Author: Sravan Kumar

Description: When you have a situation or need to analyze a really large heap dump (like 30/40 GB), then most of the time MAT UI will fail to analyze...

Preparing Node (CenOS) Setup Appropriate Hostname with FQDN           echo “jenkins.rulepaper.com” > /etc/hostname Install wget if your node installed with minimal OS installation      ...

AWS Free Tier Account: As we know Amazon provided a great opportunity by providing Free Tier account for Tecno enthusiast / Freshers or in reality for anyone who is...

Use Case: AWS S3 is an awesome resource for cloud object storage and the consumption of S3 varies from customer, very common use cases were: Backup and Storage –...

When it comes to troubleshooting Windows server issues, it is not easy to get all required logs at same time with single tool. Systems Administrators will spend their valuable...

Note: This post will cover info more about openstack networking configuration assuming customer already have an email marketing server. Background: At present email is playing a vital role in...

When you attempt to delete instance from either openstack CLI or openstack dashboard and if it get stuck at error state as follows: GUI: CLI: `nova list` will show:...

As a AWS solution engineers, very frequently we will use AWS CLI or at least for bulk operations, audit/inventory operations. So here I am going to consolidate the most...

We usually can delete multiple buckets in same region, but S3 is not region centric and sometimes we may need to delete buckets from different regions at same time,...

ListsLists are what they seem – a list of values. Each one of them is numbered, starting from zero – the first one is numbered zero, the second 1,...