Update docs/tech_docs/proxmox_virtualmachines.md

docs/tech_docs/proxmox_virtualmachines.md

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+Creating an effective guide for managing VM configurations in Proxmox VE involves summarizing the best practices and key settings we've discussed. Here’s a comprehensive guide to help you configure and optimize virtual machines effectively:
+
+### 1. **General Best Practices**
+   - **Backup Configuration**: Always backup VM configurations and data before making significant changes.
+   - **Consistent Naming Conventions**: Use clear and consistent naming for VMs and storage to ease management.
+   - **Resource Monitoring**: Regularly monitor VM performance and resource utilization to adjust allocations and ensure optimal operations.
+
+### 2. **VM Configuration Best Practices**
+   - **Agent**: Always enable the QEMU guest agent (`agent: 1`) to improve management capabilities and performance monitoring.
+   - **CPU Settings**:
+     - `cores`: Assign cores based on the application need but beware of overallocation which can affect host performance.
+     - `cpu`: Use `host` to match the VM’s CPU type with the host for best performance.
+     - `sockets`: Define based on the physical CPU configuration of the host.
+   - **Memory**: Allocate memory based on the application requirements but ensure it does not exceed the host's available resources.
+   - **KVM**: Always enable (`kvm: 1`) to utilize hardware-assisted virtualization.
+   - **NUMA**: Use Non-Uniform Memory Access settings if the VM requires high-performance memory access and the host hardware supports it.
+
+### 3. **Disk Configuration**
+   - **SCSI Settings**:
+     - `scsihw`: Use `virtio-scsi-single` for single drive VMs for better performance.
+     - `discard`: Enable (`discard=on`) to allow TRIM/DISCARD commands for SSDs, which helps with space management and performance.
+     - `ssd`: Set (`ssd=1`) if using SSD storage to emulate accurate SSD behaviors.
+   - **Size**: Allocate disk size based on expected data growth to avoid frequent resizing which can impact performance.
+
+### 4. **Network Configuration**
+   - **Model**: Use `virtio` for network adapters for the best performance.
+   - **Bridges**: Connect VMs to appropriate bridges (`vmbr0`, `vmbr1`, etc.) configured on the host to organize network traffic efficiently.
+
+### 5. **Graphics and Video**
+   - **Video Type**:
+     - `vga`: Use `std` for standard applications; `qxl` for desktop environments or graphical applications to improve video performance.
+
+### 6. **Startup and Order**
+   - **Boot Order**: Configure boot devices and order to streamline VM startups (`boot: order=scsi0;ide2;net0`).
+   - **Onboot**: Set (`onboot: 1`) to automatically start VMs when the Proxmox host boots up.
+
+### 7. **Serial and Console Access**
+   - **Serial Console**: Use `serial0: socket` to access VM consoles through Proxmox’s integrated console features.
+
+### 8. **Additional Options**
+   - **UUID**: Each VM should have a unique `smbios1: uuid` to distinguish it in networks.
+   - **VM Generation ID** (`vmgenid`): Useful for systems like Windows that are sensitive to underlying virtual hardware changes.
+
+### 9. **Command-Line Management**
+   - **Create, Clone, and Manage VMs**: Familiarize with `qm` command-line tools (`qm create`, `qm set`, `qm clone`, etc.) for detailed management.
+
+### 10. **Documentation and Updates**
+   - **Keep Documentation Updated**: Regularly update your documentation as you adjust or expand your virtual environment.
+   - **Stay Informed on Updates**: Keep the Proxmox VE and guest OSes updated to ensure security and performance enhancements are applied.
+
+Implementing these practices will help you maintain a robust and efficient virtual environment in Proxmox VE, maximizing performance and stability across your VM deployments.
+
+---
+
 Here are the updated configurations for VMs 500, 600, and 700, optimized for performance and based on best practices:
 
 VM 500 (Debian 12):