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• Ubuntu Volume overriding settings set in Alsamixer

  - by Hayek

  Problem: How do I "lock in" the volume I set through alsamixer? I'm running Ubuntu 9.10. I adjusted the bass/treble columns in alsamixer but changing the system volume resets them all back to 100% I did save the settings by running alsactl store but everything is reset once I touch Ubuntu's volume icon in the top menu bar. This is rather painful because the computer is hooked up to a 650watt system with a massive subwoofer. As much as I enjoy my music, there's no need to have the walls vibrate :) What can I do to prevent Ubuntu from overriding the settings?

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• Chef cookbooks marked as executed

  - by Gonzalo Alvarez

  I have setup a Chef server in our network that I use to manage several nodes. These nodes have a chef-client installed executing as a daemon every X minutes. The problem is that every time the client runs, it executes the recipes for all the cookbooks, even those previously executed, so it consumes resources and sometimes it even breaks thinks (with services restarts, for example). I know that I can avoid executing a piece of code or a recipe I create as detailed here: Prevent chef recipe from executing previously executed action? but, would this mean that I should modify any cookbook that I download from the opscode repository. In other words, is it possible to make the chef server (or the clients) to mark the cookbooks as 'executed' as soon as they are executed the first time?

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• FreeNAS/ZFS/Raid-Z slightly different disks

  - by muskratt

  I'm considering using FreeNAS and "recycling" some of my older 1TB disks. Two are the exact same model Western Digital while another is Seagate and the fourth is Samsung. Typically, since all disks are not equal, I'll create my arrays on a Windows-based server 1GB undersized to prevent a replacement disk not being large enough. Dell is notorious for sending replacement SATA disks of different brand---knock on wood, no problems yet. Since not all drives are created equally and they can vary a few MBs, is there a way to make the the FreeNas/ZFS/Raid-Z function in the same way I do for my Windows-based servers above? Thanks

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• I get a consistency y error when I use my second hard drive

  - by Stavros

  I have two hard drives with win8 installed to both of them. Sometimes, when I boot from the second one (with F12 boot-menu and the second drive selection) and later reboot and start my PC from the first one, I get a disk error for a consistency problem. Windows ask for a disk check and after that, I can't anymore boot from the second drive or have access to it. Why this happens and how can I prevent it? What options do I have except from reinstalling windows? Thanks Stavros

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• SQL server availability issue: large query stops other connections from connecting

  - by Carlos

  I've got a high-spec (multicore, RAID) server running MS SQL 2008, with several databases on it. I have a low throughput process that periodically needs a small amount of information from one of the DBs, and the code seems to work fine. However, sometimes when one of my colleagues does a huge query against one of the other DBs, I see full CPU usage on the machine, and connections from my app time out. Why does this happen? I would have thought the many cores and harddisks would somehow (together with cleverly written DB server) be able to keep at least some of the resources free for other apps? I'm pretty sure he doesn't use multiple connections for his query. What can I do to prevent this?

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• Protect individual sites on Ubuntu/Apache server

  - by Christoffer

  Hi,?? I need to set up a Apache server configuration for some client sites that run under the same Ubuntu 9.10 machine. All sites are allowed to run PHP, Python and Ruby on Rails. I do not control the source code of these sites and so I need to set up a filter in order to prevent one user to reach files on another users account.?? If I run a script to list files in "/" from one account, I can browse some files and directories in the actual server root. I want to set the root for each account to /var/usersite.com/www/ instead so that listing files in "/" shows the files in the client's root. ??How is this most easily configured??? Cheers!? /Christoffer

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• Can a custom DPI setting be applied to Remote Desktop sessions?

  - by sejong

  Can a custom DPI setting be applied to Remote Desktop sessions? When you try to change the DPI from a Remote Desktop session, you get a message that display settings can't be changed from a remote session. That made me think that changing DPI from a console setting would work. It did, sort of. If I connected via Remote Desktop to an existing console session with a custom DPI setting, that setting would be applied to the Remote Desktop session. However, if I logged off that session, the custom DPI would not be applied to subsequent Remote Desktop sessions even though it was maintained for subsequent console sessions. It looks like the registry value HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics\AppliedDPI (and perhaps other values) is overwritten at logon, but I haven't been able figure out how to prevent it.

