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• not able to upgrade maas to 1.4?

  - by SaM

  I am running ubuntu 13.04 LTS, and maas version runnung is maas 1.3+bzr1470+dfsg-0+1474+175~ppa0~ubuntu13.04.1, so i'm trying to upgrade it to mass 1.4 but its failing, sam@xsmaas01:~$ sudo apt-get install maas [sudo] password for sam: Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be upgraded: maas 1 upgraded, 0 newly installed, 0 to remove and 87 not upgraded. 2 not fully installed or removed. Need to get 0 B/1,912 B of archives. After this operation, 1,024 B of additional disk space will be used. (Reading database ... 85268 files and directories currently installed.) Preparing to replace maas 1.3+bzr1470+dfsg-0+1474+175~ppa0~ubuntu13.04.1 (using .../maas_1.4+bzr1693+dfsg-0ubuntu2~ctools0_all.deb) ... Unpacking replacement maas ... Setting up maas-cluster-controller (1.4+bzr1693+dfsg-0ubuntu2~ctools0) ... ERROR: Module version does not exist! dpkg: error processing maas-cluster-controller (--configure): subprocess installed post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of maas: maas depends on maas-cluster-controller; however: Package maas-cluster-controller is not configured yet. dpkg: error processing maas (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: maas-cluster-controller maas E: Sub-process /usr/bin/dpkg returned an error code (1) sam@maas01:~$ Can anyone help me with this?

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• SQLAuthority News – Amazon Gift Card Raffle for Beta Tester Feedback for NuoDB

  - by pinaldave

  As regular readers know I’ve been spending some time working with the NuoDB beta software. They contacted me last week and asked if I would give you a chance to try their new web-based console for their scalable, SQL-compliant database. They have just put out their final beta release, Beta 9.  It contains a preview of a new web-based “NuoConsole” that will replace and extend the functionality of their current desktop version.  I haven’t spent any time with the new console yet but a really quick look tells me it should make it easier to do deeper monitoring than the older one. It also looks like they have added query-level reporting through the console. I will try to play with it soon. NuoDB is doing a last, big push to get some more feedback from developers before they release their 1.0 product sometime in the next several weeks. Since the console is new, they are especially interested in some quick feedback on it before general availability. For SQLAuthority readers only, NuoDB will raffle off three $50 Amazon gift cards in exchange for your feedback on the NuoConsole preview. Here’s how to Enter Download NuoDBeta 9 here You must build a domain before you can start the console. Launch the Web Console. Windows Code: start java -jar jarnuodbwebconsole.jar Mac, Linux, Solaris, Unix Code: java -jar jar/nuodbwebconsole.jar Access the Web Console: Code: http://localhost:8080 When you have tried it out, go to a short (8 question) survey to enter the raffle Click here for the survey You must complete the survey before midnight EDT on October 17, 2012. Here’s what else they are saying about this last beta before general availability: Beta 9 now supports the Zend PHP framework so that PHP developers can directly integrate web applications with NuoDB. Multi-threaded HDFS support – NuoDB Storage Managers can now be configured to persist data to the high performance Hadoop distributed file system (HDFS). Beta 9 optimizes for multi-thread I/O streams at maximum performance. This enhancement allows users to make Hadoop their core storage with no extra effort which is a pretty cool idea. Improved Performance –On a single transaction node, Beta 9 offers performance comparable with MySQL and MariaDB. As additional nodes are added, NuoDB performance improves significantly at near linear scale. Query & Explain Plan Logging – Beta 9 introduces SQL explain plans for your queries. Qualify queries with the word “EXPLAIN” and NuoDB will respond with the details of the execution plan allowing performance optimization to SQL. Through the NuoConsole, you can now kill hung or long running queries. Java App Server Support – Beta 9 now supports leading Web JEE app servers including JBoss, Tomcat, and ColdFusion. They’ve also reported: Improved PHP/PDO drivers Support for Drupal Faster Ruby on Rails driver The Hibernate Dialect supports version 4.1 And good news for my readers: numerous SQL enhancements They will share the results of the web console feedback with me.  I’ll let you know how it goes. Also the winner of their last contest was Jaime Martínez Lafargue!  Do leave a comment here once you complete the survey.  Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: SQL Authority Tagged: NuoDB

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• Vmware software installation error

  - by Perry

  I am trying to install Vmware software, but I am facing the following error: Selecting previously unselected package vmware-view-client:i386. (Reading database ... 239594 files and directories currently installed.) Unpacking vmware-view-client:i386 (from .../vmware-view-client_2.1.0-0ubuntu0.12.04_i386.deb) ... Processing triggers for desktop-file-utils ... Processing triggers for bamfdaemon ... Rebuilding /usr/share/applications/bamf.index... Processing triggers for gnome-menus ... Setting up icaclient:i386 (12.1.0) ... dpkg: error processing icaclient:i386 (--configure): subprocess installed post-installation script returned error exit status 2 Setting up vmware-view-client:i386 (2.1.0-0ubuntu0.12.04) ... Processing triggers for libc-bin ... ldconfig deferred processing now taking place Errors were encountered while processing: icaclient:i386 E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: Setting up icaclient:i386 (12.1.0) ... dpkg: error processing icaclient:i386 (--configure): subprocess installed post-installation script returned error exit status 2 Errors were encountered while processing: icaclient:i386 Any suggestions on how to fix this issue? Thanks in advance

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• Fast Society Creates Mini and Mobile Temporary Social Networks

