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• thought about shared storage (NFS, Lustre) [closed]

  - by user134880

  Possible Duplicate: Can you help me with my capacity planning? Now I habe small cluster with total of 8 nodes. 6 of them are computing nodes (apache and vmware) and 2 nodes are for storage. 2 storage nodes are identical. Each storage server is linux box with 8 x 1Tb WD RE4 in soft raid 10. 1st box is master and 2nd is slave. Data is mirrored with DRDB. We export NFSv4 shares to Apache (for document root) and iSCSI to Vmware. Now all is working pretty good and stable. But it will be soon time to upgrade our system. I have been thinking of Lustre. Does some one has any real experience with Lustre or NFS medium clusters? Will it be good idea just to upgrade server and change hdd's to 3Tb ? With NFS we will always have only 2 servers to maintain (one primary and one slave). Thanks. QUESTIONS: 1) Does some one used Lustre? In production? I have seen a lot of info about how it is hard to setup Lustre because you need to compile own kernel and patches. It's answers from newbies. Is there some one who has used Lustre for some period of time? 2) About disk upgrades - it's only description of strategy. I'm not asking if it is enough 3Tb or not. I just ask if it is right just to replace hdds instead of adding new server (like with Lustre) Thanks again.

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• How to control/check CheckPoint rules changes (and another System events)

  - by user35115

  I need to check/control all system events on many CheckPoint FW1 - don't misunderstand - not rules triggering, but events such admins log on, rules changes and etc. I found out that I can make an log export using 2 methods: Grab logs Use special script that redirect Checkpoint log entries to syslog, FW1-Loggrabber But it's not clear for me does such logs also contain information that i need (admins log on, rules changes)? And If yes is it possible to filter events? I also suppose, that if system bases on *nix platform it must be a ploy - use based functions of the system to do what i want. Unfortunately i don't know where to "dig". May be you know? Updated: New info "FW-1 can pipe its logs to syslog via Unix's logger command, and there are third party log-reading utilities" So, the main question is how do my task in the best way? Has anybody already resolved such problem? P.S. I' m new with CheckPoint, so all information will be useful for me. Thank you.

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• Explain why .bash_logout won't run commands?

  - by Droogans

  So I've been wondering how to run these two lines of code everytime I close an open instance of Terminal: history -c cat /dev/null > ~/.bash_history I export HISTFILE=5 on startup, but still want to flush that out when I'm done. I've tried looking around a bit in a couple of places, and haven't had much luck. I run Linux Mint, and would also note here that I ran into a similar issue with .bash_profile; eventually, I discovered I needed to place all start up code in .bashrc, so maybe that has something to do with it. Here's my .bash_logout file: #!/bin/bash # ~/.bash_logout: executed by bash(1) when login shell exits. # when leaving the console clear the screen to increase privacy if [ "$SHLVL" = 1 ]; then history -c cat /dev/null > ~/.bash_history [ -x /usr/bin/clear_console ] && /usr/bin/clear_console -q fi #this does nothing on exit... echo 'logout'; sleep 2s I've tried re-arranging this script many ways, I'm not sure if I don't understand how bash works, and if any of this is running in the first place. Does the fact that I run Xserver make bash consider Terminal something that isn't a log-out on exit?

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• Specific issue on data pump API in oracle

  - by Median Hilal

  I have a client/server architecture. Using an Oracle dbms on the database server side. I need to perform a user-triggered (from client side) backup of the database, where the best way to perform that is using a stored procedure on the server side which the client may call, as the client has no oracle tools to perform the backup. I've searched thorough inside available solutions and have found that using a stored procedure is the best way. Well, then I found that using oracle data pump API is the best way to use inside a PL/SQl stored procedure. My specific questions about the API are... I would like to ask about two issues ... ---- The first ----- the detach function to detach the handler, is it necessary to be used at the end of the procedure? and what if I don't use it? I read the Oracle documentation but I didn't get their point, they say it doesn't terminate the job but indicates that the user is not interested in it, an when I use detach at the end of my procedure the exported .dmp file disappears. ---- The second ----- to perform a user (client side) triggered back up as the modification are only to the data, I used TABLE parameter for the export operation. But the version parameter... what should it be? I also read the documentation but couldn't determine what I need (LATEST or COMPATIBLE) ? Thanks

