Posts Tagged ‘several thousand’
November 4th, 2009 | 
Author: You Have 50GB Of Data To Move Along With Permissions Security
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This article is about several tools that can save a Windows administrators you know what in the event of a large scale permissions security problem.
Here is a fictional scenario we can use to illustrate the use of the XCACLS tool. We need to move or copy 50GB worth of data that is comprised of several thousand directories containing hundreds of thousands of small files from one storage system to another. These systems happen to part of a Windows 2000 Domain and permissions are quite granular in definition. We start the replication of that data using a favorite replication or synchronization tool and walk away for the evening. When we return the next day, everything has copied and all looks well. That is until you try to access the data.
The Data Is Copied, But I Cannot Access It: Permissions Security Problem
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What you did not know, until just now, is that the root directory of the drive that you copied the data to had the wrong permissions assigned to it. In addition, inheritance was configured such that any data that is placed on the drive is over written with the permissions of the root directory. In this case, it was an old account that no longer existed. Believe it or not, that can happen, and system administrators will know what I am talking about. Now you are left with trying to figure out what to do. Do I format the new drive, change the permissions and inheritance on the root directory so they are correct and start all over again? Do I make the changes on the root drive so they have the correct permissions and wait hours upon hours for the permissions to propagate? No, there is another, very fast way of resolving this issue with XCACLS or another tool called SUBINACL.
XCALCS Quickly Resets Permissions On Directories And Files
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Becasue I have limited space in this article, I am going to use XCACLS as the tool to correct this problem. However, in complex permissions structures, you will most likely want to use SUBINACL to fix the issue. I will talk about SUBINACL briefly at the end of the article.
XCACLS as a very fast tool that can set, remove, add, and change permissions on files and directories. For intance, the following command replaces all existing access rights and accounts with that of “dmiller” on the file “file.txt” with read-only access: “xcalcs file.txt /Y /T /G domain\dmiller:r”. Although that is pretty easy and helpful, what about changing all my directories and files, which I have thousands of, to allow the domain\dmiller account to have full access? To do this in a very fast fashion you could execute the following from the root directory of the drive: “for /d %g IN (*.*) DO xcacls “%g” /Y /T /G domain\dmiller:f”. This will go through every directory, subdirectory, and file and replace the current permissions with dmiller having full access to the object. You’ll notice I put “” around the %g in the example. This is not required, but if you have directories that have names with spaces in them you will need to have the “”.
What Other Ways Can I Use XCACLS To Change Security Permissions
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To give you a few additional handy examples of how you can use this tool take a look at the follow command prompt methods for replacing, updating and removing accounts and permissions from large numbers of directories and files.
The following command replaces all existing access rights an accounts with that of dmiller with read only access rights:
for /d %g IN (*.*) DO xcacls “%g” /Y /T /G domain\dmiller:r
The following command does not replace existing account permissions, instead, it adds the account, in the example the local admin account, with read only permissions:
for /d %g IN (*.*) DO xcacls “%g” /Y /E /T /G administrator:r
The following command removes the account “administrator” permissions from all directories, files, and subdirectories: for /d %g IN (*.*) DO xcacls “%g” /Y /E /T /R administrator
This command should update all the directories and their contents to allow Domain Admins full access:
for /d %g IN (*.*) DO xcacls “%g” /Y /T /G “Domain Admins:f”
I did a test on my XP Pro workstation and was able to change the permissions on approximately 10000 directories and files in less 1 minute. On one of my servers I was able to achieve a 500% increase in speed. It is blazingly fast.
SUBINACL Is More Complex But Man Can It Really Save The Day
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I cannot go into specifics about this tool in this article but I will tell you what it can do. And again, it does it very very fast. Using the same scenario as above, let’s say that you had to fix the permissions on thousands of home directories. With SUBINACL, you can actually go to the original directories and files, use the tool to create what is called a “play file”, a text file that contains the right account and permissions from the source files, then use that same file to tell SUBINACL to fix the permissions on the target storage system, the one with the screwed up permissions. It’s quite the life saver if you ever find yourself in the type of predicament.