  - by ETC

  You’re out on the town or at a convention with a bunch of friends. How do you keep in touch with the entire group simultaneously? Fast Society offers a smartphone-based solution: a temporary social network for group talking, texting, and more. Fast Society was originally an iPhone only application and has recently updated to include and Android app too. The premise is simple: You set up a Fast Society group, link your friends into it, and for that night (or convention weekend) you’re all part of the same mini group. You can text the entire group, share pictures, set up sub-groups (let’s say that half your group is going to stay up late and party while half need to hit the rack to get up early for presentations, you can create a new group for the night owls to communicate), share your location, and send in-app and SMS messages to the entire group. Check out the video above to see it in action or hit up the link below to read more and grab a copy. Face Society [via Mashable] Latest Features How-To Geek ETC How to Get Amazing Color from Photos in Photoshop, GIMP, and Paint.NET Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? Peaceful Alpine River on a Sunny Day [Wallpaper] Fast Society Creates Mini and Mobile Temporary Social Networks Page Zipper Unpacks Multi-Page Articles for Single-Page Display Minty Bug: Build an FM Bug Inside a Mint Container Get the MakeUseOf eBook Guide to Hacker Proofing Your PC Sync Your Windows Computer with Your Ubuntu One Account [Desktop Client]

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• How can I create (or do I even need to create) an alias of a DNS MX record?

  - by AKWF

  I am in the process of moving my DNS records from Network Solutions to the Amazon Route 53 service. While I know and understand a little about the basic kinds of records, I am stumped on how to create the record that will point to the MX record on Network Solutions (if I'm even saying that right). On Network Solutions I have this: Mail Servers (MX Records) Note: Mail Servers are listed in rank order myapp.net Add Sub-Domain MXMailServer(Preference) TTL inbound.myapp.net.netsolmail.net.(10) 7200 Network Solutions E-mail I have read that the payload for an MX record state that it must point to an existing A record in the DNS. Yet in the example above, that inbound.myapp... record only has the words "Network Solutions E-mail" next to it. Our email is hosted at Network Solutions. I have already created the CNAME records that look like this: mail.myapp.net 7200 mail.mycarparts.net.netsolmail.net. smtp.myapp.net 7100 smtp.mycarparts.net.netsolmail.net. Since I am only using Amazon as the DNS, do I even need to do anything with that MX record? I appreciate your help, I googled and researched this before I posted, this is my first post on webmasters although I've been on SO for a few years.

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• HSSFS Part 2.1 - Parsing @@VERSION

  - by Most Valuable Yak (Rob Volk)

  For Part 2 of the Handy SQL Server Function Series I decided to tackle parsing useful information from the @@VERSION function, because I am an idiot.  It turns out I was confused about CHARINDEX() vs. PATINDEX() and it pretty much invalidated my original solution.  All is not lost though, this mistake turned out to be informative for me, and hopefully for you. Referring back to the "Version" view in the prelude I started with the following query to extract the version number: SELECT DISTINCT SQLVersion, SUBSTRING(VersionString,PATINDEX('%-%',VersionString)+2, 12) VerNum FROM VERSION I used PATINDEX() to find the first hyphen "-" character in the string, since the version number appears 2 positions after it, and got these results: SQLVersion VerNum ----------- ------------ 2000 8.00.2055 (I 2005 9.00.3080.00 2005 9.00.4053.00 2008 10.50.1600.1 As you can see it was good enough for most of the values, but not for the SQL 2000 @@VERSION.  You'll notice it has only 3 version sections/octets where the others have 4, and the SUBSTRING() grabbed the non-numeric characters after.  To properly parse the version number will require a non-fixed value for the 3rd parameter of SUBSTRING(), which is the number of characters to extract. The best value is the position of the first space to occur after the version number (VN), the trick is to figure out how to find it.  Here's where my confusion about PATINDEX() came about.  The CHARINDEX() function has a handy optional 3rd parameter: CHARINDEX (expression1 ,expression2 [ ,start_location ] ) While PATINDEX(): PATINDEX ('%pattern%',expression ) Does not.  I had expected to use PATINDEX() to start searching for a space AFTER the position of the VN, but it doesn't work that way.  Since there are plenty of spaces before the VN, I thought I'd try PATINDEX() on another character that doesn't appear before, and tried "(": SELECT SQLVersion, SUBSTRING(VersionString,PATINDEX('%-%',VersionString)+2, PATINDEX('%(%',VersionString)) FROM VERSION Unfortunately this messes up the length calculation and yields: SQLVersion VerNum ----------- --------------------------- 2000 8.00.2055 (Intel X86) Dec 16 2008 19:4 2005 9.00.3080.00 (Intel X86) Sep 6 2009 01: 2005 9.00.4053.00 (Intel X86) May 26 2009 14: 2008 10.50.1600.1 (Intel X86) Apr 2008 10.50.1600.1 (X64) Apr 2 20 Yuck.  The problem is that PATINDEX() returns position, and SUBSTRING() needs length, so I have to subtract the VN starting position: SELECT SQLVersion, SUBSTRING(VersionString,PATINDEX('%-%',VersionString)+2, PATINDEX('%(%',VersionString)-PATINDEX('%-%',VersionString)) VerNum FROM VERSION And the results are: SQLVersion VerNum ----------- -------------------------------------------------------- 2000 8.00.2055 (I 2005 9.00.4053.00 (I Msg 537, Level 16, State 2, Line 1 Invalid length parameter passed to the LEFT or SUBSTRING function. Ummmm, whoops.  Turns out SQL Server 2008 R2 includes "(RTM)" before the VN, and that causes the length to turn negative. So now that that blew up, I started to think about matching digit and dot (.) patterns.  Sadly, a quick look at the first set of results will quickly scuttle that idea, since different versions have different digit patterns and lengths. At this point (which took far longer than I wanted) I decided to cut my losses and redo the query using CHARINDEX(), which I'll cover in Part 2.2.  So to do a little post-mortem on this technique: PATINDEX() doesn't have the flexibility to match the digit pattern of the version number; PATINDEX() doesn't have a "start" parameter like CHARINDEX(), that allows us to skip over parts of the string; The SUBSTRING() expression is getting pretty complicated for this relatively simple task! This doesn't mean that PATINDEX() isn't useful, it's just not a good fit for this particular problem.  I'll include a version in the next post that extracts the version number properly. UPDATE: Sorry if you saw the unformatted version of this earlier, I'm on a quest to find blog software that ACTUALLY WORKS.