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• nginx root directory not forwarding correctly

  - by user66700

  The server files are store in /var/www/ Everything was working perfectly, then I've been getting the following errors 2011/01/28 17:20:05 [error] 15415#0: *1117703 "/var/www/https:/secure.domain.com/index.html" is not found (2: No such file or directory), client: 119.110.28.211, server: secure.domain.com, request: "HEAD /https://secure.domain.com/ HTTP/1.1", host: "secure.domain.com" Heres my config: server { server_name secure.domain.com; listen 443; listen [::]:443 default ipv6only=on; gzip on; gzip_comp_level 1; gzip_types text/plain text/html text/css application/x-javascript text/xml text/javascript; error_log logs/ssl.error.log; gzip_static on; gzip_http_version 1.1; gzip_proxied any; gzip_disable "msie6"; gzip_vary on; ssl on; ssl_ciphers RC4:ALL:-LOW:-EXPORT:!ADH:!MD5; keepalive_timeout 0; ssl_certificate /root/server.pem; ssl_certificate_key /root/ssl.key; location / { root /var/www; index index.html index.htm index.php; } }

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• Powershell Script to help archive company email

  - by sec_goat

  I am attempting to use powershell to gather emails that pertain to a certain subject, so that these correspondences might be turned over to a legal department. I am having a couple of issues here that I would like some assistance getting past. I run the following command: get-mailbox -Database "Mailbox Database" | Export-Mailbox -ContentKeywords "Keywords To Search" -TargetMailbox "sec_goat" -TargetFolder EmailSearch -StartDate "01/13/2011 12:01:00 This has pretty much done what I want, and returned a boat load of emails, however it has also flooded my inbox with hundreds of blank calendars and contact lists. I realize now I should have used the exclusion on these folders, as well as a test environment (which we don't have). 1.How can I clean up this script to not include all the blank folders, contacts and calendars that DO NOT match the keywords search? 2.How do I clean up hundreds of blank contact lists and calendars in my mailbox without right clicking and deleting each one? EDIT: I edited the post to change the scope of the question. I think my focus is less on the legal perspective and more on the "How can I clean up my mess and make future archives less messy and painful?"

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• Managing records of bugs and notes

  - by Jim

  Hi. I want to create a knowledgebase for a piece of software. I'd also like to be able to track bugs and common points of failure in that application. Linking knowledgebase articles to bug records would be a real boon, as would the ability to do complex queries for particular articles and bugs on the basis of tags or metadata. I've never done anything like this before, and like to install as little as possible. I've been looking at creating a wiki with Wiki On A Stick, and it seems to offer a lot. But I can't make complex queries. I can create pages that list all 'articles' with a particular single tag, but I can't specify multiple tags or filters. Is there any software that can help? I don't want to spend money until I've tried something out thoroughly, and I'd ideally like something that demands little-to-no installation. Are there any tools that can help me? If something could easily export its data, or stored data in XML, that would be a real plus too. Otherwise, are there any simple apps that allow me to set up forms for bugs, store data as XML then query and process that XML on demand? Thanks in advance.

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• Make eix available version match emerge

  - by Ryaner

  We have out Gentoo hosts using a binhost with EMERGE_DEFAULT_OPTS="--getbinpkgonly --usepkgonly" in the make.conf file so that the host only pulled down the binary hosts. All works well from that side. I use eix to check on software versions for upgrades but have hit a problem where eix will see an available version ahead of what is available on the binserver. Using glibc as an example ietpl [VE] / # emerge -s glibc Searching... [ Results for search key : glibc ] [ Applications found : 1 ] * sys-libs/glibc Latest version available: 2.14.1-r3 Latest version installed: 2.14.1-r3 Homepage: Description: GNU libc6 (also called glibc2) C library License: LGPL-2 Then eix reports a higher version available ietpl [VE] / # export LASTVERSION='{last}<version>{}' ietpl [VE] / # /usr/bin/eix --nocolor --format '<category> <name> [<installedversions:LASTVERSION>] [<bestversion:LASTVERSION>] \n' --exact --category-name sys-libs/glibc sys-libs glibc [2.14.1-r3] [2.15-r2] What I'm after is for eix to report the latest version available as 2.14.1-r3 like emerge. I've a feeling this is possible since without any formatting, eix returns Available versions: (2.2) ~2.9_p20081201-r3!s 2.10.1-r1!s 2.11.3!s ~2.12.1-r3!s 2.12.2!s{tbz2} ~2.13-r2!s 2.13-r4!s ~2.14!s ~2.14.1-r2!s 2.14.1-r3!s{tbz2} ~2.15-r1!s 2.15-r2!s ~2.15-r3!s **2.16.0!s **9999!s correctly tagging the latest unmasked binary package with {tbz2} I would have thought that the binary flag would do it, but that returns no matches --binary Match packages with *.tbz2 files.

