# ps -elf | grep 18686
5 S root     18686  1239  0  80   0 - 46620 pipe_w 15:50 ?        00:00:00 /usr/sbin/CROND -n
0 R root     18694 18686  7  80   0 - 610547 -     15:50 ?        00:00:02 /usr/local/php73/bin/php /home/www/admin/artisan PullData
0 S root     18754 18686  0  80   0 - 22453 pipe_w 15:50 ?        00:00:00 /usr/sbin/sendmail -FCronDaemon -i -odi -oem -oi -t -f root

# ls -l /usr/sbin/CROND
ls: cannot access /usr/sbin/CROND: No such file or directory

# cat /proc/18686/cmdline 
/usr/sbin/CROND-n

# cat /proc/900/comm 
crond

# cat /proc/900/status 
Name:	crond
Umask:	0022
State:	S (sleeping)
Tgid:	900
Ngid:	0
Pid:	900
PPid:	1239
TracerPid:	0

# cat /proc/900/stat
900 (crond) S 1239 1239 1239 0 -1 4202816 1627 0 0 0 0 0 0 0 20 0 1 0 139129633 190955520 1478 18446744073709551615 94685936058368 94685936118156 140733000396032 140733000262488 140427856103840 0 0 4096 16387 18446744071797306256 0 0 17 3 0 0 0 0 0 94685938219080 94685938221648 94685948321792 140733000400770 140733000400789 140733000400789 140733000400872 0

{{ some_variable | default(5) }}

{{ lookup('env', 'MY_USER') | default('admin', true) }}

- name: Touch files with an optional mode
  ansible.builtin.file:
    dest: "{{ item.path }}"
    state: touch
    mode: "{{ item.mode | default(omit) }}"
  loop:
    - path: /tmp/foo
    - path: /tmp/bar
    - path: /tmp/baz
      mode: "0444"

{{ myvar | type_debug }}

{{ dict | dict2items }}

tags:
  Application: payment
  Environment: dev

- key: Application
  value: payment
- key: Environment
  value: dev

# Dictionary data (before applying the ansible.builtin.dict2items filter):
files:
  users: /etc/passwd
  groups: /etc/group

# applying the ansible.builtin.dict2items filter
{{ files | dict2items(key_name='file', value_name='path') }}

# List data (after applying the ansible.builtin.dict2items filter):
- file: users
  path: /etc/passwd
- file: groups
  path: /etc/group

{{ tags | items2dict }}

tags:
  - key: Application
    value: payment
  - key: Environment
    value: dev

Application: payment
Environment: dev

{{ fruits | items2dict(key_name='fruit', value_name='color') }}

some_string_value | bool

ansible_facts['os_family'] == "RedHat" and ansible_facts['lsb']['major_release'] | int 

{{ some_variable | to_json }}
{{ some_variable | to_yaml }}

{{ some_variable | to_nice_json }}
{{ some_variable | to_nice_yaml }}

{{ some_variable | to_nice_json(indent=2) }}
{{ some_variable | to_nice_yaml(indent=8) }}

---
- name: Update web servers
  hosts: webservers
  remote_user: root

  tasks:
  - name: Ensure apache is at the latest version
    ansible.builtin.yum:
      name: httpd
      state: latest

  - name: Write the apache config file
    ansible.builtin.template:
      src: /srv/httpd.j2
      dest: /etc/httpd.conf

- name: Update db servers
  hosts: databases
  remote_user: root
  vars:
    port: 8080

  tasks:
  - name: Ensure postgresql is at the latest version
    ansible.builtin.yum:
      name: postgresql
      state: latest

  - name: Ensure that postgresql is started
    ansible.builtin.service:
      name: postgresql
      state: started
      
---
- name: Install multiple packages
  hosts: webservers
  tasks:
    - name: Install packages
      apt:
        name: "{{ item }}"
        state: present
      loop:
        - nginx
        - git
        - curl      

ansible-playbook playbook.yml -f 10

tasks:
  - name: Install nginx on Debian
    apt:
      name: nginx
      state: present
    when: ansible_facts['os_family'] == 'Debian'

---
- name: Example playbook using when conditions
  hosts: all
  become: yes

  vars:
    nginx_install: true
    packages_to_install:
      - nginx
      - git
    mydict:
      run_task: true

  tasks:
    - name: Install nginx only if nginx_install is true
      apt:
        name: nginx
        state: present
      when: nginx_install

