Shadowing Practice: An Introduction to Basic Zabbix Concepts. Part One - Hosts, Items, and Triggers - Learn English Speaking with Video

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Hosts, items, and triggers are the basic building blocks for data collection and problem detection in Zabbix.

Let's see how we can configure our first host and create a couple of items and triggers for it.

We will begin by creating a host.

Hosts represent our monitoring endpoints,

anything from servers, network hardware,

IoT devices, websites, applications, and any other type of endpoint.

Hosts needs to have a unique host name.

Host also must belong to at least a single host group.

Host groups are used for grouping and filtering and are essential for configuring Zabbix user access permissions.

A host can belong to an unlimited number of host groups.

For our first example, we will use the Cisco SNMP template to monitor our Cisco switch.

The template contains a pre-configured set of items and triggers,

and any changes made on the template will be applied on the hosts utilizing this template.

For SNMP checks to work,

we also need to define an SNMP interface.

An interface represents the endpoint address,

which the values will be polled at by Zabbix.

Zabbix has four types of interfaces,

Zabbix Agent, SNMP, IPMI, and JMX for the corresponding item types.

Not all items use interfaces,

but for these four item types, interfaces are mandatory.

Let's create an SNMP interface,

provide an address and port,

select the SNMP version, and provide an SNMP community.

There are various other settings that we can define for the host,

such as host-level macros, tags,

value maps, inventory, encryption, and IPMI settings.

I will add a tag for my host,

which will provide additional information about the host environment,

and skip the other settings.

Now let's add the host and navigate to monitoring latest data,

where we will be able to see the items and their values collected on this host.

Now let's create another host.

This time I will be creating a Linux host with an agent interface without any templates assigned to it.

Zabbix agent is already deployed on this host,

and we will create items and triggers for it manually.

Let's provide the agent interface information,

tag the host, and add it.

Now let's open host items and create our first item.

We will begin by creating a simple ping item to check our host availability.

Let's give our item a name and select its type, simple check.

Pings, port checks and other simple check items are executed directly by Zabbix server and do not require an agent.

Zabbix provides a variety of item types utilizing different data collection approaches,

but for now we will focus on simple check and agent items.

Let's select the ICMP ping key.

For most items, item keys are used to define what type of metric needs to be collected on a host a host.

For this key, all of the parameters are optional,

so we can remove them.

Items also requires selecting the correct type of information.

Zabbix will attempt to automatically select the correct type of information,

and in this case, it's numeric unsigned,

since the collected value will be equal either to 0 or 1.

The item will ping the selected host interface address.

Let's set the update interval to 1 minute.

This defines how often the ping value is collected.

History and trend storage periods are defined for how long do we wish to store the collected values and trends,

value hourly aggregates.

Let's also tag this item with component availability so we can use this tag to easier filter for the item value.

Let's add the item and proceed with adding our second item, CPU Utilization.

CPU Utilization on our Linux host can be retrieved by Zabbix Agent.

Let's select the Zabbix agent item type and select the System CPU util key.

This key also has various optional parameters.

We can click on the question mark next to the item

key to read more about their possible values in the Zabbix documentation.

Let's add the key without any parameters.

This way the item will use the parameter defaults to collect our values.

We will use the numeric float type of information,

since the item will collect CPU utilization in percent with fractional parts.

Next we will select our agent interface.

This will represent the address of the Zabbix agent,

which will be polled by Zabbix server to retrieve the item values.

Let's set the update interval to 30 seconds,

tag the item with component CPU, and create the item.

Now, if we navigate to latest data,

we can see that both of our items are successfully returning values.

Go back to data collection hosts and click on triggers next to our Linux server host.

Click Create Trigger in the top right corner of the page to create a trigger.

Let's create a trigger which reacts to our host being unreachable via ping.

Give the trigger a short name,

and now let's specify how the problem will be presented by configuring the EventName field.

I will use the builtin host.host macro in myEventName.

Using a built-in macro like this can be extremely useful when creating triggers on templates.

Instead of specifying a static event name,

the macro will be automatically resolved as the host name of the host on which the problem is detected.

Currently we're creating a trigger directly on a host,

so we could be using a static name here,

but I prefer to follow the best practice,

since in real life you will mostly be creating items and triggers on templates,

and then applying the templates on hosts.

Let's set the severity to high and press add to create our first trigger expression.

First, select the ping item,

then select the function which you wish to use for analyzing the collected values.

Zabbix provides a vast selection of functions for different kinds of use cases.

For our first example, we will use the last function,

reacting if the last collected value is equal to zero.

Let's insert the expression and add the trigger.

Now let's add our second trigger.

We will generate a problem if our CPU utilization is over 90%.

Populate the trigger and event name fields and set the severity.

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Click Add to add the new expression.

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Let's select the CPU utilization item and this time use the average function.

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We will detect an issue if the average CPU utilization value over the last 5 minutes is over 90%.

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Using the average function makes the trigger a lot less sensitive compared to using the last function.

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Using functions fit for your use case is vital for reducing trigger flapping and preventing alert floods.

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Let's finish the exercise by adding the trigger.

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In total, we have created two hosts,

107

one for Cisco device monitoring via SNMP using the official Xabix template

108

and one for our Linux server with two items and triggers for ping and CPU monitoring created directly on the host.

109

But this is just the beginning.

110

Feel free to explore our documentation,

111

videos and blog articles to find more information about various types of items,

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trigger function use cases and much more.

