>dpkg -l | grep -P '^ii|^hi' | grep -P 'qemu|xen'
ii  libxenfsutl4.21:amd64           4.21.0-1+deb13u3.3                   amd64        xen-utils-4.21 companion libs
ii  libxenmisc4.21:amd64            4.21.0-1+deb13u3.3                   amd64        Public libs for Xen
ii  libxenstore4.0:amd64            4.21.0-1+deb13u3.3                   amd64        Xenstore communications library for Xen
ii  libxentoolcore1:amd64           4.21.0-1+deb13u3.3                   amd64        helper for qemu & libxenstore
ii  qemuu                           9.1.0+l0-1+deb13u3.3                 amd64        qemu-system-i386 (9.1.0/xen-4.21) with 9pfs support
ii  xen-hypervisor-4.21-amd64       4.21.0-1+deb13u3.3                   amd64        Xen Hypervisor on AMD64
ii  xen-system-amd64                4.21.0-1+deb13u3.3                   amd64        Xen System on AMD64 (meta-package)
ii  xen-utils-4.21                  4.21.0-1+deb13u3.3                   amd64        XEN administrative tools
ii  xen-utils-common                4.21.0-1+deb13u3.3                   all          Xen administrative tools - common files
ii  xenstore-utils                  4.21.0-1+deb13u3.3                   amd64        Xenstore command line utilities for Xen

>dpkg-deb -I xen-utils-common_4.21.0-1+deb13u3.3_all.deb
 new Debian package, version 2.0.
 size 216092 bytes: control archive=4300 bytes.
    1128 bytes,    39 lines      conffiles
     522 bytes,    15 lines      control
    6320 bytes,    78 lines      md5sums
    7353 bytes,   161 lines   *  postinst             #!/bin/sh
    1276 bytes,    49 lines   *  postrm               #!/bin/sh
     298 bytes,    23 lines   *  preinst              #!/bin/sh
     420 bytes,     7 lines   *  prerm                #!/bin/sh
 Package: xen-utils-common
 Source: xen
 Version: 4.21.0-1+deb13u3.3
 Architecture: all
 Maintainer: Debian Xen Team 
 Installed-Size: 465
 Depends: lsb-base, python3, udev, xenstore-utils, ucf
 Section: kernel
 Priority: optional
 Description: Xen administrative tools - common files
  The userspace tools to manage a system virtualized through the Xen virtual
  machine monitor.
  .
  This package is only required on the host system (Domain 0) and not on the
  virtual guest systems (Domain U).

>dpkg-deb -I qemuu_9.1.0+l0-1+deb13u3.3_amd64.deb
 new Debian package, version 2.0.
 size 25398068 bytes: control archive=13380 bytes.
    1450 bytes,    12 lines      control
   41081 bytes,   483 lines      md5sums
 Package: qemuu
 Source: xen (4.21.0-1+deb13u3.3)
 Version: 9.1.0+l0-1+deb13u3.3
 Architecture: amd64
 Maintainer: Debian Xen Team 
 Installed-Size: 352562
 Depends: libaio1t64 (>= 0.3.93), libasound2t64 (>= 1.0.16), libbpf1 (>= 1:0.0.8), libbrlapi0.8 (>= 6.7), libbz2-1.0, libc6 (>= 2.38), libcacard0 (>= 2.2), libcap-ng0 (>= 0.7.9), libcapstone5 (>= 5), libcurl3t64-gnutls (>= 7.16.3), libdw1t64 (>= 0.158), libfdt1 (>= 1.7.2), libfuse3-4 (>= 3.17.2), libgfapi0 (>= 11.1), libglib2.0-0t64 (>= 2.83.0), libgnutls30t64 (>= 3.8.6), libibverbs1 (>= 1.1.6), libiscsi7 (>= 1.18.0), libjpeg62-turbo (>= 1.3.1), libkeyutils1 (>= 1.6), liblzo2-2 (>= 2.02), libncursesw6 (>= 6), libnfs14 (>= 4.0.0), libnuma1 (>= 2.0.15), libpixman-1-0 (>= 0.19.6), libpng16-16t64 (>= 1.6.46), libpulse0 (>= 0.99.1), librados2 (>= 18.2.7+ds), librbd1 (>= 18.2.0+ds), librdmacm1t64 (>= 1.0.15), libsasl2-2 (>= 2.1.28+dfsg1), libseccomp2 (>= 2.1.0), libselinux1 (>= 3.1~), libslirp0 (>= 4.7.0), libssh-4 (>= 0.8.4), libtinfo6 (>= 6), liburing2 (>= 2.3), libusb-1.0-0 (>= 2:1.0.23~), libusbredirparser1t64 (>= 0.8.0), libvdeplug2t64 (>= 4.0.1), libxenmisc4.21 (>= 4.21.0), libxenstore4.0 (>= 4.16.0), libxentoolcore1 (>= 4.21.0), libzstd1 (>= 1.5.5), zlib1g (>= 1:1.2.0)
 Provides: qemu-system-i386
 Section: admin
 Priority: optional
 Description: qemu-system-i386 (9.1.0/xen-4.21) with 9pfs support
  Warning: This is a custom testing build of Xen.

>cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 13 (trixie)"
NAME="Debian GNU/Linux"
VERSION_ID="13"
VERSION="13 (trixie)"
VERSION_CODENAME=trixie
DEBIAN_VERSION_FULL=13.2
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

>cat /etc/debian_version
13.2

>xl dmesg | head -n135
 __  __            _  _    ____  _   ___
 \ \/ /___ _ __   | || |  |___ \/ | / _ \
  \  // _ \ '_ \  | || |_   __) | || | | |
  /  \  __/ | | | |__   _| / __/| || |_| |
 /_/\_\___|_| |_|    |_|(_)_____|_(_)___/

(XEN) Xen version 4.21.0 (pbuser@dynavirt.com) (gcc (Debian 14.2.0-19) 14.2.0) debug=n Mon Dec  8 20:01:52 UTC 2025
(XEN) Latest ChangeSet: 16e22efbded42b56d0-x86/amd: Fix race editing DE_CFG-Wed 3 Dec 2025 02:41
(XEN) build-id: d069dff2e36ccf3a56935e4d7a4cdd96339cde58
(XEN) CPU Vendor: Intel, Family 6 (0x6), Model 58 (0x3a), Stepping 9 (raw 000306a9)
(XEN) BSP microcode revision: 0x0000000c
(XEN) Microcode: GenuineIntel.bin not found during CPIO scan
(XEN) Bootloader: GRUB 2.06-13+deb12u1
(XEN) Command line: placeholder dom0_mem=1536M,max:1584M guest_loglvl=all loglvl=all console=vga vga=gfx-1280x1024x16 conring_size=48k sched=credit2 cpufreq=none com1=115200,8n1 console=com1 ucode=scan xpti=false dom0_max_vcpus=4 dom0_vcpus_pin
(XEN) Xen image load base address: 0xda600000
(XEN) Video information:
(XEN)  VGA is graphics mode 1280x1024, 16 bpp
(XEN)  VBE/DDC methods: V2; EDID transfer time: 1 seconds
(XEN) Disc information:
(XEN)  Found 1 MBR signatures
(XEN)  Found 1 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  [0000000000000000, 000000000009dbff] (usable)
(XEN)  [000000000009f800, 000000000009ffff] (reserved)
(XEN)  [00000000000f0000, 00000000000fffff] (reserved)
(XEN)  [0000000000100000, 00000000daf7ffff] (usable)
(XEN)  [00000000daf80000, 00000000dafa2fff] (ACPI NVS)
(XEN)  [00000000dafa3000, 00000000dafdffff] (ACPI data)
(XEN)  [00000000dafe0000, 00000000daffffff] (reserved)
(XEN)  [00000000f4000000, 00000000f7ffffff] (reserved)
(XEN)  [00000000fec00000, 00000000ffffffff] (reserved)
(XEN)  [0000000100000000, 000000081fdfffff] (usable)
(XEN) ACPI: RSDP 000F7920, 0014 (r0 GBT   )
(XEN) ACPI: RSDT DAFA3040, 0054 (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: FACP DAFA3100, 0074 (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: DSDT DAFA31C0, 4D4C (r1 GBT    GBTUACPI     1000 MSFT  4000000)
(XEN) ACPI: FACS DAF80000, 0040
(XEN) ACPI: MSDM DAFA8080, 0055 (r3 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: HPET DAFA8140, 0038 (r1 GBT    GBTUACPI 42302E31 GBTU       98)
(XEN) ACPI: MCFG DAFA81C0, 003C (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: ASPT DAFA8300, 0034 (r7 GBT    PerfTune 312E3042 UTBG  1010101)
(XEN) ACPI: SSPT DAFA8340, 2380 (r1 GBT    SsptHead 312E3042 UTBG  1010101)
(XEN) ACPI: EUDS DAFAA6C0, 00C0 (r1 GBT                    0             0)
(XEN) ACPI: MATS DAFAA780, 0034 (r1 GBT                    0             0)
(XEN) ACPI: TAMG DAFAA7E0, 0CFA (r1 GBT    GBT   B0 5455312E BG 53450101)
(XEN) ACPI: APIC DAFA7F80, 00BC (r1 GBT    GBTUACPI 42302E31 GBTU  1010101)
(XEN) ACPI: SSDT DAFAB500, 269C (r1  INTEL PPM RCM  80000001 INTL 20061109)
(XEN) ACPI: MATS DAFADBC0, AAE6 (r1        MATS RCM 80000001 INTL 20061109)
(XEN) System RAM: 32685MB (33469556kB)
(XEN) No NUMA configuration found
(XEN) Faking a node at 0000000000000000-000000081fe00000
(XEN) Domain heap initialised
(XEN) Allocated console ring of 64 KiB.