    - name: Install nginx on Debian or Ubuntu
      apt:
        name: nginx
        state: present
      when: ansible_facts['os_family'] == 'Debian' or ansible_facts['os_family'] == 'Ubuntu'

    - name: Ensure package is installed if it is in the list
      apt:
        name: "{{ item }}"
        state: present
      loop: "{{ packages_to_install }}"
      when: item in packages_to_install

    - name: Run only if the key 'run_task' is present in mydict and its value is true
      debug:
        msg: "Running task"
      when: mydict.get('run_task', False)

ansible <hostname> -m ansible.builtin.setup

{{ ansible_facts['devices']['xvda']['model'] }}

{{ ansible_facts['nodename'] }}

test_target1:
  hosts:
    ansible-target-centos79-1:
      ansible_host: ansible-target-centos79-1
      ansible_user: root
    ansible-target-centos79-2:
      ansible_host: ansible-target-centos79-2
      ansible_port: 22
      ansible_user: root

---
- name: Change hostname based on inventory alias
  hosts: test_target1
  become: yes
  tasks:
    - name: Set hostname from alias
      hostname:
        name: "{{ inventory_hostname }}"

    - name: Update /etc/hosts file with new hostname
      lineinfile:
        path: /etc/hosts
        regexp: '^(127\.0\.1\.1\s+).*'
        line: "127.0.1.1 {{ inventory_hostname }}"
        state: present
      when: ansible_facts['distribution'] == 'Ubuntu'

    - name: Update /etc/sysconfig/network with new hostname (CentOS/RedHat)
      lineinfile:
        path: /etc/sysconfig/network
        regexp: '^HOSTNAME=.*'
        line: "HOSTNAME={{ inventory_hostname }}"
        state: present
      when: ansible_facts['distribution'] in ['CentOS', 'RedHat']

    - name: Set hostname using hostnamectl
      command: "hostnamectl set-hostname {{ inventory_hostname }}"
      when: ansible_facts['distribution'] in ['CentOS', 'RedHat', 'Ubuntu']

    - name: Reboot the system to apply changes
      reboot:
        msg: "Rebooting to apply hostname changes"
        pre_reboot_delay: 5
        post_reboot_delay: 30
        reboot_timeout: 300

$ yum whatprovides /bin/netstat
net-tools-2.0-0.25.20131004git.el7.x86_64 : Basic networking tools
Repo        : base
Matched from:
Filename    : /bin/netstat

apt-get install -y net-tools

# docker run --rm -it python:3.12.3 bash

# cat /etc/os-release 
PRETTY_NAME="Debian GNU/Linux 12 (bookworm)"
NAME="Debian GNU/Linux"
VERSION_ID="12"
VERSION="12 (bookworm)"
VERSION_CODENAME=bookworm
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

# python --version
Python 3.12.3

# pip install ansible

# pip list
Package      Version
------------ -------
ansible      9.5.1
ansible-core 2.16.6
cffi         1.16.0
cryptography 42.0.7
Jinja2       3.1.4
MarkupSafe   2.1.5
packaging    24.0
pip          24.0
pycparser    2.22
PyYAML       6.0.1
resolvelib   1.0.1
setuptools   69.5.1
wheel        0.43.0

# ansible --version
ansible [core 2.16.6]
  config file = None
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/lib/python3.12/site-packages/ansible
  ansible collection location = /root/.ansible/collections:/usr/share/ansible/collections
  executable location = /usr/local/bin/ansible
  python version = 3.12.3 (main, May 14 2024, 07:23:41) [GCC 12.2.0] (/usr/local/bin/python)
  jinja version = 3.1.4
  libyaml = True

[defaults]
# 设置默认的 inventory 文件路径
inventory = /etc/ansible/hosts

# 关闭主机密钥检查，方便新主机的快速添加
host_key_checking = False

# 设置默认的远程用户
remote_user = ansible

ansible-demo1.local
ansible-demo2.local

[webserver]
webserver1.local
webserver2.local

[nginxserver]
# 匹配多个主机：nginx1.local， nginx2.local， nginx3.local， nginx4.local
nginx[1:4].local variable1=value1 variable2=value2
nginx-bak.local ansible_ssh_host=10.10.0.1 ansible_ssh_port=22 ansible_ssh_user=root ansible_ssh_pass=PASSWORD
127.0.0.1 http_port=80 maxRequestPerChild=808

# 单行字符串
name: John Doe

# 整数
age: 35

# 浮点数
height: 5.9

# 布尔值
is_student: false

# 字面量样式保留换行符
address: |
  123 Main St
  Anytown, WW 12345

# 折叠样式将连续的行合并为一行
description: >
  This is a very long sentence
  that spans several lines in the YAML
  but will be rendered as a single
  line in the output.

