apt-get update -qq
apt-get install -y wget

cd /tmp
wget --show-progress https://download.checkmk.com/checkmk/2.4.0p37/check-mk-raw-2.4.0p37_0.jammy_amd64.deb

check-mk-raw-2.4.0p37_0.jammy_amd64.deb 100% 274.02M 12.9MB/s 00:21

apt-get install -y /tmp/check-mk-raw-2.4.0p37_0.jammy_amd64.deb

Setting up check-mk-raw-2.4.0p37 (0.jammy) ...
update-alternatives: using /omd/versions/2.4.0p37.cre to provide /omd/versions/default (omd)
New default version is 2.4.0p37.cre.

omd version

OMD - Open Monitoring Distribution Version 2.4.0p37.cre

service apache2 start
ss -ltn | grep ":80 "

mkdir -p /opt/debs && cd /opt/debs
wget -q https://download.checkmk.com/checkmk/2.4.0p37/check-mk-raw-2.4.0p37_0.jammy_amd64.deb
apt-get update -qq
apt-get install -y --download-only -o Dir::Cache::archives=/opt/debs /opt/debs/check-mk-raw-2.4.0p37_0.jammy_amd64.deb

Get:214 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 samba-dsdb-modules amd64 2:4.15.13+dfsg-0ubuntu1.13 [315 kB]
Get:215 http://archive.ubuntu.com/ubuntu jammy/main amd64 update-inetd all 4.51 [24.9 kB]
Fetched 79.1 MB in 11s (7012 kB/s)
Download complete and in download only mode

tar czf debs-checkmk.tar.gz -C /opt debs
# 把 debs-checkmk.tar.gz 通过 U 盘/内网文件服务拷贝到内网机 /opt 下解包
tar xzf debs-checkmk.tar.gz -C /opt

dpkg -i /opt/debs/*.deb

dpkg --unpack /opt/debs/python3*.deb    # 若 5.1 已补拉 python3 可跳过本步
dpkg --configure -a

dpkg: error processing package python3-talloc:amd64 (--configure):
 dependency problems - leaving unconfigured
  Package python3 is not installed.

omd version

OMD - Open Monitoring Distribution Version 2.4.0p37.cre

omd create --admin-password q1w2e3r4 mysite

Adding /opt/omd/sites/mysite/tmp to /etc/fstab.
Creating temporary filesystem /omd/sites/mysite/tmp...Generating configuration for core (type nagios)...
Precompiling host checks...OK
Executing post-create script "01_create-sample-config.py"...OK
Executing post-create script "02_cmk-compute-api-spec"...OK
Executing post-create script "03_message-broker-certs"...OK
Updating core configuration...
Created new site mysite with version 2.4.0p37.cre.

  The site can be started with omd start mysite.
  The default web UI is available at http://cmk-server.ubuntu.local/mysite/

  The admin user for the web applications is cmkadmin with password: q1w2e3r4
  For command line administration of the site, log in with 'omd su mysite'.
  After logging in, you can change the password for cmkadmin with 'cmk-passwd cmkadmin'.

omd start mysite

Starting agent-receiver...OK
Starting mkeventd...OK
Starting rrdcached...OK
Starting redis...OK
Starting npcda...OK
Starting automation-helper...OK
Starting ui-job-scheduler...OK
Starting nagios...OK
Starting apache...OK
Starting crontab...OK

agent-receiver:     running
mkeventd:           running
rrdcached:          running
redis:              running
npcd:               running
automation-helper:  running
ui-job-scheduler:   running
nagios:             running
apache:             running
crontab:            running
---------------------------
Overall state:      running

# 未认证请求返回 401，认证头为 Basic realm="OMD Monitoring"
curl -si http://localhost/mysite/login.py | head -3

# 带 Basic 认证后：/ 跳转 302，GUI 根返回 200
curl -s -o /dev/null -w "GET /mysite/ -> HTTP %{http_code}\n" -u cmkadmin:q1w2e3r4 http://localhost/mysite/
curl -s -o /dev/null -w "GET /mysite/check_mk/ -> HTTP %{http_code}\n" -u cmkadmin:q1w2e3r4 http://localhost/mysite/check_mk/

HTTP/1.1 401 Unauthorized
Server: Apache
WWW-Authenticate: Basic realm="OMD Monitoring"

GET /mysite/ -> HTTP 302
GET /mysite/check_mk/ -> HTTP 200

curl -s -u cmkadmin:q1w2e3r4 http://localhost/mysite/check_mk/api/1.0/version

{"site": "mysite", "group": "", "rest_api": {"revision": "0"}, "versions": {"apache": [2, 4, 52], "checkmk": "2.4.0p37.cre", "python": "3.12.13 (main, Aug 14 2026, 09:49:44) [GCC 14.2.0]", "mod_wsgi": [4, 9, 4], "wsgi": [1, 0]}, "edition": "cre", "demo": false}

API=http://localhost/mysite/check_mk/api/1.0
A="cmkadmin:q1w2e3r4"
# 1. 创建主机
curl -s -u $A -H "Content-Type: application/json" -o /dev/null -w "add host HTTP %{http_code}\n" \
  -X POST $API/domain-types/host_config/collections/all \
  -d '{"folder":"/","host_name":"localhost","attributes":{"ipaddress":"127.0.0.1"}}'
# 2. 批量服务发现
curl -s -u $A -o /dev/null -w "bulk discovery HTTP %{http_code}\n" \
  -H "Content-Type: application/json" \
  -X POST $API/domain-types/discovery_run/actions/bulk-discovery-start/invoke \
  -d '{"hostnames":["localhost"],"options":{"monitor_undecided_services":true,"remove_vanished_services":true,"update_service_labels":true,"update_service_parameters":true,"update_host_labels":true},"do_full_scan":true,"ignore_errors":true}'
# 3. 激活变更
curl -s -u $A -o /dev/null -w "activate HTTP %{http_code}\n" \
  -H "If-Match: *" -H "Content-Type: application/json" \
  -X POST $API/domain-types/activation_run/actions/activate-changes/invoke \
  -d '{"sites":["mysite"],"force_foreign_changes":false}'

add host HTTP 200
bulk discovery HTTP 303
activate HTTP 200

dpkg -i /omd/sites/mysite/share/check_mk/agents/check-mk-agent_2.4.0p37-1_all.deb

Deployed xinetd
Starting xinetd
 * Starting internet superserver xinetd
   ...done.

dpkg -l check-mk-agent | tail -1
ss -ltn | grep 6556

ii  check-mk-agent 2.4.0p37-1   all          Checkmk Agent for Linux
LISTEN 0      64                 *:6556             *:*

# 第一步：删除站点（交互确认输入 yes）
echo yes | omd rm mysite

Stopping agent-receiver...not running.
Skipping Apache restart.
Removing /omd/sites/mysite/tmp from /etc/fstab...OK
Deleting user and group mysite...OK

# 第二步：卸载软件包
apt-get purge -y check-mk-raw-2.4.0p37 check-mk-agent

Purging configuration files for check-mk-raw-2.4.0p37 (0.jammy) ...
Removing system group 'omd'
Removing global links/directories
Conf zzz_omd disabled.
To activate the new configuration, you need to run:
  service apache2 reload