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Rajesh Kumar

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Rajesh Kumar

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How to Send an email from AWS ec2 or Azure VM or Google Instance using mail or sendmail linux commands

Posted on April 23, 2024 | by rajeshkumar

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

Posted on April 23, 2024 | by rajeshkumar

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

Posted on April 23, 2024April 23, 2024 | by rajeshkumar

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?

Posted on April 18, 2024 | by rajeshkumar

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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Apache Solr

Checklist for troubleshooting performance issues in Solr

Posted on April 17, 2024April 29, 2024 | by rajeshkumar

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)?

Posted on April 15, 2024 | by rajeshkumar

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?

Posted on January 11, 2024January 11, 2024 | by rajeshkumar

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?

Posted on January 11, 2024 | by rajeshkumar

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

Posted on January 3, 2024 | by rajeshkumar

In 2024, the landscape of influencer marketplaces is diverse, catering to various budget ranges and needs. These marketplaces are classified […]

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Medical Tourism: Exceptional in Facilitating International Health Travels

Posted on December 30, 2023 | by rajeshkumar

Medical tourism has become a crucial sector in global healthcare, providing international patients with access to a wide range of […]

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Oldest Blogs

  • Hello world!
  • Embracing Our Heritage: Proposing ‘Chhath Pradesh’ as the New Name for Bihar
  • Medical Tourism: Exceptional in Facilitating International Health Travels
  • From Nano to Macro: Influencer Marketplaces for Every Budget in 2024
  • List of event streaming and event-driven systems?
  • What is PubSub+B Solace?
  • What is Change Request and Change Management(CRCM)?
  • Checklist for troubleshooting performance issues in Solr
  • What is Circles.Life?
  • Error: Connection timed out with aspmx3.googlemail.com & Network is unreachable
  • Troubleshooting Guide: mail, mailx & sendmail commands when sending an email
  • How to Send an email from AWS ec2 or Azure VM or Google Instance using mail or sendmail linux commands
  • Ansible Playbook: Retrieves a list of installed packages along with their versions before & After upgrading
  • What is POVO & KDDI? What is difference between POVO and KDDI?
  • What is Vector Space Model?

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