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• What does "error reading login count from pmvarrun" mean?

  - by n3rd

  I have the above mentioned error in my /var/log/auth.log file and just try to figure out if this is a harmelss statement. As far as I understand does pmvarrun tells the system how many active session (e.g. logins) a user has on the system. Full output of auth.log Jan 24 17:44:42 P835 lightdm: pam_unix(lightdm:session): session opened for user lightdm by (uid=0) Jan 24 17:44:42 P835 lightdm: pam_ck_connector(lightdm:session): nox11 mode, ignoring PAM_TTY :0 Jan 24 17:44:49 P835 lightdm: pam_succeed_if(lightdm:auth): requirement "user ingroup nopasswdlogin" not met by user "user" Jan 24 17:44:51 P835 dbus[1289]: [system] Rejected send message, 2 matched rules; type="method_call", sender=":1.31" (uid=104 pid=1882 comm="/usr/lib/indicator-datetime/indicator-datetime-ser") interface="org.freedesktop.DBus.Properties" member="GetAll" error name="(unset)" requested_reply="0" destination=":1.17" (uid=0 pid=1561 comm="/usr/sbin/console-kit-daemon --no-daemon ") Jan 24 17:45:04 P835 lightdm: pam_unix(lightdm:session): session closed for user lightdm Jan 24 17:45:04 P835 lightdm: pam_mount(pam_mount.c:691): received order to close things Jan 24 17:45:04 P835 lightdm: pam_mount(pam_mount.c:693): No volumes to umount Jan 24 17:45:04 P835 lightdm: command: 'pmvarrun' '-u' 'user' '-o' '-1' Jan 24 17:45:04 P835 lightdm: pam_mount(misc.c:38): set_myuid<pre>: (ruid/rgid=0/0, e=0/0) Jan 24 17:45:04 P835 lightdm: pam_mount(misc.c:38): set_myuid<post>: (ruid/rgid=0/0, e=0/0) Jan 24 17:45:04 P835 lightdm: pam_mount(pam_mount.c:438): error reading login count from pmvarrun Jan 24 17:45:04 P835 lightdm: pam_mount(pam_mount.c:728): pam_mount execution complete Jan 24 17:45:08 P835 lightdm: pam_unix(lightdm:session): session opened for user user by (uid=0) Jan 24 17:45:08 P835 lightdm: pam_ck_connector(lightdm:session): nox11 mode, ignoring PAM_TTY :0 Jan 24 17:45:25 P835 polkitd(authority=local): Registered Authentication Agent for unix-session:/org/freedesktop/ConsoleKit/Session2 (system bus name :1.54 [/usr/lib/policykit-1-gnome/polkit-gnome-authentication-agent-1], object path /org/gnome/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) Jan 24 17:45:47 P835 dbus[1289]: [system] Rejected send message, 2 matched rules; type="method_call", sender=":1.59" (uid=1000 pid=4748 comm="/usr/lib/indicator-datetime/indicator-datetime-ser") interface="org.freedesktop.DBus.Properties" member="GetAll" error name="(unset)" requested_reply="0" destination=":1.17" (uid=0 pid=1561 comm="/usr/sbin/console-kit-daemon --no-daemon ") Thanks for any help

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• Twitter User/Search Feature Header Support in LINQ to Twitter

  - by Joe Mayo

  LINQ to Twitter’s goal is to support the entire Twitter API. So, if you see a new feature pop-up, it will be in-queue for inclusion. The same holds for the new X-Feature… response headers for User/Search requests.  However, you don’t have to wait for a special property on the TwitterContext to access these headers, you can just use them via the TwitterContext.ResponseHeaders collection. The following code demonstrates how to access the new X-Feature… headers with LINQ to Twitter: var user = (from usr in twitterCtx.User where usr.Type == UserType.Search && usr.Query == "Joe Mayo" select usr) .FirstOrDefault(); Console.WriteLine( "X-FeatureRateLimit-Limit: {0}\n" + "X-FeatureRateLimit-Remaining: {1}\n" + "X-FeatureRateLimit-Reset: {2}\n" + "X-FeatureRateLimit-Class: {3}\n", twitterCtx.ResponseHeaders["X-FeatureRateLimit-Limit"], twitterCtx.ResponseHeaders["X-FeatureRateLimit-Remaining"], twitterCtx.ResponseHeaders["X-FeatureRateLimit-Reset"], twitterCtx.ResponseHeaders["X-FeatureRateLimit-Class"]); The query above is from the User entity, whose type is Search; allowing you to search for the Twitter user whose name is specified by the Query parameter filter. After materializing the query, with FirstOrDefault, twitterCtx will hold all of the headers, including X-Feature… that Twitter returned.  Running the code above will display results similar to the following: X-FeatureRateLimit-Limit: 60 X-FeatureRateLimit-Remaining: 59 X-FeatureRateLimit-Reset: 1271452177 X-FeatureRateLimit-Class: namesearch In addition to getting the X-Feature… headers a capability you might have noticed is that the TwitterContext.ResponseHeaders collection will contain any HTTP that Twitter sends back to a query. Therefore, you’ll be able to access new Twitter headers anytime in the future with LINQ to Twitter. @JoeMayo

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• Uploading and Importing CSV file to SQL Server in ASP.NET WebForms

  - by Vincent Maverick Durano

  Few weeks ago I was working with a small internal project  that involves importing CSV file to Sql Server database and thought I'd share the simple implementation that I did on the project. In this post I will demonstrate how to upload and import CSV file to SQL Server database. As some may have already know, importing CSV file to SQL Server is easy and simple but difficulties arise when the CSV file contains, many columns with different data types. Basically, the provider cannot differentiate data types between the columns or the rows, blindly it will consider them as a data type based on first few rows and leave all the data which does not match the data type. To overcome this problem, I used schema.ini file to define the data type of the CSV file and allow the provider to read that and recognize the exact data types of each column. Now what is schema.ini? Taken from the documentation: The Schema.ini is a information file, used to define the data structure and format of each column that contains data in the CSV file. If schema.ini file exists in the directory, Microsoft.Jet.OLEDB provider automatically reads it and recognizes the data type information of each column in the CSV file. Thus, the provider intelligently avoids the misinterpretation of data types before inserting the data into the database. For more information see: http://msdn.microsoft.com/en-us/library/ms709353%28VS.85%29.aspx Points to remember before creating schema.ini:   1. The schema information file, must always named as 'schema.ini'.   2. The schema.ini file must be kept in the same directory where the CSV file exists.   3. The schema.ini file must be created before reading the CSV file.   4. The first line of the schema.ini, must the name of the CSV file, followed by the properties of the CSV file, and then the properties of the each column in the CSV file. Here's an example of how the schema looked like: [Employee.csv] ColNameHeader=False Format=CSVDelimited DateTimeFormat=dd-MMM-yyyy Col1=EmployeeID Long Col2=EmployeeFirstName Text Width 100 Col3=EmployeeLastName Text Width 50 Col4=EmployeeEmailAddress Text Width 50 To get started lets's go a head and create a simple blank database. Just for the purpose of this demo I created a database called TestDB. After creating the database then lets go a head and fire up Visual Studio and then create a new WebApplication project. Under the root application create a folder called UploadedCSVFiles and then place the schema.ini on that folder. The uploaded CSV files will be stored in this folder after the user imports the file. Now add a WebForm in the project and set up the HTML mark up and add one (1) FileUpload control one(1)Button and three (3) Label controls. After that we can now proceed with the codes for uploading and importing the CSV file to SQL Server database. Here are the full code blocks below: 1: using System; 2: using System.Data; 3: using System.Data.SqlClient; 4: using System.Data.OleDb; 5: using System.IO; 6: using System.Text; 7:   8: namespace WebApplication1 9: { 10: public partial class CSVToSQLImporting : System.Web.UI.Page 11: { 12: private string GetConnectionString() 13: { 14: return System.Configuration.ConfigurationManager.ConnectionStrings["DBConnectionString"].ConnectionString; 15: } 16: private void CreateDatabaseTable(DataTable dt, string tableName) 17: { 18:   19: string sqlQuery = string.Empty; 20: string sqlDBType = string.Empty; 21: string dataType = string.Empty; 22: int maxLength = 0; 23: StringBuilder sb = new StringBuilder(); 24:   25: sb.AppendFormat(string.Format("CREATE TABLE {0} (", tableName)); 26:   27: for (int i = 0; i < dt.Columns.Count; i++) 28: { 29: dataType = dt.Columns[i].DataType.ToString(); 30: if (dataType == "System.Int32") 31: { 32: sqlDBType = "INT"; 33: } 34: else if (dataType == "System.String") 35: { 36: sqlDBType = "NVARCHAR"; 37: maxLength = dt.Columns[i].MaxLength; 38: } 39:   40: if (maxLength > 0) 41: { 42: sb.AppendFormat(string.Format(" {0} {1} ({2}), ", dt.Columns[i].ColumnName, sqlDBType, maxLength)); 43: } 44: else 45: { 46: sb.AppendFormat(string.Format(" {0} {1}, ", dt.Columns[i].ColumnName, sqlDBType)); 47: } 48: } 49:   50: sqlQuery = sb.ToString(); 51: sqlQuery = sqlQuery.Trim().TrimEnd(','); 52: sqlQuery = sqlQuery + " )"; 53:   54: using (SqlConnection sqlConn = new SqlConnection(GetConnectionString())) 55: { 56: sqlConn.Open(); 57: SqlCommand sqlCmd = new SqlCommand(sqlQuery, sqlConn); 58: sqlCmd.ExecuteNonQuery(); 59: sqlConn.Close(); 60: } 61:   62: } 63: private void LoadDataToDatabase(string tableName, string fileFullPath, string delimeter) 64: { 65: string sqlQuery = string.Empty; 66: StringBuilder sb = new StringBuilder(); 67:   68: sb.AppendFormat(string.Format("BULK INSERT {0} ", tableName)); 69: sb.AppendFormat(string.Format(" FROM '{0}'", fileFullPath)); 70: sb.AppendFormat(string.Format(" WITH ( FIELDTERMINATOR = '{0}' , ROWTERMINATOR = '\n' )", delimeter)); 71:   72: sqlQuery = sb.ToString(); 73:   74: using (SqlConnection sqlConn = new SqlConnection(GetConnectionString())) 75: { 76: sqlConn.Open(); 77: SqlCommand sqlCmd = new SqlCommand(sqlQuery, sqlConn); 78: sqlCmd.ExecuteNonQuery(); 79: sqlConn.Close(); 80: } 81: } 82: protected void Page_Load(object sender, EventArgs e) 83: { 84:   85: } 86: protected void BTNImport_Click(object sender, EventArgs e) 87: { 88: if (FileUpload1.HasFile) 89: { 90: FileInfo fileInfo = new FileInfo(FileUpload1.PostedFile.FileName); 91: if (fileInfo.Name.Contains(".csv")) 92: { 93:   94: string fileName = fileInfo.Name.Replace(".csv", "").ToString(); 95: string csvFilePath = Server.MapPath("UploadedCSVFiles") + "\\" + fileInfo.Name; 96:   97: //Save the CSV file in the Server inside 'MyCSVFolder' 98: FileUpload1.SaveAs(csvFilePath); 99:   100: //Fetch the location of CSV file 101: string filePath = Server.MapPath("UploadedCSVFiles") + "\\"; 102: string strSql = "SELECT * FROM [" + fileInfo.Name + "]"; 103: string strCSVConnString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filePath + ";" + "Extended Properties='text;HDR=YES;'"; 104:   105: // load the data from CSV to DataTable 106:   107: OleDbDataAdapter adapter = new OleDbDataAdapter(strSql, strCSVConnString); 108: DataTable dtCSV = new DataTable(); 109: DataTable dtSchema = new DataTable(); 110:   111: adapter.FillSchema(dtCSV, SchemaType.Mapped); 112: adapter.Fill(dtCSV); 113:   114: if (dtCSV.Rows.Count > 0) 115: { 116: CreateDatabaseTable(dtCSV, fileName); 117: Label2.Text = string.Format("The table ({0}) has been successfully created to the database.", fileName); 118:   119: string fileFullPath = filePath + fileInfo.Name; 120: LoadDataToDatabase(fileName, fileFullPath, ","); 121:   122: Label1.Text = string.Format("({0}) records has been loaded to the table {1}.", dtCSV.Rows.Count, fileName); 123: } 124: else 125: { 126: LBLError.Text = "File is empty."; 127: } 128: } 129: else 130: { 131: LBLError.Text = "Unable to recognize file."; 132: } 133:   134: } 135: } 136: } 137: } The code above consists of three (3) private methods which are the GetConnectionString(), CreateDatabaseTable() and LoadDataToDatabase(). The GetConnectionString() is a method that returns a string. This method basically gets the connection string that is configured in the web.config file. The CreateDatabaseTable() is method that accepts two (2) parameters which are the DataTable and the filename. As the method name already suggested, this method automatically create a Table to the database based on the source DataTable and the filename of the CSV file. The LoadDataToDatabase() is a method that accepts three (3) parameters which are the tableName, fileFullPath and delimeter value. This method is where the actual saving or importing of data from CSV to SQL server happend. The codes at BTNImport_Click event handles the uploading of CSV file to the specified location and at the same time this is where the CreateDatabaseTable() and LoadDataToDatabase() are being called. If you notice I also added some basic trappings and validations within that event. Now to test the importing utility then let's create a simple data in a CSV format. Just for the simplicity of this demo let's create a CSV file and name it as "Employee" and add some data on it. Here's an example below: 1,VMS,Durano,[email protected] 2,Jennifer,Cortes,[email protected] 3,Xhaiden,Durano,[email protected] 4,Angel,Santos,[email protected] 5,Kier,Binks,[email protected] 6,Erika,Bird,[email protected] 7,Vianne,Durano,[email protected] 8,Lilibeth,Tree,[email protected] 9,Bon,Bolger,[email protected] 10,Brian,Jones,[email protected] Now save the newly created CSV file in some location in your hard drive. Okay let's run the application and browse the CSV file that we have just created. Take a look at the sample screen shots below: After browsing the CSV file. After clicking the Import Button Now if we look at the database that we have created earlier you'll notice that the Employee table is created with the imported data on it. See below screen shot.   That's it! I hope someone find this post useful! Technorati Tags: ASP.NET,CSV,SQL,C#,ADO.NET

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• Google Analytics and Whos.amung.us in realtime visitors, why such an enormous discrepancy?

