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Ansible Playbook: Retrieves a list of installed packages along with their versions before & After upgrading
Below is an Ansible playbook script that performs the following actions sequentially: This playbook assumes the target systems are using…
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How to Send an email from AWS ec2 or Azure VM or Google Instance using mail or sendmail linux commands
Sending an email directly from cloud virtual machines (VMs) like AWS EC2, Azure VM, or Google Cloud Compute Engine using…
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Troubleshooting Guide: mail, mailx & sendmail commands when sending an email
When sending emails from the command line using utilities like mail, mailx, or sendmail, troubleshooting can involve several steps to…
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Error: Connection timed out with aspmx3.googlemail.com & Network is unreachable
Scenario I recieved these errors while sending an email from AWS Ec2 instance to google mail services. Error Issues and…
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What is Circles.Life?
Circles.Life is a brand under Liberty Wireless. Liberty Wireless, a digital telecommunications company based in Singapore, established Circles.Life as its…
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Checklist for troubleshooting performance issues in Solr
Gather information: Troubleshooting performance issues in Apache Solr, a popular open-source search platform, requires a systematic approach to identify and…
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What is Change Request and Change Management(CRCM)?
n software engineering, Change Request and Change Management (CRCM) is a critical component of project management and software development. It…
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What is PubSub+B Solace?
What is Pubsub? Pub/Sub, often written as PubSub, stands for publish-subscribe. It’s a messaging architecture pattern for asynchronous communication between…
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List of event streaming and event-driven systems?
Open-source Event Streaming Platforms: Apache Kafka: Highly scalable and reliable platform for high-volume data streams, widely used for building real-time…
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From Nano to Macro: Influencer Marketplaces for Every Budget in 2024
In 2024, the landscape of influencer marketplaces is diverse, catering to various budget ranges and needs. These marketplaces are classified…