One Click Virtualization

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Introduction ​

Install the QEMU/KVM environment, including qemu-kvm + network configuration + port forwarding as a complete set.

Add Swap Memory ​

TIP

Adding some swap prevents the host from running out of memory.

Unit conversion: entering 1024 creates 1GB of SWAP virtual memory. Virtual memory uses disk space. When actual memory runs out, virtual memory is used automatically, but this brings high I/O and CPU usage.

It is recommended to create swap no larger than twice the actual memory size.

shell
curl -L https://raw.githubusercontent.com/spiritLHLS/addswap/main/addswap.sh -o addswap.sh && chmod +x addswap.sh && bash addswap.sh

Environment Installation ​

  • Supported OS: Debian 11+, Ubuntu 20.04+
  • Automatically installs QEMU/KVM, libvirt, bridge utilities, and all related components
  • Automatically configures the host bridge (virbr0) and NAT network
  • Automatically detects public IPv6 address and configures IPv6 network (if present)
  • Supports x86_64 and ARM64 architecture servers
shell
bash <(curl -sSL https://raw.githubusercontent.com/oneclickvirt/qemu/main/qemuinstall.sh)

TIP

After installation, it is recommended to run virsh list --all to verify that the KVM environment is working correctly.

Uninstall QEMU/KVM Environment ​

One-click uninstall of the complete QEMU/KVM environment, including all virtual machines, images, networks, and auxiliary files:

shell
bash <(curl -sSL https://raw.githubusercontent.com/oneclickvirt/qemu/main/scripts/qemuuninstall.sh)

WARNING

The script will require you to enter yes to confirm before execution. This operation is irreversible. Content deleted includes all virtual machines, images, and QEMU/KVM network configurations. Reset procedure: run uninstall first, then run install again to verify the entire installation process from scratch.