标签：安装 MySQL5.7 Linux data itsky21 mysql 3306 root localhost
]# vi /etc/hosts 192.168.101.21 itsky21
# ping 192.168.101.21
[root@localhost ~]# rpm -qa |grep mysql
[root@localhost ~]# rpm -qa |grep mariadb
mariadb-libs-5.5.60-1.el7_5.x86_64
[root@localhost ~]# rpm -e --nodeps mariadb-libs-5.5.60-1.el7_5.x86_64
mkdir -p /mysql/app
mkdir -p /mysql/data/3306
mkdir -p /mysql/log/3306
[root@localhost mysql]# groupadd mysql
[root@localhost mysql]# useradd -r -g mysql -s /bin/false mysql
[root@localhost mysql]# chown -R mysql:mysql /mysql
[root@localhost mysql]# vi /etc/profile
[root@localhost mysql]# ls
bin COPYING docs include lib man README share support-files
[root@localhost mysql]# cd bin/
[root@localhost bin]# pwd
/mysql/app/mysql/bin
[root@localhost bin]# vi ~/.bash_profile
PATH=$PATH:/mysql/app/mysql/bin:$HOME/bin
exit 重新连接 which mysql
[root@localhost ~]# which mysql
/mysql/app/mysql/bin/mysql
[root@localhost ~]#
配置文件参数
vi /mysql/data/3306/my.cnf
[mysql]
default-character-set=utf8
socket=/mysql/data/3306/mysql.sock
[mysqld]
#skip-name-resolve
port= 3306
socket=/mysql/data/3306/mysql.sock
basedir=/mysql/app/mysql
datadir=/mysql/data/3306/data
character-set-server=utf8
default-storage-engine=INNODB
innodb_buffer_pool_size = 200M
max_allowed_packet=16M
explicit_defaults_for_timestamp=1
log-output=FILE
general_log=0
general_log_file=/mysql/log/3306/itsky21-general.err
slow_query_log=ON
slow_query_log_file=/mysql/log/3306/itsky21-query.err
long_query_time=10
log-error=/mysql/log/3306/itsky21-error.err
MySQL数据库初始化
ln -sf /mysql/data/3306/my.cnf /etc/my.cnf
[root@localhost ~]# ln -sf /mysql/data/3306/my.cnf /etc/my.cnf
[root@localhost ~]# more /etc/my.cnf
[mysql]
# yum install libaio
/mysql/app/mysql/bin/mysqld --initialize --user=mysql --basedir=/mysql/app/mysql/ --datadir=/mysql/data/3306/data/
初始化错误后
[root@localhost 3306]# rm -rf data
[root@localhost 3306]# pwd
/mysql/data/3306
初始化成功去查看初始化之后的文件和密码
[root@itsky21 data]# pwd 初始化成功生成文件
/mysql/data/3306/data
[root@itsky21 data]# ll
[root@itsky21 3306]# pwd 密码
/mysql/log/3306
[root@itsky21 3306]# ls
itsky21-error.err itsky21-query.err
[root@itsky21 3306]# cat itsky21-error.err )S.x3N1ty#gu
创建启动脚本
[root@itsky21 ~]# vi /usr/lib/systemd/system/mysqld.service
[Unit]
Description=MySQL Server
Documentation=man:mysqld(8)
Documentation=http://dev.mysql.com/doc/refman/en/using-systemd.html
After=network.target
After=syslog.target
[Install]
WantedBy=multi-user.target
[Service]
User=mysql
Group=mysql
ExecStart=/mysql/app/mysql/bin/mysqld --defaults-file=/mysql/data/3306/my.cnf
LimitNOFILE= 65536
LimitNPROC=65536
脚本授权
# chmod u+x /usr/lib/systemd/system/mysqld.service
启动MySQL
# systemctl daemon-reload
systemctl status mysqld
systemctl start mysqld
systemctl status mysqld
创建开机启动和后台运行
nohup /mysql/app/mysql/bin/mysqld_safe --defaults-file=/mysql/data/3306/my.cnf & 后台运行
# mysqladmin -u root -p shutdown -S /mysql/data/3306/mysql.sock 手动停止数据库
登录后修改原始密码
mysql> alter user 'root'@'localhost' identified by 'rootroot';
Query OK, 0 rows affected (0.00 sec)
设置远程登录密码
mysql> use mysql;
mysql> create user 'root'@'%' identified by 'root';
mysql> select host,user from user where user='root';
+-----------+------+
| host | user |
+-----------+------+
| % | root |
| localhost | root |
+-----------+------+
2 rows in set (0.00 sec)
mysql> grant all privileges on *.* to 'root'@'%' with grant option;
使用远程账号登录
[root@itsky21 ~]# mysql -u root -p -h192.168.101.21
mysql> create database itsky21 default charset utf8mb4;
mysql> grant all privileges on itsky21.* to 'itsky21'@'%' identified by 'itsky21';
mysql> grant all privileges on itsky21.* to 'itsky21'@'localhost' identified by 'itsky21';
mysql> select host,user from mysql.user;
create table itsky01(
-> id int auto_increment primary key,
-> name varchar(15)
-> )engine = InnoDB;
mysql> insert into itsky01 values(1,'itsky01');
mysql> insert into itsky01 values(2,'itsky02');
mysql> insert into itsky01 values(3,'itsky03');
mysql> select * from itsky01;
卸载
systemctl stop mysqld rm -rf mysql
标签：安装,MySQL5.7,Linux,data,itsky21,mysql,3306,root,localhost 来源： https://www.cnblogs.com/skyphp/p/12975398.html
本站声明： 1. iCode9 技术分享网（下文简称本站）提供的所有内容，仅供技术学习、探讨和分享； 2. 关于本站的所有留言、评论、转载及引用，纯属内容发起人的个人观点，与本站观点和立场无关； 3. 关于本站的所有言论和文字，纯属内容发起人的个人观点，与本站观点和立场无关； 4. 本站文章均是网友提供，不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属；如您发现该文章侵犯了您的权益，可联系我们第一时间进行删除； 5. 本站为非盈利性的个人网站，所有内容不会用来进行牟利，也不会利用任何形式的广告来间接获益，纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。