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• A quick look at: sys.dm_os_buffer_descriptors

  - by Jonathan Allen

  SQL Server places data into cache as it reads it from disk so as to speed up future queries. This dmv lets you see how much data is cached at any given time and knowing how this changes over time can help you ensure your servers run smoothly and are adequately resourced to run your systems. This dmv gives the number of cached pages in the buffer pool along with the database id that they relate to: USE [tempdb] GO SELECT COUNT(*) AS cached_pages_count , CASE database_id WHEN 32767 THEN 'ResourceDb' ELSE DB_NAME(database_id) END AS Database_name FROM sys.dm_os_buffer_descriptors GROUP BY DB_NAME(database_id) , database_id ORDER BY cached_pages_count DESC; This gives you results which are quite useful, but if you add a new column with the code: …to convert the pages value to show a MB value then they become more relevant and meaningful. To see how your server reacts to queries, start up SSMS and connect to a test server and database – mine is called AdventureWorks2008. Make sure you start from a know position by running: -- Only run this on a test server otherwise your production server's-- performance may drop off a cliff and your phone will start ringing. DBCC DROPCLEANBUFFERS GO Now we can run a query that would normally turn a DBA’s hair white: USE [AdventureWorks2008] go SELECT * FROM [Sales].[SalesOrderDetail] AS sod INNER JOIN [Sales].[SalesOrderHeader] AS soh ON [sod].[SalesOrderID] = [soh].[SalesOrderID] …and then check our cache situation: A nice low figure – not! Almost 2000 pages of data in cache equating to approximately 15MB. Luckily these tables are quite narrow; if this had been on a table with more columns then this could be even more dramatic. So, let’s make our query more efficient. After resetting the cache with the DROPCLEANBUFFERS and FREEPROCCACHE code above, we’ll only select the columns we want and implement a WHERE predicate to limit the rows to a specific customer. SELECT [sod].[OrderQty] , [sod].[ProductID] , [soh].[OrderDate] , [soh].[CustomerID] FROM [Sales].[SalesOrderDetail] AS sod INNER JOIN [Sales].[SalesOrderHeader] AS soh ON [sod].[SalesOrderID] = [soh].[SalesOrderID] WHERE [soh].[CustomerID] = 29722 …and check our effect cache: Now that is more sympathetic to our server and the other systems sharing its resources. I can hear you asking: “What has this got to do with logging, Jonathan?” Well, a smart DBA will keep an eye on this metric on their servers so they know how their hardware is coping and be ready to investigate anomalies so that no ‘disruptive’ code starts to unsettle things. Capturing this information over a period of time can lead you to build a picture of how a database relies on the cache and how it interacts with other databases. This might allow you to decide on appropriate schedules for over night jobs or otherwise balance the work of your server. You could schedule this job to run with a SQL Agent job and store the data in your DBA’s database by creating a table with: IF OBJECT_ID('CachedPages') IS NOT NULL DROP TABLE CachedPages CREATE TABLE CachedPages ( cached_pages_count INT , MB INT , Database_Name VARCHAR(256) , CollectedOn DATETIME DEFAULT GETDATE() ) …and then filling it with: INSERT INTO [dbo].[CachedPages] ( [cached_pages_count] , [MB] , [Database_Name] ) SELECT COUNT(*) AS cached_pages_count , ( COUNT(*) * 8.0 ) / 1024 AS MB , CASE database_id WHEN 32767 THEN 'ResourceDb' ELSE DB_NAME(database_id) END AS Database_name FROM sys.dm_os_buffer_descriptors GROUP BY database_id After this has been left logging your system metrics for a while you can easily see how your databases use the cache over time and may see some spikes that warrant your attention. This sort of logging can be applied to all sorts of server statistics so that you can gather information that will give you baseline data on how your servers are performing. This means that when you get a problem you can see what statistics are out of their normal range and target you efforts to resolve the issue more rapidly.

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• Problem after mysql-server installation I cant install any thing in ubuntu 12.04.1 now

  - by mohammed ezzi

  I'm not an advanced user of Linux and I tried to install work with database so I installed Mysql-server, I think I did same thing wrong so I get in trouble and now I cant install any thing and this what I get when I use apt-get -f install : root@me:~# apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: mysql-server mysql-server-5.5 Suggested packages: tinyca mailx The following packages will be upgraded: mysql-server mysql-server-5.5 2 upgraded, 0 newly installed, 0 to remove and 194 not upgraded. 2 not fully installed or removed. Need to get 0 B/8,737 kB of archives. After this operation, 15.4 kB of additional disk space will be used. Do you want to continue [Y/n]? y dpkg: dependency problems prevent configuration of mysql-server-5.5: mysql-server-5.5 depends on mysql-server-core-5.5 (= 5.5.24-0ubuntu0.12.04.1); however: Version of mysql-server-core-5.5 on system is 5.5.28-0ubuntu0.12.04.3. dpkg: error processing mysql-server-5.5 (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.5; however: Package mysql-server-5.5 is not configured yet. dpkg: error processing mysql-server (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already Errors were encountered while processing: mysql-server-5.5 mysql-server E: Sub-process /usr/bin/dpkg returned an error code (1) I tried to remove mysql-server but nothing happened.

