mysql8.0二進制安裝
1.創建目錄授權
groupadd mysql
useradd mysql
mkdir -p /usr/local/mysql/
mkdir -p /usr/local/mysql/data
mkdir -p /usr/local/mysql/etc
mkdir -p /usr/local/mysql/log
chown -R mysql:mysql /usr/local/mysql/
2.配置參數文件:
cat > /usr/local/mysql/etc/my.cnf << EOF
[client]
port = 3306
socket = /usr/local/mysql/data/mysql.sock
[mysqld]
server-id = 1
port = 3306
mysqlx_port = 33060
mysqlx_socket = /usr/local/mysql/data/mysqlx.sock
datadir = /usr/local/mysql/data
socket = /usr/local/mysql/data/mysql.sock
pid-file = /usr/local/mysql/data/mysqld.pid
log-error = error.log
slow-query-log = 1
slow-query-log-file = slow.log
long_query_time = 0.2
log-bin = bin.log
relay-log = relay.log
binlog_format =ROW
relay_log_recovery = 1
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
init_connect ='SET NAMES utf8mb4'
innodb_buffer_pool_size = 1G
join_buffer_size = 128M
sort_buffer_size = 2M
read_rnd_buffer_size = 2M
log_timestamps = SYSTEM
lower_case_table_names = 1
default-authentication-plugin =mysql_native_password
EOF
注意配置
[client]
socket = /usr/local/mysql/data/mysql.sock
[mysqld]
socket = /usr/local/mysql/data/mysql.sock
3.初始化數據庫
/usr/local/mysql/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql
cat /usr/local/mysql/data/error.log | grep -i password
4.設置啓動文件和環境變量:
cp /usr/local/mysql/support-files/mysql.server /etc/init.d/mysql
systemctl start mysql
5、配置用戶和密碼
mysql> show variables like '%valid%pass%';
mysql> create user root@'%' identified by 'abc123';
mysql> show variables like '%valid%pass%';
mysql> alter user root@'localhost' identified by 'abc123';
mysql> show variables like '%valid%pass%';
--創建可以遠程登錄的用戶:
mysql> create user root@'%' identified by 'abc123';
mysql> grant all privileges on *.* to root@'%' with grant option;
mysql> flush privileges;
# 創建賬號密碼
CREATE USER `root`@`127.0.0.1` IDENTIFIED BY 'shsnc\!\@\#';
CREATE USER `root`@`%` IDENTIFIED BY 'shsnc\!\@\#';
# 授予權限
GRANT ALL ON *.* TO `root`@`%` WITH GRANT OPTION;
# 刪除權限
REVOKE all privileges ON databasename.tablename FROM 'username'@'host';
# 修改密碼
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '你的密碼';
mysql8修改密碼
清空密碼
UPDATE user SET Password = PASSWORD('shsnc!@#') WHERE user = 'root';
FLUSH privileges;
修改密碼(注意不能直接改表)
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY "shsnc\!\@\#";
FLUSH privileges;
mysql8.0二進制安裝
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