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常用公共DNS服务器地址

威海网站建设威海dns
1987

1) Google DNS： - 8.8.8.8 - 8.8.4.4 2) CloudFlare DNS： - 1.1.1.1 - 1.0.0.1 3) Quad9 DNS： - 9.9.9.9 - 149.112.112.112

Public @ 2023-03-01 12:48:06

网站出现service unavailable的解决方法

当网站出现 "service unavailable" 的错误信息时，可能是由于服务器过载、网络故障或其他问题导致的。以下是一些可能的解决方案： 1. 等待一段时间后再试：很多时候， "service unavailable" 的错误只是短暂的，可能是由于服务器正在处理更多的请求，因此需要等待几分钟或几个小时后再尝试访问。 2. 刷新页面：刷新页面可以尝试解决浏览器缓存、网络故障等问题。 3

Public @ 2023-06-19 15:00:19

phpstudy如何安装ssl证书

威海网站建设威海SSL
2862

要在 PHPStudy 中安装 SSL 证书，需要进行以下步骤： 1. 下载 SSL 证书文件（通常是 `.crt` 或 `.pem` 格式）和私钥文件（通常是 `.key` 或 `.pem` 格式）。 2. 打开 PHPStudy 文件夹，找到 `nginx/conf/ssl` 文件夹。 3. 将下载的 SSL 证书文件和私钥文件复制到 `ssl` 文件夹中。 4. 修改 `nginx/

Public @ 2023-07-22 15:00:18

域名解析不生效的原因与排查方法

威海网站建设威海dns
3543

域名解析不生效的原因可能有多种，下面是一些常见的原因和排查方法： 1. DNS缓存问题：域名解析过程中，可能存在DNS缓存导致解析不同步。可以尝试清空本地DNS缓存，可以通过在命令行中执行"ipconfig /flushdns"（Windows系统）或者"sudo killall -HUP mDNSResponder"（Mac系统）来清空本地DNS缓存。 2. 域名解析设置错误：检查域名解析是

Public @ 2023-07-31 18:00:35

常用公共DNS服务器地址

威海网站建设威海dns
1988

1) Google DNS： - 8.8.8.8 - 8.8.4.4 2) CloudFlare DNS： - 1.1.1.1 - 1.0.0.1 3) Quad9 DNS： - 9.9.9.9 - 149.112.112.112

Public @ 2023-03-01 12:48:06

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.026382s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.018594s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.017758s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_hook` [ RunTime:0.018661s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.017639s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.019504s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6115 LIMIT 1 [ RunTime:0.017914s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.018108s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.018329s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.018715s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6115 LIMIT 1 [ RunTime:0.017630s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+1 where id=6115 [ RunTime:0.020841s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 LIMIT 1 [ RunTime:0.024823s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.046649s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海dns' AND `status` <> -1 LIMIT 1 [ RunTime:0.024785s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海dns' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.036101s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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