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  • Network Block Device (NBD) clients for Windows or similar solutions

    - by przemoc
    Are there any NBD clients for Windows? Strangely, I cannot find any, or I am searching for them in a wrong way. Such client should be possibly a driver with front-end tool (may be a command-line one) allowing to create virtual drives and associate them with given hosts (or simply localhost) and ports where NBD servers are listening. From user perspective virtual drive should be close to what physical drive is, so it should be accessible as something like \\.\PhysicalDriveX (maybe \\.\VirtualDriveX?), be visible in Disk Management (diskmgmt.msc) and mountvol tools at least. (The only thing I found remotely close to NBD on Windows is ImDisk's proxy mode and companion tool devio, but AFAIK ImDisk only works at partition level (so no virtual drive) and devio uses different protocol.) Secondary question is: Are there any (preferably simple) Windows-specific solutions allowing creation of virtual drive delegating read/write request to user-space via some explicit way (like via TCP, IPC, DLL implementing given API, etc.)?

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  • what is the best setting for using lighttpd on 8G ram?

    - by user39639
    I have running 8GB ram and 8 x Xeon 3361 system! What is the best setting for running simultaneous connection! What is the maximum? Is setting like this correct? server.max-keep-alive-requests = 0 server.max-keep-alive-idle = 10 server.max-read-idle = 60 server.max-write-idle = 60 server.event-handler = "linux-sysepoll" server.max-fds = 2048 fastcgi.server = ( ".php" = ( "localhost" = ( "socket" = "/tmp/php-fastcgi.socket", "bin-path" = "/usr/bin/php-cgi", "max-procs" = 20, "bin-environment" = ( "PHP_FCGI_CHILDREN" = "40", "PHP_FCGI_MAX_REQUESTS" = "800" ), "broken-scriptfilename" = "enable" ) ) ) please help me!

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  • How to identify RAID (5 or 6) controllers that allow dynamic resize of the array

    - by David Pfeffer
    I'm building a server with a RAID5 array, based on a hardware controller. I want to be able to later add additional disks and have the array rebalance across all of the disks, enlarging the usable size. I also want to be able to later upgrade to bigger disks (one at a time, of course) and then expand the array to fill the entire drive. These features are available in Linux software raid (md). I've also heard they're available in some hardware controllers. Currently, I own the Adaptec RAID 3805 card and the 3ware 9650se card. I'd prefer to use the Adaptec if possible, but I can't find if either of these cards offer this feature. If they don't, are there other affordable (read as: sub-$600) RAID cards available that can accomplish this?

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  • USB keyboard not recognized by motherboard with only a legacy PS/2 header

    - by Luis
    I've bought a D945GSEJT Atom motheboard that has three usb ports available and no PS/2 connector, just a PS/2 header. I have a PS/2 keyboard with a PS/2 to USB adapter and connected it to a USB port. I tried all three USB ports. The problem is that the board seems to not recognize my keyboard. None of the keys I press are detected by the system. I've read that maybe I could try to change BIOS USB settings to solve this detection problem. But how can I do it if I can't type anything? Is there any other option other than buying a PS/2 adapter and plug it to the PS/2 header?

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  • Is Zabbix the right tool for me?

    - by hortitude
    I just want to monitor a small handful of servers (less than 10). From reading various places it sounds like the top leading contenders (for open source at least) are: nagios munin zabbix From what I have read a lot of people tend to use munin and nagios together -- munin for history and graphs, and nagios for alerting. On the other hand it sounds like Zabbix is a more complete solution and easier to configure than either of the other two. So I was thinking of going that route. My thoughts right now are: What are the general disadvantages of Zabbix? Does Zabbix have a small footprint on boxes it is monitoring? Do I really need to setup an entire other server for it? I currently have a server that is under very light load -- can I dual purpose it?

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  • PHP MAMP email stopped sending

    - by Kyle Parisi
    I'm working on a simple registration email. I'm using MAMP (free) with PHP. I was getting emails from my code before. Now I get nothing. Here is a test code that doesn't send the email either. <?php $to = "[email protected]"; $subject = "Hi!"; $body = "Hi,\n\nHow are you?"; if (mail($to, $subject, $body)) { echo("<p>Message successfully sent!</p>"); } else { echo("<p>Message delivery failed...</p>"); } ?> What might have changed? I read that perhaps my ISP blocked sending emails? How do I find out?