Also check out “CACLS”. This command is inherent to Windows XP Professional.
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Article Source: XCACLS, SUNINACL, & other Permissions Security Recovery about several Toolss
Conceived no earlier than the last decade, the website development industry is among the most lucrative industries in the world. Website development refers to the processes and activities involve in the development of web sites. Website development includes e-commerce businesses, web content development, optimization and web server configuration. Website development is the fastest growing industry in the world. A decade ago, there are but a number of website development companies in the United States, now there are thousands from every country/ continent. The expected annual growth of this industry is more or less 20%.
Growth of the website development industry can be accounted to increasing demand and interest of large and small businesses to effectively sell their products and services to customers, as well as, to automate business, thereby reducing avenue for human errors. In the desire of businesses to gain as much profit as possible, they set up websites to better engage buyers to their products and services. Websites are the quickest avenue to disseminate and gain information. Furthermore, website development growth can also be attributed to the marked decrease in the cost of web site development and hosting. From cost reaching to about several thousand US dollars, one can now develop websites for less than a thousand dollars, depending on its features and complexity. Of course, the more application and features the more toilsome and more expensive.
There has also been marked increase in smaller web site development companies that caters to the needs of small enterprises and individuals. Another factor that affected the website development industry is the proliferation of various website development tools and platforms that can be accessed online for free. The free systems include Linux, Apache, MySQL and PHP. Such factor also contributed the increasing number of people worldwide setting up there new Web sites daily. There has been a rise of user-friendly website development software particularly WebDev, Adobe Dreamweaver or Microsoft Expression. Such software will enable people to set up websites in a matter of minutes.
Website development will become more impressive and state-of-the-art in the future. Upcoming website development tools will use LAMP and Microsoft.NET technologies that will run applications faster and most effectively. Such innovations will enable the web developers to deliver applications and web services that were traditionally reserved to the desk based computers.
Innovations in website development also brought about changes in communication and commerce. There is a resurgence of e-commerce which refers to the purchasing and selling of products using electronic systems like the internet or other computer networks. Amazon.com and eBay have altered the manner in which consumers buy their goods. Another innovation brought about by website development is the blog. Blog is the IN thing for individuals now. Blogging provides an avenue to express thought and emotions. Web applications like wordpress have made blog-making quite easy.
Don Varner
www.WebsiteDevelopment.org
Article Source: Website development Industry
Carbonite vs Mozy Home is the ultimate match-up between two of the leading online backup services available today. In this day in age where data loss, virus attacks, computer crashes, and theft are too common, it’s imperative computer files are backed up regularly and that’s where these two providers come into play.
So why only compare Carbonite vs Mozy Home? The answer is easy. These are the two most popular and widely used online backup services for home users right now. They dominate this market because they both are easy to use and very inexpensive. The real question is, which one is best? Let’s take a look at some of the most important areas to evaluate when it comes to online backup and see how these two providers compare.
Cost & Storage Capacity
The amount of data you can backup online and the cost of doing so are probably the two areas of concern that come to mind immediately for home users contemplating which backup provider to choose. Both Carbonite and Mozy Home offer unlimited backup. It doesn’t matter if you have a few files to backup or several thousand, you won’t have anything to worry about with either provider. Carbonite offers one, two, and three year subscriptions. The one year subscription costs $54.95. Mozy Home offers a month-to-month plan and one and two year subscriptions. Their month-to-month plan costs $4.95/month while their one year subscriptions are $54.45.
Ease of Use
Both providers promise their services are easy to use and that the backup process when using their services is literally “set and forget.” According to most users of both services, Carbonite and Mozy Home deliver on those promises. There is one common complaint, however, for both providers and that is the time it takes for the initial backup. It’s important to point out that this isn’t the fault of either service provider. The time it takes for the initial backup is totally dependent on amount of the data that needs to be backed up and the speed of your Internet connection. If you have 30GB of data that needs to be backed up initially it will take roughly the same amount of time using either one of these providers because of the constraints of upload speeds of most Internet connections.
