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  • Is it normal for Java /Tomcat to keep checking for java_pid<nnnn>.hprof?

    - by Chris
    I was monitoring my JVM running Apache Tomcat 6, running on Windows, and I noticed that every 3 seconds or so the JVM process (C:\Tomcat\bin\tomcat6.exe) is polling to see whether or not C:\Tomcatcat\java_pid3748.hprof exists, where 3748 is the Windows process ID. I haven't seen write to the hprof file, just test for existence. (I'm using Sysinternals Process Monitor (procmon.exe) for this monitoring. In procmon the polling shows up as a QueryDirectory operation, which always returns Result "NO SUCH FILE".) Is this normal, or is this a potential red flag? I gather that these hprof files are generated, perhaps among other times, when you enable the -XX:+HeapDumpOnOutOfMemoryError Java flag. I haven't enabled it myself, though I guess it could be enabled somehow in the Tomcat startup scripts.

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  • What other protocols must not be fire-walled for FTP to work?

    - by Chris
    my Netgear router randomly reset itself the other day loosing all of my config settings: DSL details, Firewall rules, the lot! So I set about restoring all of the details manually, but when it came to configuring the firewall I wanted improve the security by explicitly setting 'deny' rules for everything that I figured is 'non-essential', and (although not necessary) whilst I was at it I set explicit 'allow' for the 'essential' protocols. I'll admit now I didn't really know what I was doing and everything was just 'my best guess', but I enabled only DNS, HTTP, HTTPS, FTP, SFTP, TFTP with everything else blocked. This did not work for me as I could not access 99% of web sites (although strangely Google worked!), so I played around a bit more and found that (oddly) if I disabled just the explicit 'allow' rules then everything worked fine, for browsing anyway. Today I came to work on some web-sites via FTP and just could not get a consistent connection, it kept dropping out after a few files or being blocked by the server or simply not connecting. It would authenticate okay but then stop when retrieving the initial directory listing! e.g.: Status: Delaying connection for 1 second due to previously failed connection attempt... Status: Resolving address of ftp.domain.co.uk Status: Resolving address of ftp.domain.co.uk Status: Connecting to 123.123.123.123:21... Status: Connecting to 123.123.123.123:21... Status: Connection established, waiting for welcome message... Status: Connection established, waiting for welcome message... Response: 421 Too many connections (8) from this IP Error: Could not connect to server Status: Delaying connection for 5 seconds due to previously failed connection attempt... Response: 421 Too many connections (8) from this IP Error: Could not connect to server Status: Delaying connection for 5 seconds due to previously failed connection attempt... I've checked and re-checked the FTP settings (they worked before anyway), I have Googled the I.T. out of the various protocols that I have blocked in the fire-wall but none seem essential to FTP (other than FTP/SFTP etc. which I have passively enabled). I'm (clearly) no server engineer, or protocols / fire-wall expert so I was hoping that some one could maybe shed some light on why my FTP is failing. I've been wondering if I ought to be allowing BGP, BOOTP and/or IDENT (or any others)? What other protocols are required for FTP? Thanks in advance!

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  • How can I move a load of zone records from a web based system to text based one?

    - by Chris Adams
    Hi there, I have a few domains with Dreamhost where I have set a load of records using their web based domain name system, and I've like to move them to another provider that lets me enter info directly as a text file for their name server, bind 9 to use. (If you're interested, I'm moving them to Gandi.net). Previously when I used a cpanel based system to do something similar, there was a tool that let me simply enter a domain name, and any available domains were automagically entered into a system, saving me typing it myself (and bringing down sites with silly typos in the process). What open source tool can I use to query a domain for all the relevant subdomains and records and list them in a format like a zone file, that I can use with other name servers?

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  • "I/O Error Occurred" in vSphere Client working with ESXi

    - by Chris
    I have a datastore set up in ESXi where I put all my ISOs. Somehow, something broke (I don't know what) and now I can't upload files to that (or any other) datastore. For large, ISO-sized files, the "Uploading..." dialog pops up, hangs for a while, and then the "I/O Error Occurred" displays. For smaller files (10 meg neighborhood), the "Uploading..." dialog comes up, a progress bar starts going, and it estimates a time remaining. Then it hangs at 1 second remaining for a while, and the same "I/O Error Occurred" comes up. Has anyone seen a problem like this?

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  • Server 2003 - Default installation of SharePoint throws javascript error 'undefined' is null or not an object

    - by Chris
    I have been handed a server that has a fresh installation of small business server 2003. SharePoint has been installed, and it is a completely fresh copy (no changes made) I know for a fact that everything was paid for so this isn't some dodgy copy. When I try to click any option in any of the floating menu's in IE 8, the browser asks me if I want to debug .. Error: 'undefined' is null or not an object for example, I got to Projects - and click on the sample project, then click delete on the floating menu that pops up and the error appears. This is brand new, I cannot believe I am having this problem! Has anyone come across this, is it an old problem with easy fix? All windows updates installed - see no updates for sharepoint? EDIT: This is WSS2 so I am going to upgrade to WSS3... http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=14117 http://www.techrepublic.com/article/installing-windows-sharepoint-services-30-on-windows-server-2003/6176833 Hopefully this will resolve the problem

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  • Apache 2: I have multiple domain names I want to point to one Virtual Host. Do I use ServerAlias?

