In this article let us explore the reasons why we need POD in Kubernetes and why cannot we deploy the container directly to Kubernetes. Before we start with our reasoning, Let us refresh our memory with what is POD POD ( as in a pod of whales or a pod[…]
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When you are working with AWS Cloud infrastructure and when you have 100s of instances to manage in multiple accounts. You might know how hard it is to get the private IP or the public IP info or any other details of a particular EC2 instance Let’s say your entire[…]
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Ansible SystemD module helps to control the systemd units such as services and timers created on the Linux server. SystemD is a daemon that manages the services and timer units on the Linux system and we mostly interact with it using the following ways service file systemctl command journalctl command[…]
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Every organization out there has a single agenda, that their application should be up and running all the time, including at the time of a new release. To keep the application live at the time of deployment companies will follow different approaches to succeed in zero downtime deployment like Multi-Service[…]
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In this article, we will see an example of how to use ebs_block_device mapping with AWS EC2 instance This article would use the template of Multiple EC2 instance creation using for_each and count together. It is highly recommended that you read our previous article on how to create multiple ec2[…]
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In this article we are going to see how to fix the access denied and unauthorized errors while using the containers of container-registry.oracle.com. Most of us at times might have got this exceptions access denied and unauthorized while downloading the image using docker pull command. This article is all about[…]
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Overview An Automation script Linux for Log rotation, LogPurging and Compressing For weblogic and tomcat Installations. In Big infrastructure when you are running multiple Tomcat, weblogic, JBoss (or) Websphere instances or domains. The Biggest problem that you would face often as a system administrator is disk space issue. Perhaps, the[…]
Read moreWhile running a script to login to multiple remote servers using sshpass (or) keybased authentication (or) while logging to remote server using ssh (or) while copying the file using SCP. There are chances we might have encountered this “Host Key Verification failed” message. All the time we cannot do manual[…]
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Splunk is a well known and popular log management and application monitoring operation intelligence technology/product. It generally parses logs(machine data) and take them as raw data and lets users to search, monitor, analyze and visualize them. Here I will give you a little practical overview and show how it looks[…]
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