(XEN) found SMP MP-table at 000f5d30
(XEN) DMI 2.4 present.
(XEN) PCI: MCFG configuration 0: base f4000000 segment 0000 buses 00 - 3f
(XEN) PCI: MCFG area at f4000000 reserved in E820
(XEN) PCI: Using MCFG for segment 0000 bus 00-3f
(XEN) Using APIC driver default
(XEN) ACPI: PM-Timer IO Port: 0x408 (24 bits)
(XEN) ACPI: SLEEP INFO: pm1x_cnt[1:404,1:0], pm1x_evt[1:400,1:0]
(XEN) ACPI:             wakeup_vec[daf8000c], vec_size[20]
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-23
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
(XEN) ACPI: IRQ0 used by override.
(XEN) ACPI: IRQ2 used by override.
(XEN) ACPI: IRQ9 used by override.
(XEN) ACPI: HPET id: 0x8086a201 base: 0xfed00000
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) SMP: Allowing 8 CPUs (0 hotplug CPUs)
(XEN) IRQ limits: 24 GSI, 1640 MSI/MSI-X
(XEN) Switched to APIC driver x2apic_mixed
(XEN) CPU0: 1600 ... 3400 MHz
(XEN) xstate: size: 0x340 and states: 0x7
(XEN) CPU0: Intel machine check reporting enabled
(XEN) Speculative mitigation facilities:
(XEN)   Hardware hints:
(XEN)   Hardware features:
(XEN)   Compiled-in support: INDIRECT_THUNK RETURN_THUNK SHADOW_PAGING HARDEN_ARRAY HARDEN_BRANCH HARDEN_GUEST_ACCESS HARDEN_LOCK
(XEN)   Xen settings: BTI-Thunk: RETPOLINE, SPEC_CTRL: No, Other: BRANCH_HARDEN
(XEN)   L1TF: believed vulnerable, maxphysaddr L1D 46, CPUID 36, Safe address 1000000000
(XEN)   Support for HVM VMs: RSB EAGER_FPU
(XEN)   Support for PV VMs: EAGER_FPU
(XEN)   XPTI (64-bit PV only): Dom0 disabled, DomU disabled (without PCID)
(XEN)   PV L1TF shadowing: Dom0 disabled, DomU enabled
(XEN) Using scheduler: SMP Credit Scheduler rev2 (credit2)
(XEN) Initializing Credit2 scheduler
(XEN)  load_precision_shift: 18
(XEN)  load_window_shift: 30
(XEN)  underload_balance_tolerance: 0
(XEN)  overload_balance_tolerance: -3
(XEN)  runqueues arrangement: socket
(XEN)  cap enforcement granularity: 10ms
(XEN) load tracking window length 1073741824 ns
(XEN) Using IDT event delivery
(XEN) Platform timer is 14.318MHz HPET
(XEN) Detected 3392.293 MHz processor.
(XEN) Freed 1024kB unused BSS memory
(XEN) alt table ffff82d04048bbf8 -> ffff82d0404a0ff6
(XEN) I/O virtualisation disabled
(XEN) nr_sockets: 1
(XEN) Enabled directed EOI with ioapic_ack_old on!
(XEN) Enabling APIC mode.  Using 1 I/O APICs
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using old ACK method
(XEN) ..TIMER: vector=0xF0 apic1=0 pin1=2 apic2=-1 pin2=-1
(XEN) TSC deadline timer enabled
(XEN) Wallclock source: CMOS RTC
(XEN) mwait-idle: MWAIT substates: 0x1120
(XEN) mwait-idle: v0.4.1 model 0x3a
(XEN) mwait-idle: lapic_timer_reliable_states 0xffffffff
(XEN) VMX: Supported advanced features:
(XEN)  - APIC MMIO access virtualisation
(XEN)  - APIC TPR shadow
(XEN)  - Extended Page Tables (EPT)
(XEN)  - Virtual-Processor Identifiers (VPID)
(XEN)  - Virtual NMI
(XEN)  - MSR direct-access bitmap
(XEN)  - Unrestricted Guest
(XEN) HVM: ASIDs enabled
(XEN) VMX: Disabling executable EPT superpages due to CVE-2018-12207
(XEN) HVM: VMX enabled
(XEN) HVM: Hardware Assisted Paging (HAP) detected
(XEN) HVM: HAP page sizes: 4kB, 2MB
(XEN) Brought up 8 CPUs
(XEN) Scheduling granularity: cpu, 1 CPU per sched-resource
(XEN) Initializing Credit2 scheduler
(XEN)  load_precision_shift: 18
(XEN)  load_window_shift: 30
(XEN)  underload_balance_tolerance: 0
(XEN)  overload_balance_tolerance: -3
(XEN)  runqueues arrangement: socket