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• All invalid hosts gets resolved to "com.org"

  - by Vi

  vi@vi-server:~$ nslookup nonexistent.itransition.com Server: 8.8.8.8 Address: 8.8.8.8#53 ** server can't find nonexistent.itransition.com: NXDOMAIN vi@vi-server:~$ cat /etc/resolv.conf nameserver 8.8.8.8 It does not exist. The same result from dig nonexistent.itransition.com. vi@vi-server:~$ ping nonexistent.itransition.com PING nonexistent.itransition.com.org (216.234.246.153) 56(84) bytes of data. 64 bytes from 99.f6.ead8.static.theplanet.com (216.234.246.153): icmp_seq=1 ttl=46 time=128 ms 64 bytes from 99.f6.ead8.static.theplanet.com (216.234.246.153): icmp_seq=2 ttl=46 time=128 ms It catches all invalid hostnames? Why? How to prevent?

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• Automatically Log off Google when logging in using Google OpenID?

  - by Ross Charette

  I use Google as my OpenID provider. Once you log into a website with Google's OpenID I am then logged into Google as well. I do not desire this. Can I somehow automatically log off my Google account, or prevent Google from logging in every time I use my Google OpenID? I prefer not to have my personal google account always logged in. It's not a big deal going to gmail and clicking log off, but if there is a simpler way that would be good. Note to admins: this is not just for stack overflow, please don't close the question.

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• How to stop Word 2011 opening hyperlinks on click?

  - by John Yeates

  In previous versions of MS Word, there was a preference for the action to be taken when the user clicked a hyperlink: open it, or edit it. Word 2011 appears to have defaulted to opening the hyperlink, and I can't find the preference to change this behaviour. How can I change Word's default behaviour when a hyperlink is clicked to be editing the text of the hyperlink? Holding down a modifier key when clicking is not an acceptable solution, as the aim here is to prevent misclicks from causing web pages to open. Edit: the links need to stay as links in the saved document. But when clicked on my machine, they should not open; Word needs to default to just editing the link, so an inaccurate click does not take me out of the document into Safari. Older versions of Word had a preference controlling this, and Microsoft seem to have removed it and fixed the behaviour at the unsafe option in order to satisfy the point-and-drool crowd.

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• Force '^C' to be printed when editing current prompt, then aborting it

  - by Stefan Lasiewski

  This is the opposite of Prevent “^C” from being printed when aborting editing current prompt. I'm using Bash. When I'm editing the commandline in Bash, and I hit Control-C to abort the commandline, the '^C' character does not display. I would like to see this character. I tried commands like stty -ctlecho and stty ctlecho (which I borrowed from the other question), but this didn't work for me. This behavior seems to be true with my environment on Ubuntu, CentOS and MacOSX.

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• How to bring application to front every 15 minutes on Mac OS X Lion?

  - by johnnyb10

  I have a free or cheap little app called Desktop Task Timer LE that I've been using to track my time as I work on various projects. I'd like to have it pop up as the foreground app every 15 minutes to prevent me from forgetting to stop/change the timer after I've moved on to a different task. I know I can have the app launch using a script in Automator or AppleScript, but I don't know how to have that script fire off every 15 minutes. I've read about using Launchd and iCal, but I'm still not sure how to do it. (Actually, iCal is probably simple, but I'd like to avoid using it for this.) Any ideas? Also, a further feature would be to have it pop up after 5 (or x) minutes of inactivity on the computer. Not sure if this would work for my needs, but I'd like to test it if possible.

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• How Do I Make A Bash Script for Git Checkin/Checkout?

  - by ServerChecker

  I was thinking of bringing up a git service on an Ubuntu server. However, the way me and another programmer operate -- we really want to try and stick to one person working on a project at a time. How would I make a Bash script to create a check in and check out with git? We want to prevent anyone from checking in code that hasn't already been checked in, and it should error out with the name of the person who has the code checked out. EDIT: I'm not really interested in using Git with its fantastic diff features. I move 100mph and don't have time to play diff games with the other developers. That's why we're using Git. If the other developers want to play the diff game, they can still do so. But when I check something out, I want it locked to everyone until I check it back in again.

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• Ignore subdomain rewrite rules

  - by user55745

  I'm having difficulty having a sub folder act differently to the main domain in my web.config for iss. I want to prevent the sub folder from rewriting to the baselevel index.php and instead re-write to /subfolder/index.php/ I've tried this <rule name="Remove index.php for quiz" enabled="true" stopProcessing="false"> <match url="^(gsoquiz/)(.*)$" ignoreCase="false" trackAllCaptures="false" /> <conditions logicalGrouping="MatchAll"> <add input="{R:1}" negate="true" pattern="^(index\.php|admin\.php)" /> </conditions> <action type="Rewrite" url="/gsoquiz/index.php/{R:1}" /> </rule> But all I get is The page cannot be displayed because an internal server error has occurred. Any help as to where I'm going wrong would be greatly appreciated. Going mad trying to figure this out :).