While the match up in this area seems to be even, Carbonite takes the slight edge over Mozy Home according to users because of its simple interface. Mozy Home has more advanced settings within its interface which may satisfy computer geeks but it seems to be overwhelming for some home users.
Backup Process and Security
Carbonite and Mozy Home both allow automatic or scheduled backups so that you can just install the software, run the initial backup and select your backup settings (automatic or scheduled), and then just literally forget about it. As for security, both of these online backup service providers use advanced technology to ensure that your files are encrypted on your computer before they are uploaded to their secured servers. Both services keep your files encrypted while being stored on their servers.
Restoring Files
Carbonite uses a standard process for restoring files which is activated simply by using the restore function in the software’s desktop interface. With Mozy Home, you can restore your files using one of three methods: desktop interface restore, web restore, and DVD restore. It is also important to note that with both Carbonite and Mozy Home, restoring a large set of data and files can take a while so if you have 30GB of data to restore, don’t expect to have it back on your computer within a few hours. Instead, it can take a few days.
Customer Support
In this category, users of both services say their is need for improvement. There have been comments from users of both providers that support can be slow at responding to customer queries and that the information they are given isn’t complete and thorough. Overall, Carbonite has the edge because it offers phone, live chat, and email support. Mozy Home only offers live chat and email support.
Carbonite vs Mozy Home Summary
Judging from the above feature-for-feature match up, Carbonite and Mozy Home are virtually identical in price and features so it’s difficult to declare an absolute winner. Neither one is perfect but you shouldn’t expect that when you’re getting unlimited online storage for less than $5/month. For every customer that swears by Carbonite, there is one that swears by Mozy Home. The match up is virtually dead even.
The best thing to do is to try both services to see which one works best for you and to decide which one you like the best. Both services are incredibly cheap and easy to test. Carbonite backup offers a free 15-day trial and Mozy Home has a month-to-month option that only costs $4.95/month. Take them both for a test drive and see for yourself which one is the winner!
Read the full Carbonite vs Mozy Home comparison and review and see which one is declared the “Editor’s Choice” by the editor of the website, best online storage.
Article Source: Carbonite vs Mozy Home: Which Service Holds the Edge for Online Backup?
Much has changed in technology in just the last few years and that includes the ways in which Internet service is offered. While Internet service is a standard service throughout much of the world, there are still many locations where the only option available is dial-up. Satellite Internet has now provided a much faster alternative for those that live in rural areas where DSL service is not available as well as for those who would simply like to consolidate all of their services.
If you have heard of satellite Internet service, but you are not sure how it works, it is a good idea to find out because it could be just the solution you are looking for. Satellite Internet service is made possible through fixed position satellites known as geostationary satellites. Microwaves are beamed from these satellites several thousand miles above the equator of the Earth directly to a satellite dish antenna and also a transceiver.
As most people who are accustomed to using dial-up are aware, trying to surf the Internet can be extremely slow and as a result, frustrating. Downloading music and pictures can be next to impossible at times and sluggish at the best of times. Satellite Internet offers a solution for those users who desire the speed and convenience of high speed Internet but who are not able to take advantage of it because of where they live. Satellite Internet is a viable alternative to both DSL as well as cable. Both DSL as well as cable require a connection that is land-based.
This means that the connection is delivered via a wire that is run underground. This is precisely why it is impossible for many people in secluded locations to take advantage of cable and DSL; the infrastructure is simply not available. Despite the fact that you may live in a rural area, Internet is still an important service. It can actually be even more important when you live in a secluded area because it provides an easy and convenient way to keep in touch with family in other locations.
Satellite Internet does not encounter these types of problems because of the very fact that it is delivered through the air and not through traditional land-based lines. As a result, even residents that live in the most remote areas of the world can take advantage of satellite Internet service to keep in touch with friends and family members and even to run businesses.
There are also many advantages presented by satellite Internet to those individuals who do have a choice between satellite, DSL and cable. The connection of satellite Internet is extremely fast, allowing for rapid downloads of even large items such as music and pictures. In addition, the uptime is also much stronger. The uptime rate of satellite Internet is about 90%. These two reasons alone are precisely why many people today are making the choice to move from land-based Internet connections to the more reliable and faster satellite Internet connection.
