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使用Ping命令來測(cè)試網(wǎng)絡(luò)連通性非常簡單。以下是在Windows和Mac上使用Ping命令的方法：在Windows上： 1. 打開命令提示符?？梢栽陂_始菜單中搜索"命令提示符"并打開。 2. 在命令提示符窗口中，輸入“ping 目標(biāo)IP地址或域名”，例如“ping www.example.com”。按下回車鍵開始執(zhí)行Ping命令。 3. Windows會(huì)發(fā)送一系列的網(wǎng)絡(luò)探測(cè)請(qǐng)求到目標(biāo)地址，并顯示相應(yīng)的結(jié)果。你可以根據(jù)結(jié)果來判斷網(wǎng)絡(luò)的連通性和延遲。在Mac上： 1. 打開終端?？梢栽趹?yīng)用程序文件夾的實(shí)用工具文件夾中找到終端。 2. 在終端窗口中，輸入“ping 目標(biāo)IP地址或域名”，例如“ping www.example.com”。按下回車鍵開始執(zhí)行Ping命令。 3. Mac會(huì)發(fā)送一系列的網(wǎng)絡(luò)探測(cè)請(qǐng)求到目標(biāo)地址，并顯示相應(yīng)的結(jié)果。你可以根據(jù)結(jié)果來判斷網(wǎng)絡(luò)的連通性和延遲。無論是在Windows還是Mac上使用Ping命令，結(jié)果中會(huì)顯示每次請(qǐng)求的響應(yīng)時(shí)間和丟包率。通常情況下，網(wǎng)絡(luò)連接正常時(shí)應(yīng)該能夠收到響應(yīng)且丟包率應(yīng)該為0%。如果結(jié)果顯示大量的丟包或者響應(yīng)時(shí)間過長，可能表示網(wǎng)絡(luò)存在問題。

Public @ 2023-06-30 12:50:14

淺談百度搜索排序

百度搜索排序是指，當(dāng)用戶在百度搜索某個(gè)關(guān)鍵詞時(shí)，百度將展示給用戶相關(guān)的搜索結(jié)果，并將這些結(jié)果按照一定的排序規(guī)則排列，使得用戶可以更快速、更方便地找到他們感興趣的內(nèi)容。百度搜索排序的目的是優(yōu)化搜索體驗(yàn)，提高用戶滿意度。下面是一些影響百度搜索排序的因素： 1. 網(wǎng)站的質(zhì)量和內(nèi)容，百度會(huì)評(píng)估網(wǎng)站的質(zhì)量、可信度和內(nèi)容是否豐富，如果你的網(wǎng)站質(zhì)量高且內(nèi)容豐富，則排名會(huì)高。 2. 關(guān)鍵詞相關(guān)性，搜索結(jié)果

Public @ 2023-06-24 03:00:12

Google確認(rèn)Traffic Power被懲罰刪除

根據(jù)我所了解的信息，Google確實(shí)懲罰和刪除了Traffic Power。Traffic Power是一家以提供搜索引擎優(yōu)化服務(wù)為主的公司，據(jù)說他們使用了不道德的技術(shù)來提高客戶的排名，例如使用隱藏鏈接和關(guān)鍵詞填充等黑帽SEO技術(shù)。因此，Google對(duì)Traffic Power采取了嚴(yán)厲的懲罰措施，將其在搜索結(jié)果中刪除或降低其排名。這一事件發(fā)生在2006年左右，是Google對(duì)濫用SEO技術(shù)進(jìn)行打

Public @ 2023-07-29 20:50:13

Linux開啟ping

威海服務(wù)器/VPS 威海Ping
1377

為了您的服務(wù)器安全系統(tǒng)默認(rèn)是禁Ping，如果需要開啟，可參考以下方法。以CentosOS系統(tǒng)為例：1、系統(tǒng)默認(rèn)為開啟ping。修改文件：/etc/sysctl.conf2、允許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

ping tracert nslookup命令的使用方法和相關(guān)參數(shù)判斷

1. ping命令的使用： ping [-t] [-a] [-n 次數(shù)] [-l 封包大小] [-f] [-i TTL] [-v TOS] [-r 數(shù)據(jù)字節(jié)] [-s 數(shù)據(jù)字節(jié)] 目標(biāo)名稱/IP 2. tracert命令的使用： tracert [-d] [-h 最大躍點(diǎn)數(shù)] [-j 指定代理] [-w 延遲] [-R] [-S 源IP地址] [-4] [-6] 目標(biāo)名稱/IP

Public @ 2023-03-01 22:00:30

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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.023932s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.017114s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9635 LIMIT 1 [ RunTime:0.025274s ]
[ 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:0.016634s ]
[ 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:0.016916s ]
[ 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:0.016881s ]
[ 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` = 9635 LIMIT 1 [ RunTime:0.016631s ]
[ 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=9635 [ RunTime:0.020105s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo專題' AND `status` <> -1 LIMIT 1 [ RunTime:0.023119s ]
[ 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seo專題' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.049255s ]
[ 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Ping' AND `status` <> -1 LIMIT 1 [ RunTime:0.023289s ]
[ 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Ping' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034470s ]
[ 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', ) ]

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怎樣使用Ping命令來測(cè)試網(wǎng)絡(luò)連通性

淺談百度搜索排序

Google確認(rèn)Traffic Power被懲罰刪除

Linux開啟ping

ping tracert nslookup命令的使用方法和相關(guān)參數(shù)判斷

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