Category Archives: Linux

Open Source Linux Operating System.

Getting Started with ELK

Setting Up ELK To Centralize & Visualize Logs Lets setup the below mentioned key components one by one: Logstash: The server component of Logstash that processes incoming logs Elasticsearch: Stores all of the logs Kibana: Web interface for searching and … Continue reading

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What is ELK ??

The ELK Stack ELK stands for Elasticsearch Logstash and Kibana which are technologies for creating visualizations from raw data. Elasticsearch Elasticsearch is a distributed, open source search and analytics engine, designed for horizontal scalability, reliability, and easy management. It combines … Continue reading

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Verify Certificate

How to verify certificate & it content with the help of openssl set of commands.  1. Verify the subject and issuer of a certificate [root@fedora101 CA]# openssl x509 -subject -issuer -enddate -noout -in /tmp/fedora101.crt subject= /C=IN/ST=UP/O=Plentree Enterprise Ltd/CN=Amit Vashist/emailAddress=plentree.ca@vashist.com issuer= … Continue reading

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Certificate Signing Request

Certificate Signing Request In public key infrastructure (PKI) systems, a certificate signing request (also CSR or certification request) is a message sent from an applicant to a certificate authority in order to apply for a digital identity certificate. The most … Continue reading

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OpenSSL

OpenSSL Project The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS) protocols as well as a full-strength general purpose cryptography … Continue reading

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Deploy and Manage Your Docker Containers with Cockpit

Project Atomic integrates the tools and patterns of container-based application and service deployment with trusted operating system platforms to deliver an end-to-end hosting architecture that’s modern, reliable, and secure. Cockpit A remote manager for GNU/Linux servers Cockpit is a server … Continue reading

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Getting Started with Docker

How To Install and Use Docker Docker is an open-source project that makes creating and managing Linux containers really easy. Containers are like extremely lightweight VMs – they allow code to run in isolation from other containers but safely share … Continue reading

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