Detailed process of zabbix monitoring process and port through agent

Environment Introduction

Operating system: centos 7.4

Zabbix version: zabbix server 3.4.7

Client: zabbix-agent 3.4.7

Monitoring process: mysqld

Monitoring port: 3306 tcp

Process Monitoring

Confirm that the client has been installed and the agent is running

View Process

View several processes belonging to that user

The mysql process is two processes of the root user

Add monitoring items

Write any name

Type zabbix-client

Key value selection process number return number

Application selection prosesesses process

proc.num[<name>,<user>,<state>,<cmdline>]

The following is the monitoring configuration of the MySQL process, and the parameter description in key.

<name> The first parameter is the process name. It is not necessary to fill it in. Filling it in will make the monitoring less accurate (only for personal testing)

<user> The second parameter is the user name of the running process

<state> The third one is the state of the process. The general selection all includes: all (default) , run , sleep , zomb

The fourth parameter of <cmdline> is used to specify the characters contained in the process name to filter the processes.

Confirm Update

Create a trigger

Select the monitoring item you just created

insert

Modify {hgh3a01:proc.num[,root,all,mysqld].last()}=0

for

{hgh3a01 : proc.num[,root,all,mysqld] . max(#2)}=2

hgh3a01 : host name

proc.num[,root,all,mysqld] ：monitoring items

max(#2)}=2 : Indicates that the values ​​received the last two times are both 2 processes (ps -ef shows that there are two mysqld processes, so value = 2), indicating that the mysqld process is running, and an alarm is triggered.

Because we want to test whether the alarm can be triggered, we need to select =2. Normal <1 means it is not running.

Wait a few minutes to see if the trigger can be triggered.

Receive email warning

Change the test process to normal (because mysql runs two processes, I set the trigger to issue an alarm when the number of processes is less than two)

Save the update and observe whether it returns to normal

Monitoring Port

Add monitoring items

Modify port save update

Same as monitoring process (test first)

Receive trigger warnings

Adjust the previous value to 0

Test returned normal

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