The `cloudflared update` command is used to update the `cloudflared` daemon to the latest available version. This command is crucial for maintaining security and accessing new features or bug fixes. It typically fetches the latest release from Cloudflare's official repositories.
cloudflared update [flags]While `cloudflared update` is quite straightforward, it does not typically expose many flags for fine-grained control directly in the CLI tool itself for the update process. The update mechanism is often designed to be self-contained and automatic. However, the `cloudflared` tool generally supports global flags that might affect how any command runs, such as `--config` for specifying a configuration file, but these are not specific to the `update` functionality.
#### 1. Basic Update
To update `cloudflared` to the latest version, simply run the command without any flags:
sudo cloudflared update**Explanation:**
This is the most common way to update `cloudflared`. The `sudo` prefix is often necessary because `cloudflared` is typically installed in system directories that require administrative privileges to modify. When executed, `cloudflared` will check for a newer version, download it, replace the current binary, and then indicate a successful update. It's important to restart any running `cloudflared` services (like tunnels) after an update to ensure the new version is in use.
#### 2. Verify Update (Indirectly)
After running `cloudflared update`, you can verify the new version by checking the `cloudflared` version:
sudo cloudflared update
cloudflared --version**Explanation:**
First, you execute the update command. Then, by running `cloudflared --version`, you can see the currently installed version. If the update was successful, this version number should reflect the latest release. Compare it against the official Cloudflare `cloudflared` GitHub releases page or documentation to confirm it's the most recent.
* **Permissions:** As demonstrated, `cloudflared update` often requires elevated privileges (e.g., `sudo` on Linux/macOS, or running as Administrator on Windows) because it modifies the `cloudflared` executable in system paths.
* **Service Restart:** If you are running `cloudflared` as a service (e.g., for Cloudflare Tunnels), you **must** restart the service after a successful update for the changes to take effect. The `update` command itself usually does not automatically restart the running `cloudflared` process or services.
* For systemd services (common on Linux):
sudo systemctl restart cloudflared* **Downtime:** While the update process itself is usually quick, the brief period between updating the binary and restarting the service might introduce a very short period of unavailability for tunnels or other `cloudflared`-dependent services.
* **Rollback:** `cloudflared update` does not inherently provide a rollback mechanism. If an update causes issues, you would typically need to manually download and replace the binary with an older version or refer to your system's backup/snapshot mechanisms.
* **Internet Connection:** An active internet connection is required for `cloudflared` to check for and download updates from Cloudflare's servers.
In summary, `cloudflared update` is a straightforward and essential command for keeping your `cloudflared` daemon up-to-date, ensuring optimal performance, security, and access to the latest features.