Mysql rpm安装(version:mysql-community-5.7.19-1.el7)

  • 进入官网下载页面
  • 点击Community (GPL) Downloads »
  • 选择操作系统Select Operating System:(此处选的是Red Hat Enterprise Linux)
  • 选择操作系统版本Select OS Version:(此处选的是Red Hat Enterprise Linux 7(x86,64-bit))
  • 查看下载列表,点击下载(此处选mysql-version.x86_64.rpm-bundle.tar)
  • 上传到linux服务器
  • 解压
# tar 的-C选项可指定解压路径
#tar -C ./mysql_installer -xvf mysql-version.x86_64.rpm-bundle.tar
 tar -xvf mysql-version.x86_64.rpm-bundle.tar
  • 安装前准备
# Centos6,Red hat6
# 查询已安装的mysql相关软件包
rpm -qa | grep -i mysql  
# 用rpm -e --nodeps 软件包名卸载上面列出的软件包
rpm -e --nodeps mysql-libs-version.x86_64 
# Red hat 7,Centos7
# 查询已安装的mariadb相关软件包
rpm -qa | grep -i mariadb  
# 用rpm -e --nodeps 软件包名卸载上面列出的软件包
rpm -e --nodeps mariadb-libs-version.x86_64 
  • 文件安装顺序(不能乱,有依赖关系)
rpm -ivh mysql-community-common-version.x86_64.rpm  
rpm -ivh mysql-community-libs-version.x86_64.rpm  
rpm -ivh mysql-community-client-version.x86_64.rpm  
# 这一步可能会报error: Failed dependencies:
#  libaio.so.1()(64bit) is needed by mysql-community-server-5.7.16-1.el7.x86_64
# libaio.so.1(LIBAIO_0.1)(64bit) is needed by mysql-community-server-5.7.16-1.el7.x86_64
#  libaio.so.1(LIBAIO_0.4)(64bit) is needed by mysql-community-server-5.7.16-1.el7.x86_64
# net-tools is needed by mysql-community-server-5.7.16-1.el7.x86_64
# 可以去http://mirror.centos.org/centos/7/os/x86_64/Packages/下载libaio和net-tools安装
# 之后再进行mysql-server
rpm -ivh mysql-community-server-version.x86_64.rpm  
  • vim /etc/my.cnf 添加字符集支持中文
# 按i键使vim进入insert模式
[client]
default-character-set=utf8mb4

[mysqld]
character_set_server=utf8mb4
# 按esc使vim退出insert模式直接输入:wq保存并退出
  • 启动mysql
service mysqld start 
或
systemctl start mysqld
  • 获取初始密码
grep 'temporary password' /var/log/mysqld.log
  • 修改初始密码
mysql -uroot -p'初始密码'  
ALTER USER 'root'@'localhost' IDENTIFIED BY '新密码'; 
# 这里你可能遇到ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
# 你需要:
set global validate_password_policy=0;
set global validate_password_length=4;
set PASSWORD = PASSWORD('123456');
  • 放开防火墙、设定自启动、增强MySQL安全设置等
iptables -I INPUT -p tcp -m state --state NEW -m tcp --dport 3306 -j ACCEPT  
/etc/init.d/iptables save  
chkconfig mysqld on  
mysql_secure_installation 
  • 更新到mysql-community-8.0.11-1.el7.x86_64产生的问题,mysql 5.7版本和8.0版本是不兼容的,你使用rpm安装的5.7,使用rpm -e卸载之后数据文件还是存在的,mysql 8.0是启动不起来的,启动mysqld服务的时候,另开一个窗口,tail -f /var/log/mysqld.log打印日志,你就会发现Cannot upgrade server earlier than 5.7 to 8.0这句话,你要做的是把之前遗留的数据库文件也删掉或者移动到其他地方,即rm -rf /var/lib/mysql/*,日志文件的路径及数据库文件路径来源https://dev.mysql.com/doc/refman/8.0/en/linux-installation-rpm.html,其实只要把版本号换一下就是各个版本的rpm安装教程

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