Shulou(Shulou.com)06/02 Report--

1. Manually add a monitored server

Add a monitored server process

The monitored host ip:10.55.2.83,OS:RHEL 6.5 in this test

Agent installation on the monitored side

A. Configure the zabbix yum source and install

# yum install zabbix-agent zabbix-sender

B. Modify the configuration, Passiv checks (waiting for the zabbix host to grab data) and Active checks (actively providing data to the zabbix host)

Passive checks mode is used first in this test.

/ etc/zabbix/zabbix_agentd.conf

Passive checks related (configuration related to passive detection: agent waits for server to request data) * Server=10.55.2.81 uses commas to separate the server addresses to which zabbix-server or zabbix-proxy are authorized to collect data; ListenPort=10050 ListenIP=0.0.0.0 StartAgents=3

Note: Hostname must be filled in when configuring active mode

# Active checks related (active detection of relevant configurations: agent actively sends monitoring data to server) * ServerActive=IP [: Port] comma-separated server where the current agent actively sends monitoring data in the past; * Hostname=HOSTNAME

C. Start zabbix-agent and set it to boot automatically. The default port for startup on the agent side is 10050.

~] # chkconfig zabbix-agent on~] # chkconfig-- list zabbix-agentzabbix-agent 0:off 1:off 2:on 3:on 4:on 5:on 6:off ~] # service zabbix-agent startStarting Zabbix agent: [OK] ss-tnl 10050 port LISTEN 0128:: 10050 : * LISTEN 0128 *: 10050 *: * add monitoring configuration to the web configuration interface

A complete and simple monitoring configuration:

Host group-- > host-- > [applications]-> item-- > trigger (Events)-> (Media Type,User Group,User)-> action (conditions,operations (send message,remote script))

Define hostgroup

I used Linux servers built in zabbix for this test.

Define hosts

Define the monitoring item application

Define items

Set in item, select the zabbix agent option for type

The latest sampled data can be seen in the Latest data in Monitoring.

Add trigger

Trigger trigger events: the level at which a monitor item can have more than one trigger; but a trigger can only be associated with one monitor item trigger: trigger expression: {:. (parameter)}: threshold; diff (): compare whether the sampling value is the same as the prior value; usually through checksum; min (): the minimum value within a specified interval or time range Max () avg () nodata ()

Trigger statu

Define the medium

Administration---- > Media types

Add media users combined users

Note: you can only fill in one email address in the recipient by using the mail function provided with zabbix.

Add action based on trigger

Action is the global configuration of zabbix, so it is not available in hosts

Here I define the first 3 10 minutes to send to ops users

Alarm upgrade setting, 4-6 10 minutes sent to boss users

2. Alarm test

When an alarm occurs on a server, the first thing to do is to remote command it first. If it fails, the alarm will be upgraded and send message will be carried out.

Remote command test

This time, a httpd server is tested, and its port 80 is monitored. If it is down, it will resume automatically.

Server address: 10.55.10.79

Add a monitoring item to monitor its port 80

Manually shut down the service for event testing:-> ok

[root@itblog yum.repos.d] # systemctl stop httpd.service [root@itblog yum.repos.d] # systemctl start httpd.service

The configuration that needs to be done on the agent side

Tty problem description: usermod zabbix-s / bin/bash (1) zabbix users need administrative rights (based on sudo authorization); edit / etc/sudoers (visudo) 1) Defaults requiretty, modified to # Defaults requiretty, indicating no need to control the terminal. 2) Defaults requiretty, modified to Default:nobody! requiretty, which means that only nobody users do not need to control the terminal. (2) the agent process should allow the execution of remote commands EnableRemoteCommands=1 add remote command script, first add sudo permission of zabbix ~] # visudo add zabbix ALL= (ALL) NOPASSWD: ALLzabbix can run all operations on this host without password comments centos7 will have such requirements, otherwise it will report the error of tty # Defaults requiretty edit zabbix configuration file, enable remote command function ~] # vim / etc/zabbix/zabbix_agentd.confEnableRemoteCommands=1LogRemoteCommands=1 # logging ~] # systemctl restart zabbix-agent.service

Add action

When the httpd service cannot be repaired automatically, update the alarm and send email.

Test result

Manually shut down httpd

[root@itblog ~] # systemctl stop httpd.service [root@itblog ~] # ss-tnlState Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 50 *: 3306 *: * LISTEN 0128 *: 22 *: * LISTEN 0 128 *: 10050 *: * LISTEN 0 128: 22:: * LISTEN 0 : 10050: *

Action:remote command will be activated and the service will be started automatically.

