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  • systemctl (Fedora 17) and interacting spawned processes's consoles

    - by Sean
    Introduction I've recently upgraded to Fedora 17 and I'm getting used to the newer systemctl daemon manager versus shell init scripts. A feature I need on some of my daemons is the ability to interact with their consoles because unclean shutdowns not initiated by the process itself can cause database corruption. So, performing a systemctl stop service-name.service for example might cause irreversible data loss. These consoles read user input through stdin or similar methods, so what I've been doing on my old OS is to place those daemons foregrounded in a screen session, and I suspended that screen session with ^A ^z. It's also worth noting that I've now made systemctl do this automatically if the computer reboots, but it still doesn't solve my potential data corruption problem I'm trying to avoid. My Question Is there a way to use systemctl in order to directly interact with the console of processes it spawns? Can I hook a process through systemctl to get access to its console? Thanks You guys always give great answers, so I'm turning to you!

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  • Looking up a value, depending on which set of dates another date falls between

    - by Ruffles
    Hello, and apologies if this is a duplicate - if you could point me in the direction of any existing answers, that would be great. I have a set of date ranges in Excel, each of which has some kind of label. e.g. LabelA 01/01/10 31/01/10 LabelB 01/02/10 28/02/10 LabelC 01/03/10 31/03/10 If I have another date, I would like to look up the label relating to the date range within which this date falls. e.g. For 15/02/10 I would like to return LabelB. I know that the date ranges will not overlap, although there could be a gap between the end date of one, and the start date of the next.

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  • Windows boot iso file without press any key

    - by gln
    I'm trying to make an iso file which will boot without any key-press from the user. In Windows iso files, when booting from a cd, there is a message "press any key to boot from cd" which will wait for 5-10 seconds and then, if there is no key-press, it will boot from HD. I searched the web for how to remove this message, and do not press any key and all the answers were "delete bootfix.bin" from the iso. I edited the iso (I've tried several iso files) to remove the bootfix.bin, but now the iso is not correct. Do you have any suggestions?

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  • Moving Domain Controller Guests between Hyper-V Hosts

    - by Jim
    We're moving our domain controller to a new Hyper-V host. I read it on TechNet about not using export on a VM running as DC (although I saw a lot of answers on TechNet suggesting doing so to move DC). What we plan to do is shutdown the VM, move the VHD to the new Hyper-V host, then create a new VM using that VHD. I don't think USN rollback would occur since it's like shutting down the VM and starting it back up. We have another Hyper-V host with a DC guest that will be running during the migration. All the hosts and VMs are running Windows Server 2008 R2. Is it a good way to move virtualize DC b/t hosts? If not, how should I proceed?

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  • Quality questionnaire php mysql graphipcs

    - by Marcelo
    Hi, i'm making a questionnaire about a service quality, its contains the options (poor, regular, good, very good). It's contains 6 questions (radio button) and a suggestion box (textbox). In the table of the database i created 6 rows for questions, 1 for suggestion and 1 for date (a friend of mine tole me to use this but i didn't get why). q1) I'm going to atribute a value form 1 to 4 to the radio buttons options, and i'd like to sum every answer for each question, and then divide by the numbers of user that answered that question and give the mean. how am i supposed to to that? I'd also like generate reports of the month, of the year. q2) not only about the questionnaire but for registration too. I need all the fields to be completed, no blank options, if he don't complete all of fields it'll not be submitted and there will be a warning message to the user. q3) about the field type, i'd like it to be the same class that is in the database, i'm having a "problem". Ex: Name(varchar) : 1234(int), in the field 'name' of the table of the database 1234 will be shown as name, and i don't want this, i want only the type that i declared in the construction of the table. q4) i'd also like to know if it's possible to create pizza graphics, about the percentage of each question, is this possible? q5) I'm using phpmyadmin and some of my id's are auto_increment, but 'cause of my tests they at a high number, i'd like to restart to 0 the ids number, is this possible? Thanks for the attention.

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  • Asterisk is hacking itself [duplicate]

    - by Shirker
    This question already has an answer here: How do I deal with a compromised server? 11 answers I've got some strange logs on my asterisk (and there a lot of extensions were tried): chan_sip.c: Failed to authenticate device 6006<sip:[email protected]>;tag=f106f3fe but IP XX.XX.XX.39 is its OWN IP! cat /etc/asterisk/* | grep 6006 returns nothing. asterisk -rv Asterisk 11.4.0 How its possible, that its hacks itself? And how could I trace, where it comes from?

