### Run eXperDB Enterprise Installer

Source: https://guide-gov.ncloud-docs.com/docs/experdb-experdb-1-2

Execute the installer script on the Management server to begin the Enterprise Edition setup. Follow the prompts to choose installation options.

```bash
$  ./eXperDB-Enterprise-Installer-cloud.sh
$  ...
$  Install Product choice(1~2): [2]
```

--------------------------------

### Player Initialization and Playback

Source: https://guide-gov.ncloud-docs.com/docs/vpe-web

Example of how to initialize a player and start playback.

```APIDOC
let player = new ncplayer('myElement', {
    playlist: [
        { 
            file:"http://example.com/myVideo.mp4",
            poster:"http://example.com/myVideoThumb.png" 
        }
    ]
});
player.play();
```

--------------------------------

### Install eXperDB Agent Setup

Source: https://guide-gov.ncloud-docs.com/docs/experdb-experdb-1-2

Run the agent setup script on the eXperDB server to enable control via the Management console. This is required for Enterprise Edition.

```bash
sh /experdb/app/eXperDB-Management/setup-agent.sh
```

--------------------------------

### Install and Start MySQL Server (CentOS 7.x - ncloud user)

Source: https://guide-gov.ncloud-docs.com/docs/clouddbformysql-start-classic

Installs and starts the MySQL server as the 'ncloud' user on CentOS 7.x. This command is typically used when logged in as the ncloud user.

```bash
[ncloud@localhost ~]$ sudo yum -y install mysql mysql-server
[ncloud@localhost ~]$ sudo systemctl start mysqld
```

--------------------------------

### Start Kafka Server

Source: https://guide-gov.ncloud-docs.com/docs/hadoop-vpc-use-ex15

Starts the Kafka server in daemon mode using the specified server properties file. Ensure you are in the Kafka installation directory.

```bash
[root@s17e27e0cf6c ~ ]# cd kafka_2.12-2.4.0
[root@s17e27e0cf6c kafka_2.12-2.4.0]# ./bin/kafka-server-start.sh -daemon config/server.properties
```

--------------------------------

### Download and Install Agent for Classic Windows VM

Source: https://guide-gov.ncloud-docs.com/docs/cloudinsight-faq

Steps to install the agent on a Classic environment Windows VM. Navigate to the installation path, download the package, unzip it, and run the installation batch file.

```batch
cd C:\Program Files(x86)\NBP
curl https://real-repo.nsight.gov-ncloud.com/agent_controller_windows_ncp.zip -O
unzip agent_controller_windows_ncp.zip
agent_controller_windows\install_agent.bat gov-classic
```

--------------------------------

### Download and Install Agent for Classic Windows Bare Metal

Source: https://guide-gov.ncloud-docs.com/docs/cloudinsight-faq

Steps to install the agent on a Classic environment Windows Bare Metal server. Navigate to the installation path, download the package, unzip it, and run the installation batch file.

```batch
cd C:\Program Files(x86)\NBP
curl https://real-repo.nsight.gov-ncloud.com/agent_controller_windows_gov_bm.zip -O
unzip agent_controller_windows_gov_bm.zip
agent_controller_windows\install_agent.bat classic
```

--------------------------------

### Install and Start nscd Service

Source: https://guide-gov.ncloud-docs.com/docs/globaldns-troubleshoot-common

Install the nscd package and start the service on Linux to enable DNS caching for faster host lookups.

```bash
yum install nscd
service nscd start
```