    - by Chris Altman
    I have multiple domain names, for example: www.foo.com www.goo.com www.moo.com www.coo.com I want all of these domain names to resolve to one website AND to redirect to www.foo.com What is the best method to achieve this? Multiple entries? Use ServerAlias? Something else? If the best method is ServerAlias, what is the syntax? ServerAlias www.goo.com, www.moo.com, www.coo.com

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  • Windows HTTP proxy client to pass service requests to VPN

    - by Chris
    I've got access to a network via CheckPoint VPN (Windows client). Problem is, I have a linux box that needs to talk to its web services and the target web servers are inside the VPN. So far, we have been unable to connect linux to the VPN (and I'm not trying to solve that problem at the moment). I'm wondering if (temporarily) I can setup a proxy server on a Windows (XP) box to shuttle HTTP requests back and forth? If so, what'd be a good application to do this? (hopefully free/open-source) TIA

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  • Use Dropbox as Offsite Enterprise Backup Solution [on hold]

    - by chris
    For my small company, I'm using Tomahawk Backup as the enterprise offshore solution, as it covers files, databases and Exchange (brick level). The problem is the price... it costs more than 10x the price of Dropbox (and others) for the same space (120GB), and doesn't have de-duplication. So I'm wondering: assuming there is no problem with backing up files only (ie copying the exchange store file and the db files to the Dropbox folder), would Dropbox be suitable as the offsite backup solution? Thanks

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  • Install PHP mcrypt on Red Hat 4

    - by Chris
    I'm having a very hard time getting mcrypt for PHP installed on a Red Hat 4 server. I've downloaded the rpm but it tells me: error: Failed dependencies: php-common(x86-32) = 5.4.7-2.fc18 is needed by php-mcrypt-5.4.7-2.fc18.i686 rpmlib(FileDigests) <= 4.6.0-1 is needed by php-mcrypt-5.4.7-2.fc18.i686 libc.so.6(GLIBC_2.4) is needed by php-mcrypt-5.4.7-2.fc18.i686 libltdl.so.7 is needed by php-mcrypt-5.4.7-2.fc18.i686 rtld(GNU_HASH) is needed by php-mcrypt-5.4.7-2.fc18.i686 rpmlib(PayloadIsXz) <= 5.2-1 is needed by php-mcrypt-5.4.7-2.fc18.i686 So when I try to install one of those packages, they also require another 8 packages. So I'm diving into dependency hell here. Now if I try to compile mcrypt from source, this is what I get: checking for libmcrypt - version >= 2.5.0... no *** Could not run libmcrypt test program, checking why... *** The test program failed to compile or link. See the file config.log for the *** exact error that occured. This usually means LIBMCRYPT was incorrectly installed *** or that you have moved LIBMCRYPT since it was installed. In the latter case, you *** may want to edit the libmcrypt-config script: no configure: error: *** libmcrypt was not found But I was able to install libmcrypt from an rpm packages successfully. Any suggestions? Also, I cannot use up2date as it requires an active paid account from Red Hat and since the staff has changed rather rapidly in the last year where I work, no one knows if there even was any support accounts.

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  • How to input 64-bit hex values in octave

    - by Chris Ashton
    I'm trying to use Octave as a programmer's calculator. I want to input a 64-bit pointer, but when I do apparently the 64-bit value gets silently truncated to 32-bit: octave:44> base_ptr=0x1010101020202020 base_ptr = 538976288 octave:45> uint64(base_ptr) ans = 538976288 octave:46> printf("%lx\n", base_ptr) 20202020 So it seems like it's truncated the input value to the low 32-bits. I would use scanf, but the docs say it should only be used internally. How can I input the full 64-bit value? Alternately, is there some awesome free programmer's calculator out there for Windows? (I know Windows calculator has a programmer's mode but I would like arbitrary variable support). I tried using my ti-89 but it also doesn't support 64-bit hex.

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  • How does the "Steam" platform work? Is it DRM? Can I trust "Steam"-powered games?

    - by Chris W. Rea
    So – I just bought the new game Supreme Commander 2. This question is not about the game, but about the online software installation platform that it seems to require. I haven't bought a game in a long time, and I'm puzzled: Apparently, SC2 is a "Steam"-powered game. When I went to install the game, it asked me to either create a new Steam account, or log in with an existing account. I clicked "Cancel" because I don't plan to play online and I don't want anything unnecessary installed on my computer, since I only plan to play single player! However, after clicking "Cancel", the installer asked for my confirmation that I indeed wanted to cancel installation of the game! I thought I was just canceling the "online" portions! So I really want to know: How do "Steam" powered games work? Is this essentially a form of DRM (Digital Rights Management)? Can I trust this software platform? Has anybody done any independent verification on how this platform works? (I'm very leery of any DRM after the Sony BMG CD copy protection scandal. Thank goodness for Mark Russinovich.) Does the "Steam" platform install anything particularly nasty or unwanted on my computer?

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  • Software to run a mozy/carbonite "online backup" server?

    - by chris
    I am interested in creating a server that is similar to the mozy/carbonite, but I want to run it myself. So I will need server software of some sort (we run ubuntu), and client software that runs in the background and uploads data from specified folders as it is changed. Basically i want to run the equivalent of mozy or carbonite for an internal corporate network. Clients are all WinXP

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  • Per-application volume control in windows XP?

    - by Chris Gow
    Is there a way either built-in (don't think there is) or via a third-party to specify the volume on a per application basis in Windows XP? For example, right now I am listening to some music on fairly loudly and I would like all of the alerts I am getting from other apps (email, twitter updates, IMs) to be reduced.

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  • How to configure Apache to run in front of IIS (.net+php)

    - by Chris
    Hi So basically I have IIS6 running a .net application, running on port 80. What I want is to insert php code in this application. I found on a forum someone suggesting to run Apache+php in front of the IIS server so, like this, the .net code will be interpreted by the IIS server and after that the result will be passed to Apache that will interpret the php code. Is it possible? If yes then how to configure the Apache server? Thanks guys :)

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  • Lockup when unlocking screen saver

    - by chris
    I've had this happen a couple of times - screen saver kicks in, locks the screen, and when I put my password in to unlock it the system just seems to hang. Cursor turns to the busy, HDD light flickers occasionally, but the only thing I can do at that point is power down. This is on a desktop, not a laptop and according to the bios all the power saving is turned off. Has anyone else seen this? Is there a way to prevent it, or at least diagnose the cause?

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  • Firefox 4 show tools menu in button interface

    - by chris.nullptr
    I like the extra vertical space provided by the latest firefox beta (4b9). However, the button interface doesn't give you access to the tools menu. I know that I can either temporarily enable the menubar by holding down the ALT key, but flipping a flag in about:config would be preferable. Does such a flag exist? Edit: I want to be able to access the tools menu from the new button interface like you can with Bookmarks, History, Options, and Help.

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  • getUserPrincipal() in JCIFS / Lan-Manager authentitation level setting in Windows 2k8

    - by Chris
    I have to find out in which exact format JCIFS stores the user principal in the "getUserPrincipal()" property. Therefor i created a test Environment like this: Windows Server 2008 Domain Controller Domain named "MYDOMAIN" Many Testusers in Active Directory Tomcat Application Server with my Web Application (which simply reads the user Principal and displays its values). The user should be logged in to the web-application with SSO therefor i need the format that jcifs is using to store the user. (For example user@MYDOMAIN or MYDOMAIN\user...) I tested the Authentication with other SSO frameworks with Kerberos Method and it works as expected. I'm now trying to use SSO through the NTLMHttpFilter of JCIFS. When i try to login i get the following error message: jcifs.smb.SmbException: The parameter is incorrect. jcifs.smb.SmbTransport.checkStatus(SmbTransport.java:541) jcifs.smb.SmbTransport.send(SmbTransport.java:641) jcifs.smb.SmbSession.sessionSetup(SmbSession.java:322) jcifs.smb.SmbSession.send(SmbSession.java:224) jcifs.smb.SmbTree.treeConnect(SmbTree.java:176) jcifs.smb.SmbSession.logon(SmbSession.java:153) jcifs.smb.SmbSession.logon(SmbSession.java:146) jcifs.http.NtlmHttpFilter.negotiate(NtlmHttpFilter.java:189) jcifs.http.NtlmHttpFilter.doFilter(NtlmHttpFilter.java:121) Regarding to the documentation i'm using to configure this, this is a know issue with the Group policy. It is stated there, that i have to change the Group policy "Networkaccess: lan-manager authentication level" to respond to NTLMv1 request. I have done this, but it's still not working. So what i also have to configure is the same policy on the client computer. I have to change the policy, so that the client computer sends NTLMv1. But it is always sending NTLMv2 tokens. The problem now is that i'm somehow not able to change this setting. (I already was before) because the dropdown box to choose the authentication method is "greyed out". edit: just to make this clear, this dialog is on the client-side in the "local-security policies" As you can see from this screenshot, the chosen method is "Only send NTLMv2 responses" which is the wrong setting and i'm pretty sure that this is causing the error above. My question is now, why can't i change this setting? Why is it greyd out?

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  • OS X will not register newly installed network adapters

    - by Chris
    I have purchased an Edimax 7318USg and tested it on a Windows machine (works). The installation process for the software for this adapter runs smoothly. However, OS X simply does not recognize new network adapters. When you go to System Preferences/Network, a new network adapter should be present/there should be an alert. This is not the case. Why might this be? Is there a setting I may reset to force the operating system to recognize this? Thanks!

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  • Win7 Install - diskpart shrink command

    - by chris
    I have an existing XP installation on a 160GB disk, with about 90 GB free. I'm trying to install Win7 on the same HDD, following directions from here. The question is: How long should it take to run the "shrink" command, given the above parameters? How much space will that free up for Win7?

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