How DevOps Tools Work Together?
As we know DevOPS is a newly emerging term in IT field, which is nothing but a software development practice that emphasizes the collaboration and communication of both software developers and information-technology (IT) operation professionals. It helps us to delivering software product faster and lowering the failure rate of releases.…
Continuous Integration vs Continuous Delivery vs Continuous Deployment
Continuous Integration Continuous Integration (CI) is a development practice that requires developers to integrate code into a shared repository several times a day. Each check-in is then verified by an automated build, allowing teams to detect problems early. By integrating regularly, you can detect errors quickly, and locate them more…
Install Elasticsearch 5.0 on RHEL / CentOS
Install Elasticsearch on RHEL / CentOS This article will cover install Elasticsearch version on CentOS and RHEL distribution. Also guideline to change to Default Cluster and Index settings in Elasticsearch So Let's start with prerequisites Prerequisites: As per the recommendation Elasticsearch need or later and only Oracle’s Java and the…
Install Logstash in RHEL / CentOS
What is Logstash? Logstash is a data collection engine with real-time pipelining capabilities. You can use Logstash to collect your logs, parse them into your desirable format and store them for searching or monitoring for your application. Logstash latest version has more capabilities other than manage event and logs. Logstash…
How to create empty file in ansible playbook
Ansible Task to Create new file on remote machine, Validate and Copy Content on Remote Machine In this article I have covered create a new file on remote machine from ansible playbook, Write contend on new file from ansible , Copy file on remote machine using ansible playbook. We can use file,…
Install Elasticsearch 2.x on CentOS 6
Install Elasticsearch on CentOS 6 This article will cover install Elasticsearch version on CentOS 6. Also guideline to change to Default Cluster and Index settings in Elasticsearch So Let's start with prerequisites Prerequisites: Elasticsearch needed at least Java 7. Install Elasticsearch On CentOS 6 using Elasticsearch Repository Install Public Signing…
How to install Logstash in Linux
Install Logstash in Linux In this article I will cover installation of the Logstash in Linux and basic configuration apart from it I will cover validation of Logstash configuration. How Can we start and stop Logstash and verifying that everything is running properly Let's start with What is Logstash? What…
How to change slow log settings in Elasticsearch
What are the slow log settings in Elasticsearch? Elasticsearch provide facility to keep track of your slow queries while indexing and searching data. It helps us to identify the slow elasticsearch query. You can configure slow log threshold according to your requirement. Its just depends on your architecture. Sometimes 2s…
Partial Update in Elasticsearch
Partial update in elasticsearch works same as updating whole document in Elasticsearch. This process retrieve the document, change it and reindex it again. In elasticsearch partial update is done through Update API. Update API also support scripting language to update a document. We can write our own logic in script…
Updating Whole Document in Elasticsearch
Update Document in Elasticsearch Documents in Elasticsearch are always immutable we cannot replace or change them directly. If we require updating an existing document, we need to reindex or replace it. We can change an existing document by using Index API as well. Elasticsearch delete the old document automatically and…