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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Delete VMware VM Snapshots using PowerCLI
Removing the old snapshots of the Virtual Machine is one of the easiest ways that a virtualization administrator can reclaim storage capacity in their environment. Unlike reclaiming other resources like…
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Append quotes to strings in an array and make it comma separated string in Java
Java 8 has Collectors.joining() and its overloads. It also has String.join.Using a Stream and a Collector Happy Coding!
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SSO ( AD / LDAP ) with Nimesa
Nimesa supports multiple users/tenants can be added by the Super Admin, the user can be authenticated using Local or Organization SSO LDAP Authentication methods. Nimesa supports integration with Windows Server…
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Create vSphere VM from Template using Ansible
Ansible is the glue for VMware and DevOps, Many DevOps engineers use vRealize Automation to automate the Provisioning of VMs but there are a lot of chances that VMware isn’t…
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Use Ansible through Windows 10 Subsystem for Linux
In this blog i am writing the steps on installing and using the Ansible on Windows 10 Subsystem for Linux First Enable the “Developer mode” and “Windows Subsystem for Linux”,…
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Updating expired keys on Ubuntu
Run apt-key Using the apt-key utility we can display all the known keys.apt-key list To quickly find the expired keys, search for “expired:” apt-key list | grep “expired:” Update the…
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Change all MSSQL Database Recovery model to FULL using PowerShell
Changing the individual database recovery model is very simple with the Microsoft SSMS. But recently in one of our Nimesa customer environments, he had 200 databases in a non-production instance…
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AWS EBS Volume failure rate
Failure rate depends more on the number of disk blocks modified since the last snapshot of the EBS volume than the total size of the volume. EBS has a listed…
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Backup all your Microsoft SQL Server Databases
Creating a full backup in the SQL server using SSMS is very simple, but if you have 10’s of databases you find bit difficult to backup all databases in one…
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Disable UAC on Windows Server 2019 using powershell script
To Disable UAC on the Windows Server, change the registry value EnableLUA to 0, to change it using the powershell Set-Itemproperty -path ‘HKLM:\Software\Microsoft\Windows\CurrentVersion\policies\system’ -Name ‘EnableLUA’ -value 0 Below is the…
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Disabling UAC on the Windows Server 2019
We got a support case user created a backup of the Virtual Machines with MS SQL running but he cannot see the databases running on the machine We checked the…
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Remove VSS Shadows on multiple windows machine on cluster
While testing our product Nimesa with Microsoft SQL Server 2016 on Microsoft Windows 2019 i hit with some scenarios my nodes in SQL cluster has some shadows, i wanted…
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Creating multiple test databases in SQL Server 2016
To do some testing of the on going release of Nimesa which do the application aware ( AppAware ) Backup of Microsoft SQL Server Cluster on SQL 2016 i created…
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VMDK Serial Number is not available for Windows 2019 Windows 2016 VMware VM
PS C:\WINDOWS\system32> Set-ExecutionPolicy RemoteSigned PS C:\WINDOWS\system32> Set-PowerCLIConfiguration -InvalidCertificateAction Ignore PS C:\WINDOWS\system32> Connect-VIServer -Server servername Get-VM -name vignesh-VM-1 | Get-AdvancedSetting -Name ‘disk.EnableUUID’ If that command returns no result or the value…
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Install VMware PowerCLI from Windows Powershell
Copy and Paste the following command to install this package using PowerShellGet Install-Module -Name VMware.PowerCLI If you are getting any error related to the privilege PS C:\Users\asvig> Install-Module -Name VMware.PowerCLI…
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Volume Shadow Copy Service error: Unexpected error calling routine CheckTokenMembership. hr = 0x80070005, Access is denied.
One of our Nimesa customers get this error on Event Logs, CheckTokenMembership. hr = 0x80070005, Access is denied when he takes a consistent backup using Nimesa. We found out this…
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Disk serial number is not set for Windows server 2016 on VMware vSphere
When we are deploying our Nimesa Appliance and running on client environment, we noticed that there are no disk serial number for virtual disks on Windows server 2016, later we…
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The security database on the server does not have a computer account for this workstation trust relationship
One of our Nimesa customers faced this issue in his environment, That organization has Active Directory and they use AD for all the Machines in their datacenter. While taking the…
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Why Nimesa skip log backup for Database in Simple recovery model
Nimesa Software based Data protection and copy data management solution supports Microsoft SQL Server full backup and log backup, recently we got a customer request why Nimesa is skipping the…
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Deploying multiple virtual machines from template using vSphere powercli
Deploying a virtual machine from a template is an easy task but cloning a virtual machine will maintain its computer name, serial number and the license information and deploying multiple…