  - by jacouh

  Since years I use in a site both Google Analytics and Whos.amung.us, both Google analytics and whos.amung.us javascripts are inserted in the same pages in the tracked part of the site. In real-time visitors, why such an enormous discrepancy ? for example at the moment, Google analytics gives me 9 visitors, whos.amung.us indicates 59, a ratio of 6 times? Why whos.amung.us is 6 times optimistic than Google Analytics in terms of the realtime visitors? Google whos.amung.us My question is: whos.amung.us does not detect robots while Google does? GA ignores visitors from some countries, not whos.amung.us? Some robots/bots execute whos.amung.us javascript for tracking? While no robots/bots can execute the tracking javascript provided by Google Analytics? To facilitate your analysis, I copy JS code used below: Google analytics: <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'MyGaAccountNo']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); </script> Whos.amung.us: <script>var _wau = _wau || []; _wau.push(["tab", "MyWAUAccountNo", "c6x", "right-upper"]);(function() { var s=document.createElement("script"); s.async=true; s.src="http://widgets.amung.us/tab.js";document.getElementsByTagName("head")[0].appendChild(s);})();</script> I've aleady signaled this to WAU staff some time ago, NR, I've not done this to Google as they don't handle this kind of feedback. Thank you for your explanations.

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• Practical mysql schema advice for eCommerce store - Products & Attributes

  - by Gravy

  I am currently planning my first eCommerce application (mySQL & Laravel Framework). I have various products, which all have different attributes. Describing products very simply, Some will have a manufacturer, some will not, some will have a diameter, others will have a width, height, depth and others will have a volume. Option 1: Create a master products table, and separate tables for specific product types (polymorphic relations). That way, I will not have any unnecessary null fields in the products table. Option 2: Create a products table, with all possible fields despite the fact that there will be a lot of null rows Option 3: Normalise so that each attribute type has it's own table. Option 4: Create an attributes table, as well as an attribute_values table with the value being varchar regardless of the actual data-type. The products table would have a many:many relationship with the attributes table. Option 5: Common attributes to all or most products put in the products table, and specific attributes to a particular category of product attached to the categories table. My thoughts are that I would like to be able to allow easy product filtering by these attributes and sorting. I would also want the frontend to be fast, less concern over the performance of the inserting and updating of product records. Im a bit overwhelmed with the vast implementation options, and cannot find a suitable answer in terms of the best method of approach. Could somebody point me in the right direction? In an ideal world, I would like to offer the following kind of functionality - http://www.glassesdirect.co.uk/products/ to my eCommerce store. As can be seen, in the sidebar, you can select an attribute the glasses to filter them. e.g. male / female or plastic / metal / titanium etc... Alternatively, should I just dump the mySql relational database idea and learn mongodb?

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• Is duck typing a subset of polymorphism

  - by Raynos

  From Polymorphism on WIkipedia In computer science, polymorphism is a programming language feature that allows values of different data types to be handled using a uniform interface. From duck typing on Wikipedia In computer programming with object-oriented programming languages, duck typing is a style of dynamic typing in which an object's current set of methods and properties determines the valid semantics, rather than its inheritance from a particular class or implementation of a specific interface. My interpretation is that based on duck typing, the objects methods/properties determine the valid semantics. Meaning that the objects current shape determines the interface it upholds. From polymorphism you can say a function is polymorphic if it accepts multiple different data types as long as they uphold an interface. So if a function can duck type, it can accept multiple different data types and operate on them as long as those data types have the correct methods/properties and thus uphold the interface. (Usage of the term interface is meant not as a code construct but more as a descriptive, documenting construct) What is the correct relationship between ducktyping and polymorphism ? If a language can duck type, does it mean it can do polymorphism ?

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• HUGE EF4 Inheritance Bug

  - by djsolid

  Well maybe not for everyone but for me is definitely really important. That is why I get straight into the point. We have the following model: Which maps to the following database: We are using EF4.0 and we want to load all Burgers including BurgerDetails. So we write the following query: But it fails. The error is : “The ResultType of the specified expression is not compatible with the required type. The expression ResultType is 'Transient.reference[SampleEFDBModel.Food]' but the required type is 'Transient.reference[SampleEFDBModel.Burger]'.Parameter name: arguments[0]”   So in the new version of EF there is no way to eager load data through Navigation Properties with 1-1 relationships defined in subclasses. Here is the relevant Microsoft Connect Issue. It is described through an other example but the result is the same.  Please if you think this is important vote up on Microsoft Connect.   EF 4.0 has many improvements. I am using it since v1 in large-scale projects and this version is faster,produces cleaner sql, more reliable and can be used for complicated business scenarios. That is why I believe this issue should be solved as soon as possible. I understand that release cycles are slow but I am hoping atleast for a hotfix. I also have uploaded the example project so you can test it. Download it from here. If anyone has found any workarounds please post it in the comments section. Thanks!

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• How to write PowerShell code part 4 (using loop)

  - by ybbest

  In this post, I’d like to show you how to loop through the xml element. I will use the list data deletion script as an example. You can download the script here. 1. To perform the loop, I use foreach in powershell. Here is my xml looks like <?xml version="1.0" encoding="utf-8"?> <Site Url="http://workflowuat/npdmoc"> <Lists> <List Name="YBBEST Collaboration Areas" Type="Document Library"/> <List Name="YBBEST Project" /> <List Name="YBBEST Document"/> </Lists> </Site> 2. Here is the PowerShell to manipulate the xml. Note, you need to get to the $configurationXml.Site.Lists.List variable rather than $configurationXml.Site.Lists foreach ($list in $configurationXml.Site.Lists.List){ AppendLog "Clearing data for $($list.Name) at site $weburl" Yellow if($list.Type -eq "Document Library"){ deleteItemsFromDocumentLibrary -Url $weburl -ListName $list.Name }else{ deleteItemsFromList -Url $weburl -ListName $list.Name } AppendLog "Data in $($list.Name) at $weburl is cleared" Green } How to write PowerShell code part 1 How to write PowerShell code part 2 How to write PowerShell code part 3 How to write PowerShell code part 4

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• Visual Studio Shortcut: Surround With

  - by Jeff Widmer

  I learned a new Visual Studio keyboard shortcut today that is really awesome; the “Surround With” shortcut.  You can trigger the Surround With context menu by pressing the Ctrl-K, Ctrl-S key combination when on a line of code. Ctrl-K, Ctrl-S means to hold down the Control key and then press K and then while still holding down the Control key press S. Here is where this comes in handy: You type a line of code and then realize you need to put it within an if statement block. So you type “if” and hit tab twice to insert the if statement code snippet.  Then you highlight the previous line of code that you typed, and then either drag and drop it into the if-then block or cut and paste it.  That is not too bad but it is a lot of extra key clicks and mouse moves. Now try the same with the Surround With keyboard shortcut.  Just highlight that line of code that you just typed and press Ctrl-K, Ctrl-S and choose the if statement code snippet, hit tab, and POW!... you are done!  No more code moving/indenting required. Here is what the Surround With context menu looks like: Just up or down arrow inside the drop down list to the code snippet that you want to surround your currently selected text with.  Did I mention this is AWESOME! Now it is so simple to surround lines of code with an if-then block or a try-catch-finally block... things that usually took several key clicks and maybe one or two mouse moves. And this works in both Visual Studio 2008 and Visual Studio 2010 which means it has been around for a long time and I never knew about it.   Technorati Tags: Visual Studio Keyboard Shortcut

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• Best Practices - updated: which domain types should be used to run applications

