Sarav is the creator and Founding Author of Devops Junction. He has 13+ years of experience in Software Development and Architecture. He has written around 250+ articles on various technologies.
In this article, we are going to see how to monitor your web services or URLs for their SSL expiry and uptime. You can consider this as your SSL certificate expiry monitor and web service uptime monitor or URL Health check monitor for all your web services (URLs) These are[...]
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At times, while we want to get a list of tables and their columns along with their data types from Oracle. It is not so efficient to useDESC <tablename> for all the tables one after another. I had a similar requirement and I came to know that DESC does not[...]
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In this article, we are presenting an AWS Boto Python script that lists all load balancers and their Target group along with the Instances associated and their health check status This script helps you in various ways Get the list of load balancers and their target group and instance mapping[...]
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In this article we are going to see how to connect to remote hosts using Bastion host or Jump Server for Ansible playbook or Adhoc command execution. In General, We know it is a an easy job to connect to remote hosts from Ansible control machine ( where you execute[...]
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I came across a wonderful solution for managing and monitoring the Kubernetes cluster and wanted to share my experience in this post with screenshots. While there are a lot of ways to monitor the Kubernetes cluster like setting up Prometheus, Grafana Deamon set and sidecar container strategies etc. All of[...]
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Managing firewall rules are a tedious task but indispensable for a secure infrastructure. While all the cloud providers are having their own ACL and firewall rule offerings to protect your cloud resources. Some of us are still using the firewall-d for instance/server-level security. While firewall-cmd is really efficient to manage[...]
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Evolution of JMX monitoring Monitoring is an essential part of Site Reliability Engineering and Infrastructure Services. I have started my career a decade ago when there was no many JMX monitoring tools and APMs(Application Performance Monitoring) available. I have worked on my fair share of J2EE Application servers and Servlet[...]
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In this article, we are going to see how to create a Linux Virtual machine and provision it using the Terraform remote execution strategy. We are going to be using SSH method to connect to the Virtual machine and provision it on the go by executing some startup Shell script.[...]
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In this article, we are going to see how to copy or SCP files and directories from local to remote. Control machine to the remote server. We are going to learn how to SCP files from local to the remote host Ansible has dedicated modules to support the copy between[...]
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In this post, we are going to see how to create a weblogic data source using WLST script and an Ansible Playbook. For this example, we are going to create a simple generic data source. What is DataSource? Quick intro A Datasource or Connection Pool is simply a buffer[...]
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