yum -y groupinstall "Development Tools"
yum -y update kernel
yum -y install kernel-devel kernel-headers gcc gcc-c++

mount /dev/cdrom /mnt
cd /mnt
./VBoxLinuxAdditions.run

reboot

cd /var/www/
ln -s マウント先 sf_html

gpasswd -a oreore vboxsf
gpasswd -a apache vboxsf

mount -t vboxsf -o dmode=0755,fmode=0755 （共有名） (マウント先）

reboot

function createWindow() {
    mainWindow = new BrowserWindow({ width: 800, height: 600 , webPreferences: {
        nodeIntegration: true
	}});

const path = require('path');
function createWindow() {
    mainWindow = new BrowserWindow({ width: 800, height: 600 , webPreferences: {
        nodeIntegration: false,
        contextIsolation: true,
        preload: path.join(__dirname, "preload.js")
	}});

const { contextBridge, ipcRenderer} = require("electron");
const request = require('request');//使ってないけど?


contextBridge.exposeInMainWorld(
    "hoge_hoge", {
        send: (data) => {
           consloe.log(data);
           document.getElementById("hoge").innerHtml = "Hey!! " + data;
           ipcRenderer.send("Hey!! " + data);
        },
        receive: (data) => {
                consloe.log(data);  
                //ipcRenderer.on(channel, (event, ...args) => func(...args));
        }
    }
);

<button id="btn">Hey!!</button>
<span id="hoge"></span>
<script>
	document.getElementById("btn").addEventListener("click",(e)=>{
		window.hoge_hoge.send("hogeO!!");
	});
</script>

*.example.com 123.123.123.123

<VirtualHost *:80>
  ServerName www.example.com
  DocumentRoot "/var/www/html/example.com"
  ErrorLog /var/log/httpd/example.com_error_log
  <Directory "/var/www/html/example.com">
    AllowOverride All
  </Directory>
</VirtualHost>
<VirtualHost *:80>
  ServerName example.com
  ServerAlias *.example.com
  VirtualDocumentRoot "/var/www/html/subdomain/%1"
  ErrorLog /var/log/httpd/sub.example.com_error_log
</VirtualHost>

certbot certonly --manual \
-d *.example.com -m mail@example.com --agree-tos --manual-public-ip-logging-ok \
--preferred-challenges dns \

_acme-challenge.example.com XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

nslookup -type=TXT _acme-challenge.example.com 8.8.8.8

<VirtualHost *:443>
  ServerName www.example.com
  DocumentRoot "/var/www/html/example.com"
  ErrorLog /var/log/httpd/example.com_error_log
  <Directory "/var/www/html/example.com">
    AllowOverride All
  </Directory>
  SSLEngine on
  SSLCertificateFile /etc/letsencrypt/live/example.com/fullchain.pem
  SSLCertificateKeyFile /etc/letsencrypt/live/example.com/privkey.pem
</VirtualHost>
<VirtualHost *:443>
  ServerName example.com
  ServerAlias *.example.com
  VirtualDocumentRoot "/var/www/html/subtaxi/%1"
  SSLEngine on
  SSLCertificateFile /etc/letsencrypt/live/example.com/fullchain.pem
  SSLCertificateKeyFile /etc/letsencrypt/live/example.com/privkey.pem
  ErrorLog /var/log/httpd/example.com_error_log
</VirtualHost>

dnf --enablerepo=PowerTools install oniguruma-devel

./configure \
--prefix=/var/www/php-7.4.6  \
--with-config-file-path=/var/www/php-7.4.6 \
--with-config-file-scan-dir=/var/www/php-7.4.6 \
--with-zip \
--enable-gd \
--with-jpeg \
--with-xpm \
--with-zlib \
--with-gettext \
--enable-bcmath \
--enable-sockets \
--enable-opcache \
--enable-exif \
--with-curl \
--with-bz2 \
--enable-calendar \
--enable-inline-optimization \
--with-expat \
--enable-mbstring \
--enable-mbregex \
--with-freetype \
--with-openssl \
--with-mysqli \
--with-pdo-mysql \
--with-mysql-sock=/var/lib/mysql/mysql.sock

http://blog.goo.ne.jp/XMLRPC
http://blogsearch.google.co.jp/ping/RPC2
http://blogsearch.google.com/ping/RPC2
http://ping.bloggers.jp/rpc/
http://ping.blogmura.jp/rpc/
http://ping.exblog.jp/xmlrpc
http://ping.fc2.com/
http://api.my.yahoo.com/RPC2