[root@itblog] # ss-tnlState Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 50 *: 3306 *: * LISTEN 0128 *: 22 *: * LISTEN 0128 *: 10050 *: * LISTEN 0128: 80:: * LISTEN 0128: :: 22:: * LISTEN 0128: 10050: * Custom scriptsend message: Media Type in the Media Type of the alarm: the channel for delivering messages Script: used to define the information channel. The script that completes the message delivery; (1) the script placement path: / etc/zabbix/zabbix_server.conf AlertScriptPath=/usr/lib/zabbix/alertscripts (2) zabbix passes three parameters to the script: $1: the target of the message sent over this channel; $2: the subject; of the message $3: the body of the message Users: receives messages using a specified channel; User Groups: user's logical container

Write a test script

Here I changed an email script for python, and the send_mail function accepts the three parameters mentioned above.

2.6.6 included with python version RHEL 6.5

[root@wuzabbix ~] # vim / usr _ coding:utf-8 _ current_time=time.strftime _ alertscripts _ Time.localtime (time.time ()) mail_host = '10.55.1.13'mail_user =' wuzabbix@*'#mail_pwd ='* 'def send_email (content,mailto, get_sub): # msg = MIMEText (content.encode (' utf8'), _ subtype=' html', _ charset = 'utf8') msg = MIMEText (content,_subtype='plain' _ charset='gb2312') msg ['From'] = mail_user msg [' Subject'] = get_sub msg ['To'] = "," .join (mailto) try: s = smtplib.SMTP () s.connect (mail_host,25) s.sendmail (mail_user,mailto,msg.as_string ()) s.close () except Exception as e: print' Exception:' E title=sys.argv [2] cont= ""-Abstract:% s-- Date:% s-- -""% (sys.argv [3]) Current_time) to_list = ['% s% (sys.argv [1]),] with open ('/ tmp/sendmail_qs.log','ab') as f: f.write ('% s Receive address:% s Title:% s\ n% (current_time,sys.argv [1], title)) send_email (cont,to_list,title)

Add permissions and send tests on this machine:

Chmod + x altermail.py [root@wuzabbix alertscripts] # python altermail.py yaominghe@* test test

Email accept OK

Custom media type

Edit the action of webservice that I just defined

Modify the ops users just defined, and also modify the media defined in users

Close httpd for testing

[root@itblog ~] # systemctl stop httpd.service [root@itblog ~] # ss-tnlState Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 50 *: 3306 *: * LISTEN 0128 *: 22 *: * LISTEN 0 128 *: 10050 *: * LISTEN 0 128 127.0.1 LISTEN 199 *: * LISTEN 0 LISTEN 0 128: 10050: *

3. Key built-in key

Add item based on key+parameter

For more information on how to use it, you can check the documentation in the official document.

Https://www.zabbix.com/documentation/3.0/manual/config/items/itemtypes/zabbix_agent

Test defines the inbound traffic of a network card

Store value: As is: no data processing; Delta (Simple change): this sampling data minus the previous sampling data; Delta (speed per second): this sampling data minus the previous sampling data, and then divided by the sampling interval

By this time, the data has already come.

User-defined key

UserParameter

4. Display interface image Graphs

Continue to add multiple item on the 10.55.2.83 server to monitor network traffic

Select graphs in the host settings to configure

Add it to add and view it in monitorring.

Screen

Integrate multiple graph on the same screen for display

Slide shows

Display multiple screen in slide show way

5. Template

Application template testing

Open a new monitored host 10.55.1.13 Install zabbix-agent Zabbix-sender and configure [root@wulmail zabbix] # vim zabbix_agentd.confServer=10.55.2.81EnableRemoteCommands=1LogRemoteCommands=1ServerActive=127.0.0.1,10.55.2.81Hostname=wulmail # to enable active monitoring must specify hostname [root @ wulmail ~] # service zabbix-agent startStarting Zabbix agent: [OK] [root@wulmail ~] # chkconfig zabbix-agent on [root@wulmail ~] # chkconfig-- list | grep zabbix-agentzabbix -agent 0: off 1: close 2: enable 3: enable 4: enable 5: enable 6: shut down the web side to add hosts

Due to the application of the template, all the things that need to be added manually after clicking add are completed automatically.

Templates can be built into the system or defined according to your own needs.

6. Macros and custom key macros: macro, default text replacement mode; two: built-in custom {$MACRO} naming methods: uppercase letters, numbers and underscores; level: global template host-> template-- > global

Global macro

Customize a {HTTP_PORT} global macro for testing

Template macro

Host macro

The host defines a macro for testing

User-defined key location: implemented on the zabbix agent side Zabbix_agentd.conf UserParameter syntax format: UserParameter=, usage example: monitoring memory information UserParameter=memory.usage [*], cat / proc/meminfo | awk'/ ^ $1zabbix_agentd.conf UserParameter / {print $2} 'Monitoring nginx status page UserParameter=ngx.active [*], curl-s http://$1:$2/$3 | awk' / ^ Active/ {print $3} 'UserParameter=ngx.accepts [*], curl-s http://$1:$2/$3 | awk' / ^ [: space:]]

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