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  • Best filesystem choices for NFS storing VMware disk images

    - by mlambie
    Currently we use an iSCSI SAN as storage for several VMware ESXi servers. I am investigating the use of an NFS target on a Linux server for additional virtual machines. I am also open to the idea of using an alternative operating system (like OpenSolaris) if it will provide significant advantages. What Linux-based filesystem favours very large contiguous files (like VMware's disk images)? Alternatively, how have people found ZFS on OpenSolaris for this kind of workload?

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  • What if I dismount main volume, where the Windows is installed

    - by ST3
    I'm writing permanent file deletion tool and accessing raw disk clusters. Since Windows Vista writing into raw disk is a bit more complicated. I have tried on my external data device first and worked fine, however one of the steps was dismounting of the volume, not sure if it is a good idea to dismount main volume where the Windows are. Want to ask that is possible consequences and if it safe/unsafe/very unsafe.

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  • Permissions changed after Mail.app and associated data crash

    - by Olivier
    Hi there, I experienced a major Mail.app crash on Snow Leopard couple of days ago. It took me hours to be able to make the folder structure usable again by Mail. I changed permissions back to 755 for all subfolders starting from and including ~/Library/Mail Mail now works again but settings such as folder order in the left side bar and mail ordered by date in some folders don't persist anymore. Any idea? Thxs for help

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  • Blocking ICMP outgoing requests only in eth1

    - by Raj
    I am creating a NAT with iptables: Computer A: eth0 (dhcp) + eth1 (static ip 192.168.0.1 - gateway) Computer B: eth1 (static ip 192.168.0.2, using Computer A as gateway) I know how to block ICMP outgoing requests (-A OUTPUT -p icmp --icmp-type echo-request -j DROP), but that would block ICMP requests from Computer A, but not from Computer B (in fact, only for Computer A - Computer B can keep doing those). I tried with the same command, but adding -o eth1, but that does not block at all. Any idea?

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  • Is Samba Server what I'm looking for, and if so, what do I need? (currently on DD-WRT Micro)

    - by Anthony
    I am really confused as to what Samba actually does and how it works. Here's what I'm hoping it does: I set up a Samba server on my LAN, and everyone will be able to see each other's shared files and swap them. But some of the documentation makes it sound like it will just allow Mac/Linux computers to see Windows computers. Other bits of the documentation make it sound more like a local server, where a Linux machine would install Samba and they would see everyone and be visible to everyone, but that won't change if anybody else can see each other. While still other things I've read make it seem more like a file-server, where everyone sees each other but file transfers are not peer-to-peer but instead need a host disk for files to act as go between. So, assuming I'm even in the right ballpark of what Samba does in terms of my goal of total cross-visibility on the network, I am left with needing to know what I'd need to set up the server and whether it can be done and is worth it... DD-WRT's article on Samba is a bit ambiguous. One second it sounds as if I can run the server on micro as long as it's set up on a usb drive, but then it also sounds like micro can't run it at all, etc. If I can run it from a usb-connected drive, I still need to know if the files are actually stored on that drive. The dd-wrt article mentions: You can run a Samba server on your main computer and run a client on your router (thus gaining writable storage for the router) or you can use Samba to share a drive connected (typically by USB) to the router among all the computers connected to your network. That one part "to share a drive...among all the computers" makes it sound like the only benefit I get from Samba is a share drive that any OS on the network can see, but they still won't see each other. But I'm very hopeful I'm misreading this. If the computers can see each other but still need the disk, how much space is generally a good idea? I'm basing this on the idea that the drive is a temporary store point. Obviously I'd have to get a drive big enough to store everything people wanted to share if the drive is a full-on file server. If I do have this all wrong, is there any software that achieves what I have in mind? Something that connects to the main router to bridge all clients?

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  • Sudden increase in avalable hard drive space

    - by Faken
    I was copying large files over to my computer for video editing and keeping an eye on available hard drive space I knew I should have had just enough space to put everything. However, as I was getting close to filling up my hard drive, the available free space suddenly jumped by about 30GB. Any idea what happened?

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  • Run VirtualBox in background, without a window

    - by Bashman
    Hi! I was wandering if it's possible to run an Ubuntu virtual machine using VirtualBox in background, I mean, without any window open. The idea is to conect via SSH to the linux host, that would be running in background. Have you ever done somenthing like this? Is it possible? Thanks!

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  • windows xp - shift key pops up a menu

    - by shachar
    Helo all! A wierd shift-key problem, for which all I found was sticky keys answers First of all, I have all the sticky keys and related, Disabled. Every windows that is currently in focus, if I press the left shift-key alone, pops up the current window menu. I have no idea how and why this has happened, or how to disable it. I could not find any reference in google about it (perhaps my search-string was not good..) any help would be appriciated

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  • how can I manage user-dependent variables, that are valid on the whole domain ( Win Server 2003)

    - by Stephane R.
    Hello I am working on a system that needs a user-dependent variable, the user in on Windows XP and is connected to Windows Server 2003. I cannot save this variable in the registry of the local machine under HKCU, because the users are likely to exchange their machines. This variable must be accessible on the whole domain. Do you have any idea of implementing this ? Are there WMI features that may help me ?

