Informasi Teknologi

Data Recovery First Aid: 3 Tips To Increase Your Chances Of Success

<div style="text-align: justify;">Let's get to the important part first - if you've just lost your data, skip past this introduction and go directly to our first tip, so you can start your rescue operation. If not, a few minutes spent now might help you a lot in the future. Pay special attention to our third tip. I always thought of myself as a reliable guy with reliable data. I never deleted my files accidentally, I made regular backups and had a power supply for my computer to protect me against surges and outages. However last year I experienced two cases of data loss where I needed to use recovery software. The first was a dead hard drive that'd hardly served a year. Subsequently, I accidentally deleted a large project file that was too big for the Recycle Bin. Happily I've got all my data back, thanks to good advice and a little preparation. </div><a name="more"></a>These handy tips will help you stay confident in the face of data loss, no matter how it occurs. Tip #1: Use your system as little as possible until you recover all of your lost files. The more activity taking place on your hard disk, the greater the chance that some of your lost data might be written over. - Don't copy any files to the disk containing your lost data; - Avoid browsing the web, because your web browser saves cache files on the disk; - Don't launch any unnecessary programs, because they can also use your disk; - Don't restart your computer. Tip #2: Before you go further, take steps to free up some space on the disk containing your lost files. The more free space your system has, the less chance of overwriting any lost files with new ones. You can do one or more of the following things. - Delete old files that you don't need anymore (you can also move them to another source, like a USB flash drive, instead of deleting); - Empty your Recycle Bin - making sure that you haven't put any important files in there by mistake; - Empty your browser cache. For Internet Explorer, click on the "Tools" menu, then select "Internet Options". Then, on the "General" tab, click the "Delete Files..." button. Tip #3: To install any software after data damage increases the risk of your data being overwritten, so if you haven't had any data problems yet, consider installing a data recovery program just in case. Prevention is always better than cure, and a recovery program is good insurance for your data. However, if you don't yet have a recovery program, find one and - if possible - avoid installing it to the disk where your lost files are located. Most recovery programs work fairly similarly. You need to select the disk where the lost files are located, let the program analyze the content of the disk - this can take a while - and then select the file you want to recover. Then, provide a location where you want to save that file. You should try to avoid recovering files to the same disk. You could use another hard drive, a network or removable media like a floppy disk or USB flash drive. After you recover your files, check that they are correct. If you've recovered applications, check that they still run, or if you've recovered documents, check that your words are still there. Even the best recovery software can't guarantee 100% results. If some parts of your files were overwritten - meaning that other data was saved to their location on your disk - after recovery they might contain invalid information. Depending on the type of file involved, partially recovered files like this can be mended by special utilities.

Data Recovery First Aid: 3 Tips To Increase Your Chances Of Success

Let's get to the important part first - if you've just lost your data, skip past this introduction and go directly to our first tip,...

6:43 PM

Data Recovery Procedures For Hard Drives

<div style="text-align: justify;">Your computer’s data is at risk. Whether you use a Mac or a PC, viruses, power surges, hackers, human error, natural disasters, hardware failures, and more are real everyday threats. To keep your data safe and sound, you will first need to back up your files on a regular basis. Secondly, when hard drive failure does occur, data recovery is the only solution. Of course it is ideal to back up data and avoid the complicated process that is data recovery altogether, but even when you take the necessary steps to prepare for hard drive damage, you might run into problems. </div><a name="more"></a>Here are some procedures to follow if you experience trouble. If a program is not functioning well on your computer, turn the computer off! This may seem a simple task, but shutting down a computer at the moment you notice your hard drive to be working overtime – perhaps you hear unusual sounds (like “cleaning”) – can prevent damage to the disk and data loss. If you let a failed hard drive run, it will eventually self-destruct. Damage to your disk is inevitable in this scenario. If this is the case, unless you know exactly what you’re doing, don’t fix your computer yourself. Professional expertise is not a luxury in this situation – it is a must. Data recovery is a difficult and sensitive process requiring special tools and a clean environment. Not only will it be tremendously challenging to repair a hard drive on your own, but you might actually make matters worse and ensure irreversible data loss. There is “do-it-yourself” data recovery software, but be cautious of things like this. With most computer problems of this nature, at-home instructions can be more dangerous than useful. Even if a company boasts that its products and instructions will handle your vulnerable data properly, it is important to be a skeptical consumer. A local service provider is the average solution. Repair can happen on your own premises and you can be assured that your computer is in good hands. However, there is always the possibility that your hard drive is beyond repair – even for expert technicians – so be prepared to buy a new hard drive altogether; data recovery may not be an option any more.