--------------------------------

### Tibero Multi-Instance Setup Steps

Source: https://guide-gov.ncloud-docs.com/docs/tibero-tibero-1-2

Follow these steps to add a new Tibero database instance. Ensure you have a good understanding of Tibero databases before proceeding. Refer to the Tibero online manual for Unix environment specifics.

```bash
(1) su - tibero
(2) export TB_SID=[새로운 TB_SID]
    > export TB_SID=tibero2
(3) $TB_HOME/config/gentip.sh
(4) tbcfgv or vi $TB_HOME/config/$TB_SID.tip
    > DB_NAME=tibero2
    > LISTENER_PORT=9629
(5) tbcliv or vi $TB_HOME/client/config/tbdsn.tbr
리스너 추가
    > tibero2=(
    >     (INSTANCE=(HOST=localhost)
    >         (PORT=9000)
    >         (DB_NAME=tibero)
    >     )
    > )
(6) tbboot nomount
(7) tbsql sys/tibero
(8) SQL> Database Create 쿼리
    [ Tibero 온라인 매뉴얼 ] - [ Tibero 설치안내서 ] - [ 3.3. 수동 설치 ] - [ 3.3.2. Unix 환경 ] - [ 7 ]
(9) tbboot
    > Listener port = 9629
    > Tibero 6
    > TmaxData Corporation Copyright (c) 2008-. All rights reserved.
    > Tibero instance started up (NORMAL mode).
(10) $TB_HOME/scripts/system.sh -p1 tibero -p1 syscat -a1 y -a2 y -a3 y -a4 y
    > …
    > Done.
```

--------------------------------

### Check Tibero Installation Log

Source: https://guide-gov.ncloud-docs.com/docs/tibero-tibero-1-1

Access the installation log file to review any errors or details during the Tibero setup.

```bash
$ vi /root/.dbset.log
```

--------------------------------

### Example Service Output

Source: https://guide-gov.ncloud-docs.com/docs/k8s-k8suse-loadbalancer

This is an example output from the 'kubectl get svc' command, showing the external IP assigned to the 'example-service'.

```text
NAME              TYPE           CLUSTER-IP       EXTERNAL-IP    PORT(S)          AGE
example-service   LoadBalancer   172.16.101.104   10.39.10.118   8765:30365/TCP   2m11s
```

--------------------------------

### Configure and Play Video Player with Options

Source: https://guide-gov.ncloud-docs.com/docs/vpe-ios

Set up the player view, initialize the SDK with a license key, and play video content using provided player options. Ensure the license key is obtained from the Naver Cloud Platform console.

```swift
class player:NCPlayerView{}

class ViewController: UIViewController, NCPlayerDelegate {  
@IBOutlet weak var playerView: player?
}
override func viewDidAppear(_ animated: Bool) {
    super.viewDidAppear(animated)

    // SDK 초기화
    //licenseKey = access_key
    let licenseKey = "{access_key}"

    // 플레이어 옵션(콘솔에서 만들어진 스크립트 코드 사용)
    let playerOptions = """
    {
        "playlist":[
            {
                "file":"https://CDN도메인/example_video_01.mp4",
                "poster":"https://CDN도메인/example_video_01.png",
            }
        ],
        "autostart":true,
        }
   
    "
  
    NCPlayer.shared.initialize(licenseKey: licenseKey)
    NCPlayer.shared.delegate = self

    // 실행
    playerView?.play(playerOptions)
    
}
```

--------------------------------

### Start Flume Agent

Source: https://guide-gov.ncloud-docs.com/docs/hadoop-vpc-use-ex8

This command starts a Flume agent with the specified configuration. Navigate to the Flume installation directory before running this command.

```bash
cd ~/apps/flume/

./bin/flume-ng agent --conf ./conf/ -f conf/flume.conf -Dflume.root.logger=DEBUG,console -n  fooAgent
```

--------------------------------

### Start eXperMON Script

Source: https://guide-gov.ncloud-docs.com/docs/experdb-experdb-1-1

Navigate to the eXperMON directory and execute the script to launch the tool for database management.

```bash
$ cd /experdb/app/postgres/etc
$ ./eXpermon.sh
```

--------------------------------

### Install Python Requests Module

Source: https://guide-gov.ncloud-docs.com/docs/hadoop-chadoop-use-ex9

Install the 'requests' Python module using yum and pip. This is a prerequisite for running the Spark example code.

```bash
$ sudo yum install -y epel-release
$ sudo yum install -y python-pip
$ sudo pip install requests
```

--------------------------------

### Install Apache, PHP, and MySQL Libraries

Source: https://guide-gov.ncloud-docs.com/docs/clouddbformysql-external-vpc

Install essential packages for running phpMyAdmin on an application server. Ensure these are installed before proceeding with further configuration.

```bash
sudo dnf -y install httpd php mysql php-mysqlnd
```

--------------------------------

### Start Webshell Behavior Detector Agent

Source: https://guide-gov.ncloud-docs.com/docs/wbd-wbdtroubleshoot-common

Use this command to start the agent if it was installed before the detection target was registered. Ensure you run this with root privileges.

```bash
# Option 1: Re-run the agent installation script
# This will skip the installation and start the agent.

# Option 2: Manually start the agent
/opt/nbp/wbd/wbd_agent -s start
```

