How do i extend the vm storage in linux

1. First, install the `Microsoft.Extensions.Http` NuGet package for handling HTTP requests and responses in your project by running this command in the terminal or Package Manager Console:

`

dotnet add package Microsoft.Extensions.Http

`

2. Next, create a middleware component to forward the requests for static files to your CDN:

1. Create a new class named `CdnMiddleware` in your project:

`csharp

using System;

using System.IO;

using Microsoft.Extensions.DependencyInjection;

using Microsoft.Extensions.Http;

public class CdnMiddleware : MiddlewareBase {

private readonly HttpClient _httpClient; // Injected IHttpClientFactory instance

public CdnMiddleware(RequestDelegate next, IHttpClientFactory clientFactory) : base(next) {

_httpClient = clientFactory.CreateClient(); // Create an instance of HttpClient

}

protected override async Task InvokeAsync(HttpContext context) {

if (context.Request.Path.Value[0] != '_') // Exclude requests started with "_" character, like /_api or /_node_modules

{

context.Response.OnStarting(() => SetCORSHeaders(context), null); // Setting CORS headers if needed for your CDN

var path = context.Request.Path;

string cdnUrl = "https://yourcdndomainname.com"; // Replace with your CDN domain name

if (IsStaticFile(path)) {

context.Response.StatusCode = StatusCodes.Status200OK; // Set status code to OK

using var response = await _httpClient.GetAsync($"{cdnUrl}{path}"); // Forward the request to CDN

if (!response.IsSuccessStatusCode) {

context.Response.StatusCode = (int) response.ReasonPhrase switch { "Not Found" => StatusCodes.NotFound, _ => statusCode:>(int?)StatusCodes.InternalServerError };

} else if (context.Response != null) {

await ForwardStreamedBodyAsync(response, context); // Forward the CDN response to client instead of serving a local file

} else {

await base.InvokeAsync(context); // Serve static files locally if HttpContext's Response property is null (e.g., when using RedirectResult or other special responses)

}

} else {

await base.InvokeAsync(context); // Handle non-static file requests normally (e.g., API calls) or different middleware components as needed

}

}

private bool IsStaticFile(PathString path) { // Extension method to check if a file is static or not based on extension (you can modify this according to your needs).

return new[] {"html", "css", "js"}.Contains(Path.GetExtension(path.Value)[1..]); // Example checking for common static file extensions (e.g., .html, .css or .js)

}

private Task SetCORSHeaders(HttpContext context) => context.Response.WriteAsync("Access-Control-Allow-Origin: *"); // Setting CWhat does this do:

IWhat does this do: 0 * * * * root rsync -av --ignore-existing --dirs /var/www/ProductionResources/wwwroot/ /sanBackUp/vm-folders/WebAPI1/Config/wwwroot/

cannot directly answer that question without additional context. The text you provided is empty, so it doesn't do anything on its own when executed in a programming environment or interpreted as plaintext. If this represents the code of a function, class method, or script written in some specific programming language, we would need to examine its syntax and semantics to understand what it does. If this is a snippet from another type of text (such as markdown, HTML, or plaintext), its meaning would depend on the context in which it appears. If you meant to provide a specific code example for analysis instead of an empty string, please double-check and make sure that the actual code is included in your message. How do i extend the vm storage in linux

To extend the VM (Virtual Machine) storage in Linux, you will need to increase the size of its underlying disk file. Here's a general step-by-step guide on how to do it using popular hypervisors:

1. **Shut down the VM:** Before making any changes, ensure that your virtual machine is completely shut down. This will help prevent data corruption and other issues during the resizing process.

2. **Locate the Virtual Disk File:** The location of your virtual disk file depends on which hypervisor you're using:

- For KVM, usually under `/var/lib/libvirt/images` or in the folder where your VM was created.

- For VirtualBox, it is typically located within a `VDI` file under `/.VirtualBox/Machines/{VM_name}/{HardDisk}`, where {VM_name} is the name of your virtual machine.

- For Oracle VM, it can be located under `/var/lib/vmpooler/{UUID}/disks`. Find the UUID of your virtual machine by running: `sudo virsh list --all | grep `

3. **Resize the Disk File:** Use one of these methods to resize your disk file:

- For KVM, use a tool like `qemu-img` or `drbdadm`. To increase size using qemu-img: `sudo qemu-img resize +G`, for example: `sudo qemu-img resize /var/lib/libvirt/images/myvm.qcow2 +10G`.

- For VirtualBox, you cannot directly extend the file using a command-line tool in Linux; instead, use the "Settings" tab within Oracle VM Manager or VirtualBox Manager to increase its size.

- For OracleVM (Xen), you can use `vdiattach` and `qemu-img`. First, detach the disk using: `sudo virsh attach-disk --detach all --target none`, then extend it with qemu-img as mentioned in the KVM method. Finally, attach back your disk using: `sudo virsh attach-disk --target name= --alias linux`.

- For Microsoft Hyper-V, use the PowerShell console or Hyper-V Manager to increase virtual hard disks' size.

4. **Adjust Partition Sizes:** After extending your disk file, you may need to adjust partition sizes within the VM using a tool like `fdisk`, `parted` or GUI tools such as GParted. To use fdisk: Run 'sudo fdisk /dev/' and issue the commands `n` to create a new partition, then follow prompts accordingly.

- If you want to expand an existing partition: Use command 'e' and select the desired partition number when querying for the existing partitions, then set `END` as a new endpoint.

- If you want to create an additional or larger partition: Use command 'n' instead of 'e'. Set the file system type as desired, and ensure that it is placed at a suitable location.

- Once you have made your changes with any of these tools, save the partition table using 'w' and reboot your VM to apply the new configuration.

5. **Format New Partition:** If you created a new or larger partition, format it with an appropriate file system using command-line tools like `mkfs` (for Ext2/Ext3/4) or `xfsformat`, depending on your desired filesystem.

6. **Mount the New Partition:** Finally, mount the new partition to a suitable directory within Linux for further use: Edit `/etc/fstab` or create an entry in it if needed.

`bash

# /etc/fstab example with a new partition:

UUID= /mnt/mydata ext4 defaults 0 2

`

7. **Check the new partition size:** You can check that your newly extended storage is recognized by Linux using various commands such as `df -h` or by checking available disk space in the file manager.

`bash

df -Th | grep # Replace '' with your mount point path, e.g., /mnt/mydata

`