Web Hosting

ESX SERVER VMFS storage Data Recovery Notes



[Data recovery failure description]

Sinopec province branch, information management platform, several ESX SERVER share a single IBM DS4100 storage, about 40 to 50 groups of virtual machines, take up 1.8TB space, data important.

Broadband wireless solutions for SMEs




DCWL-3304R is a powerful broadband wireless router, which provides a WAN port supports Ethernet-based broadband access, 4 LAN ports provide wired users, wireless LAN users to provide 802.11b connectivity.The product also supports DHCP Server, PPPOE, MAC address filtering, protocol filtering, DMZ and other firewall features, two-way IP address translation, SNMP network management, and other powerful features.The product can be used as the core network equipment for SMEs, with the switch to lower the AP and other components, and other wired and wireless integration, intelligent and secure modern network.

HP server solutions for the core security protection system




User needs analysis:

With the rapid development of information technology, people enjoy many benefits brought by information technology, while also facing an increasingly prominent issue of information security.For example: the network environment state secrets and protection of trade secrets, online all the powers and responsibilities of actors and interests as the confirmation of a variety of highly networked business (business, government, academic, etc.) information system is running normal and is notdestruction, Internet banking, e-commerce, all kinds of fund management and settlement of payment system true and accurate data protection and management of financial institutions, the system is not fraud, will become the corporate image, business interests, national security and social stability of the focus.

How routers that the local authentication and authorization



Cisco routers support centralized AAA (Authentication / Authorization / Accounting) functions, but the need to deploy a Cisco ACS (Access Control Server), if a small number of network devices, Cisco routers can use the local authentication and authorization functions to achieveauthentication and authorization, and does not require deployment of Cisco ACS. The following is an implementation of telnet to access router r1 the local authentication and authorization examples:

In the SQL Server logins and passwords between instances of transmission



Summary

In moving to a new database server, the user can not log on to the new server.Instead, they will receive the following error message:

Complete Guide to Cabling System Standards



Cabling system standards have much to learn from, here we introduce the factors that affect the bandwidth, temperature effects, including information on Category 6 and Category 5 standards and other aspects, so that everyone on the cabling standards have a more comprehensive understanding.Communication channel bandwidth routing performance is judged one of the most important parameter index, and the bandwidth limited by the size of the impact of environmental factors, of which the most influential factor is the temperature.

Data center cabling system design and construction technology - the wiring network structure



Data Center wiring network cabling system constitutes (MDA, HAD, EDA, ZDA)

According to TIA/EIA-942 standard data center, data center aims to provide services, its main function is to accommodate a computer room and maintenance area, place the core data-processing equipment, is the brains of enterprises, data centersfunctional requirements include:

Teach you five classic ways to cleverly set up the router (3)



Fourth, frequently used commands

1. Help

Operation in the IOS, regardless of any state and location, you can type "?" Get the system for help.

D-Link wireless broadband network solutions for the hotel






1.1 The structure of the building distribution
This project is a 11 storey hotel business hotel, which is 1-2 business lobby and conference center services; three to ten rooms for the business layer; in the hotel building design stage, not taking into account the broadband datanetwork design, with the advent of broadband information age, and proposed the concept of smart business hotel, business travel and in order to stay at the hotel can feel the intelligence services of information technology to improve the hotel's service quality, it will be built within the hotelbroadband service network.

SQL Server2000 how to restore the damaged database file



SQL Server2000, if the database file (non-system database files) encounters an error, we how to do.The following is the author of the previous notes.Applies only to non-master, msdb database.

In-depth explanation of the new version of SQL Server 2008 CTP features



SQL Server 2008 CTP Installation

First, you must pay attention to in order to install Microsoft SQL Server 2008 July CTP, your machine can not be installed on SQL Server 2000.And SQL Server 2005 installation process compared to, Microsoft SQL Server 2008 July CTP installation process will be very normal.Screen will obviously look very simple.If you want to install over a previous CTP version, you must uninstall the previous version.The July CTP will not upgrade a previous version.

SQL Server security planning Raiders



SQL Server 7.0 series to improve the security mechanisms implemented by the process, Microsoft established a flexible and robust security management system that enables the user to access SQL Server and database server system to conduct a comprehensive security management.According to the steps described in this article, you can SQL Server 7.0 (or 2000) to construct a flexible, manageable security policy, and stand the test of its security.

