << EOF

[client]

port =

socket = /usr/local/mysql/mysql.sock

[mysqld]

port =

socket = /usr/local/mysql/mysql.sock

basedir = /usr/local/mysql/

datadir = /usr/local/mysql/data

pid-file = /usr/local/mysql/data/mysql.pid

user = mysql

bind-address = 0.0.0.0

server-id =

sync_binlog=

log_bin = mysql-bin

skip-name-resolve

#skip-networking

back_log = 

max_connections =

max_connect_errors =

##open_files_limit =

table_open_cache =

max_allowed_packet = 16M

binlog_cache_size = 16M

max_heap_table_size = 16M

tmp_table_size = 256M

read_buffer_size = 1024M

read_rnd_buffer_size = 1024M

sort_buffer_size = 1024M

join_buffer_size = 1024M

key_buffer_size = 8192M

thread_cache_size = 

query_cache_size = 512M

query_cache_limit = 1024M

ft_min_word_len = 

binlog_format = mixed

expire_logs_days = 

log_error = /usr/local/mysql/data/mysql-error.log

slow_query_log =

long_query_time =

slow_query_log_file = /usr/local/mysql/data/mysql-slow.log

performance_schema =

explicit_defaults_for_timestamp

##lower_case_table_names = 

skip-external-locking

default_storage_engine = InnoDB

##default-storage-engine = MyISAM

innodb_file_per_table =

innodb_open_files =

innodb_buffer_pool_size = 1024M

innodb_write_io_threads =

innodb_read_io_threads =

innodb_thread_concurrency =

innodb_purge_threads =

innodb_flush_log_at_trx_commit =

innodb_log_buffer_size = 4M

innodb_log_file_size = 32M

innodb_log_files_in_group =

innodb_max_dirty_pages_pct =

innodb_lock_wait_timeout = 

bulk_insert_buffer_size = 8M

myisam_sort_buffer_size = 8M

myisam_max_sort_file_size = 10G

myisam_repair_threads = 

interactive_timeout =

wait_timeout = 

[mysqldump]

quick

max_allowed_packet = 16M

[myisamchk]

key_buffer_size = 8M

sort_buffer_size = 8M

read_buffer = 4M

write_buffer = 4M

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

port =

EOF

#启动mysql服务

cd /usr/local/mysql

/bin/mkdir var

/bin/chown -R mysql.mysql var

cp support-files/mysql.server /etc/init.d/mysql

/sbin/chkconfig mysql on

service mysql start

#设置环境变量

echo "export PATH=$PATH:/usr/local/mysql/bin" >> /etc/profile

source /etc/profile

#设置mysql登陆密码,初始密码为123456

/bin/mkdir -p /var/lib/mysql

ln -s /usr/local/mysql/mysql.sock /var/lib/mysql/mysql.sock

mysql -e "SET PASSWORD = PASSWORD('123456');"

mysql -p123456 -e "GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'password' WITH GRANT OPTION;"

mysql -p123456 -e "FLUSH PRIVILEGES;"