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  • Program to dump ID3 tag structure

    - by grawity
    Is there a program that would dump the complete structure of ID3v2 tags? Not just the frame names and values, but full information such as frame order, text encoding, description encoding (for TXXX frames), presence of unsynchronization, presence of multiple tags... Background: I'm rather curious why some files are incompatible with some programs. For example, some ID3v2.4 tags written by foobar2000 are not read by Winamp; editing with Mutagen fixes them but editing with foobar2000 breaks again. It's not the version or data encoding – most other v2.4 UTF-16 tags work fine... However, if I use foobar2000 to convert the tags to v2.3, then back to v2.4, they start working fine in Winamp – this last bit just does not make any sense. Edit: Linux or/and Windows.

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  • Folder cannot be deleted

    - by Aaron
    I am using Windows XP Home Edition. When I try to delete a folder I have named cygwin. When I try to delete it or any file or folder within it, there is a long pause, and then an error pops up, saying: Cannot delete Cygwin: Access is denied. Make sure the disk is not full or read-write protected and that the file is not currently in use. I have tried deleting the folder and the files it contains with FileAssassin, and unlocking it with LockHunter. Neither report any errors unless I try to have them delete the file or folder, then I get an error message saying Access Denied. I have rebooted into Safe Mode to change the ownership, but I get Access Denied when I click OK or Apply. How can I delete this folder?

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  • Configure fallback redis server

    - by snøreven
    I am using redis as a cache server. Can I somehow configure multiple redis servers, that the cache is fully functional (read/write) even if some of them go offline? I looked into master-slave, but the problem I see there is, that if the master fails, and I allow writes to the slaves, they get overwritten once the master is up again. Now the master just serves the old data. The only solution I could come up was disabling write-to-disc, but that sucks as I loose everything if I have to restart the master. And I guess, slaves wouldn't be synced anymore if the master is gone.

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  • Static Content Caching in Sticky Session ?

    - by Ravi
    can we do Static Content caching in Sticky Session Servers. We use SqlStateServer to store the Session of the user. right now we are doing performance tuning in our application, so we decided to cache the static Content(images, css, js) for the applicaiton. so that it loads faster. Is it Good to cache the static content in Sticky Session ? If it's good, then can any one give me some links where i can read about it. right now i done following settings in my web config file <staticContent> <clientCache cacheControlCustom="public" cacheControlMode="UseMaxAge" cacheControlMaxAge="500.00:00:00" /> </staticContent> can this is the good code ? will it not affect our sticky session environment ? my goal is to cache the static images, css, Js for the application

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  • Preferred apache permissions for www files with several authors

    - by user1316464
    I can't for the life of me figure out how to design my permissions scheme for my apache files. My requirements seem pretty simple: Apache should have standard permissions of RX for Directories and R for files Web authors should have RWX for Directories and RW for files Don't want to give any access to "other" Want new files/folders to inherit the proper permissions Here are the schemes I've tried 570 for directories and 460 for files Owner: Apache Group: Webdev The problem here is that new files created by users int the Webdev group are owned by user:Webdev and Apache can't read them. If Apache were in the group Webdev then it would also have the wrong permissions (ie it would have Write permissions to files) 750 for directories and 640 for files Owner: Webdev Group: Apache (Webdev is a member of Apache) The problem here is that there is only one webdev account and I have multiple people who need access to contribute. In theory this would work with only one developer if Webdev were also a member of the Apache group. Any ideas?

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  • Mount Docker container contents in host file system

    - by dflemstr
    I want to be able to inspect the contents of a Docker container (read-only). An elegant way of doing this would be to mount the container's contents in a directory. I'm talking about mounting the contents of a container on the host, not about mounting a folder on the host inside a container. I can see that there are two storage drivers in Docker right now: aufs and btrfs. My own Docker install uses btrfs, and browsing to /var/lib/docker/btrfs/subvolumes shows me one directory per Docker container on the system. This is however an implementation detail of Docker and it feels wrong to mount --bind these directories somewhere else. Is there a proper way of doing this, or do I need to patch Docker to support these kinds of mounts?