--------------------------------

### Configure eXperDB Installation Paths

Source: https://guide-gov.ncloud-docs.com/docs/experdb-experdb-1-2

Set the root password, eXperDB home path, data path, and service port during installation. Pressing Enter accepts default values.

```bash
 $  Please enter the root password to install system packages.
 $  Root Password : [root 비밀번호 입력]

 ===================== Installing eXperDB Platform =======================

 $  eXperDB Home path [ /experdb ] : (Enter 입력 시, 기본 설정값으로 생성)
 $  eXperDB Data path [ /experdata/data ] : (Enter 입력 시, 기본 설정값으로 생성)
 $  eXperDB Service Port [5432] : (Enter 입력 시, 기본 설정값으로 생성)
```

--------------------------------

### Run eXperDB Enterprise Installer

Source: https://guide-gov.ncloud-docs.com/docs/experdb-experdb-1-2

Execute the eXperDB Enterprise installer script. This is the initial step after gaining root access and setting passwords.

```bash
$  ./eXperDB-Enterprise-Installer-cloud.sh
$  ...
$ Install Product choice(1~2): [1]
```

--------------------------------

### Successful MySQL Connection Example

Source: https://guide-gov.ncloud-docs.com/docs/clouddbformysql-start-classic

An example demonstrating a successful connection to a MySQL server, showing the welcome message and server version.

```bash
[root@localhost ~] # mysql -h db-gmcp.cdb.ntruss.com -umysql_dba -p --port 3306
Enter password: **********
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 17199
Server version: 5.7.19-log MySQL Community Server (GPL)

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql>
```

--------------------------------

### Check KVM Guest Agent Status (Not Installed or Abnormal)

Source: https://guide-gov.ncloud-docs.com/docs/server-ts-kvm-win-vpc

This example shows the expected output when the KVM Guest Agent is not installed or is not running correctly.

```text
# Get VM Tool Status
KVM Guest Agent is not installed [Not Ok]
```

--------------------------------

### Start Agent on Linux VM

Source: https://guide-gov.ncloud-docs.com/docs/cloudinsight-faq

Execute the start script to run the Agent service on a Linux Virtual Machine.

```bash
/home1/nbpmon/agent_controller_linux/start_agent.sh
```

--------------------------------

### Check KVM Guest Agent Status (Installed and Running)

Source: https://guide-gov.ncloud-docs.com/docs/server-ts-kvm-win-vpc

This example shows the expected output when the KVM Guest Agent is installed and its service is running.

```text
# Get VM Tool Status
KVM Guest Agent is installed [Ok]
```

--------------------------------

### 자동 재생 설정

Source: https://guide-gov.ncloud-docs.com/docs/vpe-example-play

autostart 속성을 true로 설정하여 플레이어의 자동 재생 기능을 활성화합니다. 자동 재생은 특정 조건에서만 제한적으로 작동합니다.

```javascript
new ncplayer('video1', {
  autostart: true, // 자동 재생(false: 자동 재생 안 함)
  playlist: [
    {
      file: 'https://CDN도메인/example_video_01.mp4',
    },
  ],

```

--------------------------------

### Deploy Nginx Example

Source: https://guide-gov.ncloud-docs.com/docs/k8s-k8sexamples-velero

Save this YAML to nginx-example.yaml and apply it to your cluster to deploy nginx for testing.

```yaml
# nginx-example.yaml
---
apiVersion: v1
kind: Namespace
metadata:
  name: nginx-example
  labels:
    app: nginx
---

kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: nginx-log-pvc
  namespace: nginx-example
  labels:
    app: nginx
spec:
  storageClassName: nks-block-storage
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 10Gi

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deploy
  namespace: nginx-example
  labels:
    app: nginx
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      volumes:
        - name: nginx-logs
          persistentVolumeClaim:
           claimName: nginx-log-pvc
      containers:
      - image: io.kr.ncr.ntruss.com/nks/nginx:1.9
        name: nginx
        ports:
        - containerPort: 80
        volumeMounts:
        - mountPath: "/var/log/nginx"
          name: nginx-logs
          readOnly: false

