CentOS7.9安装zabbix5.4.4

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已于 2022-02-24 16:18:17 修改

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分类专栏： linux系统运维文章标签： mysql php linux

于 2022-02-24 16:09:14 首次发布

本文链接：https://blog.youkuaiyun.com/mk_in/article/details/123110264

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本文档详细介绍了在CentOS7.9上通过yum安装LNMP环境，并逐步完成Zabbix 5.4.4的安装过程。包括安装php、mysql，配置nginx并进行测试，探讨nginx访问php的原理，以及PHP的配置和优化。通过实例代码展示了PDO连接mysql。

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zabbix是基于LAMP或者LNMP架构环境安装

yum安装lnmp

cat > /etc/yum.repos.d/nginx.repo <<EOF
[nginx-stable]
name=nginx stable repo
baseurl=http://nginx.org/packages/centos/\$releasever/\$basearch/
gpgcheck=1
enabled=1
gpgkey=https://nginx.org/keys/nginx_signing.key
module_hotfixes=true
EOF
yum install nginx -y
systemctl start nginx
systemctl enable nginx

安装php

配置php72yum源
 rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
 rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
yum -y remove php*
yum -y install php72w php72w-cli php72w-common php72w-devel php72w-embedded php72w-fpm php72w-gd php72w-mbstring php72w-mysqlnd php72w-opcache php72w-pdo php72w-xml
systemctl start php-fpm
systemctl enable php-fpm

安装mysql

rpm -ivh http://repo.mysql.com/yum/mysql-5.7-community/el/7/x86_64/mysql57-community-release-el7-10.noarch.rpm
yum install mysql-community-server -y
systemctl start mysqld
systemctl enable mysqld
mkdir /soft/code/

配置nginx 测试

 vim /etc/nginx/conf.d/default.conf
server {
    listen       80;
    server_name  localhost;
    location / {
        root  /soft/code;
        index  index.html index.htm;
    }
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
location ~ \.php$ {
    root           html;
    fastcgi_pass   127.0.0.1:9000;
    fastcgi_index  index.php;
    fastcgi_param  SCRIPT_FILENAME  /soft/code$fastcgi_script_name;
    include        fastcgi_params;
}
}

[root@localhost code]# cat info.php 
<?php
phpinfo();
?>

mysqli连接
[root@localhost code]# cat mysqli.php 
<?php
$servername = "127.0.0.1";
$username = "root";
$password = "";

mysqlpdo连接
[root@localhost code]# cat pdo.php

<?php $servername = "127.0.0.1"; $username = "root"; $password = ""; try { $conn = new PDO("mysql:host=$servername;", $username, $password); echo "连接成功"; } catch(PDOException $e) { echo $e->getMessage(); } ?>

这是因为修改mysql socket 位置造成的 修改 
vim /etc/php.ini 
.....
pdo_mysql.default_socket=
.....
mysqli.default_socket =
.....
修改成/tmp/mysql.socket 重启php-fpm
如果发现连接还是报错的话,把servername 改成127.0.0.1，别用localhost

// 创建连接
$conn = new mysqli($servername, $username, $password);
 
// 检测连接
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
} 
echo "连接成功";
?>

## 安装zabbix 第一步安装依赖包

#安装依赖包
yum -y install net-snmp-devel libevent-devel mysql-devel  libxml2-devel  curl-devel *bcmath*
#下载zabbix安装包
wget https://cdn.zabbix.com/zabbix/sources/stable/5.4/zabbix-5.4.4.tar.gz
#解压
tar xf zabbix-5.4.4.tar.gz  -C /home
#创建用户
useradd -r -M -s /sbin/nologin zabbix

#配置数据库
mysql> create database zabbix character set utf8 collate utf8_bin;    #创建zabbix用户
mysql> grant all privileges on zabbix.* to 'zabbix'@'localhost' identified by 'zabbix123!';	//授权用户
mysql> flush privileges;		#刷新权限
mysql>

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