Data Recovery Procedures For Hard Drives

Your computer’s data is at risk. Whether you use a Mac or a PC, viruses, power surges, hackers, human error, natural disasters, hardware fai...

6:42 PM

Data Recovery Services: What To Do When Your Hard Drive Fails

<div style="text-align: justify;"></div><div style="font-family: Arial,Helvetica,sans-serif; text-align: justify;">According to most people, there are two types of hard drives: those that have failed and those that will fail. But for folks who use Data Recovery Services, there is a third type of hard drive: one that does not fail. A hard drive is the most vulnerable part of a computer; it has moving gears and is hence prone to wear and tear. So when you need hard disk data recovery, you must deeply consider the service and practice of the various repair companies in your area. A company that has been around the block more than a few times is ideal. <a name="more"></a>But more importantly, experts that ask questions and appreciate your situation are a necessity; companies that approach your needs in an impersonal way simply cannot diagnose your computer problems properly. For example, an expert who is on hand to ask specific questions about your hard disk will know whether or not to go about repair with mere software or through more professional means. There are a variety of problems that lead to hard drive failure. If the hard drive is part of a mirror set, mirrored stripe set, or stripe set with uniformity, then all you will need to do is replace the drive – any lost data will mechanically regenerate. A local service company can handle all your concerns though. Fixing a hard drive yourself is a tedious process, requiring lots of time and even research. Your next-door neighbor might be a computer geek, but that doesn’t mean his or her advice is remotely accurate. After all, a computer can fail for many different reasons and they are not always easy to pinpoint. The ideal solution is usually to replace a failed drive and re-establish your backup. This does not always work though, as many people find the necessary backup is outdated or sometimes, non-existent. If a hard drive is beyond repair, data recovery is obviously not an option. So prepare for unexpected charges; you might have to buy a whole new drive. In this case, just be careful when replacing it, as you don’t want to lose your data. </div><div style="font-family: Arial,Helvetica,sans-serif; text-align: justify;"></div>

Data Recovery Services: What To Do When Your Hard Drive Fails

According to most people, there are two types of hard drives: those that have failed and those that will fail. But for folks who use Data Re...

6:41 PM

Data Recovery Software: Your Options for Successfully Recovering Disks, Files and Data

<div style="text-align: justify;">Today's computers are much more reliable in general than the older generations. Modern hard drives fail less frequently, and they warn you well in advance about upcoming failures with the recently adopted SMART monitoring. Modern hard disks have greater storage capacities than their predecessors. Retaining the same physical size, they feature a much higher storage density, allowing storing more files on the same space of their surface. And hence the big problem: if your hard drive fails, you have a lot to lose. Much more than you would just a few years ago, with much less chances to get your data back without precision tools and clean labs.  </div><a name="more"></a>While there's little you can do about a physically damaged hard drive except send it to a dedicated data recovery service, there's still hope if hard drive failure didn't cause it to stop spinning. Even if your disk is not accessible from Windows you can still access it with dedicated data recovery tools such as The Undelete NTFS Partition Recovery http://the-undelete.com/ntfs_partition_recovery.php or other FAT and NTFS partition recovery tools such as http://www.softinstitute.com/partition-recovery.html These tools used by non-professionals can often recover damaged partitions and restore the hard drive to its original condition. Is it safe to use the same drive after it failed once? Maybe, depending on the reason of the failure. If data corruption occurred because of a system crash or a power failure, your hard drive is probably unaffected and should be used without a trouble. If a badly written application caused system instability and data corruption, it's not your drive's fault, and you should not be concerned about its reliability. If, however, the instability was caused by the hard drive failure, exercise extreme caution. Have a look at the drive's SMART logs accessible from Windows Administrative Tools, save your data onto another disk and replace the faulty one. And remember, even if your hard drive is completely inaccessible, you still have a strong chance of getting your data back with data recovery tools from http://the-undelete.com/

Data Recovery Software: Your Options for Successfully Recovering Disks, Files and Data

Today's computers are much more reliable in general than the older generations. Modern hard drives fail less frequently, and they warn y...