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  • Upstart: accept user input to switch xorg.conf

    - by Utaal
    Hi all! I'm trying to get a startup script requiring user input running before gdm starts (the script should allow me to choose from a list of xorg.conf's the one I'd like to use for the current session). Already tried creating a pregdm.conf in /etc/init, containing: start on filesystem stop on runlevels [06] # ... console output script # script that uses read to gather user input and replaces xorg.conf with the selected one end script and changing start on in /etc/init/gdm.conf to: start on (filesystem and started dbus and started pregdm and (drm-device-added card0 PRIMARY_DEVICE_FOR_DISPLAY=1 or stopped udevtrigger)) Echos are displayed in console but I can't make it wait for user input: gdm is started straight away. Any pointers? Thanks a lot

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  • REMOTE_USER through Apache reverse proxy

    - by Laurent
    I have an Apache webserver with mod_proxy enabled and a Virtualhost, proxy.domain.com. This proxy is configured to prompt the user for credentials with AuthType Basic. Then, the content of web.domain.com is available through the proxy with ProxyPass and ProxyReverse. However, the REMOTE_USER variable is empty. I read different things to achieve this with mod_rewrite and mod_headers but all my tries have failed. Does anybody has been luckier than me? Thanks.

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  • Is there a way to import a scheduled task from windows 2003 (.job) to windows 2008 (.xml)?

    - by Rodrigo
    I had some jobs to be moved from the old production server (windows 2003 server standard) to the new machine (windows 2008 server standard), but the new server is unable to read the old .job format, also the import wizard only imports from .xml job files (same version). Obviously I don't want to rebuild all the jobs by hand, but can't find a tool that makes the process a very little easier. I don't trust in Microsoft for this kind of tools, my previously experiences had been to bad (DTS - SSIS). Any ideas? Thanks in advance.

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  • Can Windows 8 boot from FireWire?

    - by Holli
    I read many times Windows 7 is unable to boot from an external FireWire drive but I wonder if Windows 8 is able to do so. I need to run Windows on my Mac but only very few times so my idea was to move it all to an external drive. I have one of the first Intel Macs so running Windows in a virtual machine is not really fun. The performance is just too poor. Adding a Boot Camp partition to my internal drive is also not possible at the moment.

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  • Having problems with Grub2 booting Ubuntu from my External Hard Drive

    - by anonymous
    I installed Ubuntu on my external hard drive but it won't boot on my laptop. what do i do? i did some reading and traced the source of the problem to grub2. Apparently, grub2 doesn't use the device's UUID, and uses the linux directory instead (/dev/sdf2). This means that whenever i plug my E-HDD into a system that has a different number of drives connected to it, i won't be able to boot without editting the boot command. I don't understand it too well but that's what i got from what i read. Is there anyway to fix this?

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  • Dhcp server change fail after successful importing to new machine

    - by Tathagata
    I transfered the configs of a dhcp server from one server to another both running Windows Server 2003 R2 following http [://] support.microsoft.com/kb/325473. The new server has a statically configured ip(outside the scope) like the old one. Stopped the server on the old, and started up in the new server (authorized too) - but when I ipconfig /renew from a client its network interface fails with all 0.0.0.0 (or 169...*). I read somewhere I need to reconcile the scope to sync the new registry values ('ll try this tomorrow). What other troubleshooting steps can I take other than these (which didn't help)? Things work fine when the old server resurrects and the new one is taken down. The new server showed there was no requests for offer.

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  • Infected Win XP disk not openable on a Vista computer

    - by Retired57
    How can I read a WinXP partioned disk that is infected and shows up on a USB connection to Win Vista computer as a single partition that Vista cannot see the contents? The XP computer HDD is partioned into 4 partitions. It became infected, and all attempts to clean it have failed. Applications begin to launch, but are then shut down by the infecting agent. Using a major Anti-virus Co. boot disk (which was unable to connect to the Web, probably because the infecting agent stopped it) with virus definitions dated after the disk became infected, the resultant scan showed no infection. I bought a USB cable to connect the IDE drive to my Vista computer, but when I open Win Explorer, it sees the disk, but does not show any contents. It indicates it is a single partition that is valid. However in all the ways I have tried it does not show drive contents. Any suggestions on what to do next?

