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Regression is a predictive modelling technique that investigates the relationship between a dependent and non-dependent variable.Polynomial regressionIt is a form of regression analysis that shows the relationship between an independent variable x and the dependent variable y that is modelled a nth degree polynomial in x.ExampleFollowing is the C program to compute the polynomial regression algorithm −#include #include #include main(){ int i,j,k,m,n; float x[20],y[20],u,a[10],c[20][20],power,r; printf("enter m,n:"); scanf("%d%d",&m,&n); for(i=1;i
To get the load balancers attached to the Azure VM using PowerShell, we first need to retrieve the Azure VM network settings. For example, we have an Azure VM name “TestVM” and we willPS C:\> $vm = Get-AzVM -Name TestVM $nic = (($vm.NetworkProfile.NetworkInterfaces.id).Split('/'))[-1]Once we have the network interface name, we need to retrieve the load balancer settings, and to get the Load Balancer settings we need to use the Get-AzNetworkInterface command.PS C:\> $nicsettings = Get-AzNetworkInterface -Name $nicThe below command will retrieve the load balancer name.(($nicsettings.IpConfigurations.LoadBalancerBackendAddressPools.id).Split('/'))[-3]To get the Load Balancer backend pool name, use the below command.(($nicsettings.IpConfigurations.LoadBalancerBackendAddressPools.id).Split('/'))[-1]Overall Script −$vm = Get-AzVM ... Read More
To retrieve the Azure VM virtual network and subnet name, we first need to retrieve the AzureVM NIC information. To get the Azure VM NIC information, we need to use the Get-AzVM command, and then we can use the NetworkProfile property to retrieve the NIC name as shown below.PS C:\> $vm = Get-AzVM -Name TestVM $vmnic = ($vm.NetworkProfile.NetworkInterfaces.id).Split('/')[-1]Once we have the NIC name stored from the above command in the $vmnic variable, we can retrieve the NIC information using the Get-AzNetworkInterface command as shown below.$vmnicinfo = Get-AzNetworkInterface -Name $vmnicTo get the Virtual Network name attached to the VM use the ... Read More
To get the Azure VM NIC name using Azure CLI, use the below command but before running the command make sure that you are connected to the Azure Account and the proper Azure subscription using Azure CLI.az vm show -n AzureVM -g ResourceGroup --query '[networkProfile.networkInterfaces][].id' -otsvWe need the NIC name from this. If you are running the Azure CLI in the PowerShell terminal then use the command below.PS C:\> $nicinfo = az vm show -n VMname -g RGName --query '[networkProfile.networkInterfaces][].id' -otsv PS C:\> ($nicinfo.Split('/'))[-1]
To get the connected user account with the Azure CLI, you need to use the below command.PS C:\> az account showOnce you type the command, you will get the output in JSON format as shown below.PS C:\> az account show { "environmentName": "AzureCloud", "homeTenantId": "Your tenant ID", "id": "Subscriptio ID", "isDefault": true, "managedByTenants": [], "name": "Subscription Name", "state": "Enabled", "tenantId": "tenant ID", "user": { "name": "user logged in email id or username", "type": "user" } }To get the output in the table format, use the -otable or –output tablePS C:\> az account show -otable
To install the Azure CLI, you can download it from the location below,https://docs.microsoft.com/en-us/cli/azure/install-azure-cli-windows?tabs=azure-cli/To install the Azure CLI using PowerShell, use the below command.Invoke-WebRequest -Uri https://aka.ms/installazurecliwindows - OutFile .\AzureCLI.msi Start-Process msiexec.exe -Wait -ArgumentList '/I AzureCLI.msi /quiet' rm .\AzureCLI.msiTo check if the Az CLI is installed successfully run the Az in the cmd or the PowerShell.
To get the Azure VM sizes using PowerShell, we can use the Get-AzVmSize command.To get all the supported Azure VM sizes as per location, use the below command.PS C:\> Get-AzVMSize -Location EastusOutputTo get available and supported size for the existing virtual machine, use the below command.Get-AzVMSize -ResourceGroupName ResourceGroup1 -VMName TestVM
With the PowerShell Out-Gridview output, you have an option to select one or multiple selections.For example, if we run the below command, it will show us the output in the grid format.PS C:\> Get-Process | Out-GridViewIn this output, you don’t get any option to select the rows because its output mode is none. To add the single selection from the output, use the Output mode to single, and for the multiple selections use the output mode to multiple. Once you add the OutpuMode property you can see the OK and Cancel button at the bottom right of the grid.Single output ... Read More
To get the installed Azure VM extension using PowerShell, we can use the Get-AzVmExtension command and we need to provide VM name and the resource group name in the command.$vm = Get-AzVM -Name TestVM Get-AzVMExtension -VMName $vm.Name -ResourceGroupName $vm.ResourceGroupNameThe above command will retrieve all the extensions in detail of the VM named TestVM. To retrieve the extension name,Get-AzVMExtension -VMName $vm.Name -ResourceGroupName $vm.ResourceGroupName | Select NameOutput
The rename function changes a file or directory from oldname to newname. This operation is just like a move operation. Hence, we can also use this rename function to move a file.This function is present in stdio.h library header files.The syntax of rename function is as follows −int rename(const char * oldname, const char * newname);Function of rename()It accepts two parameters. One is oldname and another is newname.These two parameters are pointer to constant character, which define old and new name of file.If file renamed is successful, then it returns zero otherwise, it returns a non-zero integer.During the rename operation ... Read More