6:40 PM

Data Recovery Tips

<div style="text-align: justify;">Data recovery becomes necessary when your hard drive, memory card or USB flash card fail, and you have no backup available. This article gives an idea on the necessary steps and precautions during the data recovery process. Before attempting the recovery, you must be aware that the data cannot always be retrieved. In case of a physical failure of a hard disk such as the infamous "click of death" situation, you won't be able to do much good to the hard drive except bring it to the recovery experts. Modern hard drives, however, are complex yet reliable pieces of electronics. They rarely fail for no reason, at least on a physical level. </div><a name="more"></a>Logical corruption prevails with the complex operating systems, buggy software, malicious or careless acts of the end-users, malware and viruses. Power failures and computer hardware malfunctions also account for many cases of corrupted hard drives and lost data. The logical corruption can be dealt with at home. Provided that you have the right data recovery tools, you'll be able to do it yourself without any special skills. Be aware that the data recovery process is a lengthy one. You'll need plenty of time and enough space on a working, non-corrupted hard disk to facilitate the recovery. Before you begin, make sure that you restrict any write operations onto the damaged disk. If you don't have data recovery already installed on your computer, don't save or install the data recovery product onto the corrupted drive. Instead, use a different drive letter, a flash memory card or a USB drive. Even a flash card from your digital camera can be able to store the data recovery tool! The choice of a proper data recovery tool is a very important one. If you have no previous experience in recovering data, choose one that offers maximum level of automation for an inexperienced uses. It's a good idea to make sure that the tool you pick allows saving a copy of the damaged disk onto a healthy one in order to work on a backup copy instead of operating the live disk. Mareew Data Recovery by http://mareew.com is a good choice for the inexperienced user. Further data recovery steps depend on the data recovery software that you choose for the job. If you settle with Mareew Data Recovery, there's not much to talk about. Mareew Data Recovery can optionally create a backup copy of the damaged disk (I highly recommend that you do so), and performs all recovery operations on the copy instead of the original. If something goes wrong, you still have the source hard disk in its original condition; just make another copy and try again. The data recovery process is pretty straightforward with Mareew Data Recovery. You get a step-by-step wizard that guides you through the recovery process. Even if you don't read the prompts except the choice of the damaged disk if you have more than one in your system, and simply click the 'Next' button several times, you will be able to recover the damaged disk! Mareew Data Recovery is able to fix the most complex issues with modern hard disks. Corrupted file systems, bad partition tables, FAT or NTFS failures are not a problem. Most importantly, Mareew Data Recovery values your data more than the integrity of the system structures. You'll have a chance to save your documents, digital pictures and archives from the damaged drive before attempting the recovery. All in all, a highly recommended tool. Try it free at <a>http://mareew.com/data_recovery/data_recovery.php</a>

Data Recovery Tips

Data recovery becomes necessary when your hard drive, memory card or USB flash card fail, and you have no backup available. This article giv...

6:38 PM

What Is An Intranet? Definition and Uses...

