常用配置
切换清华国内源
wget https://mirrors.tuna.tsinghua.edu.cn/mysql/yum/mysql80-community-el7/mysql80-community-release-el7-3.noarch.rpm rpm -qa |grep mariadb yum install mysql-server systemctl enable mysqld
配置文件 my.cnf
[mysql] prompt = "\u@mysqldb \R:\m:\s [\d]> " [mysqld] datadir = /data/mysql socket = /data/mysql/mysql.sock character_set_server = UTF8MB4 default_time_zone = "+8:00" plugin_dir = /usr/lib64/mysql/plugin default_authentication_plugin=mysql_native_password ##performance setttings lock_wait_timeout = 3600 open_files_limit = 65535 max_connections = 512 table_open_cache = 1024 table_definition_cache = 1024 thread_cache_size = 768 interactive_timeout = 600 wait_timeout = 600 ##log settings log_timestamps = SYSTEM log_error = /data/mysql/error.log slow_query_log = 1 slow_query_log_file = /data/mysql/slow.log #long_query_time = 0.1 innodb_buffer_pool_size = 45875M innodb_data_file_path = ibdata1:12M:autoextend ## 根据您的服务器IOPS能力适当调整 ## 一般配普通SSD盘的话，可以调整到 10000 - 20000 ## 配置高端PCIe SSD卡的话，则可以调整的更高，比如 50000 - 80000 innodb_io_capacity = 4000 innodb_io_capacity_max = 8000 innodb_open_files = 65535
密码配置
1、初始化密码
MySQL 8.0 初始化会自动生成 root 密码，保存在数据库的日志文件中
grep "temporary password" /var/log/mysqld.log
2、修改密码安全等级
set global validate_password.policy=0;
3、默认配置文件 my.cnf
datadir=/wiki/mysql socket=/var/lib/mysql/mysql.sock log-error=/var/log/mysqld.log max_allowed_packet=512M innodb_log_file_size=2GB transaction-isolation=READ-COMMITTED character-set-server=utf8mb4 collation-server=utf8mb4_bin
4、重置 root 密码
mysqld --user=mysql --console --skip-grant-tables set global validate_password.policy=0; alter user 'root'@'localhost' identified by 'www.password';
5、添加用户
create user 'confluence'@'localhost' identified with mysql_native_password by 'password'; grant all privileges on confluence.* to 'confluence'@'localhost'; set global validate_password.policy=0;
5、提示“MySQL server is running with the –secure-file-priv”错误
SHOW VARIABLES LIKE "secure_file_priv";
mysql> SELECT * FROM information_schema.processlist into outfile '/tmp/mysql_processes.txt';
ERROR 1290 (HY000): The MySQL server is running with the --secure-file-priv option so it cannot execute this statement
"ERROR 1419 (HY000): You do not have the SUPER Privilege and Binary Logging is Enabled"
--log-bin-trust-function-creators=1
mkdir -p ~/.pip cat > ~/.pip/pip.conf <<EOF [global] index-url = https://opentuna.cn/pypi/web/simple trusted-host = opentuna.cn timeout = 120 [install] trusted-host = opentuna.cn EOF pip3 install --user --timeout=3600 django==2.2.* future mysqlclient pymysql Pillow pylibmc pip3 install --user --timeout=3600 captcha jinja2 sqlalchemy==1.4.3 psd-tools django-pylibmc django-simple-captcha yum install libreoffice libreoffice-headless libreoffice-pyuno
Error: Failed to connect to mysql database ccnet-db: 'cryptography' package is required for sha256_password or caching_sha2_password auth methods
pip3 install --user --upgrade pip pip3 install --user cryptography
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