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• CefSharp.BrowserSubprocess.exe has stopped working

  - by Amogh

  I have CefSharp-master project with which is Built on Chromium- 31.0.1650.57. All is working fine and perfect, but when I click on link to load/view PDF file on an website and popup get loaded and after some time I got dialog box saying "CefSharp.BrowserSubprocess.exe has stopped working." and oped popup window become black. Below is what I found in windows event viewer.. Application: CefSharp.BrowserSubprocess.exe Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled exception. Exception Info: System.AccessViolationException Stack: at <Module>.CefExecuteProcess(CefMainArgs*, CefRefPtr<CefApp>*) at CefSharp.CefAppWrapper.Run(System.String[]) at CefSharp.BrowserSubprocess.Program.Main(System.String[]) What is problem? I searched a lot but didn't find any think.

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• iTextSharp custom paper size

  - by Morron

  Hi, I'm using iTextsharp library to create PDF files. I can declare for A4 Landscape paper like this: Dim pdfTable As New PdfPTable(9) pdfTable.WidthPercentage = 100 Dim pdfDoc As New Document(PageSize.A4.Rotate()) I'm wondering how I can set Height of pdfTable or A4 Height manually. Because there's a lot more margin left at the bottom, and I need to put some text at that margin. Right now, I put a line of text at the bottom, the line's got pushed to the new page. Q1: How can I override the height of A4 paper provied by iTextsharp? Q2: How can I create a custom size paper, say Width = 29cm, Height = 22cm? Thank you.

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• Displaying Multiple Tables in a Page in Jasper Reports using ireports/Jasper Assistant

  - by Karthikeyan

  Hi all, I have a report to be printed / exported to PDF format. for that i am using jasper reports. I have 8 individual pages to be exported. so i prepared 8 separate design files. In that 6 pages are having more static text and mere direct mapping and remaining two pages consists of table like data. one page contains huge table so i filled it directly with no problem by keeping a single table in detail band. now problem is that remaining one page. that page is having more than 5 small tables (two or four column). is t possible to have more that one table in a page in jasper reports ? i am using jasper reports and for designing jasper assistant/ireports.

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• view .doc, .docx, .rtf, .ppt file in iphone using Webview

  - by Ekra

  Hi friends I want to view .doc, .docx, .rtf, .ppt file in iphone. But I guess something is going wrong at my side and its not working for the above formats but my code is working fine for .txt and .pdf files. I have the read the document regarding Webview it states it supports viewing of the above document. below is my snippet for .doc [webView loadData:requestData MIMEType:@"application/msword" textEncodingName:@"UTF-8" baseURL:nil]; for .ppt I am using MIME type as "application/vnd.ms-powerpoint" Note: If I am making MIME type as "text/html" for .doc then it displays some garbage data So I think there is something missing in MIME type from my side. Any help is highly appreciated. Waiting for your reply.

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• Ruby on Rails deployment, on "thin" server with lot of attachments

  - by Horace Ho

  A lot of PDFs are stored inside MySQL as a BLOB field for each PDF file. The average file size is 500K each. The Rails app will stream the :binary data as file downloads, where there is a user click on the download link. Assume there is a maximum of 5 users downloading 5 PDFs concurrently, what kind of deployment setup parameters I should be aware of? e.g. for the case of thin: thin start --servers 3 whether --servers 3 is good enough (or 5 or more is needed) for the above example? The 2nd question is whether 'thin' a capable solution? Thanks!