>brctl show
bridge name	bridge id		STP enabled	interfaces
br0		8000.1615bbb67c31	no		eth0
							vif1.0
							vif2.0

>qemu-system-i386 -version
QEMU emulator version 9.1.0
Copyright (c) 2003-2024 Fabrice Bellard and the QEMU Project developers

>gcc -v
# gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-linux-gnu/14/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 14.2.0-19' --with-bugurl=file:///usr/share/doc/gcc-14/README.Bugs --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2,rust --prefix=/usr --with-gcc-major-version-only --program-suffix=-14 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/libexec --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-libstdcxx-backtrace --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --enable-cet --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/reproducible-path/gcc-14-14.2.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/reproducible-path/gcc-14-14.2.0/debian/tmp-gcn/usr --enable-offload-defaulted --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-build-config=bootstrap-lto-lean --enable-link-serialization=3
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 14.2.0 (Debian 14.2.0-19) 

>vgchange -ay z68vm
  48 logical volume(s) in volume group "z68vm" now active

>systemctl status dnsmasq

>systemctl status xendomains
● xendomains.service - Xendomains - start and stop guests on boot and shutdown
     Loaded: loaded (/usr/lib/systemd/system/xendomains.service; enabled; preset: enabled)
     Active: active (exited) since Wed 2025-12-17 15:24:34 PST; 11min ago
 Invocation: 9959cd71461a4e609534ed5a374bf6d3
    Process: 737 ExecStartPre=/bin/grep -q control_d /proc/xen/capabilities (code=exited, status=0/SUCCESS)
    Process: 739 ExecStart=/usr/lib/xen-4.21/bin/xendomains start (code=exited, status=0/SUCCESS)
   Main PID: 739 (code=exited, status=0/SUCCESS)
      Tasks: 4 (limit: 1625)
     Memory: 4.9M (peak: 15.2M)
        CPU: 1.440s
     CGroup: /system.slice/xendomains.service
             ├─ 997 /usr/lib/xen-4.21/bin/xl create --quiet --defconfig /etc/xen/auto/a_ub2604
             └─1476 /usr/lib/xen-4.21/bin/xl create --quiet --defconfig /etc/xen/auto/b_booky

Dec 17 15:24:33 d13dom0 root[1428]: /etc/xen/scripts/block: Writing backend/vbd/2/51728/hotplug-status connected to xenstore.
Dec 17 15:24:33 d13dom0 root[1441]: /etc/xen/scripts/vif-bridge: online type_if=vif XENBUS_PATH=backend/vif/2/0
Dec 17 15:24:33 d13dom0 root[1461]: /etc/xen/scripts/vif-bridge: br0 MTU is 1500
Dec 17 15:24:33 d13dom0 root[1462]: /etc/xen/scripts/vif-bridge: setting vif2.0 MTU to 1500
Dec 17 15:24:33 d13dom0 root[1464]: /etc/xen/scripts/vif-bridge: Writing /local/domain/2/device/vif/0/mtu 1500 to xenstore.
Dec 17 15:24:33 d13dom0 root[1466]: /etc/xen/scripts/vif-bridge: adding vif2.0 to bridge br0
Dec 17 15:24:33 d13dom0 root[1472]: /etc/xen/scripts/vif-bridge: Successful vif-bridge online for vif2.0, bridge br0.
Dec 17 15:24:33 d13dom0 root[1473]: /etc/xen/scripts/vif-bridge: Writing backend/vif/2/0/hotplug-status connected to xenstore.
Dec 17 15:24:34 d13dom0 xendomains[739]: Starting auto Xen domains: a_ub2604 b_booky  [done] .
Dec 17 15:24:34 d13dom0 systemd[1]: Finished xendomains.service - Xendomains - start and stop guests on boot and shutdown.

