Apache HTTP Server Test Page powered by CentOS #second #hand #cars


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Apache 2 Test Page

This page is used to test the proper operation of the Apache HTTP server after it has been installed. If you can read this page it means that the Apache HTTP server installed at this site is working properly.

If you are a member of the general public:

The fact that you are seeing this page indicates that the website you just visited is either experiencing problems or is undergoing routine maintenance.

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You may now add content to the directory /var/www/html/. Note that until you do so, people visiting your website will see this page and not your content. To prevent this page from ever being used, follow the instructions in the file /etc/httpd/conf.d/welcome.conf .

You are free to use the images below on Apache and CentOS Linux powered HTTP servers. Thanks for using Apache and CentOS!


SQL Server Data MIning – Data Mining Features #sql #server #hosting


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Welcome to SQLServerDataMining.com

This site has been designed by the SQL Server Data Mining team to provide the SQL Server community with access to and information about our in-database data mining and analytics features. SQL Server 2000 was the first major database release to put analytics in the database. Catch up with the latest SQL Server Data Mining news in our newsletter.

SQL Server 2012 SP1 Data Mining Add-ins for Office (with 32-bit or 64-bit Support)

The Data Mining Add-ins allow you to harness the power of SQL Server 2012 predictive analytics in Excel and Visio and they have been updated to include 32-bit or 64-bit support for Office 2010 or Office 2013. Use Table Analysis Tools to get insight with a couple of clicks. Use the Data Mining tab for full-lifecycle data mining, and build models which can be exported to a production server. Visualize your models in Visio.

SQL Server 2012 Data Mining

Microsoft expert Rafal Lukawiecki provides free and paid videos on data mining for SQL Server 2012 at Project Botticelli. The website has other Microsoft BI topics too from leading Microsoft experts.

SQL Server DM with Excel 2010 and PowerPivot

Microsoft MVP Mark Tabladillo shows you how to unleash SQL Server 2008 Data Mining with Excel 2010 and SQL Server PowerPivot for Excel, Microsoft s new self-service BI offering.

Predixion Software Offers Third-Party Tools for SQL Server Data Mining

Our friends at Predixion Software have released Predixion Insight, their predictive analytics offering that builds on the SQL Server Data Mining platform. They have added some cool visualization and collaboration features that are surfaced in Excel Services as well.

Disclaimer: SQLServerDataMining.com is currently managed by members of the SQL Server Data Mining development team at Microsoft Corporation. It does not represent Microsoft’s official position on its products or technologies. All content is provided “AS-IS” with no warranties and confers no rights.

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reportal allows you to easily view and schedule Crystal Reports securely over the web or your intranet. With a cost-effective server licensing model, you can distribute your reports to an unlimited number of users.

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Copyright Shahrabani + Associates, LLC. All Rights Reserved.
Crystal Reports and Crystal Enterprise are registered trademarks of SAP.
SSRS, SQL Server Reporting Services, Report Server and FRx are registered trademarks of Microsoft Corporation.


Removing Rows with the DELETE Statement in SQL Server #sql #server, #delete #statement, #tsql, #t-sql


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T-SQL Programming Part 8 – Removing Rows with the DELETE Statement in SQL Server

Greg Larsen explores how to remove rows from a SQL Server table using the DELETE statement.

In my last two articles I discuss using the INSERT and UPDATE statement. These two commands added new rows and modified existing rows. In this article I will explore how to remove rows from a table using the DELETE statement.

Syntax of the DELETE Statement

You may want to delete rows because they are no longer needed, or they were incorrectly added in the first place. The DELETE statement is used to remove rows from a SQL Server table. A single DELETE statement can remove a single row, or number of rows. Here is the basic syntax of the DELETE statement.

( expression ) – is a number or an expression that equates to a number used to limit the number of rows deleted

object – is the name of an object in a database from which you want to delete records

OUTPUT Clause – identifies the column values of the deleted rows to be returned from the DELETE statement

search_condition – the condition used to identify the rows to be deleted

For the complete syntax of the DELETE statement refer to Books Online.

In order to demonstrate how to use the DELETE statement I will be creating a DemoDelete table. Here is the code I used to create and populate my DemoDelete table.

Deleting a Single Row Using WHERE Constraint

In order to delete a single row from a table you need to identify that row with a WHERE constraint. Below is some code that deletes a single row from my DemoDelete table:

In this code I used the DeleteDesc column to constrain the records that I would be deleting. By specifying that the DeleteDesc column value had to be equal to the value “The Mother”, only one record in my table got deleted, because only one row in my table had that value. Now if my table contained a number of rows that had a column value of “The Mother” then all the rows that contained that value would be deleted.

