Linux CentOS MySQL 5.7.18 5.7.X安装教程_网络技术_宿州市腾雀网络科技有限公司

废话不多说了，直接给大家贴代码了，具体代码如下所示：

#安装依赖包
yum search libaio # search for info
yum install libaio # install library
#新建用户组合用户
groupadd mysql
useradd mysql -g mysql
#解压到data下面
tar -zxvf /data/software/mysql-5.7.18-linux-glibc2.5-x86_64.tar.gz -C /data
#重命名
mv mysql-5.7.18-linux-glibc2.5-x86_64/ mysql
#安装
cd mysql/
mkdir data
更改所有者
cd ../
chown -R mysql:mysql mysql/
#授权755
chmod -R 755 mysql/
cd mysql
./bin/mysqld --user=mysql --basedir=/data/mysql --datadir=/data/mysql/data --initialize

#注意最下面的密码
2017-04-21T02:36:14.351072Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2017-04-21T02:36:15.174993Z 0 [Warning] InnoDB: New log files created, LSN=45790
2017-04-21T02:36:15.331692Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2017-04-21T02:36:15.608132Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 4ab0413b-263b-11e7-9795-8e59748c97ed.
2017-04-21T02:36:15.615879Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
2017-04-21T02:36:15.620346Z 1 [Note] A temporary password is generated for root@localhost: o*s#gqh)F4Ck
#先简单测试一下

执行 ./support-files/mysql.server start

如果提示下面错误

./support-files/mysql.server: line 239: my_print_defaults: command not found
./support-files/mysql.server: line 259: cd: /usr/local/mysql: No such file or directory
Starting MySQL ERROR! Couldn't find MySQL server (/usr/local/mysql/bin/mysqld_safe)

那就正常了，哈哈

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

2.chmod 755 /etc/init.d/mysqld

3.vi /etc/init.d/mysqld

将66-73行/usr/local/修改为/data/

修改前

then
 basedir=/usr/local/mysql
 bindir=/usr/local/mysql/bin
 if test -z "$datadir"
 then
  datadir=/usr/local/mysql/data
 fi
 sbindir=/usr/local/mysql/bin
 libexecdir=/usr/local/mysql/bin
else

修改后，根据你的实际目录修改

then
 basedir=/data/mysql
 bindir=/data/mysql/bin
 if test -z "$datadir"
 then
  datadir=/data/mysql/data
 fi
 sbindir=/data/mysql/bin
 libexecdir=/data/mysql/bin
else

service mysqld start

如果提示Starting MySQL.Logging to '/data/mysql/data/MyServer.err'.

不管它就行，以后重启就不会提示了

接下来来配置my.cnf

先清理一下内存

sync
echo 3 > /proc/sys/vm/drop_caches
下面是my.cnf的具体配置
[client]
no-beep
socket =/data/mysql/mysql.sock
# pipe
# socket=0.0
port=3306
[mysql]
default-character-set=utf8
[mysqld]
basedir=/data/mysql
datadir=/data/mysql/data
port=3306
pid-file=/data/mysql/mysqld.pid
#skip-grant-tables
skip-name-resolve
socket = /data/mysql/mysql.sock
character-set-server=utf8
default-storage-engine=INNODB
explicit_defaults_for_timestamp = true
# Server Id.
server-id=1
max_connections=2000
query_cache_size=0
table_open_cache=2000
tmp_table_size=246M
thread_cache_size=300
#限定用于每个数据库线程的栈大小。默认设置足以满足大多数应用
thread_stack = 192k
key_buffer_size=512M
read_buffer_size=4M
read_rnd_buffer_size=32M
innodb_data_home_dir = /data/mysql/data
innodb_flush_log_at_trx_commit=0
innodb_log_buffer_size=16M
innodb_buffer_pool_size=256M
innodb_log_file_size=128M
innodb_thread_concurrency=128
innodb_autoextend_increment=1000
innodb_buffer_pool_instances=8
innodb_concurrency_tickets=5000
innodb_old_blocks_time=1000
innodb_open_files=300
innodb_stats_on_metadata=0
innodb_file_per_table=1
innodb_checksum_algorithm=0
back_log=80
flush_time=0
join_buffer_size=128M
max_allowed_packet=1024M
max_connect_errors=2000
open_files_limit=4161
query_cache_type=0
sort_buffer_size=32M
table_definition_cache=1400
binlog_row_event_max_size=8K
sync_master_info=10000
sync_relay_log=10000
sync_relay_log_info=10000
#批量插入数据缓存大小，可以有效提高插入效率，默认为8M
bulk_insert_buffer_size = 64M
interactive_timeout = 120
wait_timeout = 120
log-bin-trust-function-creators=1
sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES

修改密码

/data/mysql/bin/mysql -uroot -p
密码初装的时候有
SET PASSWORD = PASSWORD('mima123');
grant all privileges on *.* to root@'%' identified by 'mima123';
flush privileges;

以上所述是小编给大家介绍的Linux CentOS MySQL 5.7.18 5.7.X安装教程，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对网站的支持！

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