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• Game logic dynamically extendable architecture implementation patterns

  - by Vlad

  When coding games there are a lot of cases when you need to inject your logic into existing class dynamically and without making unnecessary dependencies. For an example I have a Rabbit which can be affected by freeze ability so it can't jump. It could be implemented like this: class Rabbit { public bool CanJump { get; set; } void Jump() { if (!CanJump) return; ... } } But If I have more than one ability that can prevent it from jumping? I can't just set one property because some circumstances can be activated simultanously. Another solution? class Rabbit { public bool Frozen { get; set; } public bool InWater { get; set; } bool CanJump { get { return !Frozen && !InWater; } } } Bad. The Rabbit class can't know all the circumstances it can run into. Who knows what else will game designer want to add: may be an ability that changes gravity on an area? May be make a stack of bool values for CanJump property? No, because abilities can be deactivated not in that order in which they were activated. I need a way to seperate ability logic that prevent the Rabbit from jumping from the Rabbit itself. One possible solution for this is making special checking event: class Rabbit { class CheckJumpEventArgs : EventArgs { public bool Veto { get; set; } } public event EventHandler<CheckJumpEvent> OnCheckJump; void Jump() { var args = new CheckJumpEventArgs(); if (OnCheckJump != null) OnCheckJump(this, args); if (!args.Veto) return; ... } } But it's a lot of code! A real Rabbit class would have a lot of properties like this (health and speed attributes, etc). I'm thinking of borrowing something from MVVM pattern where you have all the properties and methods of an object implemented in a way where they can be easily extended from outside. Then I want to use it like this: class FreezeAbility { void ActivateAbility() { _rabbit.CanJump.Push(ReturnFalse); } void DeactivateAbility() { _rabbit.CanJump.Remove(ReturnFalse); } // should be implemented as instance member // so it can be "unsubscribed" bool ReturnFalse(bool previousValue) { return false; } } Is this approach good? What also should I consider? What are other suitable options and patterns? Any ready to use solutions? UPDATE The question is not about how to add different behaviors to an object dynamically but how its (or its behavior) implementation can be extended with external logic. I don't need to add a different behavior but I need a way to modify an exitsing one and I also need a possibiliity to undo changes.

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• High Lock Wait ratio in MySQL

  - by FunkyChicken

  on my site I log every pageview (date,ip,referrer,page,etc) in a simple mysql table. This table gets very little selects (3 per minute), but a lot of inserts. (about 100 per second) Today I changed this table from an InnoDB table to a MEMORY table, this made sense to me to prevent unnecessary hard disk IO. I also prune this table once per minute, to make sure it never get's too big. -- Performance wise, things are running fine. But I noticed that while running tuning-primer, that my Current Lock Wait ratio is quite high. Current Lock Wait ratio = 1 : 561 My question: Should I worry about this Lock Wait Ratio? And is there something I can change in my my.cnf to improve things so that the lock wait ratio isn't so high?

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• Preventing logrotate's dateext from overwriting files

  - by Thirler

  I'm working with a system where I would like to use the dateext function of logrotate (or some other way) to add the date to a logfile when it is rotated. However in this system it is important that no logging is missing and dateext will overwrite any existing files (which will happen if logrotate is called twice on a day). Is there a reliable way to prevent dateext to overwrite existing files, but instead make another file?. It is acceptable that either no rotate happens or a file is created with a less predictable name (date with an extra number, or the time or something).

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• Phishing site uses subdomain that I never registered

  - by gotgenes

  I recently received the following message from Google Webmaster Tools: Dear site owner or webmaster of http://gotgenes.com/, [...] Below are one or more example URLs on your site which may be part of a phishing attack: http://repair.gotgenes.com/~elmsa/.your-account.php [...] What I don't understand is that I never had a subdomain repair.gotgenes.com, but visiting it in the web browser gives an actual My DNS is FreeDNS, which does not list a repair subdomain. My domain name is registered with GoDaddy, and the nameservers are correctly set to NS1.AFRAID.ORG, NS2.AFRAID.ORG, NS3.AFRAID.ORG, and NS4.AFRAID.ORG. I have the following questions: Where is repair.gotgenes.com actually registered? How was it registered? What action can I take to have it removed from DNSs? How can I prevent this from happening in the future? This is pretty disconcerting; I feel like my domain has been hijacked. Any help would be much appreciated.