  - by jsavit

  This post is one of a series of "best practices" notes for Oracle VM Server for SPARC (formerly named Logical Domains). This is an updated and enlarged version of the post on this topic originally posted October 2012. One frequent question "what type of domain should I use to run applications?" There used to be a simple answer: "run applications in guest domains in almost all cases", but now there are more things to consider. Enhancements to Oracle VM Server for SPARC and introduction of systems like the current SPARC servers including the T4 and T5 systems, the Oracle SuperCluster T5-8 and Oracle SuperCluster M6-32 provide scale and performance much higher than the original servers that ran domains. Single-CPU performance, I/O capacity, memory sizes, are much larger now, and far more demanding applications are now being hosted in logical domains. The general advice continues to be "use guest domains in almost all cases", meaning, "use virtual I/O rather than physical I/O", unless there is a specific reason to use the other domain types. The sections below will discuss the criteria for choosing between domain types. Review: division of labor and types of domain Oracle VM Server for SPARC offloads management and I/O functionality from the hypervisor to domains (also called virtual machines), providing a modern alternative to older VM architectures that use a "thick", monolithic hypervisor. This permits a simpler hypervisor design, which enhances reliability, and security. It also reduces single points of failure by assigning responsibilities to multiple system components, further improving reliability and security. Oracle VM Server for SPARC defines the following types of domain, each with their own roles: Control domain - management control point for the server, runs the logical domain daemon and constraints engine, and is used to configure domains and manage resources. The control domain is the first domain to boot on a power-up, is always an I/O domain, and is usually a service domain as well. It doesn't have to be, but there's no reason to not leverage it for virtual I/O services. There is one control domain per T-series system, and one per Physical Domain (PDom) on an M5-32 or M6-32 system. M5 and M6 systems can be physically domained, with logical domains within the physical ones. I/O domain - a domain that has been assigned physical I/O devices. The devices may be one more more PCIe root complexes (in which case the domain is also called a root complex domain). The domain has native access to all the devices on the assigned PCIe buses. The devices can be any device type supported by Solaris on the hardware platform. a SR-IOV (Single-Root I/O Virtualization) function. SR-IOV lets a physical device (also called a physical function) or PF) be subdivided into multiple virtual functions (VFs) which can be individually assigned directly to domains. SR-IOV devices currently can be Ethernet or InfiniBand devices. direct I/O ownership of one or more PCI devices residing in a PCIe bus slot. The domain has direct access to the individual devices An I/O domain has native performance and functionality for the devices it owns, unmediated by any virtualization layer. It may also have virtual devices. Service domain - a domain that provides virtual network and disk devices to guest domains. The services are defined by commands that are run in the control domain. It usually is an I/O domain as well, in order for it to have devices to virtualize and serve out. Guest domain - a domain whose devices are all virtual rather than physical: virtual network and disk devices provided by one or more service domains. In common practice, this is where applications are run. Device considerations Consider the following when choosing between virtual devices and physical devices: Virtual devices provide the best flexibility - they can be dynamically added to and removed from a running domain, and you can have a large number of them up to a per-domain device limit. Virtual devices are compatible with live migration - domains that exclusively have virtual devices can be live migrated between servers supporting domains. On the other hand: Physical devices provide the best performance - in fact, native "bare metal" performance. Virtual devices approach physical device throughput and latency, especially with virtual network devices that can now saturate 10GbE links, but physical devices are still faster. Physical I/O devices do not add load to service domains - all the I/O goes directly from the I/O domain to the device, while virtual I/O goes through service domains, which must be provided sufficient CPU and memory capacity. Physical I/O devices can be other than network and disk - we virtualize network, disk, and serial console, but physical devices can be the wide range of attachable certified devices, including things like tape and CDROM/DVD devices. In some cases the lines are now blurred: virtual devices have better performance than previously: starting with Oracle VM Server for SPARC 3.1 there is near-native virtual network performance. There is more flexibility with physical devices than before: SR-IOV devices can now be dynamically reconfigured on domains. Tradeoffs one used to have to make are now relaxed: you can often have the flexibility of virtual I/O with performance that previously required physical I/O. You can have the performance and isolation of SR-IOV with the ability to dynamically reconfigure it, just like with virtual devices. Typical deployment A service domain is generally also an I/O domain: otherwise it wouldn't have access to physical device "backends" to offer to its clients. Similarly, an I/O domain is also typically a service domain in order to leverage the available PCI buses. Control domains must be I/O domains, because they boot up first on the server and require physical I/O. It's typical for the control domain to also be a service domain too so it doesn't "waste" the I/O resources it uses. A simple configuration consists of a control domain that is also the one I/O and service domain, and some number of guest domains using virtual I/O. In production, customers typically use multiple domains with I/O and service roles to eliminate single points of failure, as described in Availability Best Practices - Avoiding Single Points of Failure . Guest domains have virtual disk and virtual devices provisioned from more than one service domain, so failure of a service domain or I/O path or device does not result in an application outage. This also permits "rolling upgrades" in which service domains are upgraded one at a time while their guests continue to operate without disruption. (It should be noted that resiliency to I/O device failures can also be provided by the single control domain, using multi-path I/O) In this type of deployment, control, I/O, and service domains are used for virtualization infrastructure, while applications run in guest domains. Changing application deployment patterns The above model has been widely and successfully used, but more configuration options are available now. Servers got bigger than the original T2000 class machines with 2 I/O buses, so there is more I/O capacity that can be used for applications. Increased server capacity made it attractive to run more vertically-scaled applications, such as databases, with higher resource requirements than the "light" applications originally seen. This made it attractive to run applications in I/O domains so they could get bare-metal native I/O performance. This is leveraged by the Oracle SuperCluster engineered systems mentioned previously. In those engineered systems, I/O domains are used for high performance applications with native I/O performance for disk and network and optimized access to the Infiniband fabric. Another technical enhancement is Single Root I/O Virtualization (SR-IOV), which make it possible to give domains direct connections and native I/O performance for selected I/O devices. Not all I/O domains own PCI complexes, and there are increasingly more I/O domains that are not service domains. They use their I/O connectivity for performance for their own applications. However, there are some limitations and considerations: at this time, a domain using physical I/O cannot be live-migrated to another server. There is also a need to plan for security and introducing unneeded dependencies: if an I/O domain is also a service domain providing virtual I/O to guests, it has the ability to affect the correct operation of its client guest domains. This is even more relevant for the control domain. where the ldm command must be protected from unauthorized (or even mistaken) use that would affect other domains. As a general rule, running applications in the service domain or the control domain should be avoided. For reference, an excellent guide to secure deployment of domains by Stefan Hinker is at Secure Deployment of Oracle VM Server for SPARC. To recap: Guest domains with virtual I/O still provide the greatest operational flexibility, including features like live migration. They should be considered the default domain type to use unless there is a specific requirement that mandates an I/O domain. I/O domains can be used for applications with the highest performance requirements. Single Root I/O Virtualization (SR-IOV) makes this more attractive by giving direct I/O access to more domains, and by permitting dynamic reconfiguration of SR-IOV devices. Today's larger systems provide multiple PCIe buses - for example, 16 buses on the T5-8 - making it possible to configure multiple I/O domains each owning their own bus. Service domains should in general not be used for applications, because compromised security in the domain, or an outage, can affect domains that depend on it. This concern can be mitigated by providing guests' their virtual I/O from more than one service domain, so interruption of service in one service domain does not cause an application outage. The control domain should in general not be used to run applications, for the same reason. Oracle SuperCluster uses the control domain for applications, but it is an exception. It's not a general purpose environment; it's an engineered system with specifically configured applications and optimization for optimal performance. These are recommended "best practices" based on conversations with a number of Oracle architects. Keep in mind that "one size does not fit all", so you should evaluate these practices in the context of your own requirements. Summary Higher capacity servers that run Oracle VM Server for SPARC are attractive for applications with the most demanding resource requirements. New deployment models permit native I/O performance for demanding applications by running them in I/O domains with direct access to their devices. This is leveraged in SPARC SuperCluster, and can be leveraged in T-series servers to provision high-performance applications running in domains. Carefully planned, this can be used to provide peak performance for critical applications. That said, the improved virtual device performance in Oracle VM Server means that the default choice should still be guest domains with virtual I/O.

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• SonicFileFinder 2.2 Released

  - by WeigeltRo

  My colleague Jens Schaller has released a new version of his free Visual Studio add-in SonicFileFinder, adding support for Visual Studio 2010. Announcement on his blog Download on the SonicFileFinder website As far as I can tell, there are no new features compared to version 2.1, but good to know that this add-in is now available for VS2010. For those who a wondering what SonicFileFinder is about: SonicFileFinder implements a command for searching and opening files in a Visual Studio solution, which is very nice especially in large projects. This may sound familiar to users of JetBrain’s ReSharper, which has a “Go To File” feature. But in my opinion SonicFileFinder does a better job overall: While ReSharper (4.5) does a prefix search by default, SonicFileFinder searches for any occurrence of the entered text inside a file name. In a long list of file names (e.g. all starting with “Page…”), this allows me to focus on the part that makes the difference (e.g. “Render” in PageRenderBuffer.cs). In ReSharper I would have to type “*Render*”, which can be shortened to “*Render” (which isn’t even correct). Note that SonicFileFinder does support wildcards, of course.   SonicFileFinder remembers the last input (and thus the last result list) without a noticeable delay of the popup. If I want to search for something different, I can type right away, so this behavior doesn’t slow me down. But where it really shines is when I’m not even sure what file exactly I was looking for – I open one file, notice that it’s not the one I want, re-open the pop-up dialog and now I can choose another one from the result list without re-entering the search text. SonicFileFinder allows me to open multiple files at one (nice for service interfaces and implementations). SonicFileFinder lets me open either a Windows Explorer or Command Line window in the directory containing a specific file.

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• mount network drive

  - by CaptnLenz

  since i updated my ubuntu to natty narwhal(from 10.04), my mount script doesn't work anymore. The scripts mounts a folder from a NAS (WD mybookworld) in the local network to a folder in my home folder. script looked like that: #!/bin/bash sudo mount //192.168.2.222/Public/Shared\ Music/ /home/simon/Musik/ error: mount: wrong fs type, bad option, bad superblock on //192.168.2.222/Public/Shared Music/, missing codepage or helper program, or other error (for several filesystems (e.g. nfs, cifs) you might need a /sbin/mount.<type> helper program) Manchmal liefert das Syslog wertvolle Informationen – versuchen Sie dmesg | tail oder so now, because the script doesn't work anymore i decided to add the mount-process to my fstab, because the network drive should be mounted on every startup. My fstab entry looks like this: //192.168.2.222/Public/Shared\ Music/ /home/simon/Musik cifs credentials=/home/simon/.smbcredentials 0 0 But it doesn't work, too. I get a message during the startup process, that Musik couldn't be mounted. Are there any log files i can check for errors? The system is a fresh installed 11.04. Greetings

