Detailed explanation of Zabbix installation and deployment practices

Detailed explanation of Zabbix installation and deployment practices

Preface

Zabbix is ​​one of the most mainstream open source monitoring solutions. The deployment itself is not difficult, but the difficult part is to understand it in depth. Based on the practice in the production environment, all new versions of Zabbix 4.0 LTS are deployed using Docker. I believe that more and more open source components will be presented to us in containerized form in the future.

operating system:

[root@mysql ~]# cat /etc/redhat-release
CentOS Linux release 7.5.1804 (Core)

Mysql: Version 5.7.23 192.168.75.251

Zabbix Server: Version 3.4.12 192.168.75.250

1. Install MySQL

1.1 Download MySQL

Turn off firewall

#systemctl stop firewalld
# systemctl disable firewalld
vi /etc/selinux/config
SELINUX=enforcing changed to SELINUX= disabled

The default database of Centos7 is mariadb, uninstall it first

rpm –qa |grep mariadb
mariadb-libs-5.5.56-2.el7.x86_64
rpm -e --nodeps mariadb-libs-5.5.56-2.el7.x86_64

This version requires boost 1.9, which should also be downloaded

[root@mysql soft]# ll
total 132444
-rw-r--r-- 1 root root 83709983 Aug 10 10:26 boost_1_59_0.tar.gz
-rw-r--r-- 1 root root 51907462 Aug 10 10:26 mysql-5.7.23.tar.gz

Add mysql user,

groupadd mysql
useradd -g mysql -s /sbin/nologin mysql

1.2 Install dependency packages

yum install -y cmake bison bison-devel libaio-devel gcc gcc-c++ git ncurses-devel

1.3 Compilation

Unzip mysql and put the compressed version of boost into the unzipped mysql directory

tar xzvf mysql-5.7.23.tar.gz
mv boost_1_59_0.tar.gz mysql-5.7.23

Enter the MySQL source file directory, create a new configure as the compilation directory, and enter the directory

cd mysql-5.7.23
mkdir configure
cd configure

Use cmake to generate the compilation environment.

cmake .. -DBUILD_CONFIG=mysql_release \

-DINSTALL_LAYOUT=STANDALONE \

-DCMAKE_BUILD_TYPE=RelWithDebInfo \

-DENABLE_DTRACE=OFF \

-DWITH_EMBEDDED_SERVER=OFF \

-DWITH_INNODB_MEMCACHED=ON \

-DWITH_SSL=bundled \

-DWITH_ZLIB=system \

-DWITH_PAM=ON \

-DCMAKE_INSTALL_PREFIX=/var/mysql/ \

-DINSTALL_PLUGINDIR="/var/mysql/lib/plugin" \

-DDEFAULT_CHARSET=utf8 \

-DDEFAULT_COLLATION=utf8_general_ci \

-DWITH_EDITLINE=bundled \

-DFEATURE_SET=community \

-DCOMPILATION_COMMENT="MySQL Server (GPL)" \

-DWITH_DEBUG=OFF \

-DWITH_BOOST=..

Install

make && make install

Modify the configuration file

vim /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/mysql/mysql.sock
port=3306
log_error=/var/mysql/log/error.log
basedir=/var/mysql/
[client]
socket=/var/mysql/mysql.sock
chown mysql.mysql /etc/my.cnf

Creating a log file

mkdir -p /var/mysql/log
touch /var/mysql/log/error.log
touch /var/mysql/mysql.sock
chown -R mysql.mysql /var/mysql/

1.4 Initialization

#/var/mysql/bin/mysqld --initialize --user=mysql

Check whether the data file is generated

#ll /var/lib/mysql

total 110628

-rw-r----- 1 mysql mysql 56 Aug 10 11:06 auto.cnf

-rw-r----- 1 mysql mysql 417 Aug 10 11:06 ib_buffer_pool

-rw-r----- 1 mysql mysql 12582912 Aug 10 11:06 ibdata1

-rw-r----- 1 mysql mysql 50331648 Aug 10 11:06 ib_logfile0

-rw-r----- 1 mysql mysql 50331648 Aug 10 11:06 ib_logfile1

drwxr-x--- 2 mysql mysql 4096 Aug 10 11:06 mysql

drwxr-x--- 2 mysql mysql 8192 Aug 10 11:06 performance_schema

drwxr-x--- 2 mysql mysql 8192 Aug 10 11:06 sys

Check whether the log file is generated

# ll /var/mysql/log

The temporary password is generated and placed in error.log

# cat /var/mysql/log/error.log

2019-11-18T09:06:22.922254Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).

2019-11-18T09:06:24.600401Z 0 [Warning] InnoDB: New log files created, LSN=45790

2019-11-18T09:06:24.853258Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.

2019-11-18T09:06:24.915246Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 5dbf9eac-9c4a-11e8-8768-000c29a48522.

2019-11-18T09:06:24.916709Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.