>xl info
host                   : d13dom0
release                : 6.12.57+deb13-amd64
version                : #1 SMP PREEMPT_DYNAMIC Debian 6.12.57-1 (2025-11-05)
machine                : x86_64
nr_cpus                : 8
max_cpu_id             : 7
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 2
cpu_mhz                : 3392.293
hw_caps                : bfebfbff:77bae3ff:28100800:00000001:00000001:00000281:00000000:00000100
virt_caps              : pv hvm hap shadow gnttab-v1 gnttab-v2
total_memory           : 32685
free_memory            : 24878
sharing_freed_memory   : 0
sharing_used_memory    : 0
outstanding_claims     : 0
free_cpus              : 0
xen_major              : 4
xen_minor              : 21
xen_extra              : .0
xen_version            : 4.21.0
xen_caps               : xen-3.0-x86_64 hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 
xen_scheduler          : credit2
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : 16e22efbded42b56d0-x86/amd: Fix race editing DE_CFG-Wed 3 Dec 2025 02:41
xen_commandline        : placeholder dom0_mem=1536M,max:1584M guest_loglvl=all loglvl=all console=vga vga=gfx-1280x1024x16 conring_size=48k sched=credit2 cpufreq=none com1=115200,8n1 console=com1 ucode=scan xpti=false dom0_max_vcpus=4 dom0_vcpus_pin
cc_compiler            : gcc (Debian 14.2.0-19) 14.2.0
cc_compile_by          : pbuser
cc_compile_domain      : dynavirt.com
cc_compile_date        : Mon Dec  8 20:01:52 UTC 2025
build_id               : d069dff2e36ccf3a56935e4d7a4cdd96339cde58
xend_config_format     : 4

>xl list
Name                                        ID   Mem VCPUs	State	Time(s)
Domain-0                                     0  1536     4     r-----      54.9
ub2604                                       1  1848     4     -b----       8.0
bookyz                                       2  4096     6     -b----       9.5

>iptables -S -t nat
-P PREROUTING ACCEPT
-P INPUT ACCEPT
-P OUTPUT ACCEPT
-P POSTROUTING ACCEPT

>systemctl list-unit-files | grep "enabled         enabled" | sort
blk-availability.service                                                  enabled         enabled
cron.service                                                              enabled         enabled
dm-event.socket                                                           enabled         enabled
dpkg-db-backup.timer                                                      enabled         enabled
e2scrub_all.timer                                                         enabled         enabled
e2scrub_reap.service                                                      enabled         enabled
fstrim.timer                                                              enabled         enabled
getty@.service                                                            enabled         enabled
grub-common.service                                                       enabled         enabled
logrotate.timer                                                           enabled         enabled
lvm2-lvmpolld.socket                                                      enabled         enabled
lvm2-monitor.service                                                      enabled         enabled
plocate-updatedb.timer                                                    enabled         enabled
remote-fs.target                                                          enabled         enabled
sshd-keygen.service                                                       enabled         enabled
ssh.service                                                               enabled         enabled
systemd-networkd.service                                                  enabled         enabled
systemd-networkd.socket                                                   enabled         enabled
systemd-networkd-wait-online.service                                      enabled         enabled
systemd-network-generator.service                                         enabled         enabled
systemd-pstore.service                                                    enabled         enabled
xenconsoled.service                                                       enabled         enabled
xendomains.service                                                        enabled         enabled
xen-init-dom0.service                                                     enabled         enabled
xen-qemu-dom0-disk-backend.service                                        enabled         enabled
xenstored.service                                                         enabled         enabled
xen-watchdog.service                                                      enabled         enabled