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• wifi not recognized

  - by pumper

  I had wifi and worked then some day ubuntu asked me to update some packeages and restarted the system and after that no wifi. this is my wireless_script output : ########## wireless info START ########## ##### release ##### Distributor ID: Ubuntu Description: Ubuntu 14.04 LTS Release: 14.04 Codename: trusty ##### kernel ##### Linux S510p 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux ##### lspci ##### 02:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter [168c:0036] (rev 01) Subsystem: Lenovo Device [17aa:3026] Kernel driver in use: ath9k 03:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8162 Fast Ethernet [1969:1090] (rev 10) Subsystem: Lenovo Device [17aa:3807] Kernel driver in use: alx ##### lsusb ##### Bus 001 Device 006: ID 0eef:a111 D-WAV Scientific Co., Ltd Bus 001 Device 007: ID 0cf3:3004 Atheros Communications, Inc. Bus 001 Device 004: ID 174f:1488 Syntek Bus 001 Device 003: ID 03f0:5607 Hewlett-Packard Bus 001 Device 002: ID 8087:8000 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 002: ID 15d9:0a4c Trust International B.V. USB+PS/2 Optical Mouse Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub ##### PCMCIA Card Info ##### ##### rfkill ##### 0: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: no 1: ideapad_bluetooth: Bluetooth Soft blocked: no Hard blocked: no 2: phy0: Wireless LAN Soft blocked: no Hard blocked: no 3: hci0: Bluetooth Soft blocked: no Hard blocked: no ##### iw reg get ##### country 00: (2402 - 2472 @ 40), (3, 20) (2457 - 2482 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS (2474 - 2494 @ 20), (3, 20), NO-OFDM, PASSIVE-SCAN, NO-IBSS (5170 - 5250 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS (5735 - 5835 @ 40), (3, 20), PASSIVE-SCAN, NO-IBSS ##### interfaces ##### # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback auto dsl-provider iface dsl-provider inet ppp pre-up /sbin/ifconfig wlan0 up # line maintained by pppoeconf provider dsl-provider auto wlan0 iface wlan0 inet manual ##### iwconfig ##### wlan0 IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=16 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off ##### route ##### Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface ##### resolv.conf ##### ##### nm-tool ##### NetworkManager Tool State: connected (global) - Device: eth0 ----------------------------------------------------------------- Type: Wired Driver: alx State: unavailable Default: no HW Address: <MAC address removed> Capabilities: Carrier Detect: yes Wired Properties Carrier: off - Device: wlan0 ---------------------------------------------------------------- Type: 802.11 WiFi Driver: ath9k State: unmanaged Default: no HW Address: <MAC address removed> Capabilities: Wireless Properties WEP Encryption: yes WPA Encryption: yes WPA2 Encryption: yes Wireless Access Points ##### NetworkManager.state ##### [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true ##### NetworkManager.conf ##### [main] plugins=ifupdown,keyfile,ofono dns=dnsmasq no-auto-default=<MAC address removed>, [ifupdown] managed=false ##### iwlist ##### wlan0 Scan completed : Cell 01 - Address: <MAC address removed> Channel:1 Frequency:2.412 GHz (Channel 1) Quality=55/70 Signal level=-55 dBm Encryption key:on ESSID:"mohsen" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s 9 Mb/s; 12 Mb/s; 18 Mb/s Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s Mode:Master Extra:tsf=000000076c342498 Extra: Last beacon: 12ms ago IE: Unknown: 00066D6F6873656E IE: Unknown: 010882848B960C121824 IE: Unknown: 030101 IE: Unknown: 2A0104 IE: Unknown: 32043048606C ##### iwlist channel ##### wlan0 13 channels in total; available frequencies : Channel 01 : 2.412 GHz Channel 02 : 2.417 GHz Channel 03 : 2.422 GHz Channel 04 : 2.427 GHz Channel 05 : 2.432 GHz Channel 06 : 2.437 GHz Channel 07 : 2.442 GHz Channel 08 : 2.447 GHz Channel 09 : 2.452 GHz Channel 10 : 2.457 GHz Channel 11 : 2.462 GHz Channel 12 : 2.467 GHz Channel 13 : 2.472 GHz ##### lsmod ##### ath3k 13318 0 bluetooth 395423 23 bnep,ath3k,btusb,rfcomm ath9k 164164 0 ath9k_common 13551 1 ath9k ath9k_hw 453856 2 ath9k_common,ath9k ath 28698 3 ath9k_common,ath9k,ath9k_hw mac80211 626489 1 ath9k cfg80211 484040 3 ath,ath9k,mac80211 ##### modinfo ##### filename: /lib/modules/3.13.0-24-generic/kernel/drivers/bluetooth/ath3k.ko firmware: ath3k-1.fw license: GPL version: 1.0 description: Atheros AR30xx firmware driver author: Atheros Communications srcversion: 98A5245588C09E5E41690D0 alias: usb:v0489pE036d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0489pE03Cd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0489pE02Cd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3pE003d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3p3121d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v13D3p3402d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v04C5p1330d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0489pE04Dd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0489pE056d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0489pE04Ed*dc*dsc*dp*ic*isc*ip*in* alias: usb:v13D3p3393d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0489pE057d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0930p0220d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0930p0219d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3pE005d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3pE004d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v13D3p3362d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v04CAp3008d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v04CAp3006d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v04CAp3005d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v04CAp3004d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v13D3p3375d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3p817Ad*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3p311Dd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3p3008d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3p3004d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3p0036d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v03F0p311Dd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0489pE027d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0489pE03Dd*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0930p0215d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v13D3p3304d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3pE019d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3p3002d*dc*dsc*dp*ic*isc*ip*in* alias: usb:v0CF3p3000d*dc*dsc*dp*ic*isc*ip*in* depends: bluetooth intree: Y vermagic: 3.13.0-24-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: <MAC address removed>:D9:06:21:70:6E:8D:06:60:4D:73:0B:35:9F:C0 sig_hashalgo: sha512 filename: /lib/modules/3.13.0-24-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k.ko license: Dual BSD/GPL description: Support for Atheros 802.11n wireless LAN cards. author: Atheros Communications srcversion: BAF225EEB618908380B28DA alias: platform:qca955x_wmac alias: platform:ar934x_wmac alias: platform:ar933x_wmac alias: platform:ath9k alias: pci:v0000168Cd00000036sv*sd*bc*sc*i* alias: pci:v0000168Cd00000036sv0000185Fsd00003027bc*sc*i* alias: pci:v0000168Cd00000036sv00001B9Asd00002810bc*sc*i* alias: pci:v0000168Cd00000036sv0000144Fsd00007202bc*sc*i* alias: pci:v0000168Cd00000036sv00001A3Bsd00002130bc*sc*i* alias: pci:v0000168Cd00000036sv000011ADsd00000612bc*sc*i* alias: pci:v0000168Cd00000036sv000011ADsd00000652bc*sc*i* alias: pci:v0000168Cd00000036sv000011ADsd00000642bc*sc*i* alias: pci:v0000168Cd00000036sv0000168Csd0000302Cbc*sc*i* alias: pci:v0000168Cd00000036sv0000168Csd00003027bc*sc*i* alias: pci:v0000168Cd00000036sv0000144Dsd0000411Ebc*sc*i* alias: pci:v0000168Cd00000036sv0000144Dsd0000411Dbc*sc*i* alias: pci:v0000168Cd00000036sv0000144Dsd0000411Cbc*sc*i* alias: pci:v0000168Cd00000036sv0000144Dsd0000411Bbc*sc*i* alias: pci:v0000168Cd00000036sv0000144Dsd0000411Abc*sc*i* alias: pci:v0000168Cd00000036sv00001028sd0000020Ebc*sc*i* alias: pci:v0000168Cd00000036sv0000103Csd0000217Fbc*sc*i* alias: pci:v0000168Cd00000036sv0000103Csd000018E3bc*sc*i* alias: pci:v0000168Cd00000036sv000017AAsd00003026bc*sc*i* alias: pci:v0000168Cd00000036sv00001A3Bsd0000213Abc*sc*i* alias: pci:v0000168Cd00000036sv000011ADsd00000662bc*sc*i* alias: pci:v0000168Cd00000036sv000011ADsd00000672bc*sc*i* alias: pci:v0000168Cd00000036sv000011ADsd00000622bc*sc*i* alias: pci:v0000168Cd00000036sv0000185Fsd00003028bc*sc*i* alias: pci:v0000168Cd00000036sv0000105Bsd0000E069bc*sc*i* alias: pci:v0000168Cd00000036sv0000168Csd0000302Bbc*sc*i* alias: pci:v0000168Cd00000036sv0000168Csd00003026bc*sc*i* alias: pci:v0000168Cd00000036sv0000168Csd00003025bc*sc*i* alias: pci:v0000168Cd00000036sv00001B9Asd00002812bc*sc*i* alias: pci:v0000168Cd00000036sv00001B9Asd00002811bc*sc*i* alias: pci:v0000168Cd00000036sv000011ADsd00006671bc*sc*i* alias: pci:v0000168Cd00000036sv000011ADsd00000632bc*sc*i* alias: pci:v0000168Cd00000036sv0000185Fsd0000A119bc*sc*i* alias: pci:v0000168Cd00000036sv0000105Bsd0000E068bc*sc*i* alias: pci:v0000168Cd00000036sv00001A3Bsd00002176bc*sc*i* alias: pci:v0000168Cd00000036sv0000168Csd00003028bc*sc*i* alias: pci:v0000168Cd00000037sv*sd*bc*sc*i* alias: pci:v0000168Cd00000034sv*sd*bc*sc*i* alias: pci:v0000168Cd00000034sv000010CFsd00001783bc*sc*i* alias: pci:v0000168Cd00000034sv000014CDsd00000064bc*sc*i* alias: pci:v0000168Cd00000034sv000014CDsd00000063bc*sc*i* alias: pci:v0000168Cd00000034sv0000103Csd00001864bc*sc*i* alias: pci:v0000168Cd00000034sv000011ADsd00006641bc*sc*i* alias: pci:v0000168Cd00000034sv000011ADsd00006631bc*sc*i* alias: pci:v0000168Cd00000034sv00001043sd0000850Ebc*sc*i* alias: pci:v0000168Cd00000034sv00001A3Bsd00002110bc*sc*i* alias: pci:v0000168Cd00000034sv00001969sd00000091bc*sc*i* alias: pci:v0000168Cd00000034sv000017AAsd00003214bc*sc*i* alias: pci:v0000168Cd00000034sv0000168Csd00003117bc*sc*i* alias: pci:v0000168Cd00000034sv000011ADsd00006661bc*sc*i* alias: pci:v0000168Cd00000034sv00001A3Bsd00002116bc*sc*i* alias: pci:v0000168Cd00000033sv*sd*bc*sc*i* alias: pci:v0000168Cd00000032sv*sd*bc*sc*i* alias: pci:v0000168Cd00000032sv00001043sd0000850Dbc*sc*i* alias: pci:v0000168Cd00000032sv00001B9Asd00001C01bc*sc*i* alias: pci:v0000168Cd00000032sv00001B9Asd00001C00bc*sc*i* alias: pci:v0000168Cd00000032sv00001A3Bsd00001F95bc*sc*i* alias: pci:v0000168Cd00000032sv00001A3Bsd00001195bc*sc*i* alias: pci:v0000168Cd00000032sv00001A3Bsd00001F86bc*sc*i* alias: pci:v0000168Cd00000032sv00001A3Bsd00001186bc*sc*i* alias: pci:v0000168Cd00000032sv00001B9Asd00002001bc*sc*i* alias: pci:v0000168Cd00000032sv00001B9Asd00002000bc*sc*i* alias: pci:v0000168Cd00000032sv0000144Fsd00007197bc*sc*i* alias: pci:v0000168Cd00000032sv0000105Bsd0000E04Fbc*sc*i* alias: pci:v0000168Cd00000032sv0000105Bsd0000E04Ebc*sc*i* alias: pci:v0000168Cd00000032sv000011ADsd00006628bc*sc*i* alias: pci:v0000168Cd00000032sv000011ADsd00006627bc*sc*i* alias: pci:v0000168Cd00000032sv00001C56sd00004001bc*sc*i* alias: pci:v0000168Cd00000032sv00001A3Bsd00002100bc*sc*i* alias: pci:v0000168Cd00000032sv00001A3Bsd00002C97bc*sc*i* alias: pci:v0000168Cd00000032sv000017AAsd00003219bc*sc*i* alias: pci:v0000168Cd00000032sv000017AAsd00003218bc*sc*i* alias: pci:v0000168Cd00000032sv0000144Dsd0000C708bc*sc*i* alias: pci:v0000168Cd00000032sv0000144Dsd0000C680bc*sc*i* alias: pci:v0000168Cd00000032sv0000144Dsd0000C706bc*sc*i* alias: pci:v0000168Cd00000032sv0000144Dsd0000410Fbc*sc*i* alias: pci:v0000168Cd00000032sv0000144Dsd0000410Ebc*sc*i* alias: pci:v0000168Cd00000032sv0000144Dsd0000410Dbc*sc*i* alias: pci:v0000168Cd00000032sv0000144Dsd00004106bc*sc*i* alias: pci:v0000168Cd00000032sv0000144Dsd00004105bc*sc*i* alias: pci:v0000168Cd00000032sv0000185Fsd00003027bc*sc*i* alias: pci:v0000168Cd00000032sv0000185Fsd00003119bc*sc*i* alias: pci:v0000168Cd00000032sv0000168Csd00003122bc*sc*i* alias: pci:v0000168Cd00000032sv0000168Csd00003119bc*sc*i* alias: pci:v0000168Cd00000032sv0000105Bsd0000E075bc*sc*i* alias: pci:v0000168Cd00000032sv00001A3Bsd00002152bc*sc*i* alias: pci:v0000168Cd00000032sv00001A3Bsd0000126Abc*sc*i* alias: pci:v0000168Cd00000032sv00001A3Bsd00002126bc*sc*i* alias: pci:v0000168Cd00000032sv00001A3Bsd00001237bc*sc*i* alias: pci:v0000168Cd00000032sv00001A3Bsd00002086bc*sc*i* alias: pci:v0000168Cd00000030sv*sd*bc*sc*i* alias: pci:v0000168Cd0000002Esv*sd*bc*sc*i* alias: pci:v0000168Cd0000002Dsv*sd*bc*sc*i* alias: pci:v0000168Cd0000002Csv*sd*bc*sc*i* alias: pci:v0000168Cd0000002Bsv*sd*bc*sc*i* alias: pci:v0000168Cd0000002Bsv00001A3Bsd00002C37bc*sc*i* alias: pci:v0000168Cd0000002Asv000010CFsd00001536bc*sc*i* alias: pci:v0000168Cd0000002Asv000010CFsd0000147Dbc*sc*i* alias: pci:v0000168Cd0000002Asv000010CFsd0000147Cbc*sc*i* alias: pci:v0000168Cd0000002Asv0000185Fsd0000309Dbc*sc*i* alias: pci:v0000168Cd0000002Asv00001A32sd00000306bc*sc*i* alias: pci:v0000168Cd0000002Asv000011ADsd00006642bc*sc*i* alias: pci:v0000168Cd0000002Asv000011ADsd00006632bc*sc*i* alias: pci:v0000168Cd0000002Asv0000105Bsd0000E01Fbc*sc*i* alias: pci:v0000168Cd0000002Asv00001A3Bsd00001C71bc*sc*i* alias: pci:v0000168Cd0000002Asv*sd*bc*sc*i* alias: pci:v0000168Cd00000029sv*sd*bc*sc*i* alias: pci:v0000168Cd00000027sv*sd*bc*sc*i* alias: pci:v0000168Cd00000024sv*sd*bc*sc*i* alias: pci:v0000168Cd00000023sv*sd*bc*sc*i* depends: ath9k_hw,mac80211,ath9k_common,cfg80211,ath intree: Y vermagic: 3.13.0-24-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: <MAC address removed>:D9:06:21:70:6E:8D:06:60:4D:73:0B:35:9F:C0 sig_hashalgo: sha512 parm: debug:Debugging mask (uint) parm: nohwcrypt:Disable hardware encryption (int) parm: blink:Enable LED blink on activity (int) parm: btcoex_enable:Enable wifi-BT coexistence (int) parm: bt_ant_diversity:Enable WLAN/BT RX antenna diversity (int) parm: ps_enable:Enable WLAN PowerSave (int) filename: /lib/modules/3.13.0-24-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_common.ko license: Dual BSD/GPL description: Shared library for Atheros wireless 802.11n LAN cards. author: Atheros Communications srcversion: 696B00A6C59713EC0966997 depends: ath,ath9k_hw intree: Y vermagic: 3.13.0-24-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: <MAC address removed>:D9:06:21:70:6E:8D:06:60:4D:73:0B:35:9F:C0 sig_hashalgo: sha512 filename: /lib/modules/3.13.0-24-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_hw.ko license: Dual BSD/GPL description: Support for Atheros 802.11n wireless LAN cards. author: Atheros Communications srcversion: 4809F3842A0542CD6B556D3 depends: ath intree: Y vermagic: 3.13.0-24-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: <MAC address removed>:D9:06:21:70:6E:8D:06:60:4D:73:0B:35:9F:C0 sig_hashalgo: sha512 filename: /lib/modules/3.13.0-24-generic/kernel/drivers/net/wireless/ath/ath.ko license: Dual BSD/GPL description: Shared library for Atheros wireless LAN cards. author: Atheros Communications srcversion: 88A67C5359B02C5A710AFCF depends: cfg80211 intree: Y vermagic: 3.13.0-24-generic SMP mod_unload modversions signer: Magrathea: Glacier signing key sig_key: <MAC address removed>:D9:06:21:70:6E:8D:06:60:4D:73:0B:35:9F:C0 sig_hashalgo: sha512 ##### modules ##### lp rtc ##### blacklist ##### [/etc/modprobe.d/blacklist-ath_pci.conf] blacklist ath_pci [/etc/modprobe.d/blacklist.conf] blacklist evbug blacklist usbmouse blacklist usbkbd blacklist eepro100 blacklist de4x5 blacklist eth1394 blacklist snd_intel8x0m blacklist snd_aw2 blacklist i2c_i801 blacklist prism54 blacklist bcm43xx blacklist garmin_gps blacklist asus_acpi blacklist snd_pcsp blacklist pcspkr blacklist amd76x_edac [/etc/modprobe.d/fbdev-blacklist.conf] blacklist arkfb blacklist aty128fb blacklist atyfb blacklist radeonfb blacklist cirrusfb blacklist cyber2000fb blacklist gx1fb blacklist gxfb blacklist kyrofb blacklist matroxfb_base blacklist mb862xxfb blacklist neofb blacklist nvidiafb blacklist pm2fb blacklist pm3fb blacklist s3fb blacklist savagefb blacklist sisfb blacklist tdfxfb blacklist tridentfb blacklist viafb blacklist vt8623fb ##### udev rules ##### # PCI device 0x1969:0x1090 (alx) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC address removed>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" # PCI device 0x168c:0x0036 (ath9k) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="<MAC address removed>", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0" ##### dmesg ##### [ 1.707662] psmouse serio1: elantech: assuming hardware version 3 (with firmware version 0x450f03) [ 11.918852] ath: phy0: WB335 1-ANT card detected [ 11.918856] ath: phy0: Set BT/WLAN RX diversity capability [ 11.926438] ath: phy0: Enable LNA combining [ 11.928469] ath: phy0: ASPM enabled: 0x42 [ 11.928473] ath: EEPROM regdomain: 0x65 [ 11.928475] ath: EEPROM indicates we should expect a direct regpair map [ 11.928478] ath: Country alpha2 being used: 00 [ 11.928479] ath: Regpair used: 0x65 [ 14.066021] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready ########## wireless info END ############