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  • when /etc/modules is used?

    - by Dyno Fu
    "# /etc/modules: kernel modules to load at boot time." my question is when and where the module loading job done? my first guess is some init scripts in /etc/init.d/ but grep got none. then i think it might be the init ramdisk, but after decompress it, i found conf/modules which is different with /etc/modules. any idea? thanx.

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  • Loosing network cached passwords after a restart on Vista

    - by Nauman
    The passwords cached for Network shares on other computers and applications like MSN Live, MS Outlook, Sharepoint portal, Outlook Webmail, etc are lost when I reboot my computer, which runs on Vista. I always check the Remember password checkbox in applications/login dialogs where ever prompted. I cannot imagine of a third party program that may clean up this on system restart/shutdown. Any idea, as to what is going wrong?

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  • Check mysql slow queries

    - by Rafal Kaminski
    Is it possible to monitoring mysql like: if some queries is run more then 300 seconds - it will be warnings if some queries is run more then 500 seconds - it will be critical I tried: /usr/lib/nagios/plugins/check_mysql_health --hostname localhost --username icinga --password XXX --mode slow-queries --warning 300 But is show only rate slow_queries/per second :( Do you have some idea how i can monitoring sth. like i want? Thank you for help. Br,

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  • Screen refresh rate in Ubuntu

    - by user24224
    I am having problems with the refresh rate if the screen . In the the refresh mode of the monitor in the monitor options have only one option 60Hz. I have LG 24 + ATI Radon 3870, and have already installed the ATI driver via Ubuntu download center. Any idea how I solve that one? Thanks.

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  • Install WAS 7.0 on RHEL 6

    - by Madhur Ahuja
    I am trying to install Websphere 7 x64 on RHEL 6 x64. I am using Developer edition. When I try to execute ./install on the command prompt, it waits for few seconds and then returns to prompt without any error. I have installed all the pre-requisites as listed in this article: http://pic.dhe.ibm.com/infocenter/wasinfo/v7r0/index.jsp?topic=%2Fcom.ibm.websphere.installation.base.doc%2Finfo%2Faes%2Fae%2Ftins_linuxsetup_rhel6.html Any idea how to troubleshoot this ?

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  • Internet<->Server<->Router<->Computers Setup

    - by DanSpd
    Hello once again, Another question related to network setup. Idea is to setup network as following: Internet<-Server 2k3<-DLink 655 Router<-computers, etc But the main point is to keep direct internet connection on server and provide internet access to all computers connected to router. Question is how to? Thank you P.S. Server has two Ethernet ports

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  • laptop battery isn't seen

    - by doug
    Hi there, I have a laptop, which was most of the time on wired power. Now it seems to not work at all on battery and in Control Panel-Power Option battery isn't recognized at all(is 0%). Do you have any idea about what can I do? ps: my laptop is Acer Aspire 1640z and I'm using Windows XP SP3

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  • How to fix Visual Studio 2008 freeze?

    - by Mnementh
    My Visual Studio 2008 freezes under some conditions. First, after a restart it is fine, but once it starts updating IntelliSense and counting down items it stops on the same number (the number slightly changed with further changes in the project). After that I get a sure freeze for: right-click in the code to get a context-menu changing from Debug to Release and vice versa quitting visual studio After a freeze I have to kill the process. Any idea what is wrong here?

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  • Squid allow both authenticated and ip based logins

    - by Pete Sampras
    I have a proxy server which allows users to connect and authenticates them via user/pass but some of them are complaining about this method since not many of the available proxy software support that method so I wish to config my squid in such way that it allows members to connect via user/pass or based on their pc ip but I'm not sure if that could work. Anyone with an idea?

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  • HP Smart Array p400i with Intel X25-M 160 SSD

    - by user67304
    I have a pair of x25-M 160 Intel SSD's in an HP DL360 G5 with a p400i Smart Array running 512 BBWC. The disk performance I am getting on this box and another identical one does not come close to matching the same two drives running through a cheap 3ware RAID card. Any idea? I have played with the cache settings, but nothing allows me to get the same results. It seems like the Smart Array controller is the bottleneck.

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  • How do I fix a corrupted copy of .Net Framework on Windows 7?

    - by David
    I receive the following error when trying to run applications that require .net Framework 3.5: "Could not load file or assembly 'System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' or one of its dependencies. The module was expected to contain an assembly manifest." I've tried numerous fixes, such as reinstalling through ad/remove software, copying the .net folder over from a clean windows 7 install, and running the .net cleanup tool. Just wondering if anyone has run into this issue before, or has an idea on how to fix it.

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  • Exim4 won't send message

    - by PeterMmm
    My exim4 don't send any message. The logs says 2011-03-09 15:59:57 1PxKrl-00038i-BT malware acl condition: clamd: ClamAV returned /var/spool/exim4/scan/1PxKrl-00038i-BT: lstat() failed: Permission denied. ERROR I supose that clamav (running clamd) does'nt have access rights on the mentioned file, but clamav is in the same group as Debian-exim (running exim4). Even changing the folder permissions to a+rwx has no effect. Any idea where to look for failure reason ?

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