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  • Keeping user data persistent after validates_presence_of

    - by mathee
    I'm designing a question-and-answer Ruby on Rails application. After a user logs in, you can see a list of questions posed by other users. I have a link next to each of the questions to /answers/new?question_id=someNumber. That links to a page that displays the question (to remind the "answerer") above a standard form for submitting your answer. In order to display the question, I call @question = Question.find_by_id(params[:question_id]) and reference @question in the Haml view file: Question details %h2 #{h @question.title} #{h @question.description} %br/ %br/ %h1 Your answer - form_for(@answer) do |f| = f.error_messages %p = f.label :description, "Enter your response here" %br = f.text_area :description = f.hidden_field "question", :value => @question.id %p = f.submit 'Answer' The problem is that if I check validates_presence_of :description in Answer.rb, then I lose question_id if the user did not input anything into the description field when the page reloads, so I can't re-display the question for which the user is answering. How should I fix this? Is there a better way of storing the question the user is trying to answer so that I can display it above the form for entering a new answer (and perhaps in other views in the future)? If you need to see more code, please let me know.

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  • Route a specific user's traffic via VPN but still allow local networking

    - by wbg
    So, I want to route certain traffic via a VPN connection and the rest via my normal Internet connection. I want to run several different programs and most of them don't support binding to a specific network interface (tun0 in my case). I've managed to send a specific user's traffic via the VPN following the answers given here: iptables - Target to route packet to specific interface? But unfortunately, when I run a server that connects to the Internet and has a web interface running on a local IP (127.0.0.1/192.168.0.*), all the Internet traffic correctly goes via tun0, but I'm unable to connect to the web interface from a local IP as a different user. When I log in as the VPN-ified user, I can access services running on local IPs, but other users/machines can't access any servers I start. Can anyone point me in the right direction?

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  • Ways to improve completeness of files for data recovery and scanning?

    - by SteveO
    I am using R-studio for data recovery on one of my ntfs partition. There is a pdf file about 16MB, but the software can only recover 15MB of it. So I am thinking about what ways can be used to improve the quality of scanning and recovery by the software? I am looking around its preferences. I am not quite sure whether there are some adjustable parameters for scanning and recovery which can be fine-tuned to improve the quality? R-studio has a free demo version, for which scanning is free,but recovery isn't. It is downloadable from http://www.data-recovery-software.net/Data_Recovery_Download.shtml Its manual is here http://www.r-tt.com/downloads/Recovery_Manual.pdf. I have tried my best to search for answers in the manual, but failed to find one. Their technical support is not as good as their software, and helpless usually in my opinion. Thanks!

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  • How to clean up orphaned SID's in ACEs in AD?

    - by geoffc
    As a follow up to my question Do backlinks clear in AD for deleted users I have another related but different question. Since I am informed in the answers there that a deleted object's SID (Group or User, so assigning rights to group only minimizes the issue, and does not fix it) will remain within ACEs they have been assigned, leaving them orphaned. Lotus Domino, which has similar issues with back references, has an adminp process to clean up such orphaned references. Is there a similar process in AD that would allow you to clean up such orphaned SIDs floating around your domain?

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  • c# STILL returning wrong number of cores

    - by Justin
    Ok, so I posted in In C# GetEnvironmentVariable("NUMBER_OF_PROCESSORS") returns the wrong number asking about how to get the correct number of cores in C#. Some helpful people directed me to a couple of questions where similar questions were asked but I have already tried those solutions. My question was then closed as being the same as another question, which is true, it is, but the solution given there didn't work. So I'm opening another one hoping that someone may be able to help realising that the other solutions DID NOT work. That question was How to find the Number of CPU Cores via .NET/C#? which used WMI to try to get the correct number of cores. Well, here's the output from the code given there: Number Of Cores: 32 Number Of Logical Processors: 32 Number Of Physical Processors: 4 As per my last question, the machine is a 64 core AMD Opteron 6276 (4x16 cores) running Windows Server 2008 R2 HPC edition. Regardless of what I do Windows always seems to return 32 cores even though 64 are available. I have confirmed the machine is only using 32 and if I hardcode 64 cores, then the machine uses all of them. I'm wondering if there might be an issue with the way the AMD CPUs are detected. FYI, in case you haven't read the last question, if I type echo %NUMBER_OF_PROCESSORS" at the command line, it returns 64. It just won't do it in a programming environment. Thanks, Justin UPDATE: Outputting PROCESSOR_ARCHITECTURE returns AMD64 from the command line, but x86 from the program. The program is 32-bit running on 64-bit hardware. I was asked to compile it to 64-bit but it still shows 32 cores.