<div style="text-align: justify;">An intranet is basically a private web based network. It uses all of the technology of the internet but is safe and protected behind a firewall that keeps unauthorized personnel out. Companies have been using them for years as a method of streamlining their internal communications. Because a web browser can run on any type of computer, the need to maintain multiple paper copies of documents that are constantly changing can be eliminated. Documents like training manuals, internal phone books, procedure manuals, benefits information, employee handbooks, requisition forms, etc. can be maintained as electronic documents and updated at almost no cost. The savings in paper and other material costs can be significant </div><a name="more"></a>But the most powerful aspect of an intranet is its ability to display information in the same format to every computer being used. That allows all of the different software and databases a company uses to be available to all employees without any special equipment or software being installed on their systems. This universal availability of information is sparking an era of collaboration unlike anything ever seen before. The departmental barriers that exist in many companies are slowing breaking down because now colleagues can share information readily using the company intranet. Options for implementing an intranet There are a variety of options for setting up an intranet. They include building your own intranet technology, purchasing and installing third-party software, or purchasing access through an extranet ASP. Here is a quick summary of the advantages and disadvantages of each approach: 1. Building it yourself Advantages: Complete control of user interface design; ability to customize level of functionality; integration into internal systems, and direct access to user activity. Disadvantages: High up-front development cost; requires staff expertise in the development of extranets, commitment of internal staff for 6 months to a year for planning, execution, review and implementation; and an ongoing commitment of internal staff for internal and client support, hosting, maintenance and upgrades. 2. Purchasing/installing third-party software Advantages: Proven track-record of packaged solution; ability to choose functions and to customize user interface, more rapid implementation compared to building it yourself. Disadvantages: High up-front purchase cost; commitment of internal staff for customization and implementation; on-going commitment of internal staff for internal and client support, hosting, maintenance and upgrades; and extensive internal and client training 3. Using a Service Provider (ASP) Advantages: Proven track-record of the application; low cost of entry and predictable cost over time; virtually immediate implementation; no commitment of internal staff for internal support, hosting, or maintenance; and upgrades at no cost by extranet experts, and savings on internal server use. Disadvantages: Less freedom in user interface design, and fixed functionality. In the final analysis… The approach you choose depends on how you work, the technical and financial resources at your disposal, and how rapidly you need to move forward.

What Is An Intranet? Definition and Uses...

An intranet is basically a private web based network. It uses all of the technology of the internet but is safe and protected behind a firew...

9:52 AM

What is search engine gateway?

<div style="text-align: justify;">Navino launched its search engine gateway service recently. For most of the Internet surfers, search engine gateway is a pretty new concept compared with meta search engine or multi search engine. Put it in simple, it is a web service, which can let you search the best information from the best content providers in one website. When we try to find information everyday, most of us might go to Google.com. Yes, it's true. Most of the time, Google works well. But does Google return the best information? I guess you would agree that the search engine's ranking algorithm could only give a good answer, but not the best. Well, you may ask, where can I get the BEST? The best weather information? The best book information? The best price for your favorite mp3 player? The short answer is from the brain, from the hand picked information. Therefore, Navino's editors and their users give out that the best weather website is weather.com, the best book website is amazon.com and the best price information is froogle. </div><a name="more"></a>Besides best hand picked information resources, Navino also provide the search engine gateway technology. Using this technology, you can search all the best website at Navino. All you need to do is to add a unique search name before your searching keywords. For example, if you want to search New York's weather, you can search with ‘weather New York' and you will be forwarded to weather.com with the keyword ‘New York'. If you want to search finance books, you can search with ‘book finance' and you will be forwarded to amazon.com with the keyword ‘finance'. If you want to search the best price for your favorite mp3 player, you can search with ‘price mp3 player' and you will be forwarded to froogle with the keyword ‘mp3 player'. Navino search engine gateway is very convenient for your everyday web surfing. Besides that, Navino also provides its users to customize their own search engine gateway and allows its users to recommend search names for public use.

What is search engine gateway?

Navino launched its search engine gateway service recently. For most of the Internet surfers, search engine gateway is a pretty new concept ...

9:50 AM

Why use URL shorteners?

<div style="text-align: justify;">You must have seen them. Web addresses like http://tinyurl.com/2gj2z3 which, when you click on them, take you to another web page. Why use them? Are there any risks in using them? URL stands for Uniform Resource Locator. It's the posh technical term for a web address. Web addresses normally take the form http://www.somesite.com/somepage.html, which is not too much of a problem. But some site names can get very long, and so can page names. The increased use of database-driven sites mean that URLs can get very long indeed, and most of them is computer gobbledygook. They are impossible to type in, if you are reading them in a print article, and often get corrupted by word-wrapping when they appear in an email or blog posting. </div><a name="more"></a>An URL shortener is a web service that takes a long address that's hard to type, and turns it into a short one. You should use them in articles for print publication, classified ads, emails, blog and forum postings, anywhere there is a danger that the full address may be corrupted, or that someone may need to type the address into a browser manually. But there is a danger in using short URLs that may make people afraid to use them. The short address disguises the real destination. This makes it easy for somebody to post an innocent looking message encouraging people to click on a link that takes them to a site which infects their computer with spyware, or something equally undesirable. Some URL shortening services have tried to address this problem. The most well-known service, TinyURL.com, has an optional preview page that shows you the target address before you go there. But you have to know to type "preview" in front of the address, or visit the site and set it as a permanent option. Those who don't know about this are still vulnerable to deception. A safe URL shortener would not allow the creation of links to undesirable sites. It would also always display a preview page, so the user always sees where the link is taking them before they go there. xaddr.com uses Internet blacklists to prevent its use to disguise sites that are advertised by spam. Its preview page offers a link to McAfee's Site Advisor, which can be used to check the safety of the destination. Next time you need to write a long web address, use an URL shortener. But to encourage confidence that no harm will come from clicking the link, pick a safe one.