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• QuickReport.ExportToFilter throws "stack overflow" error when used in TWebModule

  - by M Schenkel

  I have a web application using the TWebModule component. It runs as a module on Apache. The code below throws a "Stack Overflow" error on the ExportToFilter. The same exact code works fine from a Winforms Application and even a service for that matter. I have seen other discussions on this which indicate it has something to do with threading. var mFileName: String; AExportFilter:; begin mFileName := 'c:\temp\calendar.pdf'; AExportFilter:=TQRPDFDocumentFilter.Create(mFileName); try WebSchdHistCalendarForm := TWebSchdHistCalendarForm.create(nil); WebSchdHistCalendarForm.quickrep1.ShowProgress := False; WebSchdHistCalendarForm.quickrep1.ExportToFilter(AExportFilter ); finally AExportFilter.Free; WebSchdHistCalendarForm.Free; end;

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• ASP.NET MVC FileContentResult IE 8.0 hangs on download

  - by marc.d

  some of my users are expieriencing problems when they try to download a report, the download just hangs on 0%, restarting IE usually fixes the problem. why does this happen? i am using ASP.NET MVC (v1), the my action looks like this <Authorize()> _ <AcceptVerbs(HttpVerbs.Get)> _ Function RenderReport(ByVal guid As Guid, ByVal anonym As Boolean) As FileContentResult ... Dim mimeType As String = String.Empty Dim renderedBytes() As Byte = EmployeePresentation.Render(guid, mimeType, Server.MapPath("~/Reports/..."), anonym) Return File(renderedBytes, mimeType, filename) End Function the filename is US-ASCII encoded, filesize is usally around 300Kb, mimeType is application/pdf tia

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• any real MVC library in PHP (for GUI apps)

  - by mario

  I'm wondering if there are any abstraction frameworks for one of the PHP gui libraries. We have PHP-GTK, a PHP/Tk interface, and seemingly also PHP-QT. (Not tried any.) I know that writing against the raw Gtk+ interface in Python is just bearable, and it therefore seems not very enticing for PHP. I assume it's the same for Qt, and Tk is pretty low-level too. So I'm looking for something that provides a nicer object structure atop any of the three. Primarily TreeViews are always a chore and php-gtk callbacks are weird in PHP, so I'd like a simplification for that. If it eases adding the GUI/View atop my business logic without much control code, that might already help. And so since GUI apps are an area where MVC or MVP would actually make sense, I'd like to know if any library for that exists. Btw, recently rediscovered PHP interface preprocessor, but that's rather low-level and just provides a simple widget/interface abstraction for Gtk/ncurses/pdf/xhtml output.

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• [PHP & TCPDF] How to center html table?

  - by user198003

  Trying to create proper PDF document, using PHP and TCPDF. Can you help me, how can I use writeHTML function to create and center table, in TCPDF? Tryed with: $html = ' <div style="margin-left: auto; margin-right: auto; width: 50%"> <table border="1" width="200" align="center"><tr><td><b>Invoice number: '.$this->xInvoiceNumber.'</b></td></tr></table> <br /> <table border="1" width="200" align="center"><tr><td>'.$this->xClient.'</td></tr></table> <br /> </div> ... but no luck.

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• Need help with Swift mailer with Kohana wrapper

  - by alex

  My current code is this $swift = email::connect(); $swift->setSubject('hello') ->setFrom(array('[email protected]' => 'Alex')) ->setTo(array('[email protected]' => 'Alex')) ->setBody('hello') ->attach(Swift_Attachment::fromPath(DOCROOT . 'assets/attachments/instructions.pdf')); $swift->send(); The email::connect() returns an instance of SwiftMailer. As per these docs, it would seem that it should work. However, I get an error Fatal error: Call to undefined method Swift_Mailer::setSubject() in /home/user/public_html/application/classes/controller/properties.php on line 45 I've seen that email::connect() does exactly what the example code in the docs does. That is include the correct file return an instance of the library What am I doing wrong? Thanks

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• How to escape forward slash?

  - by AndrewB

  I have the following sql command through code and because the parameter contains a forward slash when I evaluate the sql row after the update the column is just empty. sqlCommand.CommandText = String.Format("update {0} set {1}='{2}'where id = @Id", tableName, ColumnName, forwardSlashText); sqlCommand.Parameters.Add("@Id", SqlDbType.UniqueIdentifier).Value = rowId; numRowsAffected = sqlCommand.ExecuteNonQuery(); adding a log.debug to this command i get the following output... update my_table_name set mime_type='application/pdf' where id = @Id So i would assume that the command is correct, but then looking at the row the mime_type column is empty.