If you are tired of dial-up internet service, HughesNet can help. Offering speeds up to 50x faster than dial-up, HughesNet is the solution to slow download times. Service is available throughout the lower 48 states. With free standard installation, getting Hughes internet is easy and affordable.
Article Source: Satellite Internet is Gaining Ground on Land Based Connections
Why do the organizations need a tool like LoadRunner:
When a multi-user enterprise application is being deployed, no organization can think of taking risk of failure or inefficient performance thereby affecting the enterprise wide efficiency on one hand and damaging its reputation on the other.
LoadRunner is a well-known performance verification & validation tool designed for making accurate predictions of the actual performance and behavior of the application, thereby increasing our confidence in the reliability of the new system before it gets actually deployed.
LoadRunner is a performance validation tool especially created to readily provide answer to questions like:
1) Whether my application is able to handle the expected user load and more?
2) Whether my application is able to handle the number of transactions required by the business?
3) Whether my application is amply stable under expected and unexpected user loads?
Modus operandi of LoadRunner:
In real world scenario, it is not possible to create situation involving say one thousand users using a system simultaneously so as to test the behavior of the system under such stressful conditions. LoadRunner can create such a situation.
LoadRunner artificially simulates several thousand users (which are called Virtual Users). These artificial / digitally created users are simultaneously forced to operate on the same task, thereby loading the system in a way it is expected to be loaded by real human users in actual practice.
With LoadRunner we can simulate situation with hundreds or thousands of artificial users & we can impose definite, consistent and repeatable loads on the system thereby stressing it from end-to-end. This way we can emulate several business processes & production conditions, which a deployed application is going to encounter.
Major components of LoadRunner:
Load Runner has following three major components for building and running the tests.
1) Virtual user generator (VuGen): For capturing the end-user business processes into automated scripts.
2) Controller: For organizing, driving, managing and monitoring the load.
3) Analysis: The analysis engine for viewing, analyzing / interpreting and comparing the results.
Key Benefits of LoadRunner:
1) Increase in confidence level related to performance of the new system.
2) Decreased risk of failure of the new Multi-user system under heavy loads.
3) Provides an absolutely clear view of end-to-end performance of the system before it goes live.
4) Verifies & confirms that the new application meets all the specified requirements related to performance.
5) Verifies & reduces problems during the product development lifecycle.
6) Greatly simplified process of script making at the user-interface level due to the use of Visual Scripting Language and ActiveScreen technology.
7) Ease of analysis due to AutoCorrelation wizard which automatically digests all the monitoring and diagnostics data and calculates the top five causes of performance degradation.
Easily integrates with latest J2EE, Microsoft Visual Studio and Microsoft .NET environments.
9) Helpful in precisely predicting the scalability and capacity of application; thereby optimizing the investments in hardware.
10) Higher scalability with limited hardware due to low requirement of CPU and memory resources per virtual user.
11) Helpful in precisely pointing out user level, code-level and system-level problems easily & quickly.
12) Helpful in minimizing the cost of defect removal due to thorough testing of the application well in advance during the development life cycle.
13) Helpful in creating an efficient service-level management well before the services go live.
14) Helpful in involving the developers in the performance testing efforts right from the beginning due to ease of use of LoadRunner scripts directly within the IDE.
15) Helpful in real-time performance monitoring of all the system components.
16) New feature Service-oriented architecture (SOA) Script Generator wizard helps in selecting testing aspects of SOA environments and creating scripts accordingly. Helpful in boundary testing, interoperability and security-related testing.
17) New feature of XML (Extensible Markup Language) parameter support, having a facility of replacing the complete XML structure with a single parameter.
http://www.softwaretestinggenius.com
A Storehouse of Complete Knowledge on Software Testing & QA under one Roof
Article Source: Understand the Performance Validation Tool – HP LoadRunner
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Article Source: Use Free Bingo Money To Win Thousands!