2019-11-18T09:06:24.917772Z 1 [Note] A temporary password is generated for root@localhost: NS0+>RzwvHWl

1.5 Startup

Modify the initial password and environment variables

Copy the startup file from the template file:

cp /var/mysql/support-files/mysql.server /etc/init.d/mysqld

Modify the startup file:

vim /etc/init.d/mysqld

Find the following two lines:

basedir=

datadir=

Modified to:

basedir=/var/mysql/
datadir=/var/lib/mysql

Changing permissions

#chown -R mysql.mysql /var/mysql /var/lib/mysql

start up

/etc/init.d/mysqld start
ln -s /var/mysql/bin/mysql /usr/bin

Configure MySQL environment variables:

vim /root/.bash_profile

Find the following line:

PATH=$PATH:$HOME/bin

Modified to:

PATH=$PATH:$HOME/bin:/var/mysql/bin

Log in using the temporary password generated above

# mysql –u root –p NS0+>RzwvHWl

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 6

Server version: 5.7.23

Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its

affiliates. Other names may be trademarks of their respective

owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>

Change initial password

mysql> alter user 'root'@'localhost' identified by '123456';

2. Install Zabbix Server

2.1 Install PHP

Install php7.1 version. Zabbix3.0 version requires php5.4 and above.

Check the local PHP version first

php -v

Check the current PHP installation package

yum list installed | grep php

Uninstall the local PHP installation package

yum remove php*

The default yum source cannot upgrade PHP. You need to add a third-party yum source. We choose the webtatic library.

rpm -Uvh https://mirror.webtatic.com/yum/el7/epel-release.rpm
rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm

Install php7.1

yum install -y php71w

Install related plugins

yum install -y php71w-fpm php71w-opcache php71w-cli php71w-gd php71w-imap php71w-mysqlnd php71w-mbstring php71w-mcrypt php71w-pdo php71w-pecl-apcu php71w-pecl-mongodb php71w-pecl-redis php71w-pgsql php71w-xml php71w-xmlrpc php71w-devel mod_php71w php71w-ldap php71w-bcmath

Modify PHP configuration parameters

vim /etc/php.ini
date.timezone = Asia/Shanghai
max_execution_time = 300
post_max_size = 32M
memory_limit = 128M
mbstring.func_overload = 1
max_input_time = 300

Session adjustment permissions,

chmod -R 777 /var/lib/php/session/

2.2 Install zabbix

Install dependency packages

yum -y install gcc* make curl curl-devel net-snmp net-snmp-devel perl-DBI httpd mariadb* mysql-devel libxml2-devel curl-devel unixODBC-devel net-snmp-devel OpenIPMI-devel openldap openldap-devel libevent-develjava-devellibssh2-devel

Create zabbix user and group

groupadd zabbix
useradd -g zabbix zabbix

Compile and install

tar zxvf zabbix-3.4.12.tar.gz
cd zabbix-3.4.12/
./configure --prefix=/usr/local/zabbix --enable-server --enable-proxy --enable-agent --enable-ipv6 --with-mysql --with-net-snmp --with-libcurl --with-openipmi --with-unixodbc --with-ldap --with-ssh2 --enable-java
make && make install
chown -R zabbix.zabbix /usr/local/zabbix

Modify the zabbix configuration file

vi /usr/local/zabbix/etc/zabbix_server.conf
LogFile=/tmp/zabbix_server.log
DebugLevel=3
DBHost=192.168.75.251 #Writing server and database separately DBName=zabbix
DBUser=zabbix
DBPassword=zabbix
DBSocket=/var/mysql/mysql.sock
DBPort=3306
StartPollers=10
Timeout=4
AlertScriptsPath=/usr/local/zabbix/share/zabbix/alertscripts
LogSlowQueries=3000
CacheSize=1024M

The parameters of the later configuration file can be adjusted according to the needs.

Transfer several sql files in the zabbix package to the mysql server above and import the database files

[root@zabbix ~]# cd /opt/soft/zabbix-3.4.12/database/mysql
[root@zabbix mysql]# ll
total 4876
-rw-r--r--. 1 1001 1001 2877497 Jul 30 19:41 data.sql
-rw-r--r--. 1 1001 1001 1978341 Jul 30 19:41 images.sql
-rw-r--r--. 1 1001 1001 134791 Jul 30 19:41 schema.sql
[root@zabbix mysql]# scp * [email protected]:/opt/

The following is done on the mysql (192.168.75.251) server

#mysql -u root –p

Enter password:

Create a zabbix database and set the character set to utf8

mysql>create database zabbix character set utf8 collate utf8_bin;

Create a zabbix user in the mysql database, grant the zabbix user full permissions on the zabbix database, and allow the zabbix server to remotely access mysql

mysql>GRANT ALL PRIVILEGES ON zabbix.* TO [email protected] BY 'zabbix';
mysql>GRANT ALL PRIVILEGES ON zabbix.* TO zabbix@localhost IDENTIFIED BY 'zabbix';
mysql>flush privileges;
mysql>show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
|mysql |
| performance_schema |
|sys|
|zabbix|
+--------------------+
5 rows in set (0.00 sec)