Why use URL shorteners?

You must have seen them. Web addresses like http://tinyurl.com/2gj2z3 which, when you click on them, take you to another web page. Why use t...

9:47 AM

Windows Server 2003 Active Directory and Network Infrastructure

<div style="text-align: justify;">It is a hierarchical representation of all the objects and their attributes available on the network. It enables administrators to manage the network resources, i.e., computers, users, printers, shared folders, etc., in an easy way. The logical structure represented by Active Directory consists of forests, trees, domains, organizational units, and individual objects. This structure is completely independent from the physical structure of the network, and allows administrators to manage domains according to the organizational needs without bothering about the physical network structure. </div><a name="more"></a>Following is the description of all logical components of the Active Directory structure: Forest: A forest is the outermost boundary of an Active Directory structure. It is a group of multiple domain trees that share a common schema but do not form a contiguous namespace. It is created when the first Active Directory-based computer is installed on a network. There is at least one forest on a network. The first domain in a forest is called a root domain. It controls the schema and domain naming for the entire forest. It can be separately removed from the forest. Administrators can create multiple forests and then create trust relationships between specific domains in those forests, depending upon the organizational needs. Trees: A hierarchical structure of multiple domains organized in the Active Directory forest is referred to as a tree. It consists of a root domain and several child domains. The first domain created in a tree becomes the root domain. Any domain added to the root domain becomes its child, and the root domain becomes its parent. The parent-child hierarchy continues until the terminal node is reached. All domains in a tree share a common schema, which is defined at the forest level. Depending upon the organizational needs, multiple domain trees can be included in a forest. Domains: A domain is the basic organizational structure of a Windows Server 2003 networking model. It logically organizes the resources on a network and defines a security boundary in Active Directory. The directory may contain more than one domain, and each domain follows its own security policy and trust relationships with other domains. Almost all the organizations having a large network use domain type of networking model to enhance network security and enable administrators to efficiently manage the entire network. Objects: Active Directory stores all network resources in the form of objects in a hierarchical structure of containers and subcontainers, thereby making them easily accessible and manageable. Each object class consists of several attributes. Whenever a new object is created for a particular class, it automatically inherits all attributes from its member class. Although the Windows Server 2003 Active Directory defines its default set of objects, administrators can modify it according to the organizational needs. Organizational Unit (OU): It is the least abstract component of the Windows Server 2003 Active Directory. It works as a container into which resources of a domain can be placed. Its logical structure is similar to an organization's functional structure. It allows creating administrative boundaries in a domain by delegating separate administrative tasks to the administrators on the domain. Administrators can create multiple Organizational Units in the network. They can also create nesting of OUs, which means that other OUs can be created within an OU. In a large complex network, the Active Directory service provides a single point of management for the administrators by placing all the network resources at a single place. It allows administrators to effectively delegate administrative tasks as well as facilitate fast searching of network resources. It is easily scalable, i.e., administrators can add a large number of resources to it without having additional administrative burden. It is accomplished by partitioning the directory database, distributing it across other domains, and establishing trust relationships, thereby providing users with benefits of decentralization, and at the same time, maintaining the centralized administration. The physical network infrastructure of Active Directory is far too simple as compared to its logical structure. The physical components are domain controllers and sites. Domain Controller: A Windows 2003 server on which Active Directory services are installed and run is called a domain controller. A domain controller locally resolves queries for information about objects in its domain. A domain can have multiple domain controllers. Each domain controller in a domain follows the multimaster model by having a complete replica of the domain's directory partition. In this model, every domain controller holds a master copy of its directory partition. Administrators can use any of the domain controllers to modify the Active Directory database. The changes performed by the administrators are automatically replicated to other domain controllers in the