```

--------------------------------

### Start eXperDB Service

Source: https://guide-gov.ncloud-docs.com/docs/experdb-experdb-1-1

Use this command to start the eXperDB database service. Ensure the experdb account's password is set first.

```bash
$ pg_ctl start
```

--------------------------------

### Verify Tibero Multi-Instance Installation

Source: https://guide-gov.ncloud-docs.com/docs/tibero-tibero-1-2

Check if multiple Tibero instances are running as separate processes. This confirms the successful setup of the multi-instance configuration.

```bash
ps -ef | grep tbsvr
```

--------------------------------

### Test App Invocation Example

Source: https://guide-gov.ncloud-docs.com/docs/clovastudio-skilltrainer-usecase

This example demonstrates how to invoke a test application for a trained skill set version. Ensure you replace placeholders with your actual SKILLSET_ID, VERSION, API_KEY, REQUEST_ID, CLIENT_ID, and CLIENT_SECRET. Refer to the API guide for detailed invocation methods.

```shell
curl --location --request POST 'https://clovastudio.stream.gov-ntruss.com/testapp/v1/skillsets/{SKILLSET_ID}/versions/{VERSION}/final-answer' \
--header 'Authorization: Bearer {API_KEY}' \
--header 'X-NCP-CLOVASTUDIO-REQUEST-ID: {REQUEST_ID}' \
--header 'Content-Type: application/json' \
--data '{  
    "query": "네이버 주소 알려줘",
    "tokenStream": true,
    "requestOverride": {
        "baseOperation": {
            "header": {
                "X-Naver-Client-Id": "{CLIENT_ID}", // 애플리케이션 등록 시 발급받은 클라이언트 아이디 값
                "X-Naver-Client-Secret": "{CLIENT_SECRET}" // 애플리케이션 등록 시 발급받은 클라이언트 시크릿 값
            }
        }
    }
}'
```

--------------------------------

### Create and Set Permissions for resolv.conf

Source: https://guide-gov.ncloud-docs.com/docs/compute-ntk-vpc

Use these commands to create the /etc/resolv.conf file and set its permissions if it does not exist.

```bash
# touch /etc/resolv.conf
# chmod 644 /etc/resolv.conf
```

--------------------------------

### Check SourceDeploy Agent Status

Source: https://guide-gov.ncloud-docs.com/docs/devtools-sourcedeploy-deploysetting

Use this command to verify if the SourceDeploy agent is running and installed correctly. This is useful for initial setup verification and troubleshooting connection issues.

```bash
service sourcedeploy status
```

--------------------------------

### Install Python SDKs

Source: https://guide-gov.ncloud-docs.com/docs/storage-storage-10-11

Install the required python-swiftclient and python-keystoneclient libraries using pip. Ensure you use the specified versions for compatibility.

```bash
pip install python-swiftclient==3.6.0
pip install python-keystoneclient==3.17.0
```

--------------------------------

### Run eXperDB HA Setup Script

Source: https://guide-gov.ncloud-docs.com/docs/experdb-experdb-1-1

Execute the experdb_ha_setup.sh script on the Active server to initiate the high availability configuration. This script guides you through entering server details.

```bash
$ cd $PGHOME/etc
$ ./experdb_ha_setup.sh
```

--------------------------------

### Generated Secure Token URL (Java)

Source: https://guide-gov.ncloud-docs.com/docs/networking-networking-7-1

Example of a fully formed URL with a Secure Token generated by the Java SDK, including start time, expiration, ACL, and HMAC signature.

```url
http://example.cdn.ntruss.com/sample.pdf?token=st=1592202370~exp=1592205970~acl=/sample.pdf*~hmac=d422a548ae769bbaddc1d27f03fe6e096a4ba492928f3eb9c09824f93d78f507
```

--------------------------------

### Linux에서 파일 시스템 확장 (ext4)

Source: https://guide-gov.ncloud-docs.com/docs/compute-compute-4-1-v2

Linux 서버에서 ext4 파일 시스템을 확장하고 마운트하는 명령어입니다. 확장 후 `df -h` 명령어로 정상적으로 적용되었는지 확인할 수 있습니다.

```bash
mount /dev/xvdb1 /data

resize2fs /dev/xvdb1
```

--------------------------------

### Start Tibero Database

Source: https://guide-gov.ncloud-docs.com/docs/tibero-tibero-1-1

Use the 'tbboot' command to start the Tibero database. Refer to the Tibero online manual for detailed options.

```bash
tbboot
```

