Systems that solve operational problems at scale.
Notes from Vignesh A S on Java, Kafka, distributed systems and AI-assisted tooling.
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Copy Data management with your inplace Storage
Storage capacity consumed by multiple unnecessary data copies costs businesses as much as $44 billion annually, according to IDC. It estimates that redundant copies of the same data ( copy…
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Amazon Cloud Storage : AWS EBS
Like every computer needs harddisk VM or Cloud Instances are no exception. In Amazon, EBS is the virtual hard disk for your EC2 instances, it stores data as blocks and…
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SCP to vCenter Server Appliance
Uploading files to vCenter server appliance ( VCSA ) using WinSCP ( SFTP / SCP) While establishing the connection if you are getting error like ? Host is not communicating…
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Set static IP – Network configuration in PhotonOS
By default Photon OS comes with DHCP enabled, this is good enough for testing. In some case if you want to set static IP to your PhotonOS VM To get…
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Install docker compose using YUM in Photon OS
Install python-pip Then install Docker Compose: To verify a successful Docker Compose installation, run:
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Virtual Machine Quiescing
Backup applications for the Virtualized environment back up the Virtual Machine at the image level and are not aware of what is going on inside the installed guest operating system.…
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Virtual Machine Snapshots are not backup
VMware Virtual Machine snapshots should not be used as a primary backup, Virtual Machine snapshots are good for the shorter period. you can create VM snapshot before applying hotfix and…
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Default user name for the Linux AMI in Amazon AWS
For Amazon Linux 2 or the Amazon Linux AMI, the username is ec2-user.For a Centos AMI, the username is centos.For a Debian AMI, the username is admin or root.For a…
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Secure AWS root access using Multi-Factor Authentication (MFA)
To increased security to your AWS root account, Amazon web services recommend configuring multi-factor authentication (MFA) to help protect your AWS resources. MFA adds extra security because it requires users to…
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3-2-1 Backup Strategy
If you’re looking into data protection solutions you’re probably have heard the phrase “3-2-1 backup”. You’ll hear it from most IT consultants, professionals as well as many backup vendors and…
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Automate the AWS cloud Instance turn on / off
While having the discussion at Nimesa about the cost-saving options for AWS cloud, we found one of the most costly of AWS sins is the pervasive habit of running dev…
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Disaster Recovery Plan for your AWS Instances
Cloud Server/network outages are wrecking balls, and it can happen with a dominant market player like the Amazon Web Services (AWS), The latest is an extensive outage brought on by…
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Ways to create MySQL Database Backup types
Data loss can be a common experience of computer users; a 2008 survey found that 66% of respondents had lost files on their home PC. A backup refers to the…
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How to get a Virtual Machine created time
With vSphere 6.7 web services SOAP API includes the creation date of a Virtual Machine and will be persisted with the life-cycle of the VM itself. You can get it…
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Deploy an OVF from ESXi Datastore
I recently had a demand to deploy an OVF (Open Virtualization Format is an open-source standard for packaging and distributing software applications for virtual machines) which is located on Datastore of…
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QueryStringBindable in PlayFramework
To fetch the querystring parameters in Controller we usually use request().queryString() Map<String, String[]> queryString = request().queryString(); If we have multiple query-string keys and want to use a POJO to use…
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AWS Lambda (Amazon Web Services Lambda) Serverless computing
Cloud computing came through long way by replacing layer after a layer we used bare metal server then Virtual servers then Containers now Serverless computing Serverless is the next evolution…
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AWS Lambda : Delete old EBS snapshots using Boto3
AWS Lambda lets you run code without provisioning or managing servers. You pay only for the compute time you consume – there is no charge when your code is not…
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Protect or Ship Bitcoin or lose data – Ransomware attack
Recently, An Indiana hospital paid a ransom of $55,000 to get rid of ransomware that had infected its systems and was hindering operations. when attackers breached the network of Hancock…
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Find the instance id of an AWS EC2 instance within that EC2 machine
I have been working on a Cloud data protection application which would be running on AWS Cloud EC2 instance, for some information processing I need to get the instance id…