$ 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

# 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

# ip route show
default via 172.31.16.1 dev eth0 
10.244.1.0/24 via 10.244.1.0 dev flannel.1 onlink 
10.244.2.0/24 via 10.244.2.0 dev flannel.1 onlink 
10.244.3.0/24 via 10.244.3.0 dev flannel.1 onlink 
10.244.4.0/24 via 10.244.4.0 dev flannel.1 onlink 
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 
172.31.16.0/20 dev eth0 proto kernel scope link src 172.31.26.11

# kubectl describe lease -n kube-node-lease k8s-admin
Name:         k8s-node1
Namespace:    kube-node-lease
Labels:       <none>
Annotations:  <none>
API Version:  coordination.k8s.io/v1
Kind:         Lease
Metadata:
  Creation Timestamp:  2023-09-07T09:54:15Z
  Managed Fields:
    API Version:  coordination.k8s.io/v1
    Fields Type:  FieldsV1
	...
  Owner References:
    API Version:     v1
    Kind:            Node
    Name:            k8s-node1
    UID:             db3dafee-1232-4c07-a1c6-524f86a96fbe
  Resource Version:  46696081
  UID:               053d9b79-81be-4f3f-801e-09192012c822
Spec:
  Holder Identity:         k8s-node1
  Lease Duration Seconds:  40
  Renew Time:              2024-02-03T02:30:11.760176Z
Events:                    <none>

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  labels: 
    app: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2 
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:1.14.2
        ports:
        - containerPort: 80

selector:
  matchLabels:
    component: redis
  matchExpressions:
    - {key: tier, operator: In, values: [cache]}
    - {key: environment, operator: NotIn, values: [dev]}

kubectl get pods --field-selector status.phase=Running

kubectl get services  --all-namespaces --field-selector metadata.namespace!=default

kubectl get pods --field-selector=status.phase!=Running,spec.restartPolicy=Always

kubectl get statefulsets,services --all-namespaces --field-selector metadata.namespace!=default

curl -L -O https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-8.8.2-x86_64.rpm
rpm -vi filebeat-8.8.2-x86_64.rpm

systemctl enable --now filebeat