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• How to get a list of all software that starts automatically when Windows 7 starts?

  - by hippietrail

  I know that under Windows there are multiple ways to get an app to autostart but I can never remember what all of those ways are. Is there a single unified way to bring up a list of all programs which are set to run themselves at startup and let me disable those I don't want? I'd prefer something built into Windows. I have Windows 7 Starter. But a free / open source / shareware tool would also be acceptable. (This time the software I want to prevent from autostarting is: MSN Messenger, Y! Messenger, and Vodaphone Mobile Broadband, which starts whether the dongle is inserted or not. None of these three are in Windows's "Startup" folder.)

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• Filtering attachment types in Google Apps (free Google Business)

  - by Ernest

  We have Google apps in our company for mail delivery, our business can't pay the business version yet, however, we need to control the attachment types that employees download. We recently switched from another hosting provider who recomended us to plug Google Apps for mail when we moved the domain, we had a firewall before which was able to prevent certain file types to be downloaded. I know the business version has section for filtering mail (postini services). Is there a hack around my problem? Anyone ever had this problem? Thank you! UPDATE: The main problem is gmail apps uses ssl connection, can this be changed ? how can i get the firewall to filter files only allowing *.doc, *.xls y *.pdf.

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• Macro name being changed in Excel

  - by Brian Hooper

  I am creating VBA macros in my Excel spreadsheet. I notice that from time to time (after saving the spreadsheet and reopening it, usually) one or more of the macro names is being changed from sheet1.macroname to spreadsheetname.xls!macroname. This isn't a valid macro name so I can no longer run it. I can fix the problem by deleting all the macros, saving the result, pasting the macros back in again and saving again, but one can't expect normal users to do that. Does anyone know what is causing this, and what I can do to prevent it?

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• Whats a good secure Windows FTP server?

  - by Keith Nicholas

  Whats a good FTP server? I have been running FileZilla, which seems okish. But I've noticed that a lot of people try to hack ftp servers and FileZilla only has very basic controls to prevent people from hacking. (so far no ones actually managed to get in... so thats good!) I was wondering if there were better options out there? Especially interested in recommendations from people who know they get targeted by hackers.

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• Help w/ error "Account exceeded bandwidth limits" Thunderbird 3 + Gmail

  - by boo

  Over the past two days I have been receiving the following message on a new computer running Windows 7: Account exceeded bandwidth limits. (Failure) Whenever I try to access my emails through Thunderbird, this is followed by: Login to server imap.gmail.com failed. Credentials are correct as I have access via HTTP. And then it requests me to enter my password (I have also unlocked the captcha on this account, but this didn't stop any error messages) I'm looking for a details on why this is happening, to prevent it from reoccurring, such as whether this is specific to something in Thunderbird 3 or google?

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• How do I disable automatic updates on OpenSUSE 12.2

  - by MathematicalOrchid

  For reasons unknown, OpenSUSE seems to have half a dozen different places that mention auto-update. Is there a way I can definitely, permanently, irreversibly disable auto-update so that new software will never, ever, under any circumstances, be installed? Ideally I want to prevent the OS from even connecting to the Internet to see if any updates are available. I've unchecked half a dozen things, but I'm still getting alerts telling me updates are available. I do now want updates! I can't believe this is so hard to turn off... In case it makes any difference, OpenSUSE 12.2 with a GNOME desktop.

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• Using VBA / Macro to highlight changes in excel