If you are unsure of the rows you are identifying to be deleted using the above example, and you want to make sure the rows you have targeted with the WHERE constraint are correct, then you can first run a SELECT statement. After you are confident that your SELECT statement is selecting the rows you want to delete you can then convert it to a DELETE statement.

Using the TOP Clause to Delete a Single Row

You can also use the TOP clause to delete a single row. Below is an example where I used the TOP clause to delete one row from my DemoDelete table:

This statement deleted a random row from my DemoDelete table. It was random because SQL Server does not guarantee a sorted set will be returned where it can delete the top record of the ordered set. When I review the records left in my table I see I deleted the record that had an Id value of 1 and a DeleteDesc of “Thing One”. Note if I change the TOP clause to another number like 3, then this statement would delete the number of rows equal to the value specified.

Deleting the TOP 1 Records from a Sorted Set

If you want to delete the first record from a sorted set you need to write your TSQL DELETE statement similar to the following code:

In the above code I create a subquery that returned a single ID value based on the descending sort order of ID column value in my DemoDelete table. I then used the WHERE constraint to only delete records that had that ID value. I also place a TOP (1) clause on my DELETE statement to only delete a single row should my DemoDelete table contain multiple records with the same ID value. If you are following along you can see the above code deleted the DemoDelete record that had an ID value of 7.

Since my DemoDelete table did not contain multiple records with the same ID value I could have also deleted the largest ID value row by running the following code:

When I run this code against my DemoDelete table it will delete ID value of 5.

Using Another Table to Identify the Rows to Delete and the OUTPUT Clause

There are times when you might what to delete the rows in a table based on values from another table. An example of where you might want to do this is to remove rows from your inventory table based on some sales data. To demo this first I will need to generate another table that contains key values for the rows I want to delete. Here is the code to create and populate my other table:

At this point after running all my different DELETE statements against my DemoDelete table there are only three rows left in my table. By selecting all the rows in my DemoDelete table I see that these three rows are left:

In order to use the RecordsToDelete table to delete specific records in my DemoDelete table I need to run the code below.

This code joins the table DemoDelete and RecordsToDelete based on the DeleteDesc column. When the DeleteDesc matches between the two tables the matched rows within the DemoDelete table are deleted.

My delete statement above also contains the OUTPUT clause. The OUTPUT clause is used to return the column values of the deleted rows that are identified in the OUTPUT clause. In the code above I specified “DELETED.*”. The “*” means to return all the columns values from the DELETED rows. When I ran this code the following rows were returned:

These returned rows could be used by your application for some purpose, like creating an audit trail.

Inserting OUTPUT Clause Data into a Table

There are times when you might retain the data created by the OUTPUT clause in a table instead of just returning the deleted row values to the application. To demonstrate running a DELETE statement that populates the row values being deleted into a table I will run the code below.

The following output displayed the SELECT statement in the above code snippet:

In both of my examples that used the OUTPUT clause of the DELETE statement I specified “DELETED.*” to denote outputting all the column values for the rows being deleted. I could have specified the actual column values I wanted to output. The code below is equivalent to the code above.

In this code you can see I specified “DELETED.ID, DELETED.DeleteDesc”, instead of “DELETE.*”. You can verify this code is equivalent by inserting the “The Cat” row back into the DemoDelete table and then running the code above.

Multiple Ways to Delete Rows

As you can see there are multiple ways to delete rows from a SQL Server table. You can use the WHERE clause to identify specific criteria for the rows that need to be deleted. You can join a table to the table in which you are deleting rows to identify which rows to delete. You can even use the TOP clause to restrict the number of rows that will be deleted. The article should help you with developing your DELETE statement next time you have to remove some rows from a SQL Server table.


Should You Use Windows Server Backup? #windows #server #backup, #windows #server, #backup #and #recovery, #windows #client, #windows #server #2008, #systems #management


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Should You Use Windows Server Backup?

Executive Summary: Windows Server Backup, the Windows Server 2008 replacement for the built-in Windows NTBackup backup and restore utility, has some differences that IT administrators might find annoying. Learn how you can work with Windows Server Backup s limitations and whether you might need a more full-featured backup and restore solution for your Windows servers.

We ve often been reminded by Microsoft that NTBackup included with Windows NT 4.0, Windows 2000, and Windows Server 2003 wasn t intended as a full-featured, enterprise-level backup solution. Nevertheless, many of us would use it that way in a pinch. Since Windows Server 2008 s release, however, we can t get away with using Windows new built-in backup tool for large-scale, enterprise backups as easily we could with NTBackup. That s because Windows Server Backup, the Server 2008 replacement for NTBackup, functions much differently from NTBackup. I ll take you through some of the annoying differences between NTBackup and Windows Server Backup, tell you how you can sometimes work around those annoyances, and explain why you might need to consider a more fully featured backup solution.

