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MAC蘋果系統(tǒng)如何打開終端ping和跟蹤路由

1、打開Launchpad

QQ截圖20150410104951.jpg

2、點擊“其他”

QQ截圖20150410105348.jpg

3、打開“終端”

QQ截圖20150410105412.jpg

如何ping？

在終端窗口中輸入ping 和您的域名即可，如：“ping testchan.gotoip1.com”

QQ截圖20150410105703.jpg

如何跟蹤路由？

在終端窗口中輸入traceroute 空格和您的域名即可，如：“traceroute testchan.gotoip1.com”

QQ截圖20150410112110.jpg

如何測試端口？

在終端窗口中輸入telnet 空格和您要測試的服務(wù)器IP 空格端口號即可，如：“telnet 192.168.7.201 21”

QQ截圖20150410112435.jpg

常用的端口（若端口沒有對應(yīng)的服務(wù)監(jiān)聽，即沒使用，測試是無法顯示反饋信息的）：

21：FTP端口

25:SMTP端口

110:POP3端口

80：WEB端口

1433：MSSQL端口

3306：MYSQL端口

來源：西部數(shù)碼

Public @ 2012-09-09 16:13:50

JavaScript解析：讓搜索引擎看到更真實的網(wǎng)頁

長期以來，站長們選擇使用JavaScript來實現(xiàn)網(wǎng)頁的動態(tài)行為，這樣做的原因是多種多樣的，如加快頁面的響應(yīng)速度、降低網(wǎng)站流量、隱藏鏈接或者嵌入廣告等。由于早期的搜索引擎沒有相應(yīng)的處理能力，導(dǎo)致在索引這類網(wǎng)頁上往往出現(xiàn)問題，可能無法收錄有價值的資源，也可能出現(xiàn)作弊。引入JavaScript解析的目的，正是為了解決上述兩方面的問題，其結(jié)果也就是使搜索引擎可以更為清晰的了解用戶實際打開該網(wǎng)頁時看到的效

Public @ 2017-02-23 16:17:18

Windows+Tomcat下安裝SSL證書

1.在Windows操作系統(tǒng)中，下載Oracle JDK并安裝。 2.下載Tomcat，并在系統(tǒng)中安裝。 3.下載SSL證書，并將其存儲在系統(tǒng)中。 4.在Tomcat中配置SSL。首先，轉(zhuǎn)到Tomcat安裝目錄下的conf文件夾。在此文件夾中，打開server.xml文件。在文件末尾，添加以下代碼： ```xml ``` 注意： - SSL啟用必須設(shè)置為true。 - 所需的Keys

Public @ 2023-03-30 03:50:22

使用PING命令輕松判斷TCP/IP故障

威海服務(wù)器/VPS 威海Ping
2339

本文介紹使用PING命令輕松判斷TCP/IP故障的方法。1、Ping 127.0.0.1：127.0.0.1是本地循環(huán)地址，如果本地址無法Ping通，則表明本地機TCP/IP協(xié)議不能正常工作。2、Ping本機的IP地址：用IPConfig查看本機IP，然后Ping該IP，通則表明網(wǎng)絡(luò)適配器（網(wǎng)卡或MODEM）工作正常，不通則是網(wǎng)絡(luò)適配器出現(xiàn)故障。3、Ping同網(wǎng)段計算機的IP：Ping一臺同網(wǎng)段計

Public @ 2010-03-18 16:13:39

MAC蘋果系統(tǒng)如何打開終端ping和跟蹤路由

1、打開LaunchpadQQ截圖20150410104951.jpg2、點擊“其他”QQ截圖20150410105348.jpg3、打開“終端”QQ截圖20150410105412.jpg如何ping？在終端窗口中輸入ping 和您的域名即可，如：“ping testchan.gotoip1.com”QQ截圖20150410105703.jpg如何跟蹤路由？在終端窗口中輸入trace

Public @ 2012-09-09 16:13:50

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基本文件流程錯誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.025295s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018118s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 4823 LIMIT 1 [ RunTime:0.017103s ]
[ 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:0.017451s ]
[ 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:0.018007s ]
[ 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:0.018178s ]
[ 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` = 4823 LIMIT 1 [ RunTime:0.017004s ]
[ 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=4823 [ RunTime:0.017936s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海網(wǎng)站建設(shè)' AND `status` <> -1 LIMIT 1 [ RunTime:0.023146s ]
[ 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` = '威海網(wǎng)站建設(shè)' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.042175s ]
[ 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Ping' AND `status` <> -1 LIMIT 1 [ RunTime:0.023802s ]
[ 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Ping' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.033313s ]
[ 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', ) ]

0.457798s

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MAC蘋果系統(tǒng)如何打開終端ping和跟蹤路由

JavaScript解析：讓搜索引擎看到更真實的網(wǎng)頁

Windows+Tomcat下安裝SSL證書

使用PING命令輕松判斷TCP/IP故障

MAC蘋果系統(tǒng)如何打開終端ping和跟蹤路由

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