# 列表
hobbies:
  - Reading
  - Fishing
  - Dancing

# 字典
person:
  name: John Doe
  age: 35
  city: New York

# 嵌套的列表和字典
employees:
  - name: John Doe
    job: Developer
    skills:
      - Python
      - SQL
  - name: Jane Smith
    job: Designer
    skills:
      - Photoshop
      - Illustrator

# 使用锚点和别名
defaults: &defaults
  adapter: postgres
  host: localhost

development:
  <<: *defaults
  database: dev_db

test:
  <<: *defaults
  database: test_db

# 字符串锚点和引用
name: &name_anchor "John Doe"
contact:
  name: *name_anchor

---
document1:
  - item1
---
document2:
  - item2

[Unit]
Description=process exporter
Documentation=process exporter
 
[Service]
ExecStart=/usr/bin/process-exporter -config.path /etc/prometheus/process_exporter.yml

[Install]
WantedBy=multi-user.target

process_names:
  - name: "{{.Comm}}"
    cmdline:
    - '.+'

process_names:

  - name: php_pro1
    cmdline:
      - /usr/local/php73/bin/php
      - /home/www/admin/artisan
      - Pulldata

  - name: php_schedule_run
    cmdline:
      - /usr/local/php73/bin/php
      - /home/www/admin/artisan
      - schedule:run

  - name: php_artisan_queue
    cmdline:
      - /usr/local/php73/bin/php
      - /home/www/admin/artisan
      - queue:work

  - name: "{{.Comm}}"
    cmdline:
    - '.+'

version: "3"

services:
  nextcloud-aio-mastercontainer:
    image: nextcloud/all-in-one:latest
    container_name: nextcloud-aio-mastercontainer
    ports:
      - "8000:80"
      - "8080:8080"
      - "8443:8443"
    volumes:
      - nextcloud_aio_mastercontainer:/mnt/docker-aio-config
      - /var/run/docker.sock:/var/run/docker.sock:ro

volumes:
  nextcloud_aio_mastercontainer:
    name: nextcloud_aio_mastercontainer
    driver: local
    driver_opts:
      type: none
      o: bind
      device: /opt/Nextcloud/data/

You should be able to open the Nextcloud AIO Interface now on port 8080 of this server!
E.g. https://internal.ip.of.this.server:8080

# my global config
global:
  scrape_interval:     15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
  evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
  # scrape_timeout is set to the global default (10s).

# Alertmanager configuration
alerting:
  alertmanagers:
  - static_configs:
    - targets:
      # - alertmanager:9093

# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
  # - "first_rules.yml"
  # - "second_rules.yml"

# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
  - job_name: 'prometheus'

    # metrics_path defaults to '/metrics'
    # scheme defaults to 'http'.

    static_configs:
    - targets: ['localhost:9090']

docker run -d -p 9090:9090 \
           --name prometheus \
           -v /root/prometheus/prometheus.yml:/etc/prometheus/prometheus.yml \
           prom/prometheus

wget https://github.com/oliver006/redis_exporter/releases/download/v1.59.0/redis_exporter-v1.59.0.linux-amd64.tar.gz
tar -xf redis_exporter-v1.59.0.linux-amd64.tar.gz
mv redis_exporter-v1.59.0.linux-amd64/redis_exporter /usr/bin/

[Unit]
Description=redis_exporter
After=syslog.target
After=network.target

[Service]
Type=simple
ExecStart=/usr/bin/redis_exporter
Restart=always
RestartSec=10
StartLimitInterval=100