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  • Windows 7 unreasonable ram usage

    - by Deus Deceit
    I have a fresh install of windows 7, and my ram in normal startup goes up to 2.5 GB. I looked at task manager, and there's at least 1.5 GB missing from there and in resource monitor as well. No indication of what's using that ram. Can someone tell me how I can find out what's consuming my memory? I believe it's a virus but none of the free antivirus programs tracked it down. EDIT I added the pictures bellow. If this is normal usage of windows 7 as some answers imply... then I don't get this at all. P.S My windows 8 Installation was running bellow 2.5 gb actually it was 1. something, until recently that I transferred some files from another computer which had the same problem that mine has now. I deleted windows 8 and installed 7, since i would do that anyway. And now I'm getting high memory usage in windows 7 as well.

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  • Why is there no 64-bit Linux Firefox build?

    - by Legooolas
    It seems that I have to build my own 64-bit Firefox for Linux, as Mozilla won't support it until Firefox 4. Why is this? It looks to me as though it works fine, although without some of the speed improvements to the Javascript engine which the 32-bit version gets. (Edit: Yes I could run the 32-bit version but I'm trying to keep my system clear of 32-bit cruft and libraries etc, and all the plug-ins worked fine in 3.0.11 64-bit unofficial builds.) Update : No longer relevant as Mozilla provide 64-bit builds, but they don't show them on the download pages of mozilla.org, just on the ftp site as mentioned in one of the answers below.

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  • How to reduce the windows network browsing broadcast timeout or disable this function?

    - by Moi42
    Hello everyone. My residential network is make of 300 vlans (one per room). To browse them we are using a wins server. My problem is that when I try to browse the network, windows first tries to find the neighborhood using some broadcast, and only then does it query the wins server. This "broadcast period" lasts exactly 30 seconds and is very annoying. Can I reduce it, or can I completely disable this broadcast network discovery feature from my system? Thank you for your answers.

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  • How to prevent nginx from appending the location to root? [duplicate]

    - by simonszu
    This question already has an answer here: nginx location pathing issue 2 answers I want to serve an Icinga Webview via nginx. This webview should be accessible via myserver.com/icinga (as the debian autoconfig for apache will do). I have the following lines in my nginx config: location /icinga { root /usr/share/icinga/htdocs; index index.html; auth_basic "Restricted"; auth_basic_user_file /etc/icinga/htpasswd.users; } However, i get an error 404 and a log entry that says: *10 open() "/usr/share/icinga/htdocs/icinga" failed (2: No such file or directory), So it seems that nginx appends the location value to the root value. I think i figured it out how to prevent this some time ago, but i did not document it for myself and have forgotten how to do it. And now i can't fix it for myself. Can you tell me how to prevent this behaviour?

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  • Many to many self join through junction table

    - by Peter
    I have an EF model that can self-reference through an intermediary class to define a parent/child relationship. I know how to do a pure many-to-many relationship using the Map command, but for some reason going through this intermediary class is causing problems with my mappings. The intermediary class provides additional properties for the relationship. See the classes, modelBinder logic and error below: public class Equipment { [Key] public int EquipmentId { get; set; } public virtual List<ChildRecord> Parents { get; set; } public virtual List<ChildRecord> Children { get; set; } } public class ChildRecord { [Key] public int ChildId { get; set; } [Required] public int Quantity { get; set; } [Required] public Equipment Parent { get; set; } [Required] public Equipment Child { get; set; } } I've tried building the mappings in both directions, though I only keep one set in at a time: modelBuilder.Entity<ChildRecord>() .HasRequired(x => x.Parent) .WithMany(x => x.Children ) .WillCascadeOnDelete(false); modelBuilder.Entity<ChildRecord>() .HasRequired(x => x.Child) .WithMany(x => x.Parents) .WillCascadeOnDelete(false); OR modelBuilder.Entity<Equipment>() .HasMany(x => x.Parents) .WithRequired(x => x.Child) .WillCascadeOnDelete(false); modelBuilder.Entity<Equipment>() .HasMany(x => x.Children) .WithRequired(x => x.Parent) .WillCascadeOnDelete(false); Regardless of which set I use, I get the error: The foreign key component 'Child' is not a declared property on type 'ChildRecord'. Verify that it has not been explicitly excluded from the model and that it is a valid primitive property. when I try do deploy my ef model to the database. If I build it without the modelBinder logic in place then I get two ID columns for Child and two ID columns for Parent in my ChildRecord table. This makes sense since it tries to auto create the navigation properties from Equipment and doesn't know that there are already properties in ChildRecord to fulfill this need. I tried using Data Annotations on the class, and no modelBuilder code, this failed with the same error as above: [Required] [ForeignKey("EquipmentId")] public Equipment Parent { get; set; } [Required] [ForeignKey("EquipmentId")] public Equipment Child { get; set; } AND [InverseProperty("Child")] public virtual List<ChildRecord> Parents { get; set; } [InverseProperty("Parent")] public virtual List<ChildRecord> Children { get; set; } I've looked at various other answers around the internet/SO, and the common difference seems to be that I am self joining where as all the answers I can find are for two different types. Entity Framework Code First Many to Many Setup For Existing Tables Many to many relationship with junction table in Entity Framework? Creating many to many junction table in Entity Framework