--------------------------------

### Android Intent URL for Naver Maps

Source: https://guide-gov.ncloud-docs.com/docs/naveropenapiv3-maps-url-scheme-url-scheme

Use an intent URL to automatically redirect to the Google Play Store if the app is not installed. This example shows how to display a marker at a specific location.

```URL
intent://actionPath?parameter=value&appname={YOUR_APP_NAME}#Intent;scheme=nmap;action=android.intent.action.VIEW;category=android.intent.category.BROWSABLE;package=com.nhn.android.nmap;end
```

```URL
intent://place?lat=37.4979502&lng=127.0276368&name=%EA%B2%BD%EA%B8%B0%EB%8F%84%20%EC%84%B1%EB%82%A8%EC%8B%9C%20%EB%B6%84%EB%8B%B9%EA%B5%AC%20%EC%A0%95%EC%9E%90%EB%8F%99&appname=com.example.myapp#Intent;scheme=nmap;action=android.intent.action.VIEW;category=android.intent.category.BROWSABLE;package=com.nhn.android.nmap;end
```

--------------------------------

### HTTP Method Execution

Source: https://guide-gov.ncloud-docs.com/docs/cloudfunctions-apigateway-classic

Demonstrates how to call a Cloud Function using the HTTP GET method via API Gateway. Includes an example of the expected response body and the curl command to execute it.

```APIDOC
## HTTP GET /api/v1/users

### Description
Invokes a Cloud Function endpoint using the HTTP GET method.

### Method
GET

### Endpoint
https://myproduct.apigw.gov-ntruss.com/api/v1/users

### Response
#### Success Response (200)
- **body** (object) - The response body from the Cloud Function.
  - **name** (string) - Example field indicating the function name.

### Response Example
```json
{
    "name": "Cloud Functions"
}
```

### Request Example
```bash
$ curl -i -X GET "https://myproduct.apigw.gov-ntruss.com/api/v1/users"
```
```

--------------------------------

### Boot Ubuntu 22.04 from GRUB

Source: https://guide-gov.ncloud-docs.com/docs/linux-grub-boot-issue-vpc

Use these GRUB commands to boot an Ubuntu 22.04 instance. Ensure the kernel and initrd file names match your system's installed versions.

```grub
grub> set root=(hd0,gpt2)
grub> linux /boot/vmlinuz-5.15.0-140-generic root=/dev/vda2 ro net.ifnames=0 console=ttyS0,115200n8 console=tty0
grub> initrd /boot/initrd.img-5.15.0-140-generic
grub> boot
```

--------------------------------

### Java Example for File Filter API Request

Source: https://guide-gov.ncloud-docs.com/docs/filesafer-programming-file

Demonstrates how to make an API request to the File Filter service to get scan results. Ensure you have generated the necessary authentication values and parameters beforehand.

```java
public static void main(String[] args)
{
	String apiDomain = "https://gov-filesafer.apigw.gov-ntruss.com";
	String method = "GET";
	String apiURL = "/filefilter/v1/getInputFileLog?hashCode=FILE_HASH&hashType=sha1"; // step 3: add required parameter 

	long timestamp = System.currentTimeMillis();

	// step 2: Create Authentication Value
	String signature = makeSignature(method, apiURL, timestamp);
	
	// step 4: Request API
	URL url = new URL(apiDomain + apiURL);
	HttpURLConnection con = (HttpURLConnection)url.openConnection();
	con.setRequestMethod(method);
	con.setRequestProperty("x-ncp-apigw-timestamp", Long.toString(timestamp));
	con.setRequestProperty("x-ncp-iam-access-key", ACCESSKEY); // access key (from portal or sub account) 
	con.setRequestProperty("x-ncp-apigw-signature-v2", signature);

			
	// step5: Check the response value and determine whether to block
	int responseCode = con.getResponseCode();
	BufferedReader br = null;
	
	if(responseCode == 200) {
		br = new BufferedReader(new InputStreamReader(con.getInputStream()));

		String inputLine;
		StringBuffer response = new StringBuffer();
		while ((inputLine = br.readLine()) != null) {
			response.append(inputLine);
		}
	
		// do next step (ex, determine whether to block)
		...

		br.close();
	}
}
```