[Install]
WantedBy=multi-user.target

# systemctl daemon-reload

# systemctl enable --now redis_exporter

# systemctl status redis_exporter
● redis_exporter.service - redis_exporter
   Loaded: loaded (/usr/lib/systemd/system/redis_exporter.service; enabled; vendor preset: disabled)
   Active: active (running) since Tue 2024-04-30 10:45:58 CST; 5s ago
 Main PID: 12126 (redis_exporter)
   CGroup: /system.slice/redis_exporter.service
           └─12126 /usr/bin/redis_exporter

Apr 30 10:45:58 ip-172-31-26-219.us-west-1.compute.internal systemd[1]: Started redis_exporter.
Apr 30 10:45:58 ip-172-31-26-219.us-west-1.compute.internal redis_exporter[12126]: time="2024-04-30T10:45:58+08:00" level=info msg="Redis Metrics Exp...md64"
Apr 30 10:45:58 ip-172-31-26-219.us-west-1.compute.internal redis_exporter[12126]: time="2024-04-30T10:45:58+08:00" level=info msg="Providing metrics...rics"
Hint: Some lines were ellipsized, use -l to show in full.

{
    "redis://localhost:7380": "paswd12",
    "redis://localhost:7381": "paswd12",
    "redis://localhost:7382": "paswd12",
    "redis://172.31.19.9:7380": "paswd12",
    "redis://172.31.19.9:7381": "paswd12",
    "redis://172.31.19.9:7382": ""
}

/usr/bin/redis_exporter -redis.password-file /etc/redis_exporter_pwd_file.json

scrape_configs:
  - job_name: 'redis_exporter_targets'
    file_sd_configs:
      - files:
        - targets-redis-instances.yml
    metrics_path: /scrape
    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: <<REDIS-EXPORTER-HOSTNAME>>:9121

  ## config for scraping the exporter itself
  - job_name: 'redis_exporter'
    static_configs:
      - targets:
        - <<REDIS-EXPORTER-HOSTNAME>>:9121

- labels:
    label1: value1
  targets: [ "redis://redis-host-01:6379", "redis://redis-host-02:6379"]

$ curl -v "https://api.telegram.org/bot{token}/sendMessage?text=sa&chat_id=-992754669"

> GET /bot{token}/sendMessage?text=sa&chat_id=-992754669 HTTP/1.1
> User-Agent: curl/7.29.0
> Host: api.telegram.org
> Accept: */*
> 
< HTTP/1.1 200 OK
< Server: nginx/1.18.0
< Date: Fri, 02 Jun 2023 03:03:58 GMT
< Content-Type: application/json
< Content-Length: 276
< Connection: keep-alive
< Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
< Access-Control-Allow-Origin: *
< Access-Control-Allow-Methods: GET, POST, OPTIONS
< Access-Control-Expose-Headers: Content-Length,Content-Type,Date,Server,Connection
< 
* Connection #0 to host api.telegram.org left intact
{"ok":true,"result":{"message_id":12,"from":{"id":5683237521,"is_bot":true,"first_name":"AlertManager","username":"AlertManager_Bot"},"chat":{"id":-992754669,"title":"AlertManager Test","type":"group","all_members_are_administrators":true},"date":1685675038,"text":"sa"}}

>>> import requests
>>> response = requests.get(f'https://api.telegram.org/bot{token}/sendMessage?text=sa&chat_id=-992754669')

>>> response.text
'{"ok":true,"result":{"message_id":13,"from":{"id":5683237521,"is_bot":true,"first_name":"AlertManager","username":"AlertManager_Bot"},"chat":{"id":-992754669,"title":"AlertManager Test","type":"group","all_members_are_administrators":true},"date":1685675769,"text":"sa"}}'

pip install --upgrade python-telegram-bot

>>> import telegram
>>> import asyncio
>>> bot = telegram.Bot(token='5683231111:AAHzaGf0oRg8A')
>>> async def send_telegram_message():
...     response = await bot.send_message(chat_id=-992754669, text="la")
...     print(response)
... 
>>> loop = asyncio.get_event_loop()
>>> loop.run_until_complete(send_telegram_message())
Message(channel_chat_created=False, chat=Chat(api_kwargs={'all_members_are_administrators': True}, id=-992754669, title='AlertManager Test', type=<ChatType.GROUP>), date=datetime.datetime(2023, 6, 2, 3, 39, 16, tzinfo=datetime.timezone.utc), delete_chat_photo=False, from_user=User(first_name='AlertManager', id=5683237521, is_bot=True, username='MS_AlertManager_Bot'), group_chat_created=False, message_id=14, supergroup_chat_created=False, text='la')

