HTTP/1.1 404 Not Found
Content-Type: text/plain; charset=utf-8
X-Content-Type-Options: nosniff
Date: Sat, 19 Sep 2026 02:53:32 GMT
Content-Length: 19

HTTP/1.1 403 Forbidden
Content-Type: text/plain; charset=utf-8
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 403 Forbidden
Content-Type: text/plain; charset=utf-8
Proxy-Authenticate: Basic realm=""

Prometheus Node Exporter1.9.1

HTTP/1.1 400 Bad Request
Content-Type: text/plain; charset=utf-8
Connection: close

400 Bad Request
Prometheus Node Exporter:
  node_exporter_build_info:
    branch: HEAD
    goarch: amd64
    goos: linux
    goversion: go1.23.7
    revision: f2ec547b49af53815038a50265aa2adcd1275959
    tags: unknown
    version: 1.9.1
  node_os_info:
    id: ubuntu
    id_like: debian
    name: Ubuntu
    pretty_name: Ubuntu 24.04 LTS
    version: 24.04 LTS (Noble Numbat)
    version_codename: noble
    version_id: 24.04
  node_uname_info:
    domainname: (none)
    machine: x86_64
    nodename: fra-ecs-osv1
    release: 6.8.0-39-generic
    sysname: Linux
    version: #39-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul  5 21:49:14 UTC 2024
  node_dmi_info:
    bios_date: 04/01/2014
    bios_release: 0.0
    bios_vendor: SeaBIOS
    bios_version: 1.15.0-1
    chassis_vendor: QEMU
    chassis_version: pc-i440fx-6.2
    product_family: Virtual Machine
    product_name: OpenStack Nova
    product_version: 29.4.1
    system_vendor: OpenStack Foundation
  node_network_info:
    ens4:
      address: fa:16:3e:93:10:68
      adminstate: up
      broadcast: ff:ff:ff:ff:ff:ff
      device: ens4
      duplex: unknown
      operstate: up
    lo:
      address: 00:00:00:00:00:00
      adminstate: up
      broadcast: 00:00:00:00:00:00
      device: lo
      operstate: unknown
    ens3:
      address: fa:16:3e:fa:d5:d6
      adminstate: up
      broadcast: ff:ff:ff:ff:ff:ff
      device: ens3
      duplex: unknown
      operstate: up