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What is Proxmox?

Proxmox is a virtualised environment (software that makes computing environments independent of physical infrastructure) based on the Debian system. From the hardware side, a 64-bit processor architecture is required, and possible virtualisation support – in Intel it is called Intel-VT, while in AMD it is AMD-V.

System requirements

  • CPU: 64bit (Intel EMT64 or AMD64)
  • Intel VT / AMD-V support for full KVM virtualisation support
  • 8 GB RAM, (the more the better)
  • Hardware RAID with memory protection (battery)
  • Fast hard drives, SAS 15k in RAID10 gives the best results
  • Two or more 1Gb NICs (pairable), more are recommended for cluster operation

 

Supported Virtualizations

Currently, two types of virtualisation are supported and depending on the version, they are:

  • Proxmox VE 3.4
    • OpenVZ
    • KVM, Qemu
  • Proxmox VE 4.x
    • LXC
    • KVM, Qemu
  • Proxmox VE 5.x
    • LXC
    • KVM, Qemu

 

(image via www.itessential.pl/wirtualizacja-proxmox)

 

LXC

LXC is an open source operating system virtualisation platform for Linux. It allows you to run several virtual systems (VPS) independently of each other, using a common kernel with a hypervisor. These can be, for example, different distributions, test environments or leased servers. Each of these virtual environments can be managed completely separately as if it were a physical server. The limitation is that you cannot change the kernel as it is shared.

 

KVM, Qemu

A kernel-based virtual machine is a virtualisation environment for Linux systems. The host and guest system are distinguished. The host is the operating system (OS) that controls the hardware – “bare metal.” The guest is the OS inside the host to which the host shares the equipment. The KVM environment (host or hosts) allows you to create networks of virtual machines (guests). Each virtual machine has private virtualised hardware: bios, network card, hard disk, graphics card, sound, I / O ports, etc.

Virtualisation Proxmox VE supports LVM, catalogs and the ZFS system, it also works with solutions such as: iSCSI, Fiber Channel, NFS, GlusterFS, CEPH and DRBD.

The graphic interface for managing the Proxmox PVE is well-thought-out and will not cause problems even for novice practitioners in the subject of virtualisation. Advanced users will find a number of options responsible for configuring the parameters of virtual machines, network settings, quota, High-Availability, and many others.

Proxmox virtualisation enables high availability through the use of a cluster (two or more complementary machines) – up to version 3.x the cluster was based on Corosync 1.x, and from version 4.x it is 2.x.

Contact us to find out more about Proxmox or if you need help implementing it.
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