Electrical protection cabling system



Integrated wiring system is the intelligent part of the building, as compared with traditional cabling, as the compatibility of its main features, openness, flexibility, reliability, advanced and economy, both to make voice, data, video equipment, andswitching equipment connected with other information management systems, but also enable these devices with external communication networks.It can be said of intelligent building cabling system as a highway, with this information highway, like, what applications have become very simple.The purpose of the protection of electrical cabling is to reduce the electrical failure of cables and cabling connecting hardware related damage, and also to prevent damage to terminal equipment or devices to ensure the normal operation of the system.

Detailed six cabling system installation



Six cabling system is now commonly used cabling system in the wiring system is also a very important part of why the six cabling system can be such a development, and six types of wiring systems primarily for those people, I believe you will be reading thishave a deeper understanding.

With SRP to establish a secure Linux Telnet server (b)



(8) PAM authentication module PAM library through the certification information to the application.

What is a proxy server



■ What is a proxy server?

Full name of the proxy server is a Proxy Server, its function is the user agent to obtain network information network.The image of that: it is a transit point for network information.In general, we use the web browser to connect to other Internet sites directly to obtain network information, is directly connected to the destination site server, and then by the destination site server to transmit the information back.Proxy server is between the browser and Web server to another server, with it, the browser is not directly to the Web server to retrieve web page but the request to the proxy server, the signal will be sent to the proxy server,by the proxy server to retrieve the information needed by the browser and send to your browser.

China Science and Technology campus network broadband billing system



With the popularity of Internet in China and development of campus network infrastructure has become the focus of the school.Ministry of Education is currently carrying out the "School Link" project, the construction of the campus network can not only improve the school's teaching, research and management environment in which schools and an international network for rapid convergence, will subtly change the way schools and organizations workingstructure, school culture conducive to a genuine talent to keep up with the times.

LAN proxy server, router configuration case



The rapid development of network technology to enable enterprises to share resources of LAN access INTERNET way more and more, For the most part, DDN line with its stable performance, good scalability advantages of a widely used method, DDN wayconnected to the hardware requirements are simple, only needs a router (router), the proxy server (proxy server) can be, but in the system configuration for many in terms of network management is a more difficult problem.Example below to CISCO routers, the author of several relatively successful configuration for the introduction, for peer reference:

How to solve the problem of ADSL router has been blocked



Router was blocking problem is the very large, possibly a lot of people do not know how to crack the block ADSL router solution, does not matter, read this article you must have a lot of harvest, hope this will teach you more.In the long run, there is no particularly good way to break, because network point (network Scouts), South Letter (Nanjing trade winds) are an emerging product, the official also belong to the testing phase, is constantly upgrading its own procedures.Of Jinan, there is no point is the great fortune with a net, and that things are said to BT (noted in the same time the number of connections).

Launched a new wireless router NETGEAR WGR612 54Mbps



Recently, the Global Growth Business network of experts and pioneers Netgear wireless network (NETGEAR) introduced a new wireless router "small white" WGR612, NETGEAR home products continues the classic consumer products, "Platinum Family" design, moreWGR614 inherited the power, so a set of elegant appearance and excellent performance in one of the "little white", just a question City, has attracted the attention of many consumers.

SQL Server 2005 dynamic management objects of five



New features in SQL Server 2005 dynamic management objects, which are returned at the appointed time a database instance specific state information database view or function.These objects allow the database administrator or developer of database server for efficient monitoring.Dynamic management objects replace the previous version of SQL Server systems in many forms, but also for database administrators to provide more observational approaches.

Aikesaier (Axelwave) wireless broadband video conferencing system



Aikesaier (Axelwave) video conferencing system is a wireless broadband wireless broadband network architecture in a video conference system, with its advanced technology, excellent value for money, greatly reduce the communication cost and improve office efficiency, will graduallyvarious industries play an important role.

SQL Server 2005 to implement the prime number calculation



I will present a challenge, who presented with SQLSEERVER the best way to calculate prime numbers, I used a new feature CTE and some TSQL to achieve, but is not ideal, the former (CTE) is limited, while the latter (TSQL) producedprime number with a million of 7 minutes you can do better? Here are some of my code paragraphs

Windows Home Server information disclosure has been disclosed that the price



August 23 message, install Windows Home Server OEM server system leaked product information on the Internet, HP is likely to introduce MediaSmart Home Server server.Price information to the server also appears on some websites, such as PC Mall and onSale.com, etc., information display, 500GB version in the U.S. offer is $ 596, 1TB version of the offer is $ 745.

Teach you how to set up a wireless router in LAN



Believe the use of wireless router wireless router settings users should not be unfamiliar, but also well aware of the specific steps and rules set, a lot of laptops have infrared port, an infrared interface for no LAN / network cable connected to laptop and notebookWhen Hou used.