pve

root@pve:~# cat /etc/apt/apt.conf.d/*
APT
{
  NeverAutoRemove
  {
        "^firmware-linux.*";
        "^linux-firmware$";
        "^linux-image-[a-z0-9]*$";
        "^linux-image-[a-z0-9]*-[a-z0-9]*$";
  };

  VersionedKernelPackages
  {
        # kernels
        "linux-.*";
        "kfreebsd-.*";
        "gnumach-.*";
        # (out-of-tree) modules
        ".*-modules";
        ".*-kernel";
  };

  Never-MarkAuto-Sections
  {
        "metapackages";
        "contrib/metapackages";
        "non-free/metapackages";
        "restricted/metapackages";
        "universe/metapackages";
        "multiverse/metapackages";
  };

  Move-Autobit-Sections
  {
        "oldlibs";
        "contrib/oldlibs";
        "non-free/oldlibs";
        "restricted/oldlibs";
        "universe/oldlibs";
        "multiverse/oldlibs";
  };
};
// DO NOT EDIT! File autogenerated by /etc/kernel/postinst.d/apt-auto-removal
APT::LastInstalledKernel "5.13.19-2-pve";
DPkg::Pre-Install-Pkgs { "/usr/share/proxmox-ve/pve-apt-hook"; };
DPkg::Tools::Options::/usr/share/proxmox-ve/pve-apt-hook "";
DPkg::Tools::Options::/usr/share/proxmox-ve/pve-apt-hook::Version "2";
DPkg::Tools::Options::/usr/share/proxmox-ve/pve-apt-hook::InfoFD "20";
DPkg::Pre-Install-Pkgs { "/usr/bin/apt-listchanges --apt || test $? -lt 10"; };
DPkg::Tools::Options::/usr/bin/apt-listchanges::Version "2";
DPkg::Tools::Options::/usr/bin/apt-listchanges::InfoFD "20";
Dir::Etc::apt-listchanges-main "listchanges.conf";
Dir::Etc::apt-listchanges-parts "listchanges.conf.d";
// Pre-configure all packages with debconf before they are installed.
// If you don't like it, comment it out.
DPkg::Pre-Install-Pkgs {"/usr/sbin/dpkg-preconfigure --apt || true";};
// DO NOT EDIT! File autogenerated by /etc/kernel/postinst.d/proxmox-auto-removal
APT::NeverAutoRemove
{
   "^pve-kernel-5\.11$";
   "^pve-kernel-5\.11\.22-4-pve$";
   "^pve-kernel-5\.11\.22-7-pve$";
   "^pve-kernel-5\.13$";
   "^pve-kernel-5\.13\.19-2-pve$";
};
// no proxy configured