mysql(37) : centos7在线安装mysql8

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1.安装mysql8

cat > install_mysql8.sh <<'EOF'
#!/bin/bash

curl -sO https://repo.mysql.com//mysql80-community-release-el7-5.noarch.rpm
rpm -ivh mysql80-community-release-el7-5.noarch.rpm
yum clean all
yum makecache
yum repolist | grep mysql
yum install -y mysql-community-server
systemctl disable mysqld
systemctl start mysqld
systemctl status mysqld

EOF

sh install_mysql8.sh

2.查看密码

cat /var/log/mysqld.log  | grep password | awk -F"root@localhost: " '{print $2}'

3.修改密码

登录(回车后输入密码)

mysql -uroot -p

修改

alter user user() identified by '@Root1234';

登录

mysql -uroot -p@Root1234