Proxmox

12 sheets

Proxmox Backup and Restorevzdump backs up VMs and containers to any storage with backup content, or to Proxmox Backup Server (PBS). Jobs are set under Datacenter -> Backup.
Proxmox Cloud-Init TemplatesBuild a VM template from a cloud image once, then clone it and let cloud-init set user, SSH key, hostname and network on first boot.
Proxmox Clustering and HAA PVE cluster shares configuration through /etc/pve (pmxcfs) and uses corosync for membership and quorum. Guests can be migrated, replicated and restarted…
Proxmox Disk Image FormatsWhich format a VM disk uses (raw, qcow2 or VMDK), when to choose each, and the disk options that go with them. Storage types and content types are in Proxmox…
Proxmox FirewallThe built-in firewall works at three levels: datacenter (cluster), node (host) and guest (VM or container). Rules are stored in /etc/pve and replicated across…
Proxmox GPU and PCIe PassthroughPass a physical PCI device (GPU, HBA, NIC, NVMe) to a VM using VFIO. The device is then unavailable to the host and other guests.
Proxmox NetworkingPVE networking is configured in /etc/network/interfaces (Debian ifupdown2) and edited in the GUI under Node -> System -> Network. Guests attach to Linux…
Proxmox qm and pctqm manages KVM virtual machines, pct manages LXC containers. Run on a PVE node as root. and share one ID space per cluster.
Proxmox StorageStorage definitions live in /etc/pve/storage.cfg and are managed with pvesm. Default install: local (directory /var/lib/vz, ISOs, templates, backups) and…
Proxmox Troubleshooting and One-LinersQuick checks, logs and recovery steps for a PVE node or cluster.
Proxmox Users, Permissions, API Tokens and pveshAccess control is built from users, groups, roles, realms and ACL entries on paths such as /vms/. pveum manages them, pvesh calls the REST API from the shell…
Proxmox VE Overview and InstallProxmox VE is an open source virtualisation platform (KVM virtual machines and LXC containers) based on Debian, with a web UI, clustering, ZFS and Ceph. PVE…