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  • Using javascript, show a certain amount of divs based on an answer

    - by Adam
    I'm building a form that first asks if you have 'foo'. If the answer is 'Yes', a div appears and asks 'How many foo do you have'? Based on the quantity answered, I'd like to show only that many divs. Thus if the user answers 1, only the first div will show. If they answer three, the first three will show. I have it set so that if the user answers no, the question of the amount remains hidden, but if they answer yes, they would be prompted for the quantity. This is what I've got so far... <script type="text/javascript"> $(document).ready(function(){ $(window).load(function() { $('#amt_of_foo,.foo_panels').hide(); }); $('#yes_foo').click(function() { $('#amt_of_foo').show(); }); $('#no_foo').click(function() { $('.foo_panels,#amt_of_foo').hide(); }); }); </script> </head> <body> <ul> <li> <div class="panel section_panel"> <h2>Questions About Your Foo</h2> <span>Do you have foo?:</span> <input type="radio" name="foo" id="no_foo" /> No <br /> <input type="radio" name="foo" id="yes_foo" /> Yes:</span></span> <span id="amt_of_foo"> <span>How many foo do you have?:</span> <span><input id="qty_of_foo" type="text" size="5" /> </span> </span> </div> </li> <!--answered yes to foo, and entered amount--> <div class="foo_panels"> <li> <li> <div class="panel foo_1"> <h1>First foo's information</h1> <span>Foo name:&nbsp;<input type="text" size="20" /></span> </div> </li> <li> <div class="panel foo_2"> <h1>Second foo's information</h1> <span>Foo name:&nbsp;<input type="text" size="20" /></span> </div> </li> <li> <div class="panel foo_3"> <h1>Third foo's information</h1> <span>Foo name:&nbsp;<input type="text" size="20" /></span> </div> </li> </div> <!--answered no to foo--> <li> <div class="panel"> <h1>Next Question, if no foo</h1> </div> </li> </ul> The ul is used for a jQuery 'slider' plugin. the 'panel' class is used for global css.

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  • Please help with my twodimensional array source code

    - by Baiba
    Here is what i have done but i have some questions: class masivins { public static void main (String args[]) { int mas[][] = {{0, 2, 7, 0, 8, 5, 3}, {0, 4, 0, 6, 0, 0, 0}, {0, 0, 0, 0, 3, 0, 0}, {7, 0, 0, 9, 1, 0, 7}, {5, 0, 4, 0, 0, 2, 0}}; int nulmas[] = new int [7]; int nul=0; for(int j=0; j<7; j++) { nul=0; for(int i=0; i<5; i++) { if(mas[i][j]==0) { nul++; } } nulmas[j]=nul; } for(int i=0; i<5; i++) { for(int j=0; j<7; j++) { System.out.println(mas[i][j]); } System.out.println(); } System.out.println(); for(int i=0; i<5; i++) { System.out.println("Zeros in each array column: " + nulmas[i]); } System.out.println(); } } so my questions are: 1) why after running project there are only 5 "Zeros in each array column....." shown? 2) what and where i need to change in this code to get out the number of column in which zeros are least?