<?php
/*
Plugin Name: jp-auto-tag2
Version: 0.1.10
Description: auto jp tag2
Author: taoka toshiaki
Author URI: https://zip358.com/
Plugin URI: https://zip358.com/plugin/jp-auto-tag2.zip
*/
class jp_auto_tag2
{
    public $db_option = "jp_auto_tag2";
    function frm_page2()
    {
        add_menu_page('jp-auto-tag2', 'jp-auto-tag2',  'manage_options', __FILE__, array($this, 'show_text_option_page2'), '', 8);
    }
    function show_text_option_page2()
    {
        wp_enqueue_style('bootstrap', 'https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css', array(), '3.3.6');
        wp_enqueue_script('bootstrap', 'https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js', array(), '3.3.6');
        $options = get_option($this->db_option);
        if (!empty($options)) {
            $Access_Token_Publish_URL = $options["Access_Token_Publish_URL"];
            $API_Base_URL = $options["API_Base_URL"];
            $Client_ID = $options["Client_ID"];
            $Client_secret = $options["Client_secret"];
            $max_keyword_num = $options["max_keyword_num"];
        }
        include_once dirname(__FILE__) . '/jp-auto-tag-tmp2.php';
    }
    function ajax_event2()
    {
        $options["max_keyword_num"] = $obj["max_keyword_num"] = (int)$_POST["max_keyword_num"]<5?5:(int)$_POST["max_keyword_num"];
        $options["Access_Token_Publish_URL"] = $obj["Access_Token_Publish_URL"] = $_POST["Access_Token_Publish_URL"];
        $options["API_Base_URL"] = $obj["API_Base_URL"] = $_POST["API_Base_URL"];
        $options["Client_ID"] = $obj["Client_ID"] = $_POST["Client_ID"];
        $options["Client_secret"] = $obj["Client_secret"] = $_POST["Client_secret"];
        update_option($this->db_option, $options);
        print json_encode($obj);
        die(0);
    }
    function api_tag2($post_id)
    {
        $cuthttp = function ($str = "") {
            if (!$str) return $str;
            return preg_replace("/https?:\/\/[a-zA-Z0-9|%|\?|_|=|-|\.|\/]*$/m", "", $str);
        };
        $post = get_post($post_id);
        $title = $post->post_title;
        $content = strip_tags($post->post_content);
        $document = $title . $cuthttp($content);
        $options = get_option($this->db_option);
        if ($options["Access_Token_Publish_URL"] && $options["Client_ID"] && $options["Client_secret"]) {
            $curl = function ($ptn, $options, $token = "", $token_type = "", $document = "") {
                switch ($ptn) {
                    case "token":
                        $data = [
                            'grantType' => 'client_credentials',
                            'clientId' => $options["Client_ID"],
                            'clientSecret' => $options["Client_secret"],
                        ];
                        $header = [
                            'Content-Type: application/json;charset=UTF-8',
                        ];
                        $url = $options["Access_Token_Publish_URL"];
                        break;
                    case "tag":
                        $data = [
                            'document' => $document,
                            'max_keyword_num'=>$options["max_keyword_num"],
                        ];
                        $header = [
                            'Authorization: ' . ucfirst($token_type) . ' ' . $token,
                            'Content-Type: application/json;charset=UTF-8',
                        ];
                        $url = rtrim($options["API_Base_URL"],"/")."/nlp/v1/keyword";
                        break;
                }
                $curl = curl_init();
                curl_setopt($curl, CURLOPT_URL, $url);
                curl_setopt($curl, CURLOPT_CUSTOMREQUEST, 'POST');
                curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($data));
                curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
                curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
                curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
                curl_setopt($curl, CURLOPT_HEADER, true);
                $response = curl_exec($curl);
                $header_size = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
                $header = substr($response, 0, $header_size);
                $body = substr($response, $header_size);
                $res = (object)json_decode($body, true);
                curl_close($curl);
                return $res;
            };
            $res = $curl("token", $options);
            $access_token = $res->access_token;
            $token_type = $res->token_type;
            if ($options["API_Base_URL"] && $document && $access_token){
                $res = $curl("tag", $options, $access_token, $token_type, $document);
                foreach($res->result as $key=>$val){
                    $tags[] = $val["form"];
                }
                wp_set_post_tags($post_id, implode(",", array_unique($tags)), false);
            }
        }
    }
}
$jp_auto_tag2 = new jp_auto_tag2();
add_action('save_post', array($jp_auto_tag2, 'api_tag2'));
add_action('publish_post', array($jp_auto_tag2, 'api_tag2'));
add_action('admin_menu', array($jp_auto_tag2, 'frm_page2'));
add_action('wp_ajax_ajax_event2', array($jp_auto_tag2, 'ajax_event2'));