  - by Zaj

  I have a spread sheet that I send out to various locations to have information on it updated and then sent back to me. However, I had to put validation and lock the cells to force users to input accurate information. Then I can to use VBA to disable the work around of cut copy and paste functions. And additionally I inserted a VBA function to force users to open the excel file in Macros. Now I'm trying to track the changes so that I know what was updated when I recieve the sheet back. However everytime i do this I get an error when someone savesthe document and randomly it will lock me out of the document completely. I have my code pasted below, can some one help me create code in the VBA forum to highlight changes instead of through excel's share/track changes option? ThisWorkbook (Code): Option Explicit Const WelcomePage = "Macros" Private Sub Workbook_BeforeClose(Cancel As Boolean) Call ToggleCutCopyAndPaste(True) 'Turn off events to prevent unwanted loops Application.EnableEvents = False 'Evaluate if workbook is saved and emulate default propmts With ThisWorkbook If Not .Saved Then Select Case MsgBox("Do you want to save the changes you made to '" & .Name & "'?", _ vbYesNoCancel + vbExclamation) Case Is = vbYes 'Call customized save routine Call CustomSave Case Is = vbNo 'Do not save Case Is = vbCancel 'Set up procedure to cancel close Cancel = True End Select End If 'If Cancel was clicked, turn events back on and cancel close, 'otherwise close the workbook without saving further changes If Not Cancel = True Then .Saved = True Application.EnableEvents = True .Close savechanges:=False Else Application.EnableEvents = True End If End With End Sub Private Sub Workbook_BeforeSave(ByVal SaveAsUI As Boolean, Cancel As Boolean) 'Turn off events to prevent unwanted loops Application.EnableEvents = False 'Call customized save routine and set workbook's saved property to true '(To cancel regular saving) Call CustomSave(SaveAsUI) Cancel = True 'Turn events back on an set saved property to true Application.EnableEvents = True ThisWorkbook.Saved = True End Sub Private Sub Workbook_Open() Call ToggleCutCopyAndPaste(False) 'Unhide all worksheets Application.ScreenUpdating = False Call ShowAllSheets Application.ScreenUpdating = True End Sub Private Sub CustomSave(Optional SaveAs As Boolean) Dim ws As Worksheet, aWs As Worksheet, newFname As String 'Turn off screen flashing Application.ScreenUpdating = False 'Record active worksheet Set aWs = ActiveSheet 'Hide all sheets Call HideAllSheets 'Save workbook directly or prompt for saveas filename If SaveAs = True Then newFname = Application.GetSaveAsFilename( _ fileFilter:="Excel Files (*.xls), *.xls") If Not newFname = "False" Then ThisWorkbook.SaveAs newFname Else ThisWorkbook.Save End If 'Restore file to where user was Call ShowAllSheets aWs.Activate 'Restore screen updates Application.ScreenUpdating = True End Sub Private Sub HideAllSheets() 'Hide all worksheets except the macro welcome page Dim ws As Worksheet Worksheets(WelcomePage).Visible = xlSheetVisible For Each ws In ThisWorkbook.Worksheets If Not ws.Name = WelcomePage Then ws.Visible = xlSheetVeryHidden Next ws Worksheets(WelcomePage).Activate End Sub Private Sub ShowAllSheets() 'Show all worksheets except the macro welcome page Dim ws As Worksheet For Each ws In ThisWorkbook.Worksheets If Not ws.Name = WelcomePage Then ws.Visible = xlSheetVisible Next ws Worksheets(WelcomePage).Visible = xlSheetVeryHidden End Sub Private Sub Workbook_Activate() Call ToggleCutCopyAndPaste(False) End Sub Private Sub Workbook_Deactivate() Call ToggleCutCopyAndPaste(True) End Sub This is in my ModuleCode: Option Explicit Sub ToggleCutCopyAndPaste(Allow As Boolean) 'Activate/deactivate cut, copy, paste and pastespecial menu items Call EnableMenuItem(21, Allow) ' cut Call EnableMenuItem(19, Allow) ' copy Call EnableMenuItem(22, Allow) ' paste Call EnableMenuItem(755, Allow) ' pastespecial 'Activate/deactivate drag and drop ability Application.CellDragAndDrop = Allow 'Activate/deactivate cut, copy, paste and pastespecial shortcut keys With Application Select Case Allow Case Is = False .OnKey "^c", "CutCopyPasteDisabled" .OnKey "^v", "CutCopyPasteDisabled" .OnKey "^x", "CutCopyPasteDisabled" .OnKey "+{DEL}", "CutCopyPasteDisabled" .OnKey "^{INSERT}", "CutCopyPasteDisabled" Case Is = True .OnKey "^c" .OnKey "^v" .OnKey "^x" .OnKey "+{DEL}" .OnKey "^{INSERT}" End Select End With End Sub Sub EnableMenuItem(ctlId As Integer, Enabled As Boolean) 'Activate/Deactivate specific menu item Dim cBar As CommandBar Dim cBarCtrl As CommandBarControl For Each cBar In Application.CommandBars If cBar.Name <> "Clipboard" Then Set cBarCtrl = cBar.FindControl(ID:=ctlId, recursive:=True) If Not cBarCtrl Is Nothing Then cBarCtrl.Enabled = Enabled End If Next End Sub Sub CutCopyPasteDisabled() 'Inform user that the functions have been disabled MsgBox " Cutting, copying and pasting have been disabled in this workbook. Please hard key in data. " End Sub

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