zabbix 5.0 CentOS7 安装

zabbix yum 源配置：下载Zabbix 5.0 LTS for CentOS 7, MySQL, NGINX

步骤：

# a. Install Zabbix repository
rpm -Uvh https://repo.zabbix.com/zabbix/5.0/rhel/7/x86_64/zabbix-release-5.0-1.el7.noarch.rpm
yum clean all

# b. Install Zabbix server and agent
yum install zabbix-server-mysql zabbix-agent

# c. Install Zabbix frontend
# Enable Red Hat Software Collections
yum install centos-release-scl


# 编辑配置文件 /etc/yum.repos.d/zabbix.repo and enable zabbix-frontend repository.
# 开启 zabbix-frontend yum源
[zabbix-frontend]
...
enabled=1
...

# Install Zabbix frontend packages.
yum install zabbix-web-mysql-scl zabbix-nginx-conf-scl

# 配置数据库
# 查看历史 msyql 安装包，并删除
rpm -qa |grep -i mysql
rpm -e mysql包

# 删除配置文件
rm -rf /etc/my.cnf
rm -rf /var/log/mysqld.log

# 开始安装 yum 源，安装mysql软件包
wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm
yum -y localinstall mysql57-community-release-el7-11.noarch.rpm
yum install mysql-community-server --nogpgcheck

# 启动，保持开机自启
systemctl start mysqld
systemctl enable mysqld    # //设置开机自启
systemctl daemon-reload    # //重新启动，使生效

grep pass  /var/log/mysqld.log  # //进去之后再命令模式输入？再查找localhost，后面的就是默认密码

## 修改密码步骤
vi /etc/my.cnf
# 在配置中增加 ：
skip-grant-tables

# 如果有密码，直接登陆修改密码
# 进来之后，必须重新设置新密码，不然不给你执行其他命令，所以我们先设置一个稍微复杂点，满足要求的密码
ALTER USER 'root'@'localhost' IDENTIFIED BY 'jsijf93209&**Y#ihfiuehwif...';

# 接着，我们想把密码设置成123456，这里要修改密码策略
SHOW VARIABLES LIKE 'validate_password%';

set global validate_password_policy=LOW; 	# //设置最低安全
set global validate_password_length=6; 	# //设置长度为6
ALTER USER 'root'@'localhost' IDENTIFIED BY '123456'; 	# //设置密码为123456
set global max_connections=1000; 	# //临时设置最大连接数
GRANT ALL ON *.* TO user@'%' IDENTIFIED BY '123456' WITH GRANT OPTION; 	# //分配一个账号为user密码为123456的账号可以随地访问mysql
flush privileges; 	# //刷新，一定要执行这个，否则上面命令无效

# 数据库 建库
# d. 创建初始数据库 Make sure you have database server up and running.
# 在数据库主机上运行以下代码。
mysql -uroot -p password
mysql> create database zabbix character set utf8 collate utf8_bin;
mysql> create user zabbix@localhost identified by 'password';
mysql> grant all privileges on zabbix.* to zabbix@localhost;
mysql> quit;

# 导入初始架构和数据，系统将提示您输入新创建的密码。
zcat /usr/share/doc/zabbix-server-mysql*/create.sql.gz | mysql -uzabbix -p zabbix


# e. 为Zabbix server配置数据库
# 编辑配置文件 /etc/zabbix/zabbix_server.conf
DBPassword=password

# f. 为Zabbix前端配置PHP
# 编辑配置文件 /etc/opt/rh/rh-nginx116/nginx/conf.d/zabbix.conf, uncomment and set 'listen' and 'server_name' directives.
listen 80;
server_name example.com;


# 编辑配置文件 /etc/opt/rh/rh-php72/php-fpm.d/zabbix.conf, add nginx to listen.acl_users directive.
listen.acl_users = apache,nginx
# Then uncomment and set the right timezone for you.
; php_value[date.timezone] = Asia/Shanghai


# g. 启动Zabbix server和agent进程
# 启动Zabbix server和agent进程，并为它们设置开机自启：
systemctl restart zabbix-server zabbix-agent rh-nginx116-nginx rh-php72-php-fpm
systemctl enable zabbix-server zabbix-agent rh-nginx116-nginx rh-php72-php-fpm

# 清理yum源避免自动更新
yum clean all

# h. 配置Zabbix前端
# 连接到新安装的Zabbix前端： http://server_ip_or_name
# 根据Zabbix文件里步骤操作： Installing frontend
默认账号/密码：Admin/zabbix