kibana-7-2-install-and-configuration-in-rhel-7-centos

Kibana 7.2 Install and configuration in RHEL 7/Centos

Install and Setup JDK 8+ Download and Install Kibana 7.X Configure Kibana 7.X How to start kibana service?

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elasticsearch-plugin

How to use elastic search EC2 discovery plugin?

Problem To increase the performance in Elasticsearch, many times we add new nodes to Elasticsearch cluster and manually change the configuration file with new IP address, etc. so that it…

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elasticsearch-error-node

Elastic Search Error – Node is started with node.data=false, but has shard data

[2019-07-11T09:59:18,013][ERROR][o.e.b.Bootstrap ] [es-master01] Exception java.lang.IllegalStateException: Node is started with node.data=false, but has shard data: [/home/ec2-user/elasticsearch-7.2.0/data/nodes/0/indices/6XsNftnbSbOnzPK3wOKc 0w/0]. Use ‘elasticsearch-node repurpose’ tool to clean up at org.elasticsearch.env.NodeEnvironment.ensureNoShardData(NodeEnvironment.java:1065) ~[elasticsearch-7.2.0.jar:7.2.0] at org.elasticsearch.env.NodeEnvironment.(NodeEnvironment.java:324) ~[elasticsearch-7.2.0.jar:7.2.0] Solution

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elastic-search-error-max-virtual-memory-areas

Elastic Search Error – max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

Errors [2]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144] Solution To make it persistent, you can add this line: $ sudo vi /etc/sysctl.conf…

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elastic-search-error-max-max-file-descriptors

Elastic Search Error – max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535]

Elastic Search Error – max file descriptors [4096] for elasticsearch process is too low, increase to at least [65535] Solution Temporary to the current login session To set ulimit value…

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application-x-ndjson-and-application-json

What is difference between application/x-ndjson and application/json?

Lets understand what is json? JSON stands for JavaScript Object Notation JSON is a lightweight format for storing and transporting data JSON is often used when data is sent from…

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elasticsearch-error-content-type-header

ElasticSearch Error – Content-Type header [application/x-www-form-urlencoded] is not supported

To fix this, add curl option -H ‘Content-Type: application/json’. This error is due to strict content-type checking introduced in ElasticSearch 6.0 Solution

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octopus-deploy-backup-and-restore

Understading Octopus Deploy Backup and restore process

Your Master Key When an Octopus Server is installed, we generate a special key used for encryption, called the master key. The master key is then encrypted asymmetrically, using DPAPI,…

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create-a-subscribe-form-for

How to create a subscribe form for your rss feed

  Create a subscribe form for your rss feed   Joomla Website with K2 Content https://www.templatemonster.com/help/joomla-2-5-x-how-to-set-up-rss-feeds.html   RSS To email using mailchimp https://mailchimp.com/features/rss-to-email/   RSS To email using hubspot https://knowledge.hubspot.com/blog-user-guide-v2/how-to-set-up-an-rss-to-email-blog-subscription-for-an-external-blog…

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configure-the-knife-command

Configure the Knife Command – Chef

We now have to configure the knife command. This command is the central way of communicating with our server and the nodes that we will be configuring. We need to tell it…

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install-atlassian-jira-using-docker

How to install Atlassian Jira using Docker?

Install Atlassian Jira using Docker Download and Run the jira latest: # docker run –detach –publish 8080:8080 cptactionhank/atlassian-jira:latest Then simply navigate your preferred browser to http://[dockerhost]:8080 and finish the configuration. Notes:…

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setup-aws-credentials-using-aws-command

How to Setup AWS Credentials using AWS Command Line Interface?

Setup AWS Credentails using AWS Command Line Interface Install the AWS CLI Using Pip Please click here complete installation guide. Test the AWS CLI Installation [code] $ aws help[/code] Environment…

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implement-chef-roles-using-chef-server

Chef roles Tutorials and Example

What is Role? A role is a way to define certain patterns and processes that exist across nodes in an organization as belonging to a single job function. Each role…

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Jenkins Backup and Restore Process | Jenkins Tutorial

Jenkins Backup and Restore using ThinBackup Plugins OLD METHODS as follow: How Do I Backup Jenkins Jobs using Grunt? Backup Jenkins configuration to S3 bash-backup-script for jenkins‘ job-configs via user-crontab…

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devops-course-training

DevOps Courses and Training | DevOps Training | Online | Classroom

About the DevOps Course DevOps integrates devlopers and operation teams in order to improve collobration and productivity by automation infrastrcure, automationg workflows and continously application performance. DevOps helps You deliver…

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shell-bash-scripting-training

Shell Scripting (Bash) Training | Bash/Shell Scripting Course

Introduction Introduction Why Shell Scripting? Linux Internal What to Expect From This Course? Prerequisites Git fundamental Introduction of git Git setup Basic operations in git Github Summary A First Look…

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build-and-release-training-with-jenkins-maven-ant-svn-git

Build and Release Course Training with Jenkins / Maven /Ant/ SVN & Git

Upcoming Training Dates | Training Agenda | Training Calender | FAQ | Why scmGalaxy Online Training Click Here Mode – Online based Email – info@scmgalaxy.com Lab Setup Details – Prerequisites Operating Systems – Windows 7…

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linux-build-server

Linux Tutorials: How to troubleshoot Linux Server?

If a linux-build-server suddenly starts getting slow, I would divide my approach / troubleshooting into 3 section as follows; 1. System Level troubleshooting a. RAM related issues b. Disk Space related…

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