ora-12638: Identity retrieval failed. With Sql:select * from T@zjdtdblink. Workaround:
Look at the Dtdblink data link in the Dbastudio, not active. Look at the domain server. The problem is resolved after restarting the domain server. Check online
A comparison of circuit switching, message exchange and packet switching
1. Circuit Exchange
Public telephone Network (PSTN) and mobile network (including GSM and CDMA network) are used in circuit switching technology, its basic feature is the use
STEP 1: The process of connecting locally to your remote Web server
1.1) process of domain name resolution
The basic way the Web works----from entering the domain name in the browser to the user seeing the page content. First, the client (that is,
Description:Install SQL SERVER 2012, install TFS 2013, configure TFS, roll up your sleeves, get ready to gosteps:1. Open Hyper-V Manager, refer to [Hyper-V] to create a new virtual machine using the operating system template, first complete the
A few days ago, I got a shell from the station, windows2000 system. The Elevation of Privilege was successful, 3389 was not enabled, and 3389 was opened. After the server was restarted, lcx forwarded and 3389 logged on.
After entering the server, we
Currently, Windows SERVER is one of the most popular SERVER operating systems, but it is not easy to securely Configure Microsoft's operating system. This article attempts to preliminarily discuss the security configuration of Windows SERVER.
1.
JavaScript is a front-end dynamic scripting technique that is often used in web development. In JavaScript, there is a very important security restriction called "Same-origin policy" (same-origin strategy). This strategy is an important restriction
Final Solution-Security Configuration of Windows2000 Server-Linux Enterprise Application-Linux server application information. The following is a detailed description. Currently, WIN2000 SERVER is one of the most popular SERVER operating systems,
Implementation Method:1. The company's computer automatically obtains a fixed ip address on the DHCP server based on the mac address. The dns points to the company's dns server, and the dns server can forward dns queries.2. the dns server and the
0 × 01.1 Domain Name System)
DNSDomain Name SystemDomain Name System Maps domain names and IP addresses in the form of a distributed database. The DNS protocol is the domain name resolution protocol. Simply put, DNS is used to resolve domain names.
This chapter blog describes how Windows Server 2012 captures the primary domain control role and removes the domain control method. According to the different operating environment, the operation methods are summarized and summarized.Here are 2
Asynchronous JavaScript and XML (Ajax ) are key technologies that drive a new generation of Web sites (popular terminology for Web 2.0 sites). Ajax allows data retrieval in the background without disturbing the display and behavior of the WEB
I visited many forums and joined many QQ groups. I found many friends always like to talk about intrusion, attacks, and other topics. Haha ...... I just want to ask these friends-is your computer safe? Are you safe (really doubtful )?
Friend! You
Author: Jeffrey
Introduction
HTTP is an object-oriented protocol at the application layer. It is applicable to distributed hypermedia information systems due to its simple and fast method. It proposed in 1990 that, after several years of use and
When talking about the configuration of the PHP environment, many new PHP beginners feel that the Environment configuration is very cumbersome when they first learn it. In fact, as long as they follow the manual step by step, there will be no major
JavaScript is a front-end dynamic scripting technique that is often used in web development. In JavaScript, there is a very important security restriction called "Same-origin policy" (same-origin strategy). This strategy is an important restriction
Linux Red hat 5 DNS server (I) domain name cache server, hatdnsDetailed setup of multiple experiments on Linux Red hat 5 DNS server
Required software packages:
› Bind-9.3.3-7.el5.i386.rpm
› Provide main programs and related documents
› Bind-utils-
Summary of common operations on Linux system domain servers and summary of linux domain servers
1. domain account a grants administrator permissions to local computer B ---- used to solve problems such as software installation failure caused by
Recently, a project aleis version 2 was organized for development. To effectively manage the design process, we decided to use the version management tool. After comparing wincvs and clearcase lt, we feel that the latter meets the current project
The main features of HTTP protocol can be summarized as follows: 1. Support for customer/Server modes. 2. simple and fast: when a customer requests a service from the server, they only need to send the request method and path. Common Request methods
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