<form id="ajax-frm">
<table class="table">
    <tr>
        <td>
            プラグイン説明：jp-auto-tag2はapi.ce-cotoha.comのAPIを<br>
            使用し投稿文を解析しキーワードをタグを抽出します。<br>
        </td>
    </tr>
    <tr>
        <td>
            <a href="https://api.ce-cotoha.com/contents/index.html" target="new">https://api.ce-cotoha.com/contents/index.html</a><br>
            上記のURLよりユーザー登録を行いAPI情報をそれぞれ入力ください。全て必須項目になります。
        </td>
    </tr>
    <tr>
        <td>
            Access Token Publish URL:<br>
            <input type="text" name="Access_Token_Publish_URL" value="<?=$Access_Token_Publish_URL?>"   class="form-control">
        </td>
    </tr>
    <tr>
        <td>
            API Base URL:<br>
            <input type="text" name="API_Base_URL" value="<?=$API_Base_URL?>"   class="form-control">
        </td>
    </tr>
    <tr>
        <td>
            Client ID:<br>
            <input type="text" name="Client_ID" value="<?=$Client_ID?>"   class="form-control">
        </td>
    </tr>
    <tr>
        <td>
            Client_secret:<br>
            <input type="text" name="Client_secret" value="<?=$Client_secret?>"   class="form-control">
        </td>
    </tr>
    <tr>
        <td>
            抽出するキーワード（タグ数）5以上:<br>
            <?php
            $max_keyword_num = (int)$max_keyword_num<5?5:$max_keyword_num;
            ?>
            <input type="text" name="max_keyword_num" value="<?=$max_keyword_num?>"   class="form-control">
        </td>
    </tr>
    <tr>
        <td colspan="2"><input type="button" id="frmsubmit" value="登録する" class="form-control"></td>
    </tr>
</table>
</form>
<script>
    jQuery(function($){
        $("#frmsubmit").on("click",function(){
            var ajaxurl = '<?=admin_url( 'admin-ajax.php');?>';
            var data = $("#ajax-frm").serializeArray();
            data.push({name:"action",value:"ajax_event2"});
            $.ajax({
               type:'POST',
               url:ajaxurl,
               data:data,
               success:function(obj){
                   console.log(obj);
                   alert("更新しました");
               }
            });
        });
    })
</script>

<?php
class timeKeeper{
    public static $json_filename = "abc.json";
    public static $json_api_url = "https://example.com/api/?v=1.333";
    public static function judge(){
        $server_timestamp = time();
        $server_time = date('Y/m/d H',$server_timestamp);
        $json_timestamp = filemtime(self::$json_filename);
        $json_time = date('Y/m/d H',$json_timestamp);
        return $server_time === $json_time ? true : false;
    }
    public static function api_run($opts=null){
        if(is_null($opts))return false;
        $context = stream_context_create($opts);
        $json = file_get_contents(self::$json_api_url, false, $context);
        $fp = fopen(self::$json_filename, "w");
        fwrite($fp,$json);
        fclose($fp);
        return self::json_load();
    }
    public static function json_load(){
        $json = file_get_contents(self::$json_filename);
        return json_decode($json, true);
    }
    public static function check(){
        if(file_exists(self::$json_filename)){
            return self::judge();
        }
        return false;
    }
}
///使用例
if(timeKeeper::check()){
   $json = timeKeeper::json_load();
}else{
    $opts = array(
        "http"=>array(
        "method" => "POST",
        "header" => "User-Agent: php"
        )
    );
    $json = timeKeeper::api_run($opts);
}