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• SSRS 2005: How do I make available varbinary data for download in a report?

  - by Angelo

  Hi, SSRS newbie question here... I have a table where one column is varbinary(max) data. I would like to make a report that makes this data available for download as a hyperlink so the user can just click on the item and get a file download dialog for the binary data. In this particular case, the binary data happens to be the content of old pdf files, but that shouldn't matter. I tried searching around but I can't find any pointers on how to do this. It seems to me that it should be possible. There are ways to display images in a report using varbinary data, so it makes sense that one should be able to make arbitrary binary data downloadable on a report, right?

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• Preview label written in Eltron Programming Language EPL?

  - by Mrgreen

  I have code produced by our proprietry system in the Eltron Programming Language: This is sent to Eltron/Zebra label printers to be printed. Is there some kind of software that would allow me to interpret this code to do some form of 'print preview'? I am considering developing a way to convert this into an image or even postscript pdf, but I am struggling with how to do the barcodes (the lines starting in B is for barcodes). N Q296,24 R132,0 S2 D9 ZB A3,2,0,3,1,1,N,"RB10SS5" B3,22,0,2C,2,4,35,N,"391369840" A3,60,0,3,1,1,N,"391369840" A3,80,0,3,1,1,N,"Testing" A3,100,0,4,1,1,N,"Serology" A3,130,0,1,1,1,N,"SSTORE" A185,16,0,1,1,1,N,"17 Mar" A185,35,0,1,1,1,N,"SEROL" A185,51,0,1,1,1,N,"0.50" B400,208,0,2C,2,4,40,N,"391369840" A400,254,0,2,1,1,N,"391369840" P1

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• FileStream to save file then immediately unlock in C# ?

  - by aron

  Hello, I have this code that saves a pdf file. FileStream fs = new FileStream(SaveLocation, FileMode.Create); fs.Write(result.DocumentBytes, 0, result.DocumentBytes.Length); fs.Flush(); fs.Close(); It works fine. However sometimes it does not release the lock right away and that causes file locking exceptions with functions run after this one run. Is there a ideal way to release the file lock right after the fs.Close() thanks!

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• Can GhostScript run in Medium Trust

  - by SkippyFire

  I am using GhostScript to generate some thumbnails of PDF pages in an ASP.NET application. I have it wrapped in this library called GhostScriptSharp that just uses DllImport to call methods in the GhostScript DLL. It looks like this wont work on a medium trust hosting environment, either because of the fact that it is calling unmanaged code, or that it looks like the library is creating files all over the place (outside my virtual directory). I ran Process Monitor and saw it trying to Read, QueryNameInformationFile, CreateFile and QueryStandardInformationFile in places like: C:\WINDOWS\system32\Halftone\Default or C:\gs\gs8.63\lib\Halftone\Default or C:\gs\font\Halftone\Default Any ideas about whether this is "fixable" to run in medium trust? If I can't use GhostScript, is there another free/open source library that WILL work in Medium trust?

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• Where is the displaytag of scheduled reporting?

  - by Nathan Feger

  So I have been making some reports and using displaytag to output these reports in html, csv, excel, pdf, etc. They are paginated, and take a simple object graph... and output excellent results everytime, with very little code. However, I need to use displaytag or its equivalent outside of a jsp. So that a user can schedule a report to run, and that report is stored in a db, or emailed for later viewing. I have looked at jasper-based reporting solutions, but making a jasper jrxml file is just a nightmare. I know there are gui tools to help, but I'm content with the simple output of displaytable, so I'm happy to give up that control for ease of implementation. Really, if I could take the display:table config out of the jsp I would, so please keep that in mind when proposing a solution. btw, java solutions would be my cup of tea.

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• Visualizing Undirected Graph That's Too Large for GraphViz?

  - by Gabe

  Hi Everyone, I was wondering if anyone has any advice for rendering an undirected graph with 178,000 nodes and 500,000 edges. I've tried Neato, Tulip, and Cytoscape. Neato doesn't even come remotely close, and Tulip and Cytoscape claim they can handle it but don't seem to be able to. (Tulip does nothing and Cytoscape claims to be working, and then just stops.) Does anyone have any ideas? I'd just like a vector format file (ps or pdf) with a remotely reasonable layout of the nodes. Thanks!

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