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Bu dersin kelimeleri ve konuşma notları

Bu C2 seviyesindeki konuşma dersi “An Introduction to Basic Zabbix Concepts. Part One - Hosts, Items, and Triggers” videosuna dayanıyor. En çok tekrarlanan kelimeler: host, item, trigger, Zabbix, value. Bu videoda gölgeleme çalışması için 112 cümle ve 1179 kelime var. Konuşma bölümü 9:59 sürüyor. Konuşmacı dakikada yaklaşık 118 kelimelik dengeli bir hızla konuşuyor; gölgeleme için rahat bir tempo. Kelimelerin yalnızca %77’i İngilizcede en sık kullanılan 3.000 kelime arasında, bu yüzden kelime dağarcığı zorlayıcı.

Bu videodaki önemli kelimeler

Videodaki en ileri düzey 15 kelime, telaffuzu ve anlamıyla:

Kelime	Telaffuz	Anlam
template isim	/ˈtɛm.plɪt/	şablon, kalıp
configure fiil	/kənˈfɪɡə(ɹ)/	yapılandırmak
parameter isim	/pəˈɹæm.ə.tɚ/	parametre
endpoint isim		bitim noktası, bitiş noktası
macroeconomics isim	/ˌmæk.ɹoʊˌiː.kəˈnɒ.mɪks/	makroekonomi
retrieve fiil	/ɹɪˈtɹiːv/	geri almak
severity isim	/səˈvɛɹ.ə.ti/	vehamet, şiddet
interval isim	/ˈɪntɚvəl/	ara
optional sıfat	/ˈɑp.ʃə.nəl/	ihtiyari, isteğe bağlı
populate fiil	/ˈpɒp.jʊˌleɪt/	meskûn kılmak, şeneltmek
unreachable sıfat		ulaşılmaz
unsigned sıfat		imzasız
aggregate isim	/ˈæɡ.ɹɪ.ɡət/	yığın, kitle
execute fiil	/ˈɛksɪˌkjuːt/	idam etmek
insert fiil	/ɪnˈsɝt/	sokmak

Tekrar etmeye değer cümleler

Videodan, günlük konuşmada yeniden kullanabileceğiniz kısa ve tam cümleler:

Let's add the key without any parameters.
Let's insert the expression and add the trigger.
Let's finish the exercise by adding the trigger.

Dikkat edilecek telaffuzlar

“sh” ve “zh” sesleri: optional /ˈɑp.ʃə.nəl/, documentation /ˌdɑkjəmɛnˈteɪʃən/, fractional /ˈfɹæk.ʃən.əl/, encryption /ɪnˈkɹɪpʃən/, detection /dɪˈtɛk.ʃən/
Uzun kelimeler — vurguyu doğru yere koyun: parameter /pəˈɹæm.ə.tɚ/, macroeconomics /ˌmæk.ɹoʊˌiː.kəˈnɒ.mɪks/, severity /səˈvɛɹ.ə.ti/, documentation /ˌdɑkjəmɛnˈteɪʃən/, manually /ˈmænj(u)əliː/

Türkçe konuşanların zorlandığı sesler:

Kelime başındaki ünsüz kümesi — araya ünlü eklemeyin: numeric /n(j)uːˈmɛɹɪk/, specify /ˈspɛs.əˌfaɪ/, static /ˈstæt.ɪk/, fractional /ˈfɹæk.ʃən.əl/, float /fləʊt/
/æ/ — “e”den daha açık: parameter /pəˈɹæm.ə.tɚ/, macroeconomics /ˌmæk.ɹoʊˌiː.kəˈnɒ.mɪks/, navigate /ˈnæv.ɪ.ɡeɪt/, static /ˈstæt.ɪk/, fractional /ˈfɹæk.ʃən.əl/

Bu videoyla nasıl çalışılır

Videonun tamamını konuşmadan bir kez dinleyin ve bilmediğiniz kelimeleri not edin.
Normal hızda cümle cümle tekrar edin; ritminiz konuşmacıyla aynı olana kadar her cümleyi yineleyin.
Kendinizi kaydedin ve orijinaliyle karşılaştırın; template, configure, parameter gibi kelimelere özellikle dikkat edin.

Gölgeleme Tekniği Nedir?

Gölgeleme, başlangıçta profesyonel tercüman eğitimi için geliştirilen ve çok dilli Dr. Alexander Arguelles tarafından popüler hale getirilen, bilim destekli bir dil öğrenme tekniğidir. Yöntem basit ama güçlüdür: ana dili İngilizce olan bir sesi dinler ve hemen yüksek sesle tekrar edersiniz — konuşmacıyı 1-2 saniye gecikmeyle takip eden bir gölge gibi. Pasif dinleme veya dilbilgisi alıştırmalarının aksine, gölgeleme beyninizi ve ağız kaslarınızı gerçek konuşma kalıplarını eşzamanlı olarak işlemeye ve yeniden üretmeye zorlar. Araştırmalar, telaffuz doğruluğu, tonlama, ritim, bağlı konuşma, dinleme anlama ve konuşma akıcılığını önemli ölçüde geliştirdiğini göstermektedir — bu da onu IELTS Konuşma hazırlığı ve gerçek dünya İngilizce iletişimi için en etkili yöntemlerden biri yapar.

Shadowing tekniği: adım adım eksiksiz rehberi okuyun →

Shadowing Practice: An Introduction to Basic Zabbix Concepts. Part One - Hosts, Items, and Triggers - Learn English Speaking with Video

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Bu dersin kelimeleri ve konuşma notları

Bu videodaki önemli kelimeler

Tekrar etmeye değer cümleler

Dikkat edilecek telaffuzlar

Bu videoyla nasıl çalışılır

Gölgeleme Tekniği Nedir?