虚拟主机相关基础知识_威海佰年网络技术有限公司_网站建设_软件开发_私有云_商标注册_公众号_小程序_APP_物联网_ChatGPT

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虚拟主机相关基础知识

虚拟主机是指使用单台服务器来托管多个网站的技术。这种技术可以让多个网站共享同一个服务器的资源，从而降低了成本。虚拟主机的基础知识包括以下内容： 1. IP地址：每个服务器都有一个唯一的IP地址，用于标识服务器的位置和身份。 2. 域名：通过域名可以将网站与IP地址相联系，方便用户访问网站。 3. DNS：域名系统（Domain Name System）负责将域名解析为IP地址，方便用户访问网站。 4. HTTP：超文本传输协议（Hypertext Transfer Protocol）是一种用于客户端和服务器之间传输数据的协议。 5. 网站根目录：每个网站都有一个根目录，该目录包含网站的文件和文件夹。 6. FTP：文件传输协议（File Transfer Protocol）是一种用于将文件从客户端上传到服务器或从服务器下载到客户端的协议。 7. 数据库：用于存储网站数据的结构化数据集合，常见的数据库管理系统有MySQL、Oracle、SQL Server等。 8. 控制面板：用于管理虚拟主机的Web界面，可以帮助用户管理域名、FTP、数据库等。虚拟主机是托管多个网站的一个有效方式，用户可以根据自身需求选择不同的虚拟主机方案，从而满足不同的网站托管需求。

Public @ 2023-06-24 02:50:14

HTTP和HTTPS有什么区别？什么是SSL证书？使用ssl证书优势？

威海网站建设威海https
1404

什么是SSL？SSL是指安全套接层协议（以及传输层协议TLS），位于TCP/IP协议与各种应用层协议之间，为数据通讯提供安全支持，是目前使用最广泛的安全协议。它为互联网或内部网络连接，进行操作的两台机器之间提供安全信息通道，即HTTPS。1.1 数据传输期间，对信息进行加密1.2通过唯一的SSL凭据识别证书所有者身份。1.3先验证证书所有者身份，再颁发SSL证书图片.pngHTTP和HTTPS有什

Public @ 2015-03-07 15:35:55

影响网站打开速度的9大因素

再好的网站，如果打开速度慢，10个人会有9个人选择离开，我归纳了大约9大影响网站打开速度的因素，但网站页面显示的速度取决于众多的因素，包括服务器性能、网络传输质量、网站的带宽、DNS解析、网页内容包括涉及到的JS代码、图片和视频的大小等等各种因素，如有不全，欢迎跟帖补充和指正。影响网站打开速度的9大因素性能优化网站监测网站优化 SEO推广第1张（再好的网站，如果打开速度慢，10个人会有9个

Public @ 2012-07-30 15:37:10

虚拟主机常见问题解答

虚拟主机问题1. 什么是虚拟主机?答：虚拟主机是在网络服务器上分出一定的磁盘空间供用户放置站点、应用组件等，提供必要的站点功能、数据存放和传输功能。所谓虚拟主机，也叫“网站空间”，就是把一台运行在互联网上的服务器划分成多个“虚拟”的服务器，每一个虚拟主机都具有独立的域名和完整的Internet服务器（支持WWW、FTP等）功能。2. 虚拟主机是否有独立的IP地址?答：虚拟主机用户没有独立的IP

Public @ 2011-02-14 15:45:45

虚拟主机续费流程

虚拟主机续费流程mi.jpg1.点击www.west.cn 登录账号denglu.jpg2.点击充值预付款进行充值chongzhi.jpg3.点击管理中心-业务管理-虚拟主机管理-续费，进入续费页面xunixufei1.jpg4.选择年限，提交续费（划重点，续费多年有限时的赠送时间优惠哦）xunixufei2.jpg5.完成续费，检查到期时间是否更新正确xunixufei3.jpg温馨提示1

Public @ 2010-09-11 16:00:46

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[ DB ] CONNECT:[ UseTime:0.026920s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.019093s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.018272s ]
[ 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:0.019114s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.017951s ]
[ 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:0.019123s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9343 LIMIT 1 [ RunTime:0.018136s ]
[ 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:0.018350s ]
[ 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:0.018618s ]
[ 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:0.018767s ]
[ 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` = 9343 LIMIT 1 [ RunTime:0.018074s ]
[ 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+2 where id=9343 [ RunTime:0.022310s ]
[ 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:0.028400s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, '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:0.046080s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海虚拟主机' AND `status` <> -1 LIMIT 1 [ RunTime:0.024840s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海虚拟主机' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.038035s ]
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