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infrastructure/cloud-azure/azure-vms/references/vm-operations.md

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+# Azure VM Operations Reference
+
+## VM Management
+
+```bash
+# Create VM
+az vm create \
+  --resource-group myRG \
+  --name myVM \
+  --image Ubuntu2204 \
+  --admin-username azureuser \
+  --generate-ssh-keys \
+  --size Standard_B2s
+
+# Start/Stop/Delete
+az vm start --resource-group myRG --name myVM
+az vm stop --resource-group myRG --name myVM
+az vm deallocate --resource-group myRG --name myVM
+az vm delete --resource-group myRG --name myVM --yes
+
+# List VMs
+az vm list --resource-group myRG -o table
+az vm list-ip-addresses --resource-group myRG -o table
+```
+
+## VM Sizes
+
+| Size | vCPU | Memory | Use Case |
+|------|------|--------|----------|
+| Standard_B1s | 1 | 1 GB | Dev/Test |
+| Standard_B2s | 2 | 4 GB | Light workloads |
+| Standard_D2s_v3 | 2 | 8 GB | General |
+| Standard_F2s_v2 | 2 | 4 GB | Compute |
+| Standard_E2s_v3 | 2 | 16 GB | Memory |
+
+```bash
+# List available sizes
+az vm list-sizes --location eastus -o table
+
+# Resize VM
+az vm resize --resource-group myRG --name myVM --size Standard_D4s_v3
+```
+
+## Images
+
+```bash
+# List images
+az vm image list --output table
+az vm image list --publisher Canonical --all --output table
+
+# Create image from VM
+az vm deallocate --resource-group myRG --name myVM
+az vm generalize --resource-group myRG --name myVM
+az image create --resource-group myRG --name myImage --source myVM
+```
+
+## Custom Script Extension
+
+```bash
+az vm extension set \
+  --resource-group myRG \
+  --vm-name myVM \
+  --name customScript \
+  --publisher Microsoft.Azure.Extensions \
+  --settings '{"commandToExecute":"apt-get update && apt-get install -y nginx"}'
+```
+
+## Terraform
+
+```hcl
+resource "azurerm_linux_virtual_machine" "main" {
+  name                = "myVM"
+  resource_group_name = azurerm_resource_group.main.name
+  location            = azurerm_resource_group.main.location
+  size                = "Standard_B2s"
+  admin_username      = "azureuser"
+  
+  admin_ssh_key {
+    username   = "azureuser"
+    public_key = file("~/.ssh/id_rsa.pub")
+  }
+
+  os_disk {
+    caching              = "ReadWrite"
+    storage_account_type = "Premium_LRS"
+  }
+
+  source_image_reference {
+    publisher = "Canonical"
+    offer     = "0001-com-ubuntu-server-jammy"
+    sku       = "22_04-lts"
+    version   = "latest"
+  }
+
+  network_interface_ids = [
+    azurerm_network_interface.main.id,
+  ]
+}
+```