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• 2D Side Scrolling game and "walk over ground" collision detection

  - by Fire-Dragon-DoL

  The question is not hard, I'm writing a game engine for 2D side scrolling games, however I'm thinking to my 2D side scrolling game and I always come up with the problem of "how should I do collision with the ground". I think I couldn't handle the collision with ground (ground for me is "where the player walk", so something heavily used) in a per-pixel way, and I can't even do it with simple shape comparison (because the ground can be tilted), so what's the correct way? I'know what tiles are and i've read about it, but how much should be big each tile to not appear like a stairs?Are there any other approach? I watched this game and is very nice how he walks on ground: http://www.youtube.com/watch?v=DmSAQwbbig8&feature=player_embedded If there are "platforms" in mid air, how should I handle them?I can walk over them but I can't pass "inside". Imagine a platform in mid air, it allows you to walk over it but limit you because you can't jump in the area she fits Sorry for my english, it's not my native language and this topic has a lot of keywords I don't know so I have to use workarounds Thanks for any answer Additional informations and suggestions: I'm doing a game course in this period and I asked them how to do this, they suggested me this approach (a QuadTree): -All map is divided into "big nodes" -Each bigger node has sub nodes, to find where the player is -You can find player's node with a ray on player position -When you find the node where the player is, you can do collision check through all pixels (which can be 100-200px nothing more) Here is an example, however i didn't show very well the bigger nodes because i'm not very good with photoshop :P How is this approach?

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• dependency problems at installation from mysql-server-5.5

  - by Furtano

  qcons@014-QCONS:/var/lib$ sudo apt-get install -f mysql-server Paketlisten werden gelesen... Fertig Abhängigkeitsbaum wird aufgebaut Statusinformationen werden eingelesen... Fertig mysql-server ist schon die neueste Version. 0 aktualisiert, 0 neu installiert, 0 zu entfernen und 0 nicht aktualisiert. 2 nicht vollständig installiert oder entfernt. Nach dieser Operation werden 0 B Plattenplatz zusätzlich benutzt. Möchten Sie fortfahren [J/n]? j mysql-server-5.5 (5.5.28-0ubuntu0.12.04.2) wird eingerichtet ... 121112 11:16:52 [Note] Plugin 'FEDERATED' is disabled. 121112 11:16:52 InnoDB: The InnoDB memory heap is disabled 121112 11:16:52 InnoDB: Mutexes and rw_locks use GCC atomic builtins 121112 11:16:52 InnoDB: Compressed tables use zlib 1.2.3.4 121112 11:16:52 InnoDB: Initializing buffer pool, size = 128.0M 121112 11:16:52 InnoDB: Completed initialization of buffer pool 121112 11:16:52 InnoDB: highest supported file format is Barracuda. 121112 11:16:53 InnoDB: Waiting for the background threads to start 121112 11:16:54 InnoDB: 1.1.8 started; log sequence number 1595675 121112 11:16:54 InnoDB: Starting shutdown... 121112 11:16:54 InnoDB: Shutdown completed; log sequence number 1595675 start: Job failed to start invoke-rc.d: initscript mysql, action "start" failed. dpkg: Fehler beim Bearbeiten von mysql-server-5.5 (--configure): Unterprozess installiertes post-installation-Skript gab den Fehlerwert 1 zurück dpkg: Abhängigkeitsprobleme verhindern Konfiguration von mysql-server: mysql-server hängt ab von mysql-server-5.5; aber: Paket mysql-server-5.5 ist noch nicht konfiguriert. dpkg: Fehler beim Bearbeiten von mysql-server (--configure): Abhängigkeitsprobleme - verbleibt unkonfiguriert Es wurde kein Apport-Bericht verfasst, da die Fehlermeldung darauf hindeutet, dass dies lediglich ein Folgefehler eines vorherigen Problems ist. Fehler traten auf beim Bearbeiten von: mysql-server-5.5 mysql-server E: Sub-process /usr/bin/dpkg returned an error code (1)

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• PASS Summit 2011 &ndash; Part IV

