ZABBIX安装过程遇到的坑

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本文详细记录了在CentOS7上安装ZABBIX3.4的过程，包括停用firewalld，安装ZABBIX组件，创建数据库，解决libmysqlclient.so.18错误，配置HTTPD和处理Web报404问题，以及MySQL连接错误的修复。在安装过程中遇到的问题及解决方法对其他ZABBIX用户具有参考价值。

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ZABBIX3.4 安装 CentOs7

参考链接：http://blog.youkuaiyun.com/xiegh2014/article/details/77571965

vim /etc/selinux/config
SELINUX=disabled

systemctl stop firewalld.service
systemctl disable firewalld.service
firewall-cmd --state

rpm -ivh http://repo.zabbix.com/zabbix/3.4/rhel/7/x86_64/zabbix-release-3.4-1.el7.centos.noarch.rpm
yum install zabbix-server-mysql zabbix-web-mysql -y
create database zabbix character set utf8 collate utf8_bin;
grant all privileges on zabbix.* to zabbix@localhost identified by 'zabbix';
#zcat /usr/share/doc/zabbix-server-mysql-3.4.5/create.sql.gz | mysql -uroot -p123456 zabbix
use zabbix
source /usr/share/doc/zabbix-server-mysql-3.4.5/create.sql
修改用户
grep -n '^'[a-Z] /etc/zabbix/zabbix_server.conf
设置开机启动

systemctl enable zabbix-server
systemctl start zabbix-server
systemctl status zabbix-server
journalctl -xe

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遇到问题
/usr/sbin/zabbix_server: error while loading shared libraries: libmysqlclient.so.18
解决
可以网上下载libmysqlclient.so.18 或者重命名
在/usr/local/mysql/lib 下 ll 列出链接关系
发现libmysqlclient.so -> libmysqlclient.so.20
然后我们改变链接关系删掉原来的链接重新建立链接
rm -rf libmysqlclient.so
ln -s libmysqlclient.so.18 libmysqlclient.so
ln -s /usr/local/mysql/lib/libmysqlclient.so.18 /usr/lib64/
systemctl start zabbix-server
启动成功

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vim /etc/httpd/conf.d/zabbix.conf
php_value date.timezone Asia/Shanghai
systemctl start httpd
systemctl enable httpd

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报错
进入http://ip/zabbix/时web报404
解决
查找了很多资料后发现zabbix web默认页面路径是/var/www/html/
修改 /etc/httpd/conf/httpd.conf
将其改为 DocumentRoot "/var/www/html/"
重启 /bin/systemctl restart httpd.service
systemctl restart zabbix-server
成功进入页面

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Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
在my.cnf 里面加上
[mysqladmin]
user = zabbix
password = zabbix
socket = /var/lib/mysql/mysql.sock

出现了新问题
Access deny
授权GRANT ALL PRIVILEGES ON *.* TO 'zabbix'@'%' IDENTIFIED BY 'zabbix' WITH GRANT OPTION;
成功

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