close and open elasticsearch indexes

Elasticsearch is a search engine based on the Lucene library. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. Elasticsearch is developed in Java. In this document, we will show how to open and close the indexes. Here is one of the uses where you might need to open and close the indexes. let’s assume that you are restoring elasticsearch snapshots from the repository using a curator. If you don’t know how to backup and restore elasticsearch data, then check out this…

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Setup nfs server on Amazon Ec2

The Network File System (NFS) is a client/server application that lets a computer user view and optionally store and update files on a remote computer as though they were on the user’s own computer. The NFS protocol is one of several distributed file system standards for network-attached storage (NAS). Setup NFS Server In my case, I have a new EBS volume which is mounted to nfs server on location /backup. I need this volume to be mounted on some of the other servers. Step 1: Install NFS-server packages   Step…

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Forgot Jenkins password??

Jenkins is a free and open-source automation server. It helps automate the parts of software development related to building, testing, and deploying, facilitating continuous integration and continuous delivery. It is a server-based system that runs in servlet containers such as Apache Tomcat. In this document, we show you how to reset the Jenkins password. This tutorial can be used in a crucial situation when you don’t have any other option to recover the admin username and password. Its always recommended having multiple admin privileged accounts. Step 1: Log in to…

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