Annoyance #1

Windows Server Backup Isn t Installed By Default. Unlike NTBackup, which was installed by default on Windows 2003 and Windows 2000, Windows Server Backup isn t installed by default on Server 2008. To use Windows Server Backup, you need to use the Add Features wizard, which lets you install Windows Server Backup, and the wbadmin.exe command-line utility, which you use to back up Server Core computers.

The lack of default backup software can be very annoying in certain circumstances. Say you ve been called in to look at a server that s behaving erratically, only to find that it has never been backed up and that you can t install any new software. I like to back up a server before I do more invasive mucking about, and not having backup software installed by default can make investigating a server problem more of a challenge. I ve found that companies especially small businesses often don t consider backups until problems occur.

The only way to avoid the problem of getting caught without Server 2008 s backup software installed is to install the Windows Server Backup and wbadmin.exe features when you deploy Server 2008. Unfortunately, you re still likely to get called to look at servers that have never been backed up and probably don t have Windows Server Backup installed. It s a pity there s no warning on Server 2008 that asks you to regularly back up the server in the same way that it nags you about configuring automatic updates. With such a warning, only the most recalcitrant administrators would fail to ensure that their data was safely backed up.

Annoyance #2

No Tape Drive Support . One of the most surprising facts about Windows Server Backup is that it doesn t support tape drives. You didn t misread that: Windows Server Backup and the wbadmin.exe command-line utility can t be used to write backups to tape. There s at least one perfectly good reason why that s the case: Tape drives are going the way of the floppy disk. Not only can today s hard drives store insane amounts of data, they re also significantly faster than tapes during the backup and restoration process. However, most IT shops have an existing backup tape infrastructure, and good tape drives never came cheap. Going to Server 2008 might mean that expensive tape drive starts collecting dust.

If you re migrating from a previous version of Windows to Server 2008, you might have to decide to ditch the legacy hardware and purchase some removable hard drives or perhaps go with another vendor s backup solution. You ll also need to devise a plan for recovering data stored on tapes once you fully migrate to Server 2008. Although Windows Server Backup doesn t let you import backups made with NTBackup, and you can t use NTBackup to restore backups made with Windows Server Backup, Microsoft provides a restore-only version of NTBackup at go.microsoft.com/fwlink/?LinkId=82917. This version of NTBackup can read from tape drives, but can t write to them. You can extract your existing backup data from the tapes, but you won t be able to use the tapes anymore after that. To use the Server 2008 restore-only version of NTBackup with a tape drive, you need the correct Server 2008 driver for that tape drive. Because Windows Server Backup doesn t support tape drives, some tape drive manufacturers are reluctant to support Server 2008.

Annoyance #3

A Dedicated Disk Is Required for Scheduled Backups. Windows Server Backup requires a dedicated disk (not just a partition) to store scheduled backups. When you run your first backup to the new disk, the disk is repartitioned and formatted. You won t be able to use it for anything other than storing backup data, and you can t view it in Windows Explorer. You can have Windows Server Backup write data to an internal hard drive or to a USB 2.0 or IEEE 1394 compatible disk. Microsoft recommends that your disk be roughly two and a half times larger than the amount of data you d write in a full backup, and the smallest amount you can back up is an entire volume. The default Windows Server Backup settings involve a full backup followed by incremental backups. Windows Server Backup manages data so that the oldest backup is automatically removed when the disk begins to run out of space. The idea behind this approach is that you can set up and schedule your backup, then forget about it until it s time to perform a restore.

This method is pretty good for a bare-bones backup solution, but if you re used to the configurability of NTBackup, it can be a bit annoying. You can perform a one-off backup to a network location or optical media, but you can t schedule backups to these locations. Clever administrators might write a script called by a scheduled task that uses wbadmin.exe to write a backup, but you won t be informed if the target location has enough space for the backup to finish successfully. Going outside the parameters of what you can accomplish with scheduled backups is one of those you can do it, but you probably shouldn t make a habit of it things that systems administrators are always being warned about.

Requiring a dedicated disk also makes the practice of rotating backups to offsite locations more challenging. Many organizations take one set of backups offsite each week, enabling data recovery in the event that the building burns to the ground, is flooded, or is hit by a meteor. Windows Server Backup works on the philosophy that the backup volume is tethered to the server and will probably not be rotated offsite. If disaster recovery is a concern, you need to look at a more full-featured solution.