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• Including Overestimates in MSF Agile Burndown Report

  After using the MSF Agile Burndown report for a few weeks in our new TFS 2010 environment, I have to say I am a huge fan.  I especially find the assignment of Work (hours) portion to be very useful in motivating the team to keep their tasks up to date every day.  Here is a view of the report that you get out of the box. However, I have one problem.  Id like the top line to have some more meaning.  Specifically, when it is changing is that an indication of scope creep, mis-estimation or a combination of the two.  So, today I decided to try to build in a view that would show overestimated time.  This would give me a more consistent top line.  My idea was to add another visual area on top of the graph whenever my originally estimated time was greater than the sum of completed and remaining.  This will effectively show me at least when the top line goes down whether it was scope change or over-estimation. Here is the final result. How did I do it?  Step 1: Add Cumulative_Original_Estimate field to the dsBurndown My approach was to follow the pattern where the completed time is included in the burndown chart and add my Overestimated hours.  First I added a field to the dsBurndown to hold the estimated time.         <Field Name="Cumulative_Original_Estimate">           <DataField><?xml version="1.0" encoding="utf-8"?><Field xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xsi:type="Measure" UniqueName="[Measures].[Microsoft_VSTS_Scheduling_OriginalEstimate]" /></DataField>           <rd:TypeName>System.Int32</rd:TypeName>         </Field> Step 2: Add a column to the query SELECT {     [Measures].[DateValue],     [Measures].[Work Item Count],     [Measures].[Microsoft_VSTS_Scheduling_RemainingWork],     [Measures].[Microsoft_VSTS_Scheduling_CompletedWork],     [Measures].[Microsoft_VSTS_Scheduling_OriginalEstimate],     [Measures].[RemainingWorkLine],     [Measures].[CountLine] Step 3: Add a new Item to the QueryDefinition <Item> <ID xsi:type="Measure"> <MeasureName>Microsoft_VSTS_Scheduling_OriginalEstimate</MeasureName> <UniqueName>[Measures].[Microsoft_VSTS_Scheduling_OriginalEstimate]</UniqueName> </ID> <ItemCaption>Cumulative Original Estimate</ItemCaption> <FormattedValue>true</FormattedValue> </Item> Step 4: Add a new ChartMember to DundasChartControl1 The burndown chart is called DundasChartControl1.  I need to add a ChartMember for the estimated time. <ChartMember>   <Label>Cumulative Original Estimate</Label> </ChartMember> Step 5: Add a ChartSeries to show the Overestimated Time <ChartSeries Name="OriginalEstimate">   <Hidden>=IIF(Parameters!YAxis.Value="count",True,False)</Hidden>   <ChartDataPoints>     <ChartDataPoint>       <ChartDataPointValues>         <Y>=IIF(Parameters!YAxis.Value = "hours", IIF(SUM(Fields!Cumulative_Original_Estimate.Value)>SUM(Fields!Cumulative_Completed_Work.Value+Fields!Cumulative_Remaining_Work.Value), SUM(Fields!Cumulative_Original_Estimate.Value-(Fields!Cumulative_Completed_Work.Value+Fields!Cumulative_Remaining_Work.Value)),Nothing),Nothing)</Y>       </ChartDataPointValues>       <ChartDataLabel>         <Style>           <FontFamily>Microsoft Sans Serif</FontFamily>           <FontSize>8pt</FontSize>         </Style>       </ChartDataLabel>       <Style>         <Border>           <Color>#9bdb00</Color>           <Width>0.75pt</Width>         </Border>         <Color>#666666</Color>         <BackgroundGradientEndColor>#666666</BackgroundGradientEndColor>       </Style>       <ChartMarker>         <Style />       </ChartMarker>       <CustomProperties>         <CustomProperty>           <Name>LabelStyle</Name>           <Value>Top</Value>         </CustomProperty>       </CustomProperties>     </ChartDataPoint>   </ChartDataPoints>   <Type>Area</Type>   <Subtype>Stacked</Subtype>   <Style />   <ChartEmptyPoints>     <Style>       <Color>#00ffffff</Color>     </Style>     <ChartMarker>       <Style />     </ChartMarker>     <ChartDataLabel>       <Style />     </ChartDataLabel>   </ChartEmptyPoints>   <LegendName>Default</LegendName>   <ChartItemInLegend>     <LegendText>Overestimated Hours</LegendText>   </ChartItemInLegend>   <ChartAreaName>Default</ChartAreaName>   <ValueAxisName>Primary</ValueAxisName>   <CategoryAxisName>Primary</CategoryAxisName>   <ChartSmartLabel>     <Disabled>true</Disabled>     <MaxMovingDistance>22.5pt</MaxMovingDistance>   </ChartSmartLabel> </ChartSeries> Thats it.  I find the improved report to add some value over the out of the box version.  You can download the updated rdl for the report here.  Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Metro: Creating a Master/Detail View with a WinJS ListView Control

  - by Stephen.Walther

  The goal of this blog entry is to explain how you can create a simple master/detail view by using the WinJS ListView and Template controls. In particular, I explain how you can use a ListView control to display a list of movies and how you can use a Template control to display the details of the selected movie. Creating a master/detail view requires completing the following four steps: Create the data source – The data source contains the list of movies. Declare the ListView control – The ListView control displays the entire list of movies. It is the master part of the master/detail view. Declare the Details Template control – The Details Template control displays the details for the selected movie. It is the details part of the master/detail view. Handle the selectionchanged event – You handle the selectionchanged event to display the details for a movie when a new movie is selected. Creating the Data Source There is nothing special about our data source. We initialize a WinJS.Binding.List object to represent a list of movies: (function () { "use strict"; var movies = new WinJS.Binding.List([ { title: "Star Wars", director: "Lucas"}, { title: "Shrek", director: "Adamson" }, { title: "Star Trek", director: "Abrams" }, { title: "Spiderman", director: "Raimi" }, { title: "Memento", director: "Nolan" }, { title: "Minority Report", director: "Spielberg" } ]); // Expose the data source WinJS.Namespace.define("ListViewDemos", { movies: movies }); })(); The data source is exposed to the rest of our application with the name ListViewDemos.movies. Declaring the ListView Control The ListView control is declared with the following markup: <div id="movieList" data-win-control="WinJS.UI.ListView" data-win-options="{ itemDataSource: ListViewDemos.movies.dataSource, itemTemplate: select('#masterItemTemplate'), tapBehavior: 'directSelect', selectionMode: 'single', layout: { type: WinJS.UI.ListLayout } }"> </div> The data-win-options attribute is used to set the following properties of the ListView control: itemDataSource – The ListView is bound to the list of movies which we created in the previous section. Notice that the ListView is bound to ListViewDemos.movies.dataSource and not just ListViewDemos.movies. itemTemplate – The item template contains the template used for rendering each item in the ListView. The markup for this template is included below. tabBehavior – This enumeration determines what happens when you tap or click on an item in the ListView. The possible values are directSelect, toggleSelect, invokeOnly, none. Because we want to handle the selectionchanged event, we set tapBehavior to the value directSelect. selectionMode – This enumeration determines whether you can select multiple items or only a single item. The possible values are none, single, multi. In the code above, this property is set to the value single. layout – You can use ListLayout or GridLayout with a ListView. If you want to display a vertical ListView, then you should select ListLayout. You must associate a ListView with an item template if you want to render anything interesting. The ListView above is associated with an item template named #masterItemTemplate. Here’s the markup for the masterItemTemplate: <div id="masterItemTemplate" data-win-control="WinJS.Binding.Template"> <div class="movie"> <span data-win-bind="innerText:title"></span> </div> </div> This template simply renders the title of each movie. Declaring the Details Template Control The details part of the master/detail view is created with the help of a Template control. Here’s the markup used to declare the Details Template control: <div id="detailsTemplate" data-win-control="WinJS.Binding.Template"> <div> <div> Title: <span data-win-bind="innerText:title"></span> </div> <div> Director: <span data-win-bind="innerText:director"></span> </div> </div> </div> The Details Template control displays the movie title and director.   Handling the selectionchanged Event The ListView control can raise two types of events: the iteminvoked and selectionchanged events. The iteminvoked event is raised when you click on a ListView item. The selectionchanged event is raised when one or more ListView items are selected. When you set the tapBehavior property of the ListView control to the value “directSelect” then tapping or clicking a list item raised both the iteminvoked and selectionchanged event. Tapping a list item causes the item to be selected and the item appears with a checkmark. In our code, we handle the selectionchanged event to update the movie details Template when you select a new movie. Here’s the code from the default.js file used to handle the selectionchanged event: var movieList = document.getElementById("movieList"); var detailsTemplate = document.getElementById("detailsTemplate"); var movieDetails = document.getElementById("movieDetails"); // Setup selectionchanged handler movieList.winControl.addEventListener("selectionchanged", function (evt) { if (movieList.winControl.selection.count() > 0) { movieList.winControl.selection.getItems().then(function (items) { // Clear the template container movieDetails.innerHTML = ""; // Render the template detailsTemplate.winControl.render(items[0].data, movieDetails); }); } }); The code above sets up an event handler (listener) for the selectionchanged event. The event handler first verifies that an item has been selected in the ListView (selection.count() > 0). Next, the details for the movie are rendered using the movie details Template (we created this Template in the previous section). The Complete Code For the sake of completeness, I’ve included the complete code for the master/detail view below. I’ve included both the default.html, default.js, and movies.js files. Here is the final code for the default.html file: <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>ListViewMasterDetail</title> <!-- WinJS references --> <link href="//Microsoft.WinJS.0.6/css/ui-dark.css" rel="stylesheet"> <script src="//Microsoft.WinJS.0.6/js/base.js"></script> <script src="//Microsoft.WinJS.0.6/js/ui.js"></script> <!-- ListViewMasterDetail references --> <link href="/css/default.css" rel="stylesheet"> <script src="/js/default.js"></script> <script type="text/javascript" src="js/movies.js"></script> <style type="text/css"> body { font-size: xx-large; } .movie { padding: 5px; } #masterDetail { display: -ms-box; } #movieList { width: 300px; margin: 20px; } #movieDetails { margin: 20px; } </style> </head> <body> <!-- Templates --> <div id="masterItemTemplate" data-win-control="WinJS.Binding.Template"> <div class="movie"> <span data-win-bind="innerText:title"></span> </div> </div> <div id="detailsTemplate" data-win-control="WinJS.Binding.Template"> <div> <div> Title: <span data-win-bind="innerText:title"></span> </div> <div> Director: <span data-win-bind="innerText:director"></span> </div> </div> </div> <!-- Master/Detail --> <div id="masterDetail"> <!-- Master --> <div id="movieList" data-win-control="WinJS.UI.ListView" data-win-options="{ itemDataSource: ListViewDemos.movies.dataSource, itemTemplate: select('#masterItemTemplate'), tapBehavior: 'directSelect', selectionMode: 'single', layout: { type: WinJS.UI.ListLayout } }"> </div> <!-- Detail --> <div id="movieDetails"></div> </div> </body> </html> Here is the default.js file: (function () { "use strict"; var app = WinJS.Application; app.onactivated = function (eventObject) { if (eventObject.detail.kind === Windows.ApplicationModel.Activation.ActivationKind.launch) { WinJS.UI.processAll(); var movieList = document.getElementById("movieList"); var detailsTemplate = document.getElementById("detailsTemplate"); var movieDetails = document.getElementById("movieDetails"); // Setup selectionchanged handler movieList.winControl.addEventListener("selectionchanged", function (evt) { if (movieList.winControl.selection.count() > 0) { movieList.winControl.selection.getItems().then(function (items) { // Clear the template container movieDetails.innerHTML = ""; // Render the template detailsTemplate.winControl.render(items[0].data, movieDetails); }); } }); } }; app.start(); })();   Here is the movies.js file: (function () { "use strict"; var movies = new WinJS.Binding.List([ { title: "Star Wars", director: "Lucas"}, { title: "Shrek", director: "Adamson" }, { title: "Star Trek", director: "Abrams" }, { title: "Spiderman", director: "Raimi" }, { title: "Memento", director: "Nolan" }, { title: "Minority Report", director: "Spielberg" } ]); // Expose the data source WinJS.Namespace.define("ListViewDemos", { movies: movies }); })();   Summary The purpose of this blog entry was to describe how to create a simple master/detail view by taking advantage of the WinJS ListView control. We handled the selectionchanged event of the ListView control to display movie details when you select a movie in the ListView.