>ps aux | grep xen
root          49  0.0  0.0      0     0 ?        S    15:24   0:00 [xenbus]
root          50  0.0  0.0      0     0 ?        S    15:24   0:00 [xenwatch]
root          62  0.0  0.0      0     0 ?        S    15:24   0:00 [xen-balloon]
root         714  0.0  0.1   3212  2432 ?        S    15:24   0:00 /sbin/xenstored --pid-file /var/run/xen/xenstored.pid
root         725  0.0  0.4  72144  5736 ?        Ssl  15:24   0:00 /usr/sbin/xenconsoled -i --log=none --log-dir=/var/log/xen/console
root         945  0.0  1.3 283808 18636 ?        Sl   15:24   0:00 /usr/bin/qemu-system-i386 -xen-domid 0 -xen-attach -name dom0 -nographic -M xenpv -daemonize -monitor /dev/null -serial /dev/null -parallel /dev/null -nodefaults -no-user-config -pidfile /var/run/xen/qemu-dom0.pid
root         997  0.0  0.2  72420  2872 ?        Ssl  15:24   0:00 /usr/lib/xen-4.21/bin/xl create --quiet --defconfig /etc/xen/auto/a_ub2604
root        1476  0.0  0.2  72420  2928 ?        Ssl  15:24   0:00 /usr/lib/xen-4.21/bin/xl create --quiet --defconfig /etc/xen/auto/b_booky
root        1486  0.0  0.1   2900  1448 ?        Ss   15:24   0:00 /usr/sbin/xenwatchdogd 30 15
root        2229  0.0  0.5  19664  7328 pts/2    S+   15:35   0:00 sudo ./dump_xen_trace.multi.4l tlviewer
root        2231  0.0  0.1  19664  2580 pts/3    Ss   15:35   0:00 sudo ./dump_xen_trace.multi.4l tlviewer
root        2232  0.0  0.1   2680  1828 pts/3    S+   15:35   0:00 sh ./dump_xen_trace.multi.4l tlviewer
root        2297  0.0  0.1   6528  2312 pts/3    S+   15:35   0:00 grep xen

>networkctl 
IDX LINK   TYPE     OPERATIONAL SETUP
  1 lo     loopback carrier     unmanaged
  2 eth0   ether    enslaved    configured
  3 br0    bridge   routable    configured
  4 vif1.0 ether    enslaved    unmanaged
  5 vif2.0 ether    enslaved    unmanaged

5 links listed.

>lsmod 
Module                  Size  Used by
nf_tables             380928  0
libcrc32c              12288  1 nf_tables
binfmt_misc            28672  1
intel_rapl_msr         20480  0
intel_rapl_common      53248  1 intel_rapl_msr
i915                 4382720  1
crct10dif_pclmul       12288  1
ghash_clmulni_intel    16384  0
sha512_ssse3           53248  0
sha256_ssse3           32768  0
sha1_ssse3             32768  0
drm_buddy              24576  1 i915
aesni_intel           122880  0
gf128mul               16384  1 aesni_intel
drm_display_helper    274432  1 i915
crypto_simd            16384  1 aesni_intel
cryptd                 28672  2 crypto_simd,ghash_clmulni_intel
cec                    69632  2 drm_display_helper,i915
rc_core                73728  1 cec
bridge                389120  0
ttm                   106496  1 i915
stp                    12288  1 bridge
drm_kms_helper        253952  2 drm_display_helper,i915
mei_pxp                16384  0
mei_hdcp               28672  0
llc                    16384  2 bridge,stp
i2c_algo_bit           16384  1 i915
video                  81920  1 i915
mxm_wmi                12288  0
mei_me                 57344  2
button                 24576  0
sg                     45056  0
mei                   188416  5 mei_hdcp,mei_pxp,mei_me
evdev                  28672  3
xen_wdt                12288  0
xen_pciback           102400  0
xen_netback            81920  4
xen_blkback            53248  14
xen_gntalloc           20480  0
xen_gntdev             32768  2
dm_mod                221184  116
xen_evtchn             12288  3
drm                   774144  6 drm_kms_helper,drm_display_helper,drm_buddy,i915,ttm
efi_pstore             12288  0
configfs               69632  1
xenfs                  12288  1
xen_privcmd            28672  50 xenfs
nfnetlink              20480  3 nf_tables
vsock_loopback         12288  0
vmw_vsock_virtio_transport_common    61440  1 vsock_loopback
vmw_vsock_vmci_transport    45056  0
vsock                  61440  5 vmw_vsock_virtio_transport_common,vsock_loopback,vmw_vsock_vmci_transport
vmw_vmci              110592  1 vmw_vsock_vmci_transport
ip_tables              28672  0
x_tables               53248  1 ip_tables
autofs4                57344  2
ext4                 1142784  3
crc16                  12288  1 ext4
mbcache                16384  1 ext4
jbd2                  200704  1 ext4
crc32c_generic         12288  0
sr_mod                 28672  0
hid_generic            12288  0
sd_mod                 81920  51
cdrom                  81920  1 sr_mod
usbhid                 77824  0
hid                   262144  2 usbhid,hid_generic
iTCO_wdt               16384  0
intel_pmc_bxt          16384  1 iTCO_wdt
ahci                   49152  51
r8169                 126976  0
xhci_pci               24576  0
libahci                61440  1 ahci
iTCO_vendor_support    12288  1 iTCO_wdt
watchdog               49152  2 iTCO_wdt,xen_wdt
libata                462848  2 libahci,ahci
xhci_hcd              364544  1 xhci_pci
realtek                45056  1
ehci_pci               16384  0
firewire_ohci          65536  0
ehci_hcd              110592  1 ehci_pci
crc32_pclmul           12288  0
mdio_devres            12288  1 r8169
crc32c_intel           16384  6
i2c_i801               36864  0
scsi_mod              327680  4 sd_mod,libata,sg,sr_mod
firewire_core         245760  1 firewire_ohci
usbcore               409600  5 xhci_hcd,ehci_pci,usbhid,ehci_hcd,xhci_pci
serio_raw              16384  0
libphy                233472  3 r8169,mdio_devres,realtek
i2c_smbus              16384  1 i2c_i801
scsi_common            16384  5 scsi_mod,sd_mod,libata,sg,sr_mod
crc_itu_t              12288  1 firewire_core
lpc_ich                28672  0
usb_common             16384  3 xhci_hcd,usbcore,ehci_hcd
wmi                    28672  2 video,mxm_wmi

>tree /etc/systemd/network 
/etc/systemd/network
├── 10-eth0-uplink.network
├── br0.netdev
└── br0.network

1 directory, 3 files

>grep -o -P 'menuentry_id_option.*{$' /boot/grub/grub.cfg | sed -e 's| {||'
menuentry 'Trixie deb13 dom0 GNU/Linux, with Linux 6.12.57+deb13-amd64
menuentry 'Trixie deb13 dom0 GNU/Linux, with Xen 4.21-amd64 and Linux 6.12.57+deb13-amd64
menuentry 'Trixie deb13 dom0 GNU/Linux, with Xen 4.21-amd64-xsm and Linux 6.12.57+deb13-amd64
menuentry 'UEFI Firmware Settings

>grep -P '^GRUB_DEFAULT' /etc/default/grub
GRUB_DEFAULT="1"

>systemd-analyze time
Startup finished in 6.903s (kernel) + 15.398s (userspace) = 22.301s 
multi-user.target reached after 15.398s in userspace.

>systemd-analyze blame
3.741s dev-sda15.device
3.734s xendomains.service
1.682s e2scrub_reap.service
 875ms lvm2-monitor.service
 651ms systemd-modules-load.service
 608ms dev-mqueue.mount
 592ms proc-xen.mount
 575ms run-lock.mount
 553ms ssh.service
 546ms sys-kernel-debug.mount
 529ms sys-kernel-tracing.mount
 513ms dev-disk-by\x2duuid-4ab040ac\x2d8f44\x2d4090\x2dac57\x2d242339b4a6f5.swap
 512ms blk-availability.service
 492ms kmod-static-nodes.service
 483ms systemd-networkd.service
 483ms user@1000.service
 472ms xenstored.service
 459ms modprobe@configfs.service
 442ms modprobe@drm.service
 426ms modprobe@efi_pstore.service
 410ms modprobe@fuse.service
 390ms dbus.service
 378ms xen-init-dom0.service
 324ms systemd-tmpfiles-setup-dev-early.service
 307ms systemd-journald.service
 290ms rc-local.service
 280ms systemd-random-seed.service
 271ms grub-common.service
 269ms systemd-network-generator.service
 264ms systemd-udev-trigger.service
 259ms systemd-journal-flush.service
 220ms systemd-remount-fs.service
 212ms systemd-logind.service
 205ms mnt-zdum.mount
 195ms systemd-udev-load-credentials.service
 186ms systemd-networkd-persistent-storage.service
 147ms systemd-tmpfiles-setup.service
  97ms data1.mount
  92ms systemd-udevd.service
  79ms systemd-binfmt.service
  46ms systemd-sysctl.service
  42ms xenconsoled.service
  37ms systemd-tmpfiles-setup-dev.service
  32ms user-runtime-dir@1000.service
  30ms xen-watchdog.service
  29ms sys-fs-fuse-connections.mount
  28ms systemd-user-sessions.service
  28ms sys-kernel-config.mount
  24ms proc-sys-fs-binfmt_misc.mount
  22ms tmp.mount
  22ms xen-qemu-dom0-disk-backend.service

