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Can ping through, access to the Web, first in the cmd test telnet IP 80 to see if it is a firewall problem.Modify the firewall to open the specified port1 Installing Iptables[email protected] ~]# Yum install iptables-servicesSet firewall rules (add 80 ports)[Email protected] ~]# Vim/etc/sysconfig/iptablesOpen file, add 80 port that line*filter: INPUT ACCEPT [0:0]: FORWARD ACCEPT [0:0]: OUTPUT ACCEPT [0:0]-A input-m state--state related,established-j ACCEPT-A input-p icmp-j ACCEPT-A input-i lo-j

Win7 Shared folders cannot be accessed? Green Tea small weave fat brings the Win7 shared folder without permission Access setting method, the use of HomeGroup shared files in the Win7 system is quick and easy, but how can I solve the problem when I can't access it? The first step, the synchronization workgroup Regardless of the version of the Windows operating system, first make sure that the workgroup name of the networked computers is the same, to

people use IFRAME to make a framework, to embed our site, visitors to browse the time, as if browsing his own site, then how to solve it? The following methods can be broken:PHP-Level SolutionsThe JS-level solution is not friendly to search engines, although it allows the malicious proxy page to jump back. Here is the server-side (PHP) solution, the code is relatively simple, not much to say.$proxy _rs = $this, Proxy_filter (), if ($proxy _rs! = ' Nowamagic.net ' | | $proxy _rs! = ' www.nowamag

Sometimes when you uninstall the burn software, there may be a problem with the optical drive not being accessed. How to troubleshoot this problem with no access to the optical drive what do we do? Let me briefly explain how to resolve the problem of not having access to the CD drive.First Open Registry Editor, locate and delete [Hkey_local_machinesystemcurrentcontrolsetcontrol class{4d36e95-e325-11e-bfc1-080028be10318}, It's OK to reboot the computer

A cross-domain problem occurs only when JavaScript initiates an Ajax call, or when Silverlight initiates a service invocation, because the browser is given a lower permission for both requests, usually allowing only the resources in the domain to be called. Unless the target server explicitly tells it to allow cross-domain calls.Therefore, the cross-domain problem is caused by the behavior of the browser, but the solution is on the server side. Because it is not possible to require all clients t

Statement: The public IP of the machine refers to the ADSL dialing method obtained by the public network IP, not refers to fixed public network IP.First, create a new IIS siteXP system requires an installation package to install the IIS serviceWindows7 and above with the system directly in the Windows-> Control Panel, install or remove the Windows Program->windows Service (not remember), and then select the Check IIS serviceSecond, access to public network IPAccess IE, enter the domain name: htt

ASP.net's session mode InProc changed to StateServer, the site can not be accessed I changed the InProc to StateServer, the website is not accessible, and my WAP site is C #. Database sql2000, want to implement a session is not period of conversation, timeout changed, seems to not workSession mode several states When developing asp.net applications, modify the sessionstate nodes in the web.config. StateServer mode: StateServer Mode Benefits: Ses

Clinical manifestations: The first page can be accessed after Tomcat starts (http://localhost:8080/). Place a Web Engineering war package that you wrote under the/webapps (such as Helloworld.war) under the Tomcat installation directory, accessing HTTP via the browser ://localhost:8080/helloworld, but unable to access. A 404 error occurred while accessing, the requested resource is not available. You might have used a framework like spring and you migh

In C # WinForm development, this is a more common exception: An invalid thread operation, which is accessed from a thread that is not creating the control "XXX". This anomaly comes from. A limitation of NET2: A worker thread cannot access a control created by a window thread. There are two main solutions, one is to set checkforillegalcrossthreadcalls = False in the window thread, and the other is cumbersome, invoking the Invoke method using a delegate

