Proxmox VE 7.0 arrives with support for Btrfs, Linux 5.11 and more

The new version of Proxmox the Virtual Environment 7.0 (better known as Proxmox VE) It has already been released and in this new version several improvements are presented, bug fixes and, above all, some very interesting changes have been introduced, of which the support for Btrfs, a new separate ACME plugin, among other things stand out.

For those unfamiliar with Proxmox VE, they should know whate this distribution provides the means to implement an industrial grade virtual server system with web-based management, designed to manage hundreds or even thousands of virtual machines. The distribution has built-in tools to organize backup of virtual environments and out-of-the-box support for clustering, including the ability to migrate virtual environments from one node to another without interrupting work.

Among the features of the web interface: support for a secure VNC console; role-based access control to all available objects (VM, storage, nodes, etc.); support for various authentication mechanisms (MS ADS, LDAP, Linux PAM, Proxmox VE authentication).

Main new features of Proxmox VE 7.0

In this new version that is presented of Proxmox VE 7.0 the base of the system has been upgraded to Debian 11 (Bullseye) along with the kernel of Linux that has been updated to version 5.11.

Of the most notable changes that stand out in this new version, for example, thea new version of Ceph 16.2 that is enabled for the new clusters, the balancer module is enabled by default for better distribution of the groups in the OSD.

Another important change is the support for FS Btrfs, even on the root partition which supports the use of snapshots of subsections, integrated RAID and verification of the accuracy of data and metadata using checksums.

The panel "Repositories" has been added to the web interface, which simplifies the management of APT package repositories, the information of which is now collected in one place (for example, you can test new versions of Ceph by activating the test repository and then disabling to return to stable packages).

The installer environment has been reworked, in which it is used switch_root instead of chroot, it provides automatic detection of HiDPI displays To select the font size, iso image detection has been improved. The algorithm zstd is used to compress initrd and squashfs images.

Of the other changes that stand out:

  • In Notes, Markdown support was added in notes with interface display in an HTML form.
  • The function of cleaning disks has been proposed through the GUI.
  • Updated versions LXC 4.0, QEMU 6.0 (with support for the asynchronous I / O interface io_uring for guests) and OpenZFS 2.0.4.
  • Support was provided for tokens (eg YubiKey) as keys for SSH when creating containers and preparing images with cloud-init.
  • Single sign-on (SSO) support was added to provide a single sign-on point using OpenID Connect.
  • A separate ACME plugin (used to obtain Let's Encrypt certificates) has been added with improved support for environments that have both IPv4 and IPv6 connectivity.
  • For manually triggered backups, you can now enable pruning with the target storage backup retention settings, if configured.
  • It is now possible to clean disks from the GUI, allowing you to erase disks that were previously in use and create new storages on them. 
  • For new installations, the ifupdown2 network connection manager is used by default.
    Chrony is used as an NTP server implementation instead of systemd-timesyncd.

Finally if you are interested in knowing more about it About this new version of the distribution, you can check the details in the announcement. The link is this.

Download and support Proxmox VE 7.0

Proxmox VE 7.0 is now available for download on its website official. The link is this. 

On the other hand, also this Proxmox Server Solutions offers business support starting at € 80 per year per processor.


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