CentOS8 安装 zabbix5.4

1、安装mysql8
删除mariadb
yum -y remove mariadb*

2、删除mysql
yum -y remove mysql*

3、获取包
rpm -Uvh https://repo.zabbix.com/zabbix/5.4/rhel/8/x86_64/zabbix-release-5.4-1.el8.noarch.rpm
dnf clean all

4、安装Zabbix server，Web前端，agent
dnf install zabbix-server-mysql zabbix-web-mysql zabbix-apache-conf zabbix-sql-scripts zabbix-agent

5、安装mysql数据库
wget https://repo.mysql.com//mysql80-community-release-el7-1.noarch.rpm
rpm -ivh mysql80-community-release-el7-1.noarch.rpm
yum install mysql-server
启动
systemctl start mysqld.service 
查看mysql状态
systemctl status mysqld.service
mysql -uroot -p（密码是空的直接回车进入）
ALTER USER 'root'@'localhost' IDENTIFIED BY 'newmysql';
创建用户和密码
CREATE USER 'root'@'%' IDENTIFIED BY 'newmysql';
权限赋给root用户，所有ip都能连接
GRANT ALL ON *.* TO 'root'@'%' WITH GRANT OPTION;
更新root密码否则，远程登录会报错
ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'newmysql';
刷新
FLUSH  PRIVILEGES;

创建zabb数据库
create database zabbix character set utf8 collate utf8_bin;
create user zabbix@localhost identified by 'newmysql';
grant all privileges on zabbix.* to zabbix@localhost;
quit;

加入3306端口
firewall-cmd --permanent --zone=public --add-port=3306/tcp
开启刷新防火墙
firewall-cmd --reload

开机自启动
systemctl enable mysqld
systemctl daemon-reload

2、设置zabbix
vim /etc/zabbix/zabbix_server.conf
DBPassword=newmysql
保存退出

设置selinux，命令行下输入setenforce 0