Annoyance #4

The Volume Is the Minimum Backup Selection . Unlike NTBackup, which lets you select individual files and folders to back up, the smallest item that you can back up using Windows Server Backup is an entire volume. This limitation exists because Windows Server Backup uses a full disk image rather than just writing files and folders to a location and compressing them into a binary blob. You can still restore individual files and folders, however.

One thing that surprises many admins is that Windows Server Backup can t perform a system-state only backup. It s possible to perform a system-state only backup using the wbadmin.exe command start systemstatebackup, but some admins aren t comfortable using the command-line environment to complete what should be a relatively straightforward task.

Why Use Windows Server Backup?

Windows Server Backup works best if you remember that it isn t designed to be an enterprise-level backup solution. Many administrators find this limitation annoying because that s essentially how they ve been using NTBackup for much of the past decade. If you take it for what it is the WordPad of backup programs you ll find that what it actually does do, it does quite well. If you use Windows Server Backup to schedule a regular backup to a removable disk or an internal hard disk, it s very simple to perform a complete restore of the entire Windows OS. You wouldn t use Windows Server Backup to back up your Exchange Server or SQL Server systems, but you probably didn t use NTBackup to do so, either.


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Server Virtualization & Virtualization Management – BMC Software #server #lifecycle #management


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Server Virtualization Management

Server virtualization solutions for total control

Server virtualization allows you to build, configure, manage, and optimize your infrastructure. BMC virtualization management tools help you address mission-critical data center virtualization management challenges from provisioning to application delivery to capacity management.

What to look for in virtualization management tools

  • Support for diverse hybrid environment
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Virtualization management starts with discovery

Given the dynamic nature of virtual environments, maintaining an up-to-date view of your virtual infrastructure can be challenging. BMC Atrium Discovery and Dependency Mapping (ADDM) automatically discovers the broadest range of virtual machines from vendors including VMware, Microsoft, RedHat, Oracle, IBM, HP, and others.

  • Quickly identify candidates for virtualization.
  • Track the progress of your virtualization projects.
  • Prevent outages when moving assets to virtual environments.
  • Ensure software is in compliance.

Explore Discovery

More solutions for virtualization management

BladeLogic Server Automation helps IT rapidly remediate known vulnerabilities, and automate compliance checks for regulatory requirements such as PCI-DSS or security standards like DISA.

Cloud Lifecycle Management accelerates innovation in the cloud through automated provisioning, governance, and management of secure cloud services.

SecOps solutions enable organizations to prioritize and remediate critical vulnerabilities and compliance violations through visibility into data center assets and their relationships.

TrueSight Operations Management monitors complex IT environments and analyzes diverse data to deliver actionable IT insight that helps you solve business problems.

Related topics:

BMC Cloud Management BMC offers cloud solutions that get your cloud up and running fast, adapting and scaling as your business changes and grows. Capacity Planning and Management With BMC capacity planning and management solutions you can optimize existing IT capacity across all compute environments and resources. Application Performance Management Application performance management (APM) helps IT organizations manage the performance of business-critical applications.

Join the conversation

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  • MAMP & MAMP PRO, mac virtual server.#Mac #virtual #server


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    MAMP & MAMP PRO

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    Licensing

    Similar to a Linux-Distribution, MAMP is a combination of free software and thus it is offered free of charge. MAMP is released under the GNU General Public License and may thereby be distributed freely within the boundaries of this license. Please note: some of the included software is released using a different license. In these cases, the corresponding license applies.

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    Nginx is a web server. It can act as a reverse proxy server for HTTP, HTTPS, SMTP, POP3, and IMAP protocols, as well as a load balancer and an HTTP cache.

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    How To Install Group Policy Management In Windows 7 #server # #group #policy #management #console


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    How To Install Group Policy Management In Windows 7

    The Group Policy Management is a great tool from Microsoft, which lets you manage your own domain based network. If you are a network administrator or you are managing a small network at home then you are probably familiar with the Active Directory and Group Policy Management (GPM) as they both work together and help in managing your network infrastructure.

    Don t confuse the Local Group Policy (gpedit) with Group Policy Management, Gpedit is used to work with the registry settings of your local system while Group Policy Management is a server administration tool and is used in the context to Domain based network. The Group Policy Management falls into the Remote Server Administration category, and Remote Server Administration tools are not installed in Windows 7 by default.

    First of all download and install the Windows Remote Server Administration Tools from here. once the download and installation of this toolkit is completed, go through the following guidelines to enable it.