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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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  • nginx connection reset

    - by Steve
    When first visiting my site after not visiting it for a few minutes, the connection is "reset" 100% of the time. I get this message when debug is turned on, along with a 400 bad request status message: client prematurely closed connection while reading client request line I've read that this could be caused by large_client_header_buffers setting. I have google analytics on my site. Using live http headers, I get this as the request: `GET /__utm.gif?utmwv=5.3.7&utms=35&utmn=745612186&utmhn=domain.com&utmcs=UTF-8&utmsr=1920x1080&utmvp=1841x903&utmsc=24-bit&utmul=en-us&utmje=1&utmfl=11.4%20r402&utmdt=2006Scape%20Forums%20-%20General&utmhid=2004697163&utmr=0&utmp=%2Fservices%2Fforums%2Fboard.ws%3F3%2C4&utmac=UA-25674897-2&utmcc=__utma%3D68455186.1647889527.1351640625.1352446442.1352451659.100%3B%2B__utmz%3D68455186.1352097329.64.2.utmcsr%3Ddomain.com%7Cutmccn%3D(referral)%7Cutmcmd%3Dreferral%7Cutmcct%3D%2Fservices%2Fforums%2Fboard.ws%3B&utmu=q~ HTTP/1.1 my large_client_header_buffers in nginx is set to 4 8k, so I don't know if this is the problem. Immediate requests have the first "reset" request are all successful.

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  • Is a PCIE X1 card for USB 3.0 worth it?

    - by lelouch
    I have a portable HDD on USB 3.0, and soon I'll have a 32gb flash drive on USB 3.0 as well. My motherboard is pretty old - and the next time I'll upgrade it is when I get a new CPU/mobo/ram. Slots on my mobo: PCIE X16 - For my GTX 260 2xPCI PCIE X1 I'm considering purchasing a PCI express X1 card like this - http://www.ebay.com.au/itm/PC-Laptop-2-USB3-0-Ports-PCI-E-PCI-Express-X1-Card-New-/280772000446?pt=AU_Networking&hash=item415f50babe Now the question: What are realistic (read/write) speeds I'll get in this setup, assuming I have 1 USB 3 device connected at a time, and the bottleneck is the PCIE?

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  • How Can I Edit Google Chrome's 'History Provider Cache' File?

    - by dissolved
    I'm interested in editing (not completely deleting) contents of some of Google Chrome's cache files. In particular, the 'History Provider Cache' (found in ~/Library/Application Support/Google/Chrome/Default on Mac). As this other question suggests, it appears to simply be a SQLite file. Unfortunately, when I try to open it using a SQLite browser (MesaSQLite) I'm asked for an encryption key. So, I'd welcome any suggestions on how to either (1) determine the encryption key, or (2) an alternate way to edit this file. The end goal is to be able to remove specific annoying suggestions in the Omnibar. I've read countless other techniques, but none seem to remove suggestions that have the clock icon next to it. Some say deleting this file entirely will do the trick (and I imagine it will), but I don't wish to trash my entire browsing history. I find most of the suggestions to be useful and helpful, and I'd like to preserve that.

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  • How to avoid copying corrupted files with rsync

    - by Roberto Aloi
    I have an HDD with plenty of files, some of which are unfortunately corrupted. I'm now trying to copy the good files into a new HDD. I'm using: rsync -azP SRC TGT When rsync comes to one of the corrupted files, I can see a message in the console: rsync: read errors mapping XXX: Input/output error (5) In the target folder, I still see the corrupted file, which I'm not able to open and which I have to delete manually. Is there any option to tell rsync not to copy files after a i/o error?

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  • Explanation of nodev and nosuid in fstab

    - by Ivan Kovacevic
    I see those two options constantly suggested on the web when someone describes how to mount a tmpfs or ramfs. Often also with noexec but I'm specifically interested in nodev and nosuid. I basically hate just blindly repeating what somebody suggested, without real understanding. And since I only see copy/paste instructions on the net regarding this, I ask here. This is from documentation: nodev - Don't interpret block special devices on the filesystem. nosuid - Block the operation of suid, and sgid bits. But I would like a practical explanation what could happen if I leave those two out. Let's say that I have configured tmpfs or ramfs(without these two mentioned options set) that is accessible(read+write) by a specific (non-root)user on the system. What can that user do to harm the system? Excluding the case of consuming all available system memory in case of ramfs

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