David Diab

Logs from Filebeat to Logstash to Elasticsearch – 2

As promised in the previous blog, I will show how to configure Filebeat to push logs to Logstash, then to Elasticsearch. This for sure will not cover all use cases, but will give you an idea(…)

JBoss EAP 7 – Use vault to protect passwords

JBoss EAP simplifies a lot of server configuration by consolidating all subsystem configurations into a single XML file (standalone.xml or domain.xml). This, however, can expose sensitive information to any user that has access to the configuration files. For example, datasource(…)

Logs from Filebeat to Logstash to Elasticsearch -1

In a previous blog, we saw together the difference between Filebeat and Logstash, we said also that both can cooperate together in some cases. In this blog series we will deep into a use case: send(…)

ELK Stack – Filebeat vs Logstash

Filebeat and Logstash are both comprised in ELK Stack, in this blog we will compare both with some use cases. So, you can then take the most appropriate to your case.

Elasticsearch – Snapshot Lifecycle Management (SLM)

In a previous blog, I spoke about snapshot, restore, and briefly about Snapshot Lifecycle Management. In this blog, I will go more in deep in SLM.

Elasticsearch – Snapshot and Restore

No need to explain what is a snapshot and restore, how much they are important to any platform, software, database, aso. In this blog, I will show you how to take snapshots of your Elasticsearch cluster and how to restore.

Elasticsearch Upgrade – What about index compatibility?

Upgrade Elasticsearch is an easy task, I always heard this sentence. Which is correct if you take care about indices and compatibility. At a customer, I had the chance to upgrade an old version of Elasticsearch, today I will share(…)

Elasticsearch queries: Domain Specific Language (DSL)

There are several query languages to query Elasticsearch (e.g. KQL, EQL, DSL, aso), in this blog I will speak about Domain Specific Language (DSL) which is the most flexible and gives access to all Elasticsearch options!(…)

JBoss EAP vs. WildFly : What’s the difference?

I heard the following question a lot, what is the difference between JBoss EAP and Widfly? It is a very good question which deserves a detailed answer, that's what I will try to do throw this article!(…)

Elasticsearch: is case-sensitive or insensitive?

One more blog in the Elasticsearch series (blogs list at the bottom), this time we will try to learn more together about indexing and search, more specifically answer the question: is Elasticsearch case-sensitive or case-insensitive?(…)