domain. However, there are some operations that do not follow the multimaster model. Active Directory handles these operations and assigns them to a single domain controller to be accomplished. Such a domain controller is referred to as operations master. The operations master performs several roles, which can be forest-wide as well as domain-wide. Forest-wide roles: There are two types of forest-wide roles: Schema Master and Domain Naming Master. The Schema Master is responsible for maintaining the schema and distributing it to the entire forest. The Domain Naming Master is responsible for maintaining the integrity of the forest by recording additions of domains to and deletions of domains from the forest. When new domains are to be added to a forest, the Domain Naming Master role is queried. In the absence of this role, new domains cannot be added. Domain-wide roles: There are three types of domain-wide roles: RID Master, PDC Emulator, and Infrastructure Master. RID Master: The RID Master is one of the operations master roles that exist in each domain in a forest. It controls the sequence number for the domain controllers within a domain. It provides a unique sequence of RIDs to each domain controller in a domain. When a domain controller creates a new object, the object is assigned a unique security ID consisting of a combination of a domain SID and a RID. The domain SID is a constant ID, whereas the RID is assigned to each object by the domain controller. The domain controller receives the RIDs from the RID Master. When the domain controller has used all the RIDs provided by the RID Master, it requests the RID Master to issue more RIDs for creating additional objects within the domain. When a domain controller exhausts its pool of RIDs, and the RID Master is unavailable, any new object in the domain cannot be created. PDC Emulator: The PDC emulator is one of the five operations master roles in Active Directory. It is used in a domain containing non-Active Directory computers. It processes the password changes from both users and computers, replicates those updates to backup domain controllers, and runs the Domain Master browser. When a domain user requests a domain controller for authentication, and the domain controller is unable to authenticate the user due to bad password, the request is forwarded to the PDC emulator. The PDC emulator then verifies the password, and if it finds the updated entry for the requested password, it authenticates the request. Infrastructure Master: The Infrastructure Master role is one of the Operations Master roles in Active Directory. It functions at the domain level and exists in each domain in the forest. It maintains all inter-domain object references by updating references from the objects in its domain to the objects in other domains. It performs a very important role in a multiple domain environment. It compares its data with that of a Global Catalog, which always has up-to-date information about the objects of all domains. When the Infrastructure Master finds data that is obsolete, it requests the global catalog for its updated version. If the updated data is available in the global catalog, the Infrastructure Master extracts and replicates the updated data to all the other domain controllers in the domain. Domain controllers can also be assigned the role of a Global Catalog server. A Global Catalog is a special Active Directory database that stores a full replica of the directory for its host domain and the partial replica of the directories of other domains in a forest. It is created by default on the initial domain controller in the forest. It performs the following primary functions regarding logon capabilities and queries within Active Directory: It enables network logon by providing universal group membership information to a domain controller when a logon request is initiated. It enables finding directory information about all the domains in an Active Directory forest. A Global Catalog is required to log on to a network within a multidomain environment. By providing universal group membership information, it greatly improves the response time for queries. In its absence, a user will be allowed to log on only to his local domain if his user account is external to the local domain. Site: A site is a group of domain controllers that exist on different IP subnets and are connected via a fast and reliable network connection. A network may contain multiple sites connected by a WAN link. Sites are used to control replication traffic, which may occur within a site or between sites. Replication within a site is referred to as intrasite replication, and that between sites is referred to as intersite replication. Since all domain controllers within a site are generally connected by a fast LAN connection, the intrasite replication is always in uncompressed form. Any changes made in the domain are quickly replicated to the other domain controllers. Since sites are connected to each other via a WAN connection, the intersite replication always occurs in compressed form. Therefore, it is slower than the intrasite replication.

Windows Server 2003 Active Directory and Network Infrastructure

It is a hierarchical representation of all the objects and their attributes available on the network. It enables administrators to manage th...

9:45 AM