    Open the Windows Features window by clicking Start. then type Turn Windows features on or off and then hit Enter. Once the Widows Features window is loaded, navigate to the Remote Server Administration Tools and here enable the Group Policy Management Tools .

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    How To Group Tiles On The Start Menu In Windows 10

    It will take some time to apply these changes.

    Now click Start, type gpmc.msc and hit Enter, the Group Policy Management Editor will be loaded and you are ready to go with your Domain based network.


    Setup Elasticsearch, Logstash, Kibana (ELK Stack) on Ubuntu LTS, ubuntu cloud server setup.#Ubuntu #cloud #server #setup


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    Setup Elasticsearch, Logstash, Kibana (ELK Stack) on Ubuntu 16.04 LTS

    This post is mainly about my experience on setuping Elastic Stack on Ubuntu 16.04. The ELK (Elasticsearch, Logstash, Kibana) version I am using is 5.1.1. After Version 5.0, all products from Elasticsearch have been sharing the same versioning.

    Briefly, ELK includes:

    • Elasticsearch: a highly scalable full-text search and analytics engine.
    • Logstash: a data collecting, parsing, filtering, pre-processing, and mapping engine with real-time pipelining capabilities.
    • Kibana: a analytics and visualization web interface designed to work with Elasticsearch for searching and viewing logs from Elasticsearch.
    • X-Pack: an Elastic Stack extention that bundles security, alerting, monitoring, reportnig, and graph capabilities into one easy-to-install package.

    All three of ELK are open source. For X-Pack, you could have a 30-day trial. Alternatively, you could also use Nginx for proxy.

    The data which are used for demonstrating the ELK Stack is from Twitter. Beside of ELK Stack, I will also install X-Pack since most of the companies need ELK but do not want their data/pivacy to be exposed outside.

    In this setup, I will not install the software using sudo apt-get install on my Ubuntu. Instead, I will just download the binary files and run it in the command line. I would like to have the full control of it and also for the purpose that, if you are going to setup ELK Stack on a Acceptance/Production server, which requires high level of security, stability and reliability, you probably would like to do it in my way. At least you know exactly what you have done in case you screw it up, and you are able to scroll it back.

    Before all, you have to check the Java version on your machine:

    It is required and recommended by Elastic here that:

    “Elasticsearch is built using Java, and requires at least Java 8 in order to run. Only Oracle’s Java and the OpenJDK are supported. The same JVM version should be used on all Elasticsearch nodes and clients. We recommend installing Java version 1.8.0_73 or later. Elasticsearch will refuse to start if a known-bad version of Java is used.”

    First of all, I made a directory ELK for all the binaries

    THen, I had everything downloaded and untared.

    After untar every package, and you will have the followings:

    I also have the X-Pack package ready but I will set it up when the full ELK Stack is ready.

    Now, if you go to the Elasticsearch directory, you will find:

    It is very easy to fire up Elasticsearch:

    NOW, we have a working Elasticsearch:

    Giving ?pretty is used for getting a more strutured-printed reponse.

    Instead of running in front, you could also run Elasticsearch as a daemon in the background like this:

    By specifying -d , you put the program as daemon; by giving -p pid , the process ID is recorded in a file, so that you can do kill ‘cat pid’ in order to kill it.

    It is also easy to start Kibana:

    You can access Kibana in a browser by typing: http://localhost:5601.

    Ubuntu cloud server setup

    Till now, we have not had any data yet. We could put some simple test data as following:

    Since there is no date mapping, the index test-* cannot be time-based: Ubuntu cloud server setup

    We can create a non-time-based index: Ubuntu cloud server setup

    There are the fields: Ubuntu cloud server setup

    Now, let’s get Logstash into play and get some real data:

    Here’s how we can start Logstash:

    THe parameter –config.reload.automatic is for automatically reloading conf file.

    The configuration file first.conf is showing like:

    The input plugin twitter specifies the data source you are using, with several parameters to setup related to your Twitter application info.

    The filter plugins grok and geoip , repectively, are used to parse the twitter message and map the client ip address to a Geo location.

    The output plugin elasticsearch gives Logstash the destination of the processed, filtered and mapped data, which, here, is to Elasticsearch.

    Now, we have a logstash-* as time-based: Ubuntu cloud server setup

    And we are getting data from twitter: Ubuntu cloud server setup

    Here is one twitter data sample: Ubuntu cloud server setup

    It can also be shown in JSON format:

    Ubuntu cloud server setup

    Chang Liu

    Perfection is finally attained not when there is no longer more to add, but when there is no longer anything to take away.