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• How to mount a blu-ray drive?

  - by Stephan Schielke

  Maybe it is for the best to close this question. This has nothing to do with a bluray drive in general anymore. Probably a hardware defect. I will try to test it with a windows system and different cables again... Thx so far. I have a bluray/dvd/cdrom drive with SATA. Ubuntu wont find it under /dev/sd wodim --devices wodim: Overview of accessible drives (1 found) : ------------------------------------------------------------------------- 0 dev='/dev/sg2' rwrw-- : 'HL-DT-ST' 'BDDVDRW CH08LS10' ------------------------------------------------------------------------- cdrecord -scanbus scsibus2: 2,0,0 200) 'HL-DT-ST' 'BDDVDRW CH08LS10' '2.00' Removable CD-ROM fdisk dont even lists it. Ubuntu only automounts blank DVDs, but neither CDROM nor Blurays. I also changed the sata slot, sata cable and the power cable. The drive works with a windows system. This happens when I try to mount: sudo mount -t auto /dev/scd0 /media/bluray mount: you must specify the filesystem type I tried all filesystems there are. I also installed makemkv. It finds the drive but not the disc. Here is my /dev ls -al /dev total 12 drwxr-xr-x 17 root root 4420 2011-11-25 19:36 . drwxr-xr-x 28 root root 4096 2011-11-25 07:12 .. crw------- 1 root root 10, 235 2011-11-25 19:28 autofs -rw-r--r-- 1 root root 630 2011-11-25 19:28 .blkid.tab -rw-r--r-- 1 root root 630 2011-11-25 19:28 .blkid.tab.old drwxr-xr-x 2 root root 700 2011-11-25 19:27 block drwxr-xr-x 2 root root 100 2011-11-25 19:27 bsg crw------- 1 root root 10, 234 2011-11-25 19:28 btrfs-control drwxr-xr-x 3 root root 60 2011-11-25 19:27 bus drwxr-xr-x 2 root root 3820 2011-11-25 19:28 char crw------- 1 root root 5, 1 2011-11-25 19:28 console lrwxrwxrwx 1 root root 11 2011-11-25 19:28 core -> /proc/kcore drwxr-xr-x 2 root root 60 2011-11-25 19:28 cpu crw------- 1 root root 10, 60 2011-11-25 19:28 cpu_dma_latency drwxr-xr-x 7 root root 140 2011-11-25 19:27 disk crw------- 1 root root 10, 61 2011-11-25 19:28 ecryptfs crw-rw---- 1 root video 29, 0 2011-11-25 19:28 fb0 lrwxrwxrwx 1 root root 13 2011-11-25 19:28 fd -> /proc/self/fd crw-rw-rw- 1 root root 1, 7 2011-11-25 19:28 full crw-rw-rw- 1 root fuse 10, 229 2011-11-25 19:28 fuse crw------- 1 root root 251, 0 2011-11-25 19:28 hidraw0 crw------- 1 root root 251, 1 2011-11-25 19:28 hidraw1 crw------- 1 root root 10, 228 2011-11-25 19:28 hpet lrwxrwxrwx 1 root root 14 2011-11-25 19:27 .initramfs -> /run/initramfs drwxr-xr-x 4 root root 220 2011-11-25 19:28 input crw------- 1 root root 1, 11 2011-11-25 19:28 kmsg srw-rw-rw- 1 root root 0 2011-11-25 19:28 log brw-rw---- 1 root disk 7, 0 2011-11-25 19:28 loop0 brw-rw---- 1 root disk 7, 1 2011-11-25 19:28 loop1 brw-rw---- 1 root disk 7, 2 2011-11-25 19:28 loop2 brw-rw---- 1 root disk 7, 3 2011-11-25 19:28 loop3 brw-rw---- 1 root disk 7, 4 2011-11-25 19:28 loop4 brw-rw---- 1 root disk 7, 5 2011-11-25 19:28 loop5 brw-rw---- 1 root disk 7, 6 2011-11-25 19:28 loop6 brw-rw---- 1 root disk 7, 7 2011-11-25 19:28 loop7 drwxr-xr-x 2 root root 60 2011-11-25 19:27 mapper crw------- 1 root root 10, 227 2011-11-25 19:28 mcelog crw-r----- 1 root kmem 1, 1 2011-11-25 19:28 mem drwxr-xr-x 2 root root 60 2011-11-25 19:27 net crw------- 1 root root 10, 59 2011-11-25 19:28 network_latency crw------- 1 root root 10, 58 2011-11-25 19:28 network_throughput crw-rw-rw- 1 root root 1, 3 2011-11-25 19:28 null crw-rw-rw- 1 root root 195, 0 2011-11-25 19:28 nvidia0 crw-rw-rw- 1 root root 195, 255 2011-11-25 19:28 nvidiactl crw------- 1 root root 1, 12 2011-11-25 19:28 oldmem crw-r----- 1 root kmem 1, 4 2011-11-25 19:28 port crw------- 1 root root 108, 0 2011-11-25 19:28 ppp crw------- 1 root root 10, 1 2011-11-25 19:28 psaux crw-rw-rw- 1 root tty 5, 2 2011-11-25 20:00 ptmx drwxr-xr-x 2 root root 0 2011-11-25 19:27 pts brw-rw---- 1 root disk 1, 0 2011-11-25 19:28 ram0 brw-rw---- 1 root disk 1, 1 2011-11-25 19:28 ram1 brw-rw---- 1 root disk 1, 10 2011-11-25 19:28 ram10 brw-rw---- 1 root disk 1, 11 2011-11-25 19:28 ram11 brw-rw---- 1 root disk 1, 12 2011-11-25 19:28 ram12 brw-rw---- 1 root disk 1, 13 2011-11-25 19:28 ram13 brw-rw---- 1 root disk 1, 14 2011-11-25 19:28 ram14 brw-rw---- 1 root disk 1, 15 2011-11-25 19:28 ram15 brw-rw---- 1 root disk 1, 2 2011-11-25 19:28 ram2 brw-rw---- 1 root disk 1, 3 2011-11-25 19:28 ram3 brw-rw---- 1 root disk 1, 4 2011-11-25 19:28 ram4 brw-rw---- 1 root disk 1, 5 2011-11-25 19:28 ram5 brw-rw---- 1 root disk 1, 6 2011-11-25 19:28 ram6 brw-rw---- 1 root disk 1, 7 2011-11-25 19:28 ram7 brw-rw---- 1 root disk 1, 8 2011-11-25 19:28 ram8 brw-rw---- 1 root disk 1, 9 2011-11-25 19:28 ram9 crw-rw-rw- 1 root root 1, 8 2011-11-25 19:28 random crw-rw-r--+ 1 root root 10, 62 2011-11-25 19:28 rfkill lrwxrwxrwx 1 root root 4 2011-11-25 19:28 rtc -> rtc0 crw------- 1 root root 254, 0 2011-11-25 19:28 rtc0 lrwxrwxrwx 1 root root 3 2011-11-25 19:38 scd0 -> sr0 brw-rw---- 1 root disk 8, 0 2011-11-25 19:28 sda brw-rw---- 1 root disk 8, 1 2011-11-25 19:28 sda1 brw-rw---- 1 root disk 8, 2 2011-11-25 19:28 sda2 brw-rw---- 1 root disk 8, 3 2011-11-25 19:28 sda3 brw-rw---- 1 root disk 8, 5 2011-11-25 19:28 sda5 brw-rw---- 1 root disk 8, 6 2011-11-25 19:28 sda6 brw-rw---- 1 root disk 8, 16 2011-11-25 19:28 sdb brw-rw---- 1 root disk 8, 17 2011-11-25 19:28 sdb1 crw-rw---- 1 root disk 21, 0 2011-11-25 19:28 sg0 crw-rw---- 1 root disk 21, 1 2011-11-25 19:28 sg1 crw-rw----+ 1 root cdrom 21, 2 2011-11-25 19:28 sg2 lrwxrwxrwx 1 root root 8 2011-11-25 19:28 shm -> /run/shm crw------- 1 root root 10, 231 2011-11-25 19:28 snapshot drwxr-xr-x 4 root root 280 2011-11-25 19:28 snd brw-rw----+ 1 root cdrom 11, 0 2011-11-25 19:38 sr0 lrwxrwxrwx 1 root root 15 2011-11-25 19:28 stderr -> /proc/self/fd/2 lrwxrwxrwx 1 root root 15 2011-11-25 19:28 stdin -> /proc/self/fd/0 lrwxrwxrwx 1 root root 15 2011-11-25 19:28 stdout -> /proc/self/fd/1 crw-rw-rw- 1 root tty 5, 0 2011-11-25 19:35 tty crw--w---- 1 root tty 4, 0 2011-11-25 19:28 tty0 crw------- 1 root root 4, 1 2011-11-25 19:28 tty1 crw--w---- 1 root tty 4, 10 2011-11-25 19:28 tty10 crw--w---- 1 root tty 4, 11 2011-11-25 19:28 tty11 crw--w---- 1 root tty 4, 12 2011-11-25 19:28 tty12 crw--w---- 1 root tty 4, 13 2011-11-25 19:28 tty13 crw--w---- 1 root tty 4, 14 2011-11-25 19:28 tty14 crw--w---- 1 root tty 4, 15 2011-11-25 19:28 tty15 crw--w---- 1 root tty 4, 16 2011-11-25 19:28 tty16 crw--w---- 1 root tty 4, 17 2011-11-25 19:28 tty17 crw--w---- 1 root tty 4, 18 2011-11-25 19:28 tty18 crw--w---- 1 root tty 4, 19 2011-11-25 19:28 tty19 crw------- 1 root root 4, 2 2011-11-25 19:28 tty2 crw--w---- 1 root tty 4, 20 2011-11-25 19:28 tty20 crw--w---- 1 root tty 4, 21 2011-11-25 19:28 tty21 crw--w---- 1 root tty 4, 22 2011-11-25 19:28 tty22 crw--w---- 1 root tty 4, 23 2011-11-25 19:28 tty23 crw--w---- 1 root tty 4, 24 2011-11-25 19:28 tty24 crw--w---- 1 root tty 4, 25 2011-11-25 19:28 tty25 crw--w---- 1 root tty 4, 26 2011-11-25 19:28 tty26 crw--w---- 1 root tty 4, 27 2011-11-25 19:28 tty27 crw--w---- 1 root tty 4, 28 2011-11-25 19:28 tty28 crw--w---- 1 root tty 4, 29 2011-11-25 19:28 tty29 crw------- 1 root root 4, 3 2011-11-25 19:28 tty3 crw--w---- 1 root tty 4, 30 2011-11-25 19:28 tty30 crw--w---- 1 root tty 4, 31 2011-11-25 19:28 tty31 crw--w---- 1 root tty 4, 32 2011-11-25 19:28 tty32 crw--w---- 1 root tty 4, 33 2011-11-25 19:28 tty33 crw--w---- 1 root tty 4, 34 2011-11-25 19:28 tty34 crw--w---- 1 root tty 4, 35 2011-11-25 19:28 tty35 crw--w---- 1 root tty 4, 36 2011-11-25 19:28 tty36 crw--w---- 1 root tty 4, 37 2011-11-25 19:28 tty37 crw--w---- 1 root tty 4, 38 2011-11-25 19:28 tty38 crw--w---- 1 root tty 4, 39 2011-11-25 19:28 tty39 crw------- 1 root root 4, 4 2011-11-25 19:28 tty4 crw--w---- 1 root tty 4, 40 2011-11-25 19:28 tty40 crw--w---- 1 root tty 4, 41 2011-11-25 19:28 tty41 crw--w---- 1 root tty 4, 42 2011-11-25 19:28 tty42 crw--w---- 1 root tty 4, 43 2011-11-25 19:28 tty43 crw--w---- 1 root tty 4, 44 2011-11-25 19:28 tty44 crw--w---- 1 root tty 4, 45 2011-11-25 19:28 tty45 crw--w---- 1 root tty 4, 46 2011-11-25 19:28 tty46 crw--w---- 1 root tty 4, 47 2011-11-25 19:28 tty47 crw--w---- 1 root tty 4, 48 2011-11-25 19:28 tty48 crw--w---- 1 root tty 4, 49 2011-11-25 19:28 tty49 crw------- 1 root root 4, 5 2011-11-25 19:28 tty5 crw--w---- 1 root tty 4, 50 2011-11-25 19:28 tty50 crw--w---- 1 root tty 4, 51 2011-11-25 19:28 tty51 crw--w---- 1 root tty 4, 52 2011-11-25 19:28 tty52 crw--w---- 1 root tty 4, 53 2011-11-25 19:28 tty53 crw--w---- 1 root tty 4, 54 2011-11-25 19:28 tty54 crw--w---- 1 root tty 4, 55 2011-11-25 19:28 tty55 crw--w---- 1 root tty 4, 56 2011-11-25 19:28 tty56 crw--w---- 1 root tty 4, 57 2011-11-25 19:28 tty57 crw--w---- 1 root tty 4, 58 2011-11-25 19:28 tty58 crw--w---- 1 root tty 4, 59 2011-11-25 19:28 tty59 crw------- 1 root root 4, 6 2011-11-25 19:28 tty6 crw--w---- 1 root tty 4, 60 2011-11-25 19:28 tty60 crw--w---- 1 root tty 4, 61 2011-11-25 19:28 tty61 crw--w---- 1 root tty 4, 62 2011-11-25 19:28 tty62 crw--w---- 1 root tty 4, 63 2011-11-25 19:28 tty63 crw--w---- 1 root tty 4, 7 2011-11-25 19:28 tty7 crw--w---- 1 root tty 4, 8 2011-11-25 19:28 tty8 crw--w---- 1 root tty 4, 9 2011-11-25 19:28 tty9 crw------- 1 root root 5, 3 2011-11-25 19:28 ttyprintk crw-rw---- 1 root dialout 4, 64 2011-11-25 19:28 ttyS0 crw-rw---- 1 root dialout 4, 65 2011-11-25 19:28 ttyS1 crw-rw---- 1 root dialout 4, 74 2011-11-25 19:28 ttyS10 crw-rw---- 1 root dialout 4, 75 2011-11-25 19:28 ttyS11 crw-rw---- 1 root dialout 4, 76 2011-11-25 19:28 ttyS12 crw-rw---- 1 root dialout 4, 77 2011-11-25 19:28 ttyS13 crw-rw---- 1 root dialout 4, 78 2011-11-25 19:28 ttyS14 crw-rw---- 1 root dialout 4, 79 2011-11-25 19:28 ttyS15 crw-rw---- 1 root dialout 4, 80 2011-11-25 19:28 ttyS16 crw-rw---- 1 root dialout 4, 81 2011-11-25 19:28 ttyS17 crw-rw---- 1 root dialout 4, 82 2011-11-25 19:28 ttyS18 crw-rw---- 1 root dialout 4, 83 2011-11-25 19:28 ttyS19 crw-rw---- 1 root dialout 4, 66 2011-11-25 19:28 ttyS2 crw-rw---- 1 root dialout 4, 84 2011-11-25 19:28 ttyS20 crw-rw---- 1 root dialout 4, 85 2011-11-25 19:28 ttyS21 crw-rw---- 1 root dialout 4, 86 2011-11-25 19:28 ttyS22 crw-rw---- 1 root dialout 4, 87 2011-11-25 19:28 ttyS23 crw-rw---- 1 root dialout 4, 88 2011-11-25 19:28 ttyS24 crw-rw---- 1 root dialout 4, 89 2011-11-25 19:28 ttyS25 crw-rw---- 1 root dialout 4, 90 2011-11-25 19:28 ttyS26 crw-rw---- 1 root dialout 4, 91 2011-11-25 19:28 ttyS27 crw-rw---- 1 root dialout 4, 92 2011-11-25 19:28 ttyS28 crw-rw---- 1 root dialout 4, 93 2011-11-25 19:28 ttyS29 crw-rw---- 1 root dialout 4, 67 2011-11-25 19:28 ttyS3 crw-rw---- 1 root dialout 4, 94 2011-11-25 19:28 ttyS30 crw-rw---- 1 root dialout 4, 95 2011-11-25 19:28 ttyS31 crw-rw---- 1 root dialout 4, 68 2011-11-25 19:28 ttyS4 crw-rw---- 1 root dialout 4, 69 2011-11-25 19:28 ttyS5 crw-rw---- 1 root dialout 4, 70 2011-11-25 19:28 ttyS6 crw-rw---- 1 root dialout 4, 71 2011-11-25 19:28 ttyS7 crw-rw---- 1 root dialout 4, 72 2011-11-25 19:28 ttyS8 crw-rw---- 1 root dialout 4, 73 2011-11-25 19:28 ttyS9 d rwxr-xr-x 3 root root 60 2011-11-25 19:28 .udev crw-r----- 1 root root 10, 223 2011-11-25 19:28 uinput crw-rw-rw- 1 root root 1, 9 2011-11-25 19:28 urandom drwxr-xr-x 2 root root 60 2011-11-25 19:27 usb crw------- 1 root root 252, 0 2011-11-25 19:28 usbmon0 crw------- 1 root root 252, 1 2011-11-25 19:28 usbmon1 crw------- 1 root root 252, 2 2011-11-25 19:28 usbmon2 crw------- 1 root root 252, 3 2011-11-25 19:28 usbmon3 crw------- 1 root root 252, 4 2011-11-25 19:28 usbmon4 crw------- 1 root root 252, 5 2011-11-25 19:28 usbmon5 crw------- 1 root root 252, 6 2011-11-25 19:28 usbmon6 crw------- 1 root root 252, 7 2011-11-25 19:28 usbmon7 crw------- 1 root root 252, 8 2011-11-25 19:28 usbmon8 drwxr-xr-x 4 root root 80 2011-11-25 19:28 v4l crw------- 1 root root 10, 57 2011-11-25 19:28 vboxdrv crw------- 1 root root 10, 56 2011-11-25 19:28 vboxnetctl drwxr-x--- 4 root vboxusers 80 2011-11-25 19:28 vboxusb crw-rw---- 1 root tty 7, 0 2011-11-25 19:28 vcs crw-rw---- 1 root tty 7, 1 2011-11-25 19:28 vcs1 crw-rw---- 1 root tty 7, 2 2011-11-25 19:28 vcs2 crw-rw---- 1 root tty 7, 3 2011-11-25 19:28 vcs3 crw-rw---- 1 root tty 7, 4 2011-11-25 19:28 vcs4 crw-rw---- 1 root tty 7, 5 2011-11-25 19:28 vcs5 crw-rw---- 1 root tty 7, 6 2011-11-25 19:28 vcs6 crw-rw---- 1 root tty 7, 128 2011-11-25 19:28 vcsa crw-rw---- 1 root tty 7, 129 2011-11-25 19:28 vcsa1 crw-rw---- 1 root tty 7, 130 2011-11-25 19:28 vcsa2 crw-rw---- 1 root tty 7, 131 2011-11-25 19:28 vcsa3 crw-rw---- 1 root tty 7, 132 2011-11-25 19:28 vcsa4 crw-rw---- 1 root tty 7, 133 2011-11-25 19:28 vcsa5 crw-rw---- 1 root tty 7, 134 2011-11-25 19:28 vcsa6 crw------- 1 root root 10, 63 2011-11-25 19:28 vga_arbiter crw-rw----+ 1 root video 81, 0 2011-11-25 19:28 video0 crw-rw-rw- 1 root root 1, 5 2011-11-25 19:28 zero sg_scan -i gives me: sudo sg_scan -i /dev/sg0: scsi0 channel=0 id=0 lun=0 [em] ATA ST31000524NS SN12 [rmb=0 cmdq=0 pqual=0 pdev=0x0] /dev/sg1: scsi0 channel=0 id=1 lun=0 [em] ATA WDC WD15EADS-00S 01.0 [rmb=0 cmdq=0 pqual=0 pdev=0x0] /dev/sg2: scsi2 channel=0 id=0 lun=0 [em] HL-DT-ST BDDVDRW CH08LS10 2.00 [rmb=1 cmdq=0 pqual=0 pdev=0x5] sg_map gives me: /dev/sg0 /dev/sda /dev/sg1 /dev/sdb /dev/sg2 /dev/scd0 lsscsi -l gives me: [0:0:0:0] disk ATA ST31000524NS SN12 /dev/sda state=running queue_depth=1 scsi_level=6 type=0 device_blocked=0 timeout=30 [0:0:1:0] disk ATA WDC WD15EADS-00S 01.0 /dev/sdb state=running queue_depth=1 scsi_level=6 type=0 device_blocked=0 timeout=30 [2:0:0:0] cd/dvd HL-DT-ST BDDVDRW CH08LS10 2.00 /dev/sr0 state=running queue_depth=1 scsi_level=6 type=5 device_blocked=0 timeout=30 my udf mod is: filename: /lib/modules/3.0.0-14-generic/kernel/fs/udf/udf.ko license: GPL description: Universal Disk Format Filesystem author: Ben Fennema srcversion: 6ABDE012374D96B9685B8E5 depends: crc-itu-t vermagic: 3.0.0-14-generic SMP mod_unload modversions Do I need special drivers or mods enabled? Do I need to change some BIOS settings? edit: Somehow I am now able to fire the mount command without any filesystem errors, but now I get: mount: no medium found on /dev/sr0