  - by Tara Kizer

  This is the final blog for my PASS Summit 2011 series.  Well okay, a mini-series, I guess. On the last day of the conference, I attended Keith Elmore’ and Boris Baryshnikov’s (both from Microsoft) “Introducing the Microsoft SQL Server Code Named “Denali” Performance Dashboard Reports, Jeremiah Peschka’s (blog|twitter) “Rewrite your T-SQL for Great Good!”, and Kimberly Tripp’s (blog|twitter) “Isolated Disasters in VLDBs”. Keith and Boris talked about the lifecycle of a session, figuring out the running time and the waiting time.  They pointed out the transient nature of the reports.  You could be drilling into it to uncover a problem, but the session may have ended by the time you’ve drilled all of the way down.  Also, the reports are for troubleshooting live problems and not historical ones.  You can use Management Data Warehouse for historical troubleshooting.  The reports provide similar benefits to the Activity Monitor, however Activity Monitor doesn’t provide context sensitive drill through. One thing I learned in Keith’s and Boris’ session was that the buffer cache hit ratio should really never be below 87% due to the read-ahead mechanism in SQL Server.  When a page is read, it will read the entire extent.  So for every page read, you get 7 more read.  If you need any of those 7 extra pages, well they are already in cache.  I had a lot of fun in Jeremiah’s session about refactoring code plus I learned a lot.  His slides were visually presented in a fun way, which just made for a more upbeat presentation.  Jeremiah says that before you start refactoring, you should look at your system.  Investigate missing or too many indexes, out-of-date statistics, and other areas that could be leading to your code running slow.  He talked about code standards.  He suggested using common abbreviations for aliases instead of one-letter aliases.  I’m a big offender of one-letter aliases, but he makes a good point.  He said that join order does not matter to the optimizer, but it does matter to those who have to read your code.  Now let’s get into refactoring! Eliminate useless things – useless/unneeded joins and columns.  If you don’t need it, get rid of it! Instead of using DISTINCT/JOIN, replace with EXISTS Simplify your conditions; use UNION or better yet UNION ALL instead of OR to avoid a scan and use indexes for each union query Branching logic – instead of IF this, IF that, and on and on…use dynamic SQL (sp_executesql, please!) or use a parameterized query in the application Correlated subqueries – YUCK! Replace with a join Eliminate repeated patterns Last, but certainly not least, was Kimberly’s session.  Kimberly is my favorite speaker.  I attended her two-day pre-conference seminar at PASS Summit 2005 as well as a SQL Immersion Event last December.  Did I mention she’s my favorite speaker?  Okay, enough of that. Kimberly’s session was packed with demos.  I had seen some of it in the SQL Immersion Event, but it was very nice to get a refresher on these, especially since I’ve got a VLDB with some growing pains.  One key takeaway from her session is the idea to use a log shipping solution with a load delay, such as 6, 8, or 24 hours behind the primary.  In the case of say an accidentally dropped table in a VLDB, we could retrieve it from the secondary database rather than waiting an eternity for a restore to complete.  Kimberly let us know that in SQL Server 2012 (it finally has a name!), online rebuilds are supported even if there are LOB columns in your table.  This will simplify custom code that intelligently figures out if an online rebuild is possible. There was actually one last time slot for sessions that day, but I had an airplane to catch and my kids to see!

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• Added key, but still getting "gpg: Can't check signature: public key not found"

  - by gertvdijk

  Trying to download Django source package using dget and the .dsc file from here. Then dget fails to verify the source, because it is missing a public key. $ dget https://launchpad.net/ubuntu... [...] dscverify: python-django_1.4.1-2.dsc failed signature check: gpg: Signature made Tue 21 Aug 2012 09:12:04 CEST using RSA key ID F2AC729A gpg: Can't check signature: public key not found Validation FAILED!! Fine, I added this key to my keyring, because I think I can trust this one: $ gpg --keyserver keyserver.ubuntu.com --recv-key 0xF2AC729A gpg: requesting key F2AC729A from hkp server keyserver.ubuntu.com gpg: key F2AC729A: "Raphaël Hertzog <[email protected]>" not changed gpg: Total number processed: 1 gpg: unchanged: 1 (well, this output is run afterwards, when it was already in my keyring) And it is really there: $ gpg --fingerprint F2AC729A pub 4096R/F2AC729A 2009-05-07 Key fingerprint = 3E4F B711 7877 F589 DBCF 06D6 E619 045D F2AC 729A uid Raphaël Hertzog <[email protected]> uid Raphaël Hertzog (Debian) <[email protected]> uid Raphaël Hertzog (Freexian SARL) <[email protected]> sub 2048R/71F23DEE 2009-05-07 But still fails for the same reason: gpg: Signature made Tue 21 Aug 2012 09:12:04 CEST using RSA key ID F2AC729A gpg: Can't check signature: public key not found I'm running all these commands as my regular user. I also tried adding this key to APT's keyring and root's keyring. Both to no avail. What am I missing here?

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• How to resolve - dpkg error : old pre-removal script returned error exit status 102

  - by Siva Prasad Varma

  I am unable to install or remove a package on my Ubuntu 10.04 due to the following error. $ sudo apt-get autoremove Password: Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED: busybox 0 upgraded, 0 newly installed, 1 to remove and 9 not upgraded. 1 not fully installed or removed. Need to get 0B/212kB of archives. After this operation, 627kB disk space will be freed. Do you want to continue [Y/n]? y Selecting previously deselected package nscd. (Reading database ... 235651 files and directories currently installed.) Preparing to replace nscd 2.11.1-0ubuntu7.8 (using .../nscd_2.11.1-0ubuntu7.8_amd64.deb) ... invoke-rc.d: not a symlink: /etc/rc2.d/S76nscd dpkg: warning: old pre-removal script returned error exit status 102 dpkg - trying script from the new package instead ... invoke-rc.d: not a symlink: /etc/rc2.d/S76nscd dpkg: error processing /var/cache/apt/archives/nscd_2.11.1-0ubuntu7.8_amd64.deb (--unpack): subprocess new pre-removal script returned error exit status 102 update-rc.d: warning: /etc/rc2.d/S76nscd is not a symbolic link invoke-rc.d: not a symlink: /etc/rc2.d/S76nscd dpkg: error while cleaning up: subprocess installed post-installation script returned error exit status 102 Errors were encountered while processing: /var/cache/apt/archives/nscd_2.11.1-0ubuntu7.8_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) What should I do to resolve this error? I have tried sudo dpkg --remove --force-remove-reinstreq nscd but it did not work.