Indexes are accessed mainly by index lookup, index scan. (1) Index Lookup For index seek in the execution plan, it is useful for finding small amounts of data. corresponding to the random IO, can quickly locate a piece of data. (2) Index Scan For index scan in the execution plan, it is appropriate to scan the entire index for data. The corresponding order Io,io efficiency itself is relatively high. (3) Efficiency comparison Index lookups a

C. In addition to the home page, We are used to hiding the pages in the Web-inf directory. This avoids the direct access to the page under the project directory Pages placed under Web-inf must be forward to access Method Two: In the log on authentication servlet, login success conditions join Request.getsession (). setattribute ("username", username); Add in pages that you do not want to be accessed directly String Username= (String) Session.ge

Symptoms: Tomcat can start normally in eclipse, and access to http://localhost:8080/in the browser is not accessible and is reported as 404 error. Other project pages cannot be accessed at the same time. Close the tomcat inside Eclipse, double-click Startup.bat in the Tomcat installation directory to manually start the Tomcat server. Access htt://localhost:8080/can access the Tomcat administration page normally. symptom causes: Eclipse redirects the T

Recently learned Oracle database with Oracle 10g (version: ORACLE_10G_10.2.0.1_WIN32) installed in a Windows XP SP3 system in a virtual machine.When the installation is complete, use PL/SQL developer to access the Oracle database and discover that only IP address access (192.168.135.90) can be used, but not localhost and 127.0.0.1 access.After research, it is found that this is caused by listener configuration problems.workaround : When configuring listener, use the host name instead of the IP a

online search information, some say that the partition table is bad, and some say that the disk has bad road, according to say all tried the result or not, through Diskgenius, the partition table backup, lest two damage more can't recover, and then search partition, results found partition, but can not save, The result of online search is to save the function Diskgnius need charge, price is not low, about 500 yuan, imagine, I did not do, or find information, rebuild partition, can result the sa

What do I do if the MySQL database does not allow remote access?Here are two ways to do this:1. Table-changing methodMySQL account does not allow remote login, only on localhost. This time, as long as the computer on the localhost, log in to MySQL, the "MySQL" Database in the "User" table "host", from "localhost" renamed "%" can be. #mysql - u root - ppwd // mysql root password #mysql > Span style= "color: #0000ff;" >use MySQL; #mysql > update user set host = " % where user = &q

Tags: ubunt use retrieve password import development family Linux size passIf you use XAMPP in this integrated development environment under Ubuntu, forget the MySQL password.When there is only remote access, local unreachable, usually host changed to% remote access, local access to one is empty shell. This is a matter of permissionsNeed to fix the% of host change to localhostor delete the user table and re-import one to access it normallyNote: The newly installed xampp mysql initial password is

Semaphore control the number of concurrently accessed threads Countdownlatch wait for multiple threads to execute their thread before executingSemaphore control the number of concurrently accessed threads Countdownlatch wait for multiple threads to execute their thread before executingSemaphore control the number of concurrently accessed threads Countdownlatch wa

Highlights of solutions that cannot be accessed in LAN Windows XP is installed on the LAN and cannot be accessed from Windows 98. Windows XP and Windows XP cannot communicate with each other. When the workstation accesses the server, the server name can be seen in the workstation's "Network Neighbor", but no shared content can be seen after clicking it, or the system prompts that no network path or access p

Recently, we are developing ArcGIS Server Js. The js api is deployed on the local machine and accessed by the machine name. The access code is as follows. Myserver is the machine name of the local machine, and the program runs normally after work on Friday. When I came to work on Monday, the error "dojo undefined" occurred !! Enter the URL in the browser: http: // myserver/arcgis_js_api/library/2.1/ArcGIS /? V = 2.1 can access API resource

According to the media report in February 10, accessing Web servers is a "homework" that many LAN users often do. During frequent access, many friends have accumulated some Web server access experience, these experiences often help them quickly solve some small faults that cannot be accessed. However, the failure caused by the failure to access Web servers in this article is quite special. If you do not analyze it carefully and solve the fault simply