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• Failure to toubleshoot a juju charm deployment

  - by Bruno Pereira

  My environments.yaml looks like this: environments: test: type: local control-bucket: juju-a14dfae3830142d9ac23c499395c2785999 admin-secret: 6608267bbd6b447b8c90934167b2a294999 default-series: oneiric juju-origin: distro data-dir: /home/bruno/projects/juju juju bootstrap runs perfect: 2011-11-22 19:19:31,999 INFO Bootstrapping environment 'test' (type: local)... 2011-11-22 19:19:32,004 INFO Checking for required packages... 2011-11-22 19:19:33,584 INFO Starting networking... 2011-11-22 19:19:34,058 INFO Starting zookeeper... 2011-11-22 19:19:34,283 INFO Starting storage server... 2011-11-22 19:19:40,051 INFO Initializing zookeeper hierarchy 2011-11-22 19:19:40,247 INFO Starting machine agent (origin: distro)... [sudo] password for bruno: 2011-11-22 19:23:16,054 INFO Environment bootstrapped 2011-11-22 19:23:16,079 INFO 'bootstrap' command finished successfully Deploy from a known good charm is accepted (tried it with one that I am trying to create): juju deploy --repository=/home/bruno/projects/charms_repo/ local:teamspeak 2011-11-22 19:28:49,929 INFO Charm deployed as service: 'teamspeak' 2011-11-22 19:28:49,962 INFO 'deploy' command finished successfully After this I can see that juju debug-log shows activity and I can see the network indicator going on and off and activity on my hard-disk. Wait... Looking at juju status I get: services: teamspeak: charm: local:oneiric/teamspeak-1 relations: {} units: teamspeak/0: machine: 0 public-address: 192.168.122.226 relations: {} state: start_error juju debug-log does not help and I have no files under /var/log/juju or /var/lib/juju. Last juju debug-log only shows this: 2011-11-22 19:45:20,790 Machine:0: juju.agents.machine DEBUG: Units changed old:set(['wordpress/0']) new:set(['wordpress/0', 'teamspeak/0']) 2011-11-22 19:45:20,823 Machine:0: juju.agents.machine DEBUG: Starting service unit: teamspeak/0 ... 2011-11-22 19:45:21,137 Machine:0: juju.agents.machine DEBUG: Downloading charm local:oneiric/teamspeak-1 to /home/bruno/projects/juju/bruno-test/charms 2011-11-22 19:45:22,115 Machine:0: juju.agents.machine DEBUG: Starting service unit teamspeak/0 2011-11-22 19:45:22,133 Machine:0: unit.deploy INFO: Creating container teamspeak-0... 2011-11-22 19:47:04,586 Machine:0: unit.deploy INFO: Container created for teamspeak/0 2011-11-22 19:47:04,781 Machine:0: unit.deploy DEBUG: Charm extracted into container 2011-11-22 19:47:04,801 Machine:0: unit.deploy DEBUG: Starting container... 2011-11-22 19:47:07,086 Machine:0: unit.deploy INFO: Started container for teamspeak/0 2011-11-22 19:47:07,107 Machine:0: juju.agents.machine INFO: Started service unit teamspeak/0 How can I troubleshot what is happening here?

