Product: Microsoft SQL Server Management Studio Express — The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 29506.

The problem is that User Access Controls (UAC) interferes with the installation process and causes it to fail. In order to get around the UAC issue, follow these few simple steps:

1. Save the SQL Server Management Studio MSI file to, say, “C:\temp”
2. Go to Start > All Programs > Accessories
3. Right-click on “Command Prompt”, and click “Run as Administrator”
4. Once you open the command prompt, browse to “C:\temp”
5. Run the MSI file by typing in the name of the file and hitting Enter

The installation will run using the administrator privileges inherited by the command prompt.

You should now be free of any error code 29506. Good luck!

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- “myTable” is the name of the table with duplicate rows
- “id” is the name of the primary key identifier in “myTable”
- “groupByColumn” is the name of the column used to differentiate records as duplicates

Example: Table of Videos with the duplicate match being made on the “title” field.

DELETE FROM `videos` WHERE id NOT IN (SELECT t1.id FROM (SELECT id, title FROM `videos` ORDER BY id DESC) as t1 GROUP BY t1.title)

It’s a good SQL query to save or bookmark for those times when you need do some maintenance or cleanup during development.

While the full configuration settings available for the ACL are listed in the , the below example includes the basics that you’ll need to build an HAProxy load balancer that supports multiple host headers.

Here is a quick example haproxy configuration file that uses ACLs:

global
    log 127.0.0.1 local0
    log 127.0.0.1 local1 notice
    maxconn 4096
    user haproxy
    group haproxy
    daemon

defaults
    log global
    mode http
    option httplog
    option dontlognull
    retries 3
    option redispatch
    maxconn 2000
    contimeout 5000
    clitimeout 50000
    srvtimeout 50000

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backend www_example_com
    balance roundrobin
    cookie SERVERID insert nocache indirect
    option httpchk HEAD /check.txt HTTP/1.0
    option httpclose
    option forwardfor
    server Server1 10.1.1.1:80 cookie Server1
    server Server2 10.1.1.2:80 cookie Server2

backend www_domain_com
    balance roundrobin
    cookie SERVERID insert nocache indirect
    option httpchk HEAD /check.txt HTTP/1.0
    option httpclose
    option forwardfor
    server Server1 192.168.5.1:80 cookie Server1
    server Server2 192.168.5.2:80 cookie Server2

In HAProxy 1.3, the ACL rules are placed in a “frontend” and (depending on the logic) the request is proxied through to any number of “backends”. You’ll notice in our frontend entitled “http-in” that I’m checking the host header using the hdr_end feature. This feature performs a simple check on the host header to see if it ends with the provided argument.

You can find the rest of the Layer 7 matching options by searching for “7.5.3. Matching at Layer 7″ in the configuration doc I linked to above. A few of the options I didn’t use but you might find useful are path_beg, path_end, path_sub, path_reg, url_beg, url_end, url_sub, and url_reg. The *_reg commands allow you to perform RegEx matching on the url/path, but there is the usual performance consideration you need to make for RegEx (especially since this is a load balancer).

The first “use_backend” that matches a request will be used, and if none are matched, then HAProxy will use the “default_backend”. You can also combine ACL rules in the “use_backend” statements to match one or more rules. See the configuration doc for more helpful info.

If you’re looking to use HAProxy with SSL, that requires a different approach, and I’ll blog about that soon.

So what we physically used to encrypt/decrypt cards in the legacy system was a and our ultimate goal was to use a certificate in the format. My system at the office is Windows XP, and I wanted to use OpenSSL to accomplish the task of converting the private key blob to something more suitable for our new system, but I didn’t want to transmit any of our top secret keys across the VPN or even across the network for that matter.

OpenSSL did not begin supporting PRIVATEKEYBLOB as an acceptable format until 1.0.0 Beta, but 0.9.8h was the only Windows binary readily available. So I grabbed the OpenSSL source () and compiled it using GCC within Cygwin. If you don’t have Cygwin (get it ), it’s very easy to get started, and you can select from a large variety of Linux packages during setup. So, during setup, look for GCC and make sure you enable it.

Here’s how to compile OpenSSL 1.0.0 Beta on your native Linux environment or with Cygwin:

[code lang="bash"]$> cd /usr/local/
$> wget http://www.openssl.org/source/openssl-1.0.0-beta3.tar.gz
$> tar -xzf openssl-1.0.0-beta3.tar.gz
$> cd openssl
$> ./config && make && make install && make clean[/code]

If something broke during install, check the online docs, or re-run Cygwin setup to make sure you selected the gcc toolset. I’ll assume from this point forward you are using OpenSSL 1.0 in either a native Linux or a Cygwin environment. If you aren’t sure, start OpenSSL and type “version” to check your ::drumroll please:: version number.

Let’s get started.

The OpenSSL command below will take your PRIVATEKEYBLOB and output an RSA private key in PEM format. Please note the use of “MS\ PRIVATEKEYBLOB” instead of the alternative “PRIVATEKEYBLOB”. Backspace is required to escape the blank space after “MS” in Linux when passed as a parameter on the command line. So, if all goes well, you should have a PEM file. If it doesn’t, try specifying a different input form (e.g. DER or PRIVATEKEYBLOB instead of MS\ PRIVATEKEYBLOB).