def send_message_to_tg(chat_id: int, text: str):
    ''' 发送消息到 tg'''
    bot = telegram.Bot(token=tg_bot_token)

    async def send_telegram_message():
        response = await bot.send_message(chat_id=chat_id, text=text)
        print(response)
    # loop = asyncio.get_event_loop()
    # loop.run_until_complete(send_telegram_message()) 
    asyncio.run(send_telegram_message())

cd /tmp
wget github.com/PCRE2Project/pcre2/releases/download/pcre2-10.42/pcre2-10.42.tar.gz
tar -zxf pcre2-10.42.tar.gz
cd pcre2-10.42
./configure
make
sudo make install

cd /tmp
wget http://zlib.net/zlib-1.2.13.tar.gz
tar -zxf zlib-1.2.13.tar.gz
cd zlib-1.2.13
./configure
make
sudo make install

cd /tmp
wget --no-check-certificate http://www.openssl.org/source/openssl-1.1.1t.tar.gz
tar -zxf openssl-1.1.1t.tar.gz
cd openssl-1.1.1t
./config shared zlib
make install

wget https://nginx.org/download/nginx-1.24.0.tar.gz
tar zxf nginx-1.24.0.tar.gz
cd nginx-1.24.0

wget https://github.com/vozlt/nginx-module-vts/archive/refs/tags/v0.2.2.tar.gz
tar -xf v0.2.2.tar.gz

./configure --prefix=/usr/local/nginx-1.24.0 \
            --with-http_stub_status_module \
            --with-http_ssl_module \
            --with-stream --with-stream_ssl_module \
            --with-openssl=/tmp/openssl-1.1.1t \
            --with-http_v2_module \
            --add-module=nginx-module-vts-0.2.2/

make
make install

[Unit]
Description=The nginx HTTP and reverse proxy server
After=network-online.target remote-fs.target nss-lookup.target
Wants=network-online.target

[Service]
Type=forking
PIDFile=/run/nginx.pid
# Nginx will fail to start if /run/nginx.pid already exists but has the wrong
# SELinux context. This might happen when running `nginx -t` from the cmdline.
# https://bugzilla.redhat.com/show_bug.cgi?id=1268621
ExecStartPre=/usr/bin/rm -f /run/nginx.pid
ExecStartPre=/usr/local/nginx-1.24.0/sbin/nginx -t
ExecStart=/usr/local/nginx-1.24.0/sbin/nginx
ExecReload=/usr/local/nginx-1.24.0/sbin/nginx -s reload
KillSignal=SIGQUIT
TimeoutStopSec=5
KillMode=process
PrivateTmp=true

[Install]
WantedBy=multi-user.target

http {
    ...   
    vhost_traffic_status_zone;

    vhost_traffic_status_filter_by_host on;

    server {
        listen 8888;
        server_name localhost;
        location /status {
            vhost_traffic_status_display;
            vhost_traffic_status_display_format json;
        }
 
    }                                                                                                                                                        
}

