How to use AWS SSM Patch Manager? AWS SSM Patch Manager provides a secure patching experience for both Windows and Linux operating systems. Like other AWS services, AWS SSM can be easily integrated with other services like AWS Identity and Access Management (IAM), AWS CloudTrail, and Amazon EventBridge for notification and the ability to audit […]
Why shell script is giving syntax errors without any issue? The same scripts work in another system
Why shell script is giving syntax errors despite no issue with the script? You might check the script multiple times but still couldn’t figure out what’s causing the problem? I personally come across a similar problem whenever I copy the script from a windows laptop to *NIX systems. The error message contains “syntax error near […]
AWS – S3 Buckets Tag remediation automation
This article will help you to remediate the S3 buckets tags using the AWS CLI script. Amazon’s simple storage service aka s3 is object storage built to retrieve any amount of data from anywhere. It gives a lot of power to the developers and IT support teams to provision and access the storage in no […]
Microsoft Office 365 Backup – What Is the Best Option for You and Your Business
Office 365 offers essential protection to deal with some of the items that could damage your data but do not protect you from it, and there are side effects to some of the optional protection features. Even if you feel well-protected, restoration can be time-consuming and labor-intensive if you do not have a third-party backup […]
Holistic Operational Management – AWS Systems Manager
AWS Systems Manager helps you manage your EC2 instances and On-Premise systems at scale. You can easily get operations insights about the state of your infrastructure. It helps to detect instance issues easily and also it could be patching automation solution to enhance compliance. AWS Systems Manager works for both windows and Linux operating systems […]
Kubernetes Backup – Kasten K10 Test drive
The Kubernetes platform is fundamentally different from earlier compute infrastructures and IaaS. In Kubernetes, there is no mapping of applications to servers or VMs. so the backup solution needs to understand this Kubernetes-native architectural pattern, and be able to deal with continuous change. High-velocity application development and deployment cycles are the norms in Kubernetes environments. […]
Kubernetes – CKA Exam – Sample question 3
Here is yet another interesting and useful sample question for the CKA exam. The Certified Kubernetes Administration exam is a performance-based exam, unlike other professional exams. Hence, you need to make your hands dirty by building a new Kubernetes cluster and trying all the sample questions. In UnixArena, I have shared sample questions and detailed […]
Java Poker — A Perfect Beginner Project
There are some perceptions that among different coding languages today, Java has become old fashioned or outdated. A lot of younger developers today opt for what they consider to be more modern languages — even though some of these, like Python, is as old or older than Java! In some cases, there is logic to the […]
Kubernetes – Stateful vs Stateless applications
Kubernetes is very famous to host stateless applications. With the growth in popularity of containers, companies began to provide ways to manage both stateless and stateful containers in Kubernetes. Stateful applications stores information locally or on the remote storage. Stateful apps use the same servers/pods each time they process a request from a user. Stateful […]
Kubernetes – CKA Exam – Sample questions 2
Here are the second set of sample questions for CKA (Certified Kubernetes exams). This set of questions are related to Kubernetes secrets. A secret is an object that contains a small amount of sensitive data such as a password, a token, or a key. This helps to avoid the plain text passwords in the application […]