<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<meta name="Description" content="Enter your description here"/>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.2/css/bootstrap.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.0/css/all.min.css">
<link rel="stylesheet" href="assets/css/style.css">
<title>さくらレンタルサーバーでWordPressのDBバックアップを支援するPHPコード</title>
</head>
<body>
	<div class="container">
		<div class="row">
			<div class="col table-responsive">
					<table class="table" id="tbl">
					</table>
			</div>
		</div>
	</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.1/umd/popper.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.5.2/js/bootstrap.min.js"></script>
<script src="./assets/js/common.js?<?=time()?>"></script>
</body>
</html>

window.onload = function () {
	$.ajax({
		type: "POST",
		dataType: "json",
		url: "./lib/view.php",
		data: "data",
		success: function (response) {
			if (response.password.ok === "ok") {
				view();
			} else {
				passwordview();
			}
		}
	});
};


function view() {
	let str = "";
	fetch("./schedule.dat").then(response => response.text()).then(data => {
		let weekval = data.split(",");
		let weekname = 
			[
				{en:"Sunday",ja:"日曜日"},
				{en:"Monday",ja:"月曜日"},
				{en:"Tuesday",ja:"火曜日"},
				{en:"Wednesday",ja:"水曜日"},
				{en:"Thursday",ja:"木曜日"},
				{en:"Friday",ja:"金曜日"},
				{en:"Saturday",ja:"土曜日"}
			];
		
		if (weekval.length === 7) {
			for (var i = 0; i < 7; i++) {
				let weekvalflg = weekval[i] == 1 ? " checked " : "";
				str += `
		<tr>
		<td>${weekname[i].ja}</td>
		<td>
			<div class="form-check">
				<input id="${weekname[i].en}_chk" class="form-check-input" type="checkbox" name="" value=1 ${weekvalflg}>
				<label for="${weekname[i].en}_chk" class="form-check-label">バックアップする</label>
			</div>
		</td>
	</tr>
		`;
			}
		} else {
			for (var i = 0; i < 7; i++) {
				str += `
		<tr>
		<td>${weekname[i].ja}</td>
		<td>
			<div class="form-check">
				<input id="${weekname[i].en}_chk" class="form-check-input" type="checkbox" name="" value=1>
				<label for="${weekname[i].en}_chk" class="form-check-label">バックアップする</label>
			</div>
		</td>
	</tr>
		`;
			}

		}
		str += `
<tr>
	<td colspan="2"><button class="btn btn-primary"  id="btn" type="button">設定する</button></td>
</tr>
`;
		document.getElementById("tbl").innerHTML = str;
		document.getElementById("btn").addEventListener("click", function () {
			$.ajax({
				type: "POST",
				url: "./lib/backup-setting.php",
				data: {
					Sunday: document.getElementById("Sunday_chk").checked?1:0,
					Monday: document.getElementById("Monday_chk").checked?1:0,
					Tuesday: document.getElementById("Tuesday_chk").checked?1:0,
					Wednesday: document.getElementById("Wednesday_chk").checked?1:0,
					Thursday: document.getElementById("Thursday_chk").checked?1:0,
					Friday: document.getElementById("Friday_chk").checked?1:0,
					Saturday: document.getElementById("Saturday_chk").checked?1:0
				},
				dataType: "json",
				success: function (response) {
					if (response.ok == "ok") {
						alert("設定しました");
					} else {
						alert("失敗しました");
					}
				}
			});
		});

	});
}

function passwordview() {
	document.getElementById("tbl").innerHTML = `
	<tr>
	<td>wordpress Id</td>
	<td>
		<div class="input-group">
			<input class="form-control" type="text" id="wpid" placeholder="ワードプレスのIDを入力ください" aria-label="ワードプレスのIDを入力ください" aria-describedby="wpid">
		</div>
	</td>
</tr>
<tr>
	<td>wordpress pass</td>
	<td>
		<div class="input-group">
			<input class="form-control" type="password" id="wppass" placeholder="ワードプレスのPassを入力ください" aria-label="ワードプレスのIDを入力ください" aria-describedby="wppass">
		</div>
	</td>
</tr>
<tr>
	<td colspan="2"><button class="btn btn-primary"  id="btn" type="button">ログインする</button></td>
</tr>	
	`;



	document.getElementById("btn").addEventListener("click", function () {
		$.ajax({
			type: "POST",
			dataType: "json",
			url: "./lib/pass.php",
			data: { wpid: document.getElementById("wpid").value, wppass: document.getElementById("wppass").value },
			success: function (response) {
				if (response.password.ok === "ok") {
					view();
				} else {
					alert(response.password.msg);
					passwordview();
				}
			}
		});
	});
}