# curl localhost:8888/status
{"hostName":"testhost","moduleVersion":"v0.2.2","nginxVersion":"1.24.0","loadMsec":1713418497362,"nowMsec":1713418504352,"connections":{"active":7,"reading":0,"writing":1,"waiting":6,"accepted":7,"handled":7,"requests":14},"sharedZones":{"name":"ngx_http_vhost_traffic_status","maxSize":1048575,"usedSize":10587,"usedNode":3},"serverZones":{"api.testdomain.com":{"requestCounter":12,"inBytes":9330,"outBytes":6249,"responses":{"1xx":0,"2xx":12,"3xx":0,"4xx":0,"5xx":0,"miss":0,"bypass":0,"expired":0,"stale":0,"updating":0,"revalidated":0,"hit":0,"scarce":0},"requestMsecCounter":11,"requestMsec":0,"requestMsecs":{"times":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1713418503612,1713418503612,1713418503612,1713418503612,1713418503612,1713418503962,1713418503965,1713418503965,1713418503966,1713418503966,1713418504330,1713418504331],"msecs":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,1,3,3,0,0]},"requestBuckets":{"msecs":[],"counters":[]},"overCounts":{"maxIntegerSize":18446744073709551615,"requestCounter":0,"inBytes":0,"outBytes":0,"1xx":0,"2xx":0,"3xx":0,"4xx":0,"5xx":0,"miss":0,"bypass":0,"expired":0,"stale":0,"updating":0,"revalidated":0,"hit":0,"scarce":0,"requestMsecCounter":0}},"src.testdomain.ph":{"requestCounter":1,"inBytes":393,"outBytes":309,"responses":{"1xx":0,"2xx":0,"3xx":1,"4xx":0,"5xx":0,"miss":0,"bypass":0,"expired":0,"stale":0,"updating":0,"revalidated":0,"hit":0,"scarce":0},"requestMsecCounter":0,"requestMsec":0,"requestMsecs":{"times":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1713418500180],"msecs":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]},"requestBuckets":{"msecs":[],"counters":[]},"overCounts":{"maxIntegerSize":18446744073709551615,"requestCounter":0,"inBytes":0,"outBytes":0,"1xx":0,"2xx":0,"3xx":0,"4xx":0,"5xx":0,"miss":0,"bypass":0,"expired":0,"stale":0,"updating":0,"revalidated":0,"hit":0,"scarce":0,"requestMsecCounter":0}},"*":{"requestCounter":13,"inBytes":9723,"outBytes":6558,"responses":{"1xx":0,"2xx":12,"3xx":1,"4xx":0,"5xx":0,"miss":0,"bypass":0,"expired":0,"stale":0,"updating":0,"revalidated":0,"hit":0,"scarce":0},"requestMsecCounter":11,"requestMsec":0,"requestMsecs":{"times":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1713418500180,1713418503612,1713418503612,1713418503612,1713418503612,1713418503612,1713418503962,1713418503965,1713418503965,1713418503966,1713418503966,1713418504330,1713418504331],"msecs":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,1,3,3,0,0]},"requestBuckets":{"msecs":[],"counters":[]},"overCounts":{"maxIntegerSize":18446744073709551615,"requestCounter":0,"inBytes":0,"outBytes":0,"1xx":0,"2xx":0,"3xx":0,"4xx":0,"5xx":0,"miss":0,"bypass":0,"expired":0,"stale":0,"updating":0,"revalidated":0,"hit":0,"scarce":0,"requestMsecCounter":0}}},"upstreamZones":{"::nogroups":[{"server":"127.0.0.1:12000","requestCounter":5,"inBytes":4154,"outBytes":3351,"responses":{"1xx":0,"2xx":5,"3xx":0,"4xx":0,"5xx":0},"requestMsecCounter":11,"requestMsec":2,"requestMsecs":{"times":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1713418503962,1713418503965,1713418503965,1713418503966,1713418503966],"msecs":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,1,3,3]},"requestBuckets":{"msecs":[],"counters":[]},"responseMsecCounter":11,"responseMsec":2,"responseMsecs":{"times":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1713418503962,1713418503965,1713418503965,1713418503966,1713418503966],"msecs":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,1,3,3]},"responseBuckets":{"msecs":[],"counters":[]},"weight":0,"maxFails":0,"failTimeout":0,"backup":false,"down":false,"overCounts":{"maxIntegerSize":18446744073709551615,"requestCounter":0,"inBytes":0,"outBytes":0,"1xx":0,"2xx":0,"3xx":0,"4xx":0,"5xx":0,"requestMsecCounter":0,"responseMsecCounter":0}}]}}

- job_name: "Nginx"
    metrics_path: '/status/format/prometheus'
    static_configs:
    - targets: ['IPADDRESS:8888']
      labels:
        Department : 'OP'

$ /usr/local/nginx-1.24.0/sbin/nginx -t
/usr/local/nginx-1.24.0/sbin/nginx: error while loading shared libraries: libpcre2-8.so.0: cannot open shared object file: No such file or directory

# ./configure --prefix=/usr/local/nginx-1.24.0 \
            --with-http_stub_status_module \
            --with-http_ssl_module \
            --with-stream --with-stream_ssl_module \
            --with-http_v2_module \
            --add-module=nginx-module-vts-0.2.2/

checking for PCRE2 library ... found
checking for OpenSSL library ... not found
checking for OpenSSL library in /usr/local/ ... not found
checking for OpenSSL library in /usr/pkg/ ... not found
checking for OpenSSL library in /opt/local/ ... not found

./configure: error: SSL modules require the OpenSSL library.
You can either do not enable the modules, or install the OpenSSL library
into the system, or build the OpenSSL library statically from the source
with nginx by using --with-openssl=<path> option.

