centos7 安装mysql8 绿色版

Posted 2022-02-10

wget -c https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-8.0.16-linux-glibc2.12-x86_64.tar.xz xz -d mysql-8.0.16-linux-glibc2.12-x86_64.tar.xz tar xvf mysql-8.0.16-linux-glibc2.12-x86_64.tar mv mysql-8.0.16-linux-glibc2.12-x86_64 /usr/local/mysql8 cd /usr/local/mysql8 mkdir data rm /etc/my.cnf mkdir etc groupadd mysql useradd -r -g mysql mysql chown -R mysql:mysql /usr/local/mysql8 cp /usr/local/mysql8/support-files/mysql.server /etc/init.d/mysql.server vi /etc/init.d/mysql.server basedir=/usr/local/mysql8 datadir=/usr/local/mysql8/data vi /usr/local/mysql8/etc/my.cnf [client] port = 3306 socket = /tmp/mysql.sock [mysqld] user = mysql server-id = 1 port = 3306 basedir = /usr/local/mysql8 datadir = /usr/local/mysql8/data pid-file = /usr/local/mysql8/log/mysql.pid tmpdir = /tmp socket = /tmp/mysql.sock max_connections = 400 max_connect_errors = 1000 max_allowed_packet = 128M interactive_timeout = 1800 wait_timeout = 1800 tmp_table_size = 134217728 max_heap_table_size = 134217728 log_error = /usr/local/mysql8/log/error.log slow_query_log = 1 slow_query_log_file = /usr/local/mysql8/log/slow.log log_queries_not_using_indexes = 1 log_throttle_queries_not_using_indexes = 5 log_slow_slave_statements = 1 long_query_time = 8 min_examined_row_limit = 100 expire_logs_days = 5 /usr/local/mysql8/bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql8 --datadir=//usr/local/mysql8/data (保存临时密码) mv /usr/local/mysql8/etc/my.cnf /etc/ touch /usr/local/mysql8/log/error.log touch /usr/local/mysql8/log/slow.log touch /usr/local/mysql8/log/mysql.pid chown -R mysql:mysql /usr/local/mysql8/log/error.log /usr/local/mysql8/log/slow.log /usr/local/mysql8/log/mysql.pid service mysql.server start #登录 mysql -uroot -p #重启设置密码 ALTER USER ‘root‘@‘localhost‘ identified by ‘123456‘; flush privileges;