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• Intellectual Property for in house development

  - by Kyle Rogers

  My company is a sub contractor on a major government contract. Over the past 5 years we've been developing in house applications to help support our company and streamline our work. Apparently in 2008 our president of the company at that time signed a continuation of services contract with the company we subcontract with on this project. In the contract amendment various things were discussed such as intellectual property and the creation of new and existing tools. The contract states that all the subcontractor's tools/scripts/etc... become the intellectual property of the main contractor holder. Basically all tools that were created in support of the project which we work on are no longer ours exclusively and they have rights to them. My company really doesn't do software development specifically but because of this contract these tools helped tremendously with our daily tasking. Does my company have any sort of recourse or actions to help keep our tools? My team of developers were completely unaware of any of these negotiations and until recently were kept in the dark about the agreements that were made. Do we as developers have any rights to the software? Since our company is not a software development shop, we have created all these tools without any sort of agreements or contracts within the company stating that we give our company full rights to our creations? I was reading an article by Joel Spolsky on this topic and was just wonder if there is any advice out there to help assist us? Thank you Joel Spolsky's Article

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• unable to install anything ,getting error subprocess installed post-installation script returned error exit status 1

  - by soum

  dpkg: error processing mono-4.0-gac (--configure): subprocess installed post-installation script returned error exit status 1 Processing triggers for mousetweaks ... No apport report written because MaxReports is reached already postinst called with unknown argument `triggered' dpkg: error processing mousetweaks (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already Processing triggers for mozilla-plugin-vlc ... postinst called with unknown argument `triggered' dpkg: error processing mozilla-plugin-vlc (--configure): subprocess installed post-installation script returned error exit status 1 Processing triggers for mtools ... No apport report written because MaxReports is reached already postinst called with unknown argument `triggered' dpkg: error processing mtools (--configure): subprocess installed post-installation script returned error exit status 1 Processing triggers for network-manager-pptp-gnome ... No apport report written because MaxReports is reached already postinst called with unknown argument `triggered' dpkg: error processing network-manager-pptp-gnome (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already Processing triggers for network-manager-pptp ... postinst called with unknown argument `triggered' dpkg: error processing network-manager-pptp (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already Processing triggers for network-manager-gnome ... /var/lib/dpkg/info/network-manager-gnome.postinst called with unknown argument `triggered' dpkg: error processing network-manager-gnome (--configure): subprocess installed post-installation script returned error exit status 1 Processing triggers for network-manager ... No apport report written because MaxReports is reached already /var/lib/dpkg/info/network-manager.postinst called with unknown argument `triggered' dpkg: error processing network-manager (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already Processing triggers for mscompress ... postinst called with unknown argument `triggered' dpkg: error processing mscompress (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already Errors were encountered while processing: netbase mtr-tiny module-init-tools mountmanager mono-4.0-gac mousetweaks mozilla-plugin-vlc mtools network-manager-pptp-gnome network-manager-pptp network-manager-gnome network-manager mscompress E: Sub-process /usr/bin/dpkg returned an error code (1)

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• Cannot reinstall MySql in 11.10 - ERROR: There's not enough space in /var/lib/mysql/

  - by Robin McCain

  I've tried it all (removing all the packages associated with MySQL) but keep getting stuff like this: Preconfiguring packages ... (Reading database ... 142196 files and directories currently installed.) Unpacking mysql-server-5.1 (from .../mysql-server-5.1_5.1.63-0ubuntu0.11.10.1_amd64.deb) ... ERROR: There's not enough space in /var/lib/mysql/ dpkg: error processing /var/cache/apt/archives/mysql-server-5.1_5.1.63-0ubuntu0.11.10.1_amd64.deb (--unpack): subprocess new pre-installation script returned error exit status 1 Errors were encountered while processing: /var/cache/apt/archives/mysql-server-5.1_5.1.63-0ubuntu0.11.10.1_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) Here is my drive space map. root@kyle:/# df Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/kyle-root 59361428 59021768 0 100% / udev 1014052 8 1014044 1% /dev tmpfs 409304 1476 407828 1% /run none 5120 0 5120 0% /run/lock none 1023256 0 1023256 0% /run/shm /dev/sda1 233191 46888 173862 22% /boot /dev/md0 1922858288 1048513192 776669500 58% /media/array The root volume actually only has about 10 gigabytes in use on the hard drive (which has a 60 gig partition). /dev/md0 is a 2 TB raid array.

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• Not use CSS definitions for one <FORM>

  - by Svisstack

  I have template from themeforest and i dont want edit css from this template, because i don't have time for it. But i want integrate paypal buttons to my webpage, problem is paypal button use tag for selection payment option. I have overloaded style for tag and this not look like should. How to not use CSS for this element. I dont want use and if i don't must then i dont want edit this CSS;-) This css look wired, i must edit her to solve this problem? What is best solution for this? /*//// - Forms - ////*/ form { margin-bottom:20px; } body.ie7 form, body.ie8 { margin-bottom:40px; } form p { margin-bottom:15px; } form label { float:left; width:140px; margin-top:5px; } form input, form textarea, form select { padding:10px 5px; background:#fff url(../img/bg-input.gif) repeat-x top; border:1px solid #D9D9D9; width:448px; border-radius:3px; -moz-border-radius:3px; -webkit-border-radius:3px; } form input.small { width:35px; } html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, figure, footer, header, hgroup, menu, nav, section, menu, time, mark, audio, video { margin:0; padding:0; border:0; outline:0; font-size:100%; vertical-align:baseline; background:transparent; } Can anyone help me?