./configure --prefix=/usr/local/nginx-1.24.0 \
            --with-http_stub_status_module \
            --with-http_ssl_module \
            --with-stream --with-stream_ssl_module \
            --with-openssl=/tmp/openssl-1.1.1t \
            --with-http_v2_module \
            --add-module=nginx-module-vts-0.2.2/

# ./configure --prefix=/usr/local/nginx-1.24.0 \
            --with-http_stub_status_module \
            --with-http_ssl_module \
            --with-stream --with-stream_ssl_module \
            --with-openssl=/usr/local/lib64/ \
            --with-http_v2_module \
            --add-module=nginx-module-vts-0.2.2/

# make
make -f objs/Makefile
make[1]: Entering directory `/root/nginx-1.24.0'
cd /usr/local/lib64/ \
&& if [ -f Makefile ]; then make clean; fi \
&& ./config --prefix=/usr/local/lib64//.openssl no-shared no-threads  \
&& make \
&& make install_sw LIBDIR=lib
/bin/sh: line 2: ./config: No such file or directory
make[1]: *** [/usr/local/lib64//.openssl/include/openssl/ssl.h] Error 127
make[1]: Leaving directory `/root/nginx-1.24.0'
make: *** [build] Error 2

./configure --prefix=/usr/local/nginx-1.24.0 \
            --with-http_stub_status_module \
            --with-http_ssl_module \
            --with-stream --with-stream_ssl_module \
            --with-openssl=/tmp/openssl-1.1.1t \
            --with-http_v2_module \
            --add-module=nginx-module-vts-0.2.2/

make
make install

nginx: the configuration file /usr/local/nginx-1.24.0/conf/nginx.conf syntax is ok
nginx: [emerg] getpwnam("nginx") failed
nginx: configuration file /usr/local/nginx-1.24.0/conf/nginx.conf test failed

100 - (avg by (instance) (irate(node_cpu_seconds_total{mode="idle"}[5m])) * 100)

(node_memory_MemTotal_bytes - node_memory_MemFree_bytes - node_memory_Cached_bytes - node_memory_Buffers_bytes) / node_memory_MemTotal_bytes * 100

irate(node_network_receive_bytes_total{device!~"cni0|docker.*|flannel.*|veth.*|virbr.*|lo",kubernetes_io_hostname=~"$node"}[$prometheusTimeInterval])

irate(node_network_transmit_bytes_total{device!~"cni0|docker.*|flannel.*|veth.*|virbr.*|lo",kubernetes_io_hostname=~"$node"}[$prometheusTimeInterval])

from django.db import models

# 公司部门
class Department(models.Model):
    name = models.CharField(max_length=24, unique=True, help_text="部门名称",verbose_name='名称')
    shortName = models.CharField(max_length=8, unique=True, help_text="部门名称简称",verbose_name='简称')
    manager = models.ForeignKey('Emplyee', on_delete=models.CASCADE, help_text="部门老大")
    comment = models.CharField(max_length=256, blank=True, help_text="备注信息",verbose_name='备注')

    def __str__(self):
        return self.shortName

    class Meta:
        # 管理后台显示的 model 名，最后面没有 's'
        verbose_name_plural = "部门"
        
        # 管理后台显示的 model 名，最后面有 's'，显示为 '部门s'
        verbose_name = "部门"
        
        # 数据库中生成的表名称 默认 app名称 + 下划线 + 类名
        db_table = "table_name"

python manage.py makemigrations
python manage.py migrate

from django.contrib import admin

# 假如 app 为 servers，导入 models
from servers import models

admin.site.site_header = "My Admin"
admin.site.site_title = "My Admin"

@admin.register(models.Department)
class DepartmentAdmin(admin.ModelAdmin):
    list_display = ('id','name','shortName','manager','comment')
    list_display_links = ('id','name','shortName','manager','comment')

aws help

aws ec2 help

aws configure --profile source-account