Zabbix4.0 is deployed in CentOS7

This article is completed by referring to official documents

https://www.zabbix.com/cn/download?zabbix=4.0&os_distribution=centos&os_version=7&db=mysql&ws=apache
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The environment that

• 1, the Zabbix Server. –

CentOS7.9 one VMware vm 192.168.31.232

• 2, Zabbix Agent

CentOS7.9 one VMware VM 192.168.31.127

1. Zabbix Server deployment

1, yum source +EPEL source configuration

curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo 
curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo 
sed -i -e '/mirrors.cloud.aliyuncs.com/d' -e '/mirrors.aliyuncs.com/d' /etc/yum.repos.d/CentOS-Base.repo 
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When disabling SELINUX, calibrate the system time

yum install ntpdate -y
ntpdate ntp.aliyun.com
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2. Install Zabbix Server and Zabbix-agent using yum

The RPM - Uvh https://repo.zabbix.com/zabbix/4.0/rhel/7/x86_64/zabbix-release-4.0-2.el7.noarch.rpm yum install zabbix-server-mysql zabbix-web-mysql zabbix-agentCopy the code

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Install the MariaDB database and import zabbix to initialize the database

yum install mariadb-server
systemctl  start mariadb.service
mysql_secure_installation
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Create the Zabbix database

mysql -uroot -p
create database zabbix character set utf8 collate utf8_bin;
create user zabbix@localhost identified by 'zabbix@2021';
grant all privileges on zabbix.* to zabbix@localhost;
quit;
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Import Zabbix to initialize the database

zcat /usr/share/doc/zabbix-server-mysql*/create.sql.gz | mysql -uzabbix -p zabbix
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4. Change the database password in the configuration file

Vim /etc/zabbix/zabbix_server.conf Change DBPassword=zabbix@2021 and start systemctl restart zabbix-server zabbix-agent HTTPDCopy the code

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5. Modify the time zone in the configuration file

vi /etc/httpd/conf.d/zabbix.conf
php_value date.timezone Asia/Shanghai
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6. PHP. Ini configuration optimization

vim /etc/php.ini
date.timezone = Asia/Shanghai
max_execution_time = 300
memory_limit = 128M
post_max_size = 16M
upload_max_filesize = 2M
max_input_time = 300
max_input_vars = 10000
always_populate_raw_post_data = -1
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7. Start zabbix-server and set it to start automatically upon startup

systemctl enable httpd
systemctl enable zabbix-server
systemctl enable zabbix-agent
systemctl enable mariadb
firewall-cmd  --permanent  --zone=public --add-port=80/tcp
firewall-cmd  --permanent  --zone=public --add-port=10051/tcp
firewall-cmd  --reload
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2. Complete the initialization wizard on the Zabbix-server Web page

http://192.168.31.127/zabbix/setup.php
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Change the interface language to Chinese

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Install and configure Zabbix Agent

1. Configure the yum source

curl -o /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo 
curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo 
sed -i -e '/mirrors.cloud.aliyuncs.com/d' -e '/mirrors.aliyuncs.com/d' /etc/yum.repos.d/CentOS-Base.repo 
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2. Install zabbix-Agent

The RPM - Uvh https://repo.zabbix.com/zabbix/4.0/rhel/7/x86_64/zabbix-release-4.0-2.el7.noarch.rpm yum install zabbix agentCopy the code

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3. Modify the configuration file

Modify the Server and ServerActive IP addresses in the configuration file

sed -i "s/Hostname=Zabbix server/Hostname=centos.walkingcloud.cn/g" /etc/zabbix/zabbix_agentd.conf sed -i "S/ServerActive = = 127.0.0.1 / ServerActive 192.168.31.232 / g"/etc/zabbix/zabbix_agentd conf sed - I "S/Server = 127.0.0.1 / Server = 192.168.31.232 / g"/etc/zabbix/zabbix_agentd conf cat/etc/zabbix/zabbix_agentd conf | grep Server= cat /etc/zabbix/zabbix_agentd.conf | grep ServerActive= cat /etc/zabbix/zabbix_agentd.conf | grep Hostname=Copy the code

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4. Start the zabbix-Agent service and set it to automatically start upon startup

Zabbix-agent needs to play port 10050 on the firewall

firewall-cmd  --permanent  --zone=public --add-port=10050/tcp
firewall-cmd --reload

systemctl enable zabbix-agent
systemctl start zabbix-agent
systemctl status zabbix-agent
tail -f /var/log/zabbix/zabbix_agentd.log
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4. Create a host group and add hosts

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Tips: Solve garbled characters

Solution: Install font and replace existing font \

yum install wqy-microhei-fonts -y

cp /usr/share/fonts/wqy-microhei/wqy-microhei.ttc /usr/share/zabbix/assets/fonts/graphfont.ttf
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5. Trigger alarm tests

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The alarm is generated when the available capacity is less than 80%. The alarm is generated when the in traffic exceeds 70Mbps

Summary: This article is just an initial introduction to the zabbix installation and deployment. Zabbix’s powerful monitoring capabilities will be explored later