Virtualizor installation and requirements for Linux-KVM
by
RV Support
RV Support
Requirements
- Supported OS: Ubuntu 18.04 / 20.04 / 22.04 / 24.04 or AlmaLinux 8 / 9 / 10, Rocky Linux 9, CentOS Stream 9
- yum / apt package manager
- Sufficient storage space for VPS (virtual machines)
- Root SSH access to the server
- 64-bit operating system (KVM does not support 32-bit OS)
- CPU virtualization support (Intel VT-x / AMD-V must be enabled in BIOS)
Note: Ensure virtualization (VT-x / AMD-V) is enabled in BIOS; otherwise, KVM will not function properly. :contentReference[oaicite:0]{index=0}
Installation
Login to your server via SSH (using tools like PuTTY or terminal), then run the following commands:
wget -N https://files.virtualizor.com/install.sh
chmod 0755 install.sh
./install.sh email=your@email.com kernel=kvm
Note: Please provide a valid email address during installation.
Installation Parameters (Optional)
- email - Admin email address
- kernel - kvm
- noos=true - Skip OS template download
- beta=true - Install latest beta version
- nested_virt=1 - Enable nested virtualization
- lvg=VG_NAME - Use LVM storage (optional)
- interface=eth0 - Specify default network interface
- license=KEY - Required for internal network installations
- mirror_url - Specify download mirror
Post Installation
After installation is completed, reboot the server to load the correct kernel:
rebootOnce the server is back online, access the Virtualizor Admin Panel:
https://YOUR_SERVER_IP:4085Login using your root credentials.
Additional Configuration
- Setup storage before creating virtual machines (Admin Panel → Storage → Add Storage)
- Supported storage types: LVM, File, Thin LVM, ZFS, Ceph
- Ensure required ports are open (4081 - 4085)
- Allow console ports (5900 - 6000) for VNC access
- Configure network bridge (viifbr0) for VM networking
Important Notes
- Disable SELinux to avoid installation or runtime issues
- KVM requires hardware virtualization support (VT-x / AMD-V)
- Ensure bridge networking is configured properly for public IP usage
Additional Information
