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什么是ping服务？

威海了解搜索引擎威海ping
3109

ping是基于XML_RPC标准协议的更新通告服务，用于博客把内容更新快速通知给百度，以便百度及时进行抓取和更新。

Public @ 2012-06-17 16:22:50

网站已经更改，删除过时信息

我已经记录下来，将来不会再回答这些过时信息。谢谢您的提醒。

Public @ 2023-04-09 15:50:33

百度搜索如何防止被骗？

1、勿轻信“中奖”消息利用“中奖”骗取汇款是最常用的网络骗术之一诈骗过程：发送大量的中奖通知（提供兑奖联络方式）----（如网友与之联系）诈骗者以个税等各类名义要求汇款（提供银行帐号）----收到汇款（诈骗成功）----拖延时间要求再次汇款 ----诈骗者销声匿迹。2、警惕冒充官方网站的网址 &nb

Public @ 2016-05-02 16:23:12

Linux开启ping

威海服务器/VPS 威海Ping
3924

默认情况下，Linux操作系统是开启ping的。如果你的Linux系统无法ping通其他设备，可能是因为防火墙做了限制，可以关闭防火墙或者添加相应的规则。要检查系统是否支持ping命令，可以在终端中输入ping命令并按下回车键。如果系统支持ping，将会收到响应。如果系统不支持，将会提示“command not found”。如果你需要确保ping被开启，可以在终端中输入以下命令： su

Public @ 2023-06-16 01:50:29

Linux开启ping

威海服务器/VPS 威海Ping
3201

为了您的服务器安全系统默认是禁Ping，如果需要开启，可参考以下方法。以CentosOS系统为例：1、系统默认为开启ping。修改文件：/etc/sysctl.conf2、允许ping增加一行：net.ipv4.icmp_echo_ignore_all=03、禁止ping增加一行：net.ipv4.icmp_echo_ignore_all=14、修改后使用以下命令使之生效：sysctl -p注：0

Public @ 2016-05-07 16:13:00

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[ DB ] CONNECT:[ UseTime:0.033240s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.023437s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 5426 LIMIT 1 [ RunTime:0.022361s ]
[ 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:0.022653s ]
[ 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:0.022826s ]
[ 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:0.023296s ]
[ 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` = 5426 LIMIT 1 [ RunTime:0.022305s ]
[ 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=5426 [ RunTime:0.025389s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海了解搜索引擎' AND `status` <> -1 LIMIT 1 [ RunTime:0.029095s ]
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[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海了解搜索引擎' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.040632s ]
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[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海ping' AND `status` <> -1 LIMIT 1 [ RunTime:0.028785s ]
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[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海ping' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.038243s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9541, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

0.566520s

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