[code lang="bash"]$> openssl rsa -inform MS\ PRIVATEKEYBLOB -outform PEM -in private.pvk -out private.pem[/code]

Now that we have a PEM file with an RSA private key, we can generate a new certificate based on that private key (command below). This will generate an x509 certificate valid for 5 years. Once you run this you’ll be prompted with the usual country/state/city/company information, but what you specify there is up to you. I would recommend adding a passkey when it prompts you at the end

[code lang="bash"]$> openssl req -new -x509 -key private.pem -out newcert.crt -days 1825[/code]

If all continues to go well, you should have a private key in PEM format and your brand new certificate. One last command is needed to generate the PKCS #12 (aka PFX) certificate bundle.

[code lang="bash"]$> openssl pkcs12 -export -in newcert.crt -inkey private.pem -name "My Certificate" -out myCert.p12[/code]

If you didn’t receive any errors, then congratulations! You can now import this PKCS12 bundle into any Windows certificate repository and no longer need to hard code blobs into your code.

Hope this helps save someone a few hours time.

If you manage one or more Joomla websites, eventually you’ll have to move them elsewhere. It’s pretty much fact. Performance requirements will change, you’ll find better pricing elsewhere, your dedicated server died, etc.

There are a few options most people have to choose from:

• FTP client and phpMyAdmin method (aka the long, boring method)
• SSH/Shell method (aka the cool, quick method)
• PHP system() method (aka middle of the road and kind of fun method)
• Joomla “clone” component (your mom could do it)

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1. Download the entire Joomla website via FTP client (you’re using S-FTP to connect, right?)
2. Use phpMyAdmin to export a SQL dump of your database
3. Upload the entire Joomla website via FTP client
4. Use phpMyAdmin on the new server to import the SQL dump from the old website
5. Update configuration.php:
   1. Update the MySQL database credentials
   2. Update the tmp/logs path
   3. If you use FTP Layer, update the credentials
6. Update .htaccess to match any changed server requirements

Easy and straightforward. Long, slow process, but any Jr. Network Admin  could handle this for you if you don’t want to get your hands dirty.

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1. Login to your server via SSH
2. Browse to your Joomla website root
3. Run these commands:
   [code lang="bash"]tar -czf ../backup-example-com-20090619.tar.gz .

   mv ../backup-example-com-20090619.tar.gz ./

   mysqldump -u yourUsername -p -h yourMySQLHostname yourDatabaseName > backup-example-com-20090619.sql[/code]

4. Do you need to move this to a remote server or another location on the same server?
   1. Local Path
      1. Copy both backup files to the new website root
      2. Browse to the new Joomla website root
   2. Remote Path
      1. Login to remote server via SSH
      2. Browse to the new Joomla website root
      3. Use wget to download the archive and SQL dump to this server:
         [code lang="bash"]wget http://www.example.com/backup-example-com-20090619.tar.gz
         wget http://www.example.com/backup-example-com-20090619.sql[/code]
5. Run this command:
   [code lang="bash"]tar -xzf backup-example-com-20090619.tar.gz[/code]
6. Run this command (assuming you have made a new, blank database)
   [code lang="bash"]mysql -u yourNewUsername -p -h yourNewMySQLHost yourNewDatabase  < backup-example-com-20090619.sql[/code]
7. Update configuration.php & .htaccess as shown in the first example

More complicated (obviously), but if you like doing things the hard fun way, then it's a great way to go.

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I wasn't made aware of this method until after I started managing a whole slew of websites in a platform (). Cloud hosting (and many shared hosting platforms) do not provide access to SSH because it's simply not feasible. Cloud hosting in particular due to your website running across hundreds of different server nodes. You can perform the same functions as the SSH procedure above using system execution commands in PHP.

1. Create a new file called brand cialis online pharmacybrand cialis online pharmacy
2. Write the following code into this file:
   [code lang="php"]echo `tar -czf ../backup-example-com-20090619.tar.gz . && mv ../backup-example-com-20090619.tar.gz ./`;
   echo `mysqldump -u yourUsername -p -h yourMySQLHostname yourDatabaseName > backup-example-com-20090619.sql`;[/code]
3. Execute the PHP file by accessing it from a browser:
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4. Create a new file on the destination website called brand cialis online pharmacybrand cialis online pharmacy
5. Write the following code into this file:
   [code lang="php"]echo `wget http://www.example.com/backup-example-com-20090619.tar.gz`;
   echo `wget http://www.example.com/backup-example-com-20090619.sql`;
   echo `tar -xzf backup-example-com-20090619.tar.gz`;
   echo `mysql -u yourNewUsername -p -h yourNewMySQLHost yourNewDatabase  < backup-example-com-20090619.sql`;[/code]
6. brand cialis online pharmacy
7. Update the configuration.php and .htaccess files as needed

Cool, huh?

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If you prefer not to do anything yourself, and want to keep it as simple as possible, then a backup component from the JED is the way to go:

I have only used one of those components before, and I found that there were a few bugs needing to be worked out, and it ended up taking more time to do the backup, move, and clone that I needed to do than when I did so manually.

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There are shortcuts you can take here depending on your environment. For instance, you never need to create archives at all, as you can pipe the mysqldump output directly to another mysql command (with the new database's credentials). However, I prefer to use archives and solid files especially when using PHP-based method, because you could end up accidentaly accessing the cloner file and wiping an existing MySQL database (if you aren't careful). So, on top of all this, I'd recommend removing the update-me and copy-me files after using them.

The article covers the following topics:
• Optimizing the ASP.NET pipeline system
• ASP.NET, AJAX caching, and what you need to know
• Deploying ASP.NET from a staging to a production environment
• Optimizing the ASP.NET process configuration
• Using a Content Delivery Network (CDN) with your ASP.NET apps
• ASP.NET 2.0 Membership tables
• Progressive UI loading for a smoother, end-user, browser experience
• Optimizing ASP.NET 2.0 Profile provider

Original article: