linux下安装mysql

mysql安装

1、mysql下载路径

https://pan.baidu.com/s/1MPuTenlhsX-bJrEsPD-wSw

mysql安装脚本

mysql_install-5.7.20.sh

#!/bin/bash

if [ $# -ne 1 ]
then
        echo "Usage: $0 port "
    exit 1
fi

( lsof -i:$1 &>/dev/null || which mysql$1 &>/dev/null ) && ( echo "error: the port $1 has been used" ; exit 11 )
test $? -eq 11 && exit 1

############################

base_dir=/usr/local/mysql$1
data_dir=/mysql/mysql$1
mysql_file='mysql-5.7.20-linux-glibc2.12-x86_64.tar.gz'

echo "install ing ........"


############################

useradd mysql 2>/dev/null
mkdir ${data_dir} -p  2>/dev/null
chown mysql:mysql ${base_dir} ${data_dir} -R

############################

#download mysql install package and install it
test -f $mysql_file || (echo "download mysql software package error!" ;exit 1)
test $? -eq 1 && exit 1

echo "install mysql ......"

tar -zxvf $mysql_file -C /usr/local
cd /usr/local && mv mysql-5.7.20-linux-glibc2.12-x86_64 mysql$1

cd ${base_dir}
ln -s ${base_dir}/support-files/mysql.server /etc/init.d/mysql$1

echo 'export PATH=/usr/local/mysql3306/bin:$PATH' >> /etc/profile
source /etc/profile

chown mysql:mysql ${base_dir} ${data_dir} -R

printf "[client]
port = $1
socket = ${data_dir}/mysqld.sock
default-character-set=utf8

[mysqld]
port = $1
socket = ${data_dir}/mysqld.sock
basedir =${base_dir} 
datadir = ${data_dir}
back_log = 500
skip-name-resolve
skip-external-locking
concurrent_insert = 2
delay-key-write = ALL
key_buffer_size = 256M
max_allowed_packet = 128M
table_open_cache = 512
sort_buffer_size = 2M
net_buffer_length = 8K
read_buffer_size = 2M
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 64M
thread_stack = 512K
log-bin = mysql-bin
binlog_format = mixed
relay_log = relay-bin
server-id = $1
binlog_cache_size = 8M
max_binlog_size = 1024M
max_relay_log_size = 1024M
expire_logs_days = 3
thread_cache_size = 8
query_cache_size = 32M
max_connections = 32000
max_user_connections=5000
tmp_table_size = 256M
long_query_time = 1
slow_query_log
innodb_file_per_table
innodb_buffer_pool_size = 1G
innodb_flush_log_at_trx_commit = 2
innodb_flush_method = O_DIRECT
innodb_file_format = barracuda
innodb_log_file_size = 256M
innodb_log_files_in_group = 3
innodb_fast_shutdown = 1
explicit_defaults_for_timestamp=off
max_user_connections=500
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
sql_mode = NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
innodb_io_capacity = 2000
innodb_io_capacity_max = 10000
innodb_open_files = 1000
federated
event_scheduler=1
default-storage-engine=INNODB
character-set-server=utf8
collation-server=utf8_general_ci

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash

[myisamchk]
key_buffer_size = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout" > /etc/my.cnf


#./scripts/mysql_install_db --defaults-file=${base_dir}/etc/my.cnf --basedir=${base_dir} --datadir=${data_dir} || exit 1
${base_dir}/bin/mysqld --initialize --user=mysql --basedir=${base_dir} --datadir=${data_dir} || exit 1


chown mysql:mysql ${base_dir} ${data_dir} -R
/etc/init.d/mysql$1 start && echo "mysql has been install successfully!"


############################
############################
chkconfig --add mysql$1
chkconfig  mysql$1 on

2、执行 sh mysql_install-5.7.13.sh ${MYSQL_PORT_NO} 脚本

sh mysql_install-5.7.13.sh 3306

 Mysql安装时，会打印出root账户的临时密码，记下临时密码

3、登录mysql并修改临时密码,并给root用户在其他机器可以登录的权限，在安装完成后再取消该权限。命令如下：

mysql -uroot -p 

ALTER USER 'root'@'localhost' IDENTIFIED BY 'root';
use mysql
update user set Host = "%" where User = "root";

至此mysql安装完成