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• Flash removal and installation issue

  - by Theo

  I'm having this issue trying to uninstall and/or upgrade the Adobe flash player plug-in. Here's what I've ran through the terminal: $ sudo apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following packages were automatically installed and are no longer required: linux-headers-3.0.0-13-generic libgladeui-1-11 linux-headers-3.0.0-19-generic linux-headers-3.0.0-13 linux-headers-3.0.0-19 erlang-base Use 'apt-get autoremove' to remove them. The following packages will be REMOVED: adobe-flashplugin 0 upgraded, 0 newly installed, 1 to remove and 2 not upgraded. 1 not fully installed or removed. After this operation, 10.2 MB disk space will be freed. Do you want to continue [Y/n]? y (Reading database ... 375840 files and directories currently installed.) Removing adobe-flashplugin ... update-alternatives: error: no alternatives for iceape-flashplugin. update-alternatives: error: no alternatives for iceape-flashplugin. dpkg: error processing adobe-flashplugin (--remove): subprocess installed pre-removal script returned error exit status 2 No apport report written because MaxReports is reached already postinst called with argument `abort-remove' dpkg: error while cleaning up: subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: adobe-flashplugin E: Sub-process /usr/bin/dpkg returned an error code (1) Please advise if you can. Let me know if there is any other info you need.

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• I love it when a plan comes together

  - by DavidWimbush

  I'm currently working on an application so that our Marketing department can produce most of their own mailing lists without my having to get involved. It was all going well until I got stuck on the bit where the actual SQL query is generated but a rummage in Books Online revealed a very clean solution using some constructs that I had previously dismissed as pointless. Typically we want to email every customer who is in any of the following n groups. Experience shows that a group has the following definition: <people who have done A> [(AND <people who have done B>) | (OR <people who have done C>)] [APART FROM <people who have done D>] When doing these by hand I've been using INNER JOIN for the AND, UNION for the OR, and LEFT JOIN + WHERE D IS NULL for the APART FROM. This would produce two quite different queries: -- Old OR select  A.PersonID from  (   -- A   select  PersonID   from  ...   union  -- OR   -- C   select  PersonID   from  ...   ) AorC   left join  -- APART FROM   (   select  PersonID   from  ...   ) D on D.PersonID = AorC.PersonID where  D.PersonID is null -- Old AND select  distinct main.PersonID from  (   -- A   select  PersonID   from  ...   ) A   inner join  -- AND   (   -- B   select  PersonID   from  ...   ) B on B.PersonID = A.PersonID   left join  -- APART FROM   (   select  PersonID   from  ...   ) D on D.PersonID = A.PersonID where  D.PersonID is null But when I tried to write the code that can generate the SQL for any combination of those (along with all the variables controlling what each SELECT did and what was in all the optional bits of each WHERE clause) my brain started to hurt. Then I remembered reading about the (then new to me) keywords INTERSECT and EXCEPT. At the time I couldn't see what they added but I thought I would have a play and see if they might help. They were perfect for this. Here's the new query structure: -- The way forward select  PersonID from  (     (       (       -- A       select  PersonID       from  ...       )       union      -- OR        intersect  -- AND       (       -- B/C       select  PersonID       from  ...       )     )     except     (     -- D     select  PersonID     from  ...     )   ) x I can easily swap between between UNION and INTERSECT, and omit B, C, or D as necessary. Elegant, clean and readable - pick any 3! Sometimes it really pays to read the manual.

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• Error when upgrading initscripts using dist-upgrade on a cd image using uck

  - by InkBlend

  I was using UCK to customize an Ubuntu 11.10 image, and ran a dist-upgrade on it (from the console) to try to update all of the packages on it. The upgrade worked successfully for all but two packages, so I tried again and got the same error message. This is what happened: # sudo apt-get dist-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 2 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue [Y/n]? y Setting up initscripts (2.88dsf-13.10ubuntu4.1) ... guest environment detected: Linking /run/shm to /dev/shm rmdir: failed to remove `/run/shm': Device or resource busy Can't symlink /run/shm to /dev/shm; please fix manually. dpkg: error processing initscripts (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already dpkg: dependency problems prevent configuration of ifupdown: ifupdown depends on initscripts (>= 2.88dsf-13.3); however: Package initscripts is not configured yet. dpkg: error processing ifupdown (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already Errors were encountered while processing: initscripts ifupdown E: Sub-process /usr/bin/dpkg returned an error code (1) # How can I fix this? Is the problem with the ISO, dpkg, or can I just not upgrade some packages with UCK? I am using Ubuntu 11.10 to and UCK 2.4.5 to customize an Ubuntu 11.10 image.

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• SEO for Country & Language Specific content.

  - by kecebongsoft

  Currently I am creating a website which has a common topic for an article, but it's going to be different content for each country, and also, each of that content will be provided in several languages. And this mechanism exists in most of the parts in the website. For example, I have an article about tax. This article has to be different for each country, for example china. And tax content for china should be written in china AND english language (for non china-speaker). What is the best URL pattern to handle this? What I've been thinking is, using a sub folder (/country-code/language-code/) such as: www.example.com/cn/cn/tax www.example.com/cn/en/tax Or using top level domain such as: www.example.cn/cn/tax www.example.cn/en/tax Or subdomain such as cn.example.com/cn/tax cn.example.com/en/tax I think I will not prefer the last option since I might need to use subdomain for other purpose. Which left only subfolder and TLDN. I've read some articles saying that TLDN is good for localized content (language-specific content), but in my case, my TLDN will also has english contents (for non local speaker) which is specific only to that particular country (also the purpose of this is to let people from other country easily search it through google). What is the best pattern to pick and why?.