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  • several hard drives and partitions

    - by Tim
    If there are two physically separate hard drives, should they be treated as two pre-defined partitions? If yes: should they be treated as two primary partitions (including one or two of them can become extended partition(s) and be further subdivided into logical partitions)? Or they (or one part of each) can be treated as two logical partitions of a extended partition? Thanks! I intended to ask if there can be a primary/logical partition that are partially on both hard drives? And if there can be a logical partition on a hard drive and another logical partition on another hard, and the two logical partitions belong to the same extended partition? I guess the answers to both questions are no?

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  • Script/scheduled task to clean up Dowloads folder (Windows 7)?

    - by Andrew
    My downloads folder is my primary connection to the internet (and thus the world), and has rapidly become a virtual junk drawer. I imagine I'm not alone here. What I'd like to do is have some sort of a script that -creates a new folder (named YYYY_MM Archive so it sorts nicely) -takes everything* inside of the Downloads folder (for the current user) -moves it to the new folder and have this run once/month. *(excluding previous archives) This strikes me as the type of thing Saw some answers on related questions that seemed to suggest that this is an eminently doable task in PowerShell. Is it? I'm on Windows 7 Enterprise.

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  • Networking conflict - What is the most common default computer name for Windows?

    - by John
    I recently had to change the name of my computer to log onto a public wi-fi spot, because a computer with my name was already logged on. (I asked a guy there what to do after it said there was already a computer named "(omitted)" logged on.) I've never been at a wifi spot you had to log into before. I didn't even notice what the computer's name was before. My question is what are the most common default computer names. I'm curious. How often does this sort of problem happen? (For some reason my previous post was closed as off topic - so now I included the reason I'm asking. If it's still considered off topic (networking conflicts) I'll take it elsewhere, but the other forums I know of (ehow.com, answers.yahoo.com) are full of people that couldn't begin to answer a question like this.) Thanks.

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  • Networking conflict - What is the most common default computer name for Windows?

    - by John
    I recently had to change the name of my computer to log onto a public wi-fi spot, because a computer with my name was already logged on. (I asked a guy there what to do after it said there was already a computer named "(omitted)" logged on.) I've never been at a wifi spot you had to log into before. I didn't even notice what the computer's name was before. My question is what are the most common default computer names. I'm curious. How often does this sort of problem happen? (For some reason my previous post was closed as off topic - so now I included the reason I'm asking. If it's still considered off topic (networking conflicts) I'll take it elsewhere, but the other forums I know of (ehow.com, answers.yahoo.com) are full of people that couldn't begin to answer a question like this.) Thanks.

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  • When Typing on my mac the cursor moves/deletes/replaces text.

    - by David
    Help! I don't know what is happening, with my computer (Macbook Black OSX 1ha0.6.6) but recently whenever I am typing my cursor suddenly moves in the middle of my frase or paragraph, deleting text, replacing words or just closing applications. I don't know what might be the cause but it's driving me crazy. I have disabled typinator (which had worked fine for a couple of months) and looked through the keybindings in SystemPreferencesKeyboardKeyboard Shortcuts. But for have not been able to find any answers. It happens in all apps that require typing. Textmate, Chrome, FIrefox, Texedit, Mail. Does anybody know if there is a way I can review all keyboard shortcuts, to see if the issue lies there or any suggestions? Thanking you dearly Dave

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  • Create a home virtual network

    - by Tom Lisc
    I can't seem to get answers to this question. I want to setup up 2-3 computers in my house to run Linux based virtual machines fed from my dedicated Arch Linux server. I need them to have full sound and video support. At my workplace we use VMware (View), but that is too cost prohibited for me to deploy for my wife and the two 10 year olds. I have tried Virtualbox machines and they are fine, but I cannot get sound working. Any help/hints would be greatly appreciated.

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  • Install Firefox on Windows 7 for all users

    - by Pointy
    This has got to be among the simplest possible things in the word for those who know how to do it. However, I don't, and I have been astonished to find nothing about it from google searches other than unanswered copies of the exact same question. All I want is Firefox, and I want it for all users on a Windows 7 laptop. In fact, the real story is that I want it to work again for all users after updating from Firefox 5 to Firefox 8, which process has apparently left it unavailable to anybody but the administrator. I'll probably find the answer to this in the time it takes for this question to get answered, but I promise I'll upvote you anyway :-) I mainly wanted to get this question (hopefully with good answers) out there so that it turns up on a Google search.

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