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• C# 4.0: Covariance And Contravariance In Generics Made Easy

  - by Paulo Morgado

  In my last post, I went through what is variance in .NET 4.0 and C# 4.0 in a rather theoretical way. Now, I’m going to try to make it a bit more down to earth. Given: class Base { } class Derived : Base { } Such that: Trace.Assert(typeof(Base).IsClass && typeof(Derived).IsClass && typeof(Base).IsGreaterOrEqualTo(typeof(Derived))); Covariance interface ICovariantIn<out T> { } Trace.Assert(typeof(ICovariantIn<Base>).IsGreaterOrEqualTo(typeof(ICovariantIn<Derived>))); Contravariance interface ICovariantIn<out T> { } Trace.Assert(typeof(IContravariantIn<Derived>).IsGreaterOrEqualTo(typeof(IContravariantIn<Base>))); Invariance interface IInvariantIn<T> { } Trace.Assert(!typeof(IInvariantIn<Base>).IsGreaterOrEqualTo(typeof(IInvariantIn<Derived>)) && !typeof(IInvariantIn<Derived>).IsGreaterOrEqualTo(typeof(IInvariantIn<Base>))); Where: public static class TypeExtensions { public static bool IsGreaterOrEqualTo(this Type self, Type other) { return self.IsAssignableFrom(other); } }

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• MySQL – Introduction to User Defined Variables

  - by Pinal Dave

  MySQL supports user defined variables to have some data that can be used later part of your query. You can save a value to a variable using a SELECT statement and later you can access its value. Unlike other RDBMSs, you do not need to declare the data type for a variable. The data type is automatically assumed when you assign a value. A value can be assigned to a variable using a SET command as shown below SET @server_type:='MySQL'; When you above command is executed, the value, MySQL is assigned to the variable called @server_type. Now you can use this variable in the later part of the code. Suppose if you want to display the value, you can use SELECT statement. SELECT @server_type; The result is MySQL. Once the value is assigned it remains for the entire session until changed by the later statements. So unlike SQL Server, you do not need to have this as part the execution code every time. (Because in SQL Server, the variables are execution scoped and dropped after the execution). You can give column name as below SELECT @server_type AS server_type; You can also SELECT statement to DECLARE and SELECT the values for a variable. SELECT @message:='Welcome to MySQL' AS MESSAGE; The result is Message -------- Welcome to MySQL You can make use of variables to effectively apply many logics. One of the useful method is to generate the row number as shown in this post MySQL – Generating Row Number for Each Row using Variable. Reference: Pinal Dave (http://blog.sqlauthority.com)Filed under: MySQL, PostADay, SQL, SQL Authority, SQL Query, SQL Tips and Tricks, T SQL

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• Html5 Input Validation Presentation

  - by srkirkland

  Last week I gave a presentations to the 2011 UC Davis IT Security Symposium that covered input validation features in HTML5.  I mostly discussed the following three topics: New Html5 Input Types (like <input type=”email” />) Html5 Constraints (like <input type=”text” required maxlength=”8” />) Polyfills The slides only cover part of the story since there are a few “live demos.”  You can find all of the demo code on my github repository https://github.com/srkirkland/ITSecuritySymposium.  You’ll need ASP.NET Mvc 3 installed to run them. The slides are also available in my GitHub repository, but I’ve also added them to slideshare as well because that’s what the cool kids do: http://www.slideshare.net/srkirkland/data-validation-in-web-applications. I believe the presentation was well received and most people learned something, so I just wanted to share.  When loading up the Html5 demo just click on the Html5 tab and go through each example. Enjoy!   [Examples from the Slides and Demos]  

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• What's The Difference Between Imperative, Procedural and Structured Programming?

  - by daniels

  By researching around (books, Wikipedia, similar questions on SE, etc) I came to understand that Imperative programming is one of the major programming paradigms, where you describe a series of commands (or statements) for the computer to execute (so you pretty much order it to take specific actions, hence the name "imperative"). So far so good. Procedural programming, on the other hand, is a specific type (or subset) of Imperative programming, where you use procedures (i.e., functions) to describe the commands the computer should perform. First question: Is there an Imperative programming language which is not procedural? In other words, can you have Imperative programming without procedures? Update: This first question seems to be answered. A language CAN be imperative without being procedural or structured. An example is pure Assembly language. Then you also have Structured programming, which seems to be another type (or subset) of Imperative programming, which emerged to remove the reliance on the GOTO statement. Second question: What is the difference between procedural and structured programming? Can you have one without the other, and vice-versa? Can we say procedural programming is a subset of structured programming, as in the image?

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• Identity Claims Encoding for SharePoint

  - by Shawn Cicoria

  Just to remind myself, the list of claim types and their encodings are listed here at the bottom. http://msdn.microsoft.com/en-us/library/gg481769.aspx Where for example: i:0#.w|contoso\scicoria ‘i’ = identity, could be ‘c’ for others # == SPClaimTypes.UserLogonName . == Microsoft.IdentityModel.Claims.ClaimValueTypes.String Table for reference: Table 1. Claim types encoding Character Claim Type ! SPClaimTypes.IdentityProvider ” SPClaimTypes.UserIdentifier # SPClaimTypes.UserLogonName $ SPClaimTypes.DistributionListClaimType % SPClaimTypes.FarmId & SPClaimTypes.ProcessIdentitySID ‘ SPClaimTypes.ProcessIdentityLogonName ( SPClaimTypes.IsAuthenticated ) Microsoft.IdentityModel.Claims.ClaimTypes.PrimarySid * Microsoft.IdentityModel.Claims.ClaimTypes.PrimaryGroupSid + Microsoft.IdentityModel.Claims.ClaimTypes.GroupSid - Microsoft.IdentityModel.Claims.ClaimTypes.Role . System.IdentityModel.Claims.ClaimTypes.Anonymous / System.IdentityModel.Claims.ClaimTypes.Authentication 0 System.IdentityModel.Claims.ClaimTypes.AuthorizationDecision 1 System.IdentityModel.Claims.ClaimTypes.Country 2 System.IdentityModel.Claims.ClaimTypes.DateOfBirth 3 System.IdentityModel.Claims.ClaimTypes.DenyOnlySid 4 System.IdentityModel.Claims.ClaimTypes.Dns 5 System.IdentityModel.Claims.ClaimTypes.Email 6 System.IdentityModel.Claims.ClaimTypes.Gender 7 System.IdentityModel.Claims.ClaimTypes.GivenName 8 System.IdentityModel.Claims.ClaimTypes.Hash 9 System.IdentityModel.Claims.ClaimTypes.HomePhone < System.IdentityModel.Claims.ClaimTypes.Locality = System.IdentityModel.Claims.ClaimTypes.MobilePhone > System.IdentityModel.Claims.ClaimTypes.Name ? System.IdentityModel.Claims.ClaimTypes.NameIdentifier @ System.IdentityModel.Claims.ClaimTypes.OtherPhone [ System.IdentityModel.Claims.ClaimTypes.PostalCode \ System.IdentityModel.Claims.ClaimTypes.PPID ] System.IdentityModel.Claims.ClaimTypes.Rsa ^ System.IdentityModel.Claims.ClaimTypes.Sid _ System.IdentityModel.Claims.ClaimTypes.Spn ` System.IdentityModel.Claims.ClaimTypes.StateOrProvince a System.IdentityModel.Claims.ClaimTypes.StreetAddress b System.IdentityModel.Claims.ClaimTypes.Surname c System.IdentityModel.Claims.ClaimTypes.System d System.IdentityModel.Claims.ClaimTypes.Thumbprint e System.IdentityModel.Claims.ClaimTypes.Upn f System.IdentityModel.Claims.ClaimTypes.Uri g System.IdentityModel.Claims.ClaimTypes.Webpage Table 2. Claim value types encoding Character Claim Type ! Microsoft.IdentityModel.Claims.ClaimValueTypes.Base64Binary “ Microsoft.IdentityModel.Claims.ClaimValueTypes.Boolean # Microsoft.IdentityModel.Claims.ClaimValueTypes.Date $ Microsoft.IdentityModel.Claims.ClaimValueTypes.Datetime % Microsoft.IdentityModel.Claims.ClaimValueTypes.DaytimeDuration & Microsoft.IdentityModel.Claims.ClaimValueTypes.Double ‘ Microsoft.IdentityModel.Claims.ClaimValueTypes.DsaKeyValue ( Microsoft.IdentityModel.Claims.ClaimValueTypes.HexBinary ) Microsoft.IdentityModel.Claims.ClaimValueTypes.Integer * Microsoft.IdentityModel.Claims.ClaimValueTypes.KeyInfo + Microsoft.IdentityModel.Claims.ClaimValueTypes.Rfc822Name - Microsoft.IdentityModel.Claims.ClaimValueTypes.RsaKeyValue . Microsoft.IdentityModel.Claims.ClaimValueTypes.String / Microsoft.IdentityModel.Claims.ClaimValueTypes.Time 0 Microsoft.IdentityModel.Claims.ClaimValueTypes.X500Name 1 Microsoft.IdentityModel.Claims.ClaimValueTypes.YearMonthDuration

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• Security exception in Twitterizer

  - by Raghu

  Hi, We are using Twitterizer for Twitter integration to get the Tweets details. When making call to the method OAuthUtility.GetRequestToken, following exception is coming. System.Security.SecurityException: Request for the permission of type 'System.Net.WebPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. When the application is hosted on IIS 5, the application works fine and the above error is coming only when the application is hosted in IIS 7 on Windows 2008 R2. and the method OAuthUtility.GetRequestToken throws above exception. It seems the issue is something with code access security. Please suggest what kind of permissions should be given to fix the security exception. The application has the Full Trust and I have even tried by registering the Twitterizer DLL in GAC and still the same error is coming. I am not sure what makes the difference between IIS 5 and IIS 7 with regards to code access security to cause that exception. Following is the stack track of the exception. [SecurityException: Request for the permission of type 'System.Net.WebPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.] System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) +0 System.Security.CodeAccessPermission.Demand() +54 Twitterizer.OAuthUtility.ExecuteRequest(String baseUrl, Dictionary`2 parameters, HTTPVerb verb, String consumerKey, String consumerSecret, String token, String tokenSecret, WebProxy proxy) +224 Twitterizer.OAuthUtility.GetRequestToken(String consumerKey, String consumerSecret, String callbackAddress, WebProxy proxy) +238 Twitter._Default.btnSubmit_Click(Object sender, EventArgs e) +94 System.Web.UI.WebControls.Button.OnClick(EventArgs e) +115 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +140 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +29 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +11045655 System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +11045194 System.Web.UI.Page.ProcessRequest() +91 System.Web.UI.Page.ProcessRequest(HttpContext context) +240 ASP.authorization_aspx.ProcessRequest(HttpContext context) in c:\Windows\Microsoft.NET\Framework64\v2.0.50727\Temporary ASP.NET Files\twitter\c2fd5853\dcb96ae9\App_Web_y_ada-ix.0.cs:0 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +599 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +171 Any help would be greatly appreciated. Thanks in advance. Regards, Raghu

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• July, the 31 Days of SQL Server DMO’s – Day 20 (sys.dm_tran_locks)

  - by Tamarick Hill

  The sys.dm_tran_locks DMV is used to return active lock resources on your server. Locking is a mechanism used by SQL Server to protect the integrity of data when you have multiple users that may potentially access the same data at the same time. Let’s run a query against this DMV so we can analyze the results. SELECT * FROM sys.dm_tran_locks As we can see, its a lot of lock information returned from this DMV. I will not go into detail about each of the columns returned, but I will touch on the ones that I feel are the most important. The first column in the output is the resource_type column which tells you the type of lock a particular row represents. It could be a PAGE lock, RID, OBJECT, DATABASE, or several other lock types. The resource_database_id represents the id of the database for a particular lock resource. The resource_lock_partition column represents the ID of a lock partition. When you have a table that is partitioned, locks can be escalated to the partition level before going to a table level lock. The request_mode column gives us information about the type of lock that is being requested. From the screenshots above we see RangeS-S locks which represent a share range lock and IS locks which represent Intent Shared locks. The request_status column displays whether the lock has been granted or whether the lock is waiting to be acquired. The request_session_id  shows the session_id that is requesting the lock. This DMV is the best place to go when you need to identify the exact locks that are being held or pending for individual requests. You might need this information when you are troubleshooting severe blocking or deadlocking problems on your server. For more information on this DMV, please see the below Books Online link: http://msdn.microsoft.com/en-us/library/ms190345.aspx Follow me on Twitter @PrimeTimeDBA

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• Why Standards Only Get You So Far

  - by Tim Murphy

  Over the years I have been exposed to a number of standards.  EDI was the first.  More recently it has been the CIECA standard for Insurance and now the embattled document standards of Open XML and ODF. Standards actually came up at the last CAG meeting.  The debate was over how effective they really are.  Even back in the late 80’s to early 90’s people found they had to customize these standards to get any work done.  I even had one vendor about a year ago tell me that they really weren’t standards, they were more of a guideline. The problem is that standards are created either by committee or by companies trying to sell a product.  They never fit all situations.  This is why most of them leave extension points in their definition.  Of course if you use those extension points everyone has to have custom code to know how to consume the new product. Standards increase reliability but they stifle innovation and slow the time to market cycle of products.  In this age of ever shortening windows of opportunity that could mean that a company could lose its competitive advantage. I believe that standards are not only good, but essential.  I also believe that they are not a silver bullet.  People who turn competing standards into a type of holy war are really missing the point.  I think we should make the best standards we can, whether that is for a product so that customers can use API, or by committee so that they cross products.  But they also need to be as feature rich and flexible as possible.  They can’t be just the lowest common denominator since this type of standard will be broken the day it is published.  In the end though, it is the market will vote with their dollars. del.icio.us Tags: Office Open XML,ODF,Standards,EDI

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