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• Real Excel Templates 1.5

  - by Tim Dexter

  Not the next installment quite yet, just an update from what I knew yesterday. Right after I posted the Real Excel Templates I. Mike from the PM team got in touch to say he and Shirley had just had a meeting with a customer about the Excel Templates and all the fab features. He included BIPs extended functions, data pre-processing, sub templates and other functionality which was great new news. One caveat, much of the really new stuff, is not quite out in the wild yet. Will let you know as soon as I know more. Shirley and I shared a conversation around being able to re-group data in the templates. It's one of the most powerful features of the RTF template. Providing the ultimate flexibility in layouts. As I wrote yesterday, you need hierarchical data for Excel templates. I stand corrected, 'Of course you can do that in Excel, here's an example' said Shirley 'Very cunning Shirley, very cunning' says I. You can basically use the hidden sheet to re-group the data using native XSL. I'll cover the 'how' later. As you can see Excel templates are the new 'black' with lots of attention and more importantly development cycles to take them forward. Looks like we are going to have a great weekend weather wise here in Colorado. The yard work and pond are beckoning. Maybe the trout will be rising and I can give my rusty fly casting skills a run for their money. I need some stupid fish thou :0) See ya'll next week!

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• Cannot install extensions required for GNOME Shell themes

  - by Soham Chowdhury

  I keep getting this output: soham@fortress:~$ sudo apt-get install gnome-shell-extensions gnome-tweak-tool Reading package lists... Done Building dependency tree Reading state information... Done gnome-tweak-tool is already the newest version. The following NEW packages will be installed: gnome-shell-extensions 0 upgraded, 1 newly installed, 0 to remove and 43 not upgraded. 1 not fully installed or removed. Need to get 0 B/121 kB of archives. After this operation, 849 kB of additional disk space will be used. Do you want to continue [Y/n]? y (Reading database ... 179291 files and directories currently installed.) Unpacking gnome-shell-extensions (from .../gnome-shell-extensions_3.4.1~git20120508.dfd7191a-0ubuntu1~12.04~ricotz0_all.deb) ... dpkg: error processing /var/cache/apt/archives/gnome-shell-extensions_3.4.1~git20120508.dfd7191a-0ubuntu1~12.04~ricotz0_all.deb (--unpack): trying to overwrite '/usr/share/locale/lv/LC_MESSAGES/gnome-shell-extensions.mo', which is also in package gnome-shell-extensions-common 3.2.0-0ubuntu1~oneiric1 No apport report written because MaxReports is reached already dpkg-deb: error: subprocess paste was killed by signal (Broken pipe) Errors were encountered while processing: /var/cache/apt/archives/gnome-shell-extensions_3.4.1~git20120508.dfd7191a-0ubuntu1~12.04~ricotz0_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) Update: Fixed that. Now GNOME Tweak Tool shows me an exclamation mark beside the extension enable button, saying "Extension doesn't support shell version". My GNOME shell is already the latest version. Help!

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• Experience the new Bootloader of CE7 VirtualPC BSP - Display Resolution Override

  - by Kate Moss' Open Space

  The CE 7 (aka. Windows Embedded Compact) provides many new features, a new VirtualPC is one of them and as a replacement of Device Emulator in CE 6.   The bootloader of VPC BSP utilize a new introduced framework in CE7, the BLDR (not the BIOSLOADER!) It provides many rich and advanced feature, I will introduce more detail in my future posts. Today, I am going to introduce a basic usage: setting the display resolution. One of the benefit os using the BLDR is it provides interactive user interface, no DOS enviroment required, so user can change the setting on the console. It is especially useful on VPC: if you are not using Win7, edit a file in VHD could take some effort! In the Boot menu, you can select [5] Display Settings. There are a couples of sub menu allow you to change resolution, bpp and etc. As it is very straight forward, I won't go through each option except to the Option [3] "Change Viewable Display Region". The resolution it provides depends on the BIOS (VPC is a PC compatible device), and the minimum resolution it provides is 640x480. But what if user need smaller resolution or any non-standard resolution for whatever reason, it comes the use of "Change Viewable Display Region". User can use it to create a reduced display region. e.g. 240x320 on 640x480 screen. Also you can alter the platform\virtualpc\src\boot\bldr\config.c to add a non-standard resolution (e.g. 480x272) to displayMode array. Another solution in case of you don't want to rebuilt and replace bootloader is to alter SaveVGAArgs in platform\common\src\x86\common\io\ioctl.c to overwrite cxDisplayScreen and cyDisplayScreen setting to whatever resolution you want.

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• IIS Not Accepting Active Directory Login Credentials

  - by Dale Jay

  I have an ASP.NET web form using Microsoft's boilerplate Active Directory login page, set up exactly as suggested. Windows Authentication is activated on the "Default Website" and "MyWebsite" levels, and Domain\This.User is given "Allow" access to the site. After entering the valid credentials for This.User on the web form, a popup window appears asking me to enter my credentials yet again. Despite entering valid credentials for This.User (after attempting Domain\This.User and This.User formats), it rejects the credentials and returns an unauthorized security headers page (error 401.2). Active Directory user This.User is valid, the IP address of the AD server has been verified and SPN's have been set up for the server. Error Code: 0x80070005 Default Web Site security config: <system.web> <identity impersonate="true" /> <authentication mode="Windows" /> <customErrors mode="Off" /> <compilation debug="true" /> </system.web> Sub web site security <authentication mode="Windows"> <forms loginUrl="~/logon.aspx" timeout="2880" /> </authentication> <authorization> <deny users="?" /> <allow users="*" /> </authorization>

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