centos 安装 mysql5.7.11
1 tar zvxf mysql-5.7.11-linux-glibc2.5-x86_64.tar.gz -C /usr/local/
pwd 查看当前路径
2 mv mysql-5.7.11-linux-glibc2.5-x86_64/ mysql 当前路径下创建mysql的文件夹
3 mkdir mysql/data 创建数据库文件夹
创建用户组用户名
groupadd mysql
useradd mysql -g mysql
cd mysql
pwd
显示当前路径
/usr/local/usr
chown -R mysql . 给刚才设置的mysql用户授权
chgrp -R mysql .
进入bin 目录 cd /usr/local/mysql/bin
yum install libaio
执行后的文件显示开始
Loaded plugins: fastestmirror, refresh-packagekit, security
Setting up Install Process
Loading mirror speeds from cached hostfile
* base: mirror.lzu.edu.cn
* extras: mirror.lzu.edu.cn
* updates: centos.ustc.edu.cn
Package libaio-0.3.107-10.el6.x86_64 already installed and latest version
Nothing to do
执行后的文件显示结束
创建用户和数据地址
./mysql_install_db --user=mysql --basedir=/usr/local/mysql/ --datadir=/usr/local/mysql/data
执行后的文件显示开始
2019-04-02 07:19:24 [WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize
2019-04-02 07:19:29 [WARNING] The bootstrap log isn't empty:
2019-04-02 07:19:29 [WARNING] 2019-04-02T14:19:24.712195Z 0 [Warning] --bootstrap is deprecated. Please consider using --initialize instead
2019-04-02T14:19:24.717677Z 0 [Warning] Changed limits: max_open_files: 1024 (requested 5000)
2019-04-02T14:19:24.717692Z 0 [Warning] Changed limits: table_open_cache: 431 (requested 2000)
执行后的文件显示结束
cd /usr/local/mysql/support-files
./mysql.server start
启动报错
Starting MySQL... ERROR! The server quit without updating PID file (/var/lib/mysql/localhost.localdomain.pid).
解决办法 https://blog.51cto.com/rabbit2013/1341055
启动成功
cat /root/.mysql_secret 查看初始密码
# Password set for user 'root@localhost' at 2019-04-02 07:19:24
lzrsTlbwhzQf 初始密码h9Gl,iTgPPth
cd /usr/local/mysql/bin
./mysql -uroot -p:h9Gl,iTgPPth
登录报错
mysql: [Warning] Using a password on the command line interface can be insecure.
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)
find / -name mysql.sock 查询文件位置
[root@localhost bin]# ./mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 6
Server version: 5.7.11
Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
登录成功
重置密码
mysql> set password=password('root');
Query OK, 0 rows affected, 1 warning (0.00 sec)
设定远程登录mysql。在Linux下为了安全，默认是不允许mysql本机以外的机器访问mysql数据库服务，因此需要重新授权root。方便远程访问。
mysql> use mysql;//命令
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Database changed
mysql> select Host,User from user;
+-----------+-----------+
| Host | User |
+-----------+-----------+
| localhost | mysql.sys |
| localhost | root |
+-----------+-----------+
2 rows in set (0.00 sec)
mysql>
mysql> GRANT ALL PRIVILEGES ON *.* TO root@'%' identified by 'root';
Query OK, 0 rows affected, 1 warning (0.01 sec)
修改开机启动，修改软连接
[centos-1@localhost ~]$ cd /usr/local/mysql/support-files/
[centos-1@localhost support-files]$ cp mysql.server /etc/init.d
cp: cannot create regular file `/etc/init.d/mysql.server': Permission denied
[centos-1@localhost support-files]$ su root
Password:
[root@localhost support-files]# cp mysql.server /etc/init.d
[root@localhost support-files]# cd /etc/init.d
[root@localhost init.d]# mv mysql.server mysqld
[root@localhost init.d]# cd /usr/bin
[root@localhost bin]# ln -s /usr/local/mysql/bin/mysql mysql
[root@localhost bin]#
https://blog.csdn.net/l1028386804/article/details/46048485/
service mysqld stop停止命令
service mysqld start 启动命令
service mysqld restart 重启命令