>grep XEN_ /boot/config-6.12.57+deb13-amd64 | sort
CONFIG_DRM_XEN_FRONTEND=m
CONFIG_HVC_XEN_FRONTEND=y
CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y
CONFIG_NETXEN_NIC=m
CONFIG_SND_XEN_FRONTEND=m
# CONFIG_USB_XEN_HCD is not set
CONFIG_XEN_512GB=y
CONFIG_XEN_ACPI_PROCESSOR=m
CONFIG_XEN_ACPI=y
CONFIG_XEN_AUTO_XLATE=y
CONFIG_XEN_BACKEND=y
CONFIG_XEN_BALLOON_MEMORY_HOTPLUG=y
CONFIG_XEN_BALLOON=y
CONFIG_XEN_BLKDEV_BACKEND=m
CONFIG_XEN_BLKDEV_FRONTEND=m
CONFIG_XEN_COMPAT_XENFS=y
# CONFIG_XEN_DEBUG_FS is not set
CONFIG_XEN_DEV_EVTCHN=m
CONFIG_XEN_DOM0=y
CONFIG_XEN_EFI=y
CONFIG_XEN_FBDEV_FRONTEND=y
CONFIG_XEN_FRONT_PGDIR_SHBUF=m
CONFIG_XEN_GNTDEV=m
CONFIG_XEN_GRANT_DEV_ALLOC=m
# CONFIG_XEN_GRANT_DMA_ALLOC is not set
CONFIG_XEN_HAVE_PVMMU=y
CONFIG_XEN_HAVE_VPMU=y
CONFIG_XEN_MCE_LOG=y
CONFIG_XEN_MEMORY_HOTPLUG_LIMIT=512
CONFIG_XEN_NETDEV_BACKEND=m
CONFIG_XEN_NETDEV_FRONTEND=m
CONFIG_XEN_PCIDEV_BACKEND=m
CONFIG_XEN_PCIDEV_FRONTEND=m
CONFIG_XEN_PCI_STUB=y
CONFIG_XEN_PRIVCMD=m
# CONFIG_XEN_PVCALLS_BACKEND is not set
# CONFIG_XEN_PVCALLS_FRONTEND is not set
CONFIG_XEN_PV_DOM0=y
CONFIG_XEN_PVHVM_GUEST=y
CONFIG_XEN_PVHVM_SMP=y
CONFIG_XEN_PVHVM=y
CONFIG_XEN_PVH=y
CONFIG_XEN_PV_MSR_SAFE=y
CONFIG_XEN_PV_SMP=y
CONFIG_XEN_PV=y
CONFIG_XEN_SAVE_RESTORE=y
CONFIG_XEN_SCRUB_PAGES_DEFAULT=y
CONFIG_XEN_SCSI_BACKEND=m
CONFIG_XEN_SCSI_FRONTEND=m
CONFIG_XEN_SYMS=y
CONFIG_XEN_SYS_HYPERVISOR=y
CONFIG_XEN_UNPOPULATED_ALLOC=y
# CONFIG_XEN_VIRTIO is not set
CONFIG_XEN_WDT=m
CONFIG_XEN_XENBUS_FRONTEND=y

>tree /usr/lib/efi
/usr/lib/efi
├── xen-4.21-amd64.efi
└── xen-4.21-amd64-xsm.efi

1 directory, 2 files

>tree /boot
/boot
├── config-6.12.57+deb13-amd64
├── efi
├── flask
│   └── xenpolicy-4.21-amd64-xsm
├── grub
│   ├── grub.cfg
│   └── grubenv
├── initrd.img-6.12.57+deb13-amd64
├── kcfg
│   ├── xen-4.21.config
│   └── xen-4.21-xsm.config
├── System.map-6.12.57+deb13-amd64
├── vmlinuz-6.12.57+deb13-amd64
├── xen-4.21-amd64.gz
└── xen-4.21-amd64-xsm.gz

5 directories, 11 files

>netstat -an | grep ^tcp
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN     
tcp        0      0 192.168.1.11:22         192.168.1.107:36822     ESTABLISHED
tcp6       0      0 :::22                   :::*                    LISTEN