Import data files and operate in the console

#mysql -u zabbix -p zabbix <schema.sql
#mysql -u zabbix -p zabbix <images.sql
#mysql -u zabbix -p zabbix <data.sql

2.3zabbix web deployment

Return to Zabbix Server host operation. httpd has been installed above, create a zabbix directory under apache

mkdir /var/www/html/zabbix

Copy the web interface in the zabbix package to the apache zabbix directory

\cp –rf /opt/soft/zabbix-3.4.12/frontends/php/* /var/www/html/zabbix/

Configuring web security

chown -R apache.apache /var/www/html/zabbix
chmod a+x /var/www/html/zabbix/conf/

Copy the service startup script (server/agentd) in the zabbix package to the Linux system service startup directory

cp /opt/soft/zabbix-3.4.12/misc/init.d/fedora/core/zabbix_server zabbix_agentd/etc/init.d/

Modify /etc/init.d/zabbix_server and /etc/init.d/zabbix_agentd

Change BASEDIR=/usr/local to BASEDIR=/usr/local/zabbix/

Set startup

systemctl enable httpd
systemctl enable zabbix_server
systemctl enable zabbix_agentd
/etc/init.d/zabbix_server start
/etc/init.d/zabbix_agentd start
systemctl start httpd

2.4 Web Service Initialization

http://192.168.75.250/zabbix/setup.php

Connect to the database settings, write the machine where the MySQL server is located, port, database name, user, and password

3. Install Zabbix Proxy

First, install MySQL on the proxy machine. The installation steps are the same as above, but when importing the MySQL file, only one file is imported.

#mysql–uzabbix –p zabbix <schema.sql

Install dependency packages

yum -y install gcc* make curl curl-devel net-snmp net-snmp-devel perl-DBI httpd mariadb* mysql-devel libxml2-devel curl-devel unixODBC-devel net-snmp-devel OpenIPMI-devel openldap openldap-devel libevent-develjava-devellibssh2-devel

Create zabbix user and group

groupadd zabbix
useradd -g zabbix zabbix

Compile and install

tar zxvf zabbix-3.4.12.tar.gz
cd zabbix-3.4.12/
./configure --prefix=/opt/server/zabbix_proxy --enable-proxy --enable-agent --enable-ipv6 --with-mysql --with-net-snmp --with-libcurl --with-openipmi --with-unixodbc --with-ldap --with-ssh2 --enable-java
make && make install
chown -R zabbix.zabbix /opt/server/zabbix_proxy

Configuration file modification

Vi /usr/local/zabbix/etc/zabbix_proxy.conf
Server=192.168.75.250
ServerPort=10051
Hostname=zabbix_proxy
LogFile=/tmp/zabbix_proxy.log
DBHost=localhost#Because mysql and proxy are installed on the same machine DBName=zabbix
DBUser=zabbix
DBPassword=zabbix
DBSocket=/var/mysql/mysql.sock
ConfigFrequency=60
DataSenderFrequency=60
StartPollers=5
Timeout=4
LogSlowQueries=3000

Start the proxy (to be added to the automatic startup)

#/opt/server/zabbix_proxy/sbin/zabbix_proxy-c /opt/server/zabbix_proxy/etc/zabbix_proxy.conf
systemctl enable zabbix_proxy

4. Start the zabbix_agentd client

Same as above, when compiling and installing zabbix, the client is also compiled together, copy the zabbix directory under /usr/local to the client,

Modify the configuration file

vi /usr/local/zabbix/etc/zabbix_agentd.conf
Server=zabbix_proxy_IP #It is recommended that all clients are hung on the proxy for strong scalability. Hostname=zabbix_agentd_hostname #Fill in the client's host name

Start (to be added to the boot-up automatic start)

/usr/local/zabbix/sbin/zabbix_agentd-c /usr/local/zabbix/etc/zabbix_agentd.conf
echo "/usr/local/agent/sbin/zabbix_agentd -c /usr/local/agent/etc/zabbix_agentd.conf" >> /etc/rc.local

5. Web Management

Add monitoring host

Select Host Monitoring Template

Host monitoring success

Summarize

The above is the Zabbix installation and deployment practice introduced by the editor. I hope it will be helpful to everyone. If you have any questions, please leave me a message and the editor will reply to you in time. I would also like to thank everyone for their support of the 123WORDPRESS.COM website!
If you find this article helpful, please feel free to reprint it and please indicate the source. Thank you!

You may also be interested in:
  • Installation and configuration method of Zabbix Agent on Linux platform
  • Zabbix monitors the process of Linux system services
  • Use of Zabbix Api in Linux shell environment
  • How to install Zabbix monitoring in Linux
  • How to set up Zabbix to monitor Linux hosts
  • Zabbix configuration DingTalk alarm function implementation code
  • Detailed examples of Zabbix remote command execution
  • Detailed explanation of zabbix executing scripts or instructions on remote hosts
  • Zabbix monitors Linux hosts based on snmp

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