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• Cache Refresh in Chrome

  - by gAMBOOKa

  I dunno what exactly it's called, by cache refresh I mean, refresh the page after clearing its cache. I don't want to clear the entire browser cache. I prefer Chrome's Dev panel against firebug... don't ask me why. But I can't seem to cache refresh my pages. In FF, I know it to be Shift+Refresh. In chrome, I've tried Ctrl+R, Ctrl+Refresh, Alt+Refresh, Shift+Refresh but none of them work. EDIT: I got a Notable Question Badge for the lamest question I've ever asked. FML.

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• an attempt was made to logon, but the network logon service was not started

  - by RodH257

  We've recently had a catastrophic raid failure on our servers, which were being backed up with shadow protect. After 3 days of copying I finally got our file server back in a VM. As we used a 'virtualboot' for the file server in the meantime, I effectively had two copies of the server on the network at once. In order to copy back the files that changed, I tried to rename the file server, and change its IP address (I should also mention, the file server is a backup DC). When I renamed it, it came up with an error, so I rebooted. Now I can't login, it says "an attempt was made to logon, but the network logon service was not started" I don't care if I have to recreate the Vm and reinstall windows, but I would like to be able to get the files off this VM. How can I get access to it?

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• Kernel NTFS driver vs NTFS-3G

  - by Jack

  A more comprehensive phrased question since I lost access to the other one. I would ask that the other one be deleted, not this one, as it should not have been migrated in the first place. There are currently two NTFS drivers available for Linux. The NTFS driver included in the kernel, and the userspace NTFS-3G driver that makes use of FUSE. By all accounts, NTFS-3G works perfectly. My question then, is if the NTFS filesystem has been successfully reverse engineered, why have the kernel NTFS team not implemented the changes in their driver? At the moment it is still marked as experimental, and there is a good chance it will destroy your data. Note: This has absolutely nothing to do with distributions...

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• 503 Service Unavailable - What really it means?

  - by pandiya chendur

  Possible Dup: http://stackoverflow.com/questions/2529244/503-service-unavailable-what-really-it-means I am asking on behalf of original question poster because we both work in the same place... I developed a website and it loads in every other system but certainly not in mine ... WHen i used firebug my request show 503 Service Unavailable Firebug response header showed, Server squid/2.6.STABLE21 Date Sat, 27 Mar 2010 12:25:18 GMT Content-Type text/html Content-Length 1163 Expires Sat, 27 Mar 2010 12:25:18 GMT X-Squid-Error ERR_DNS_FAIL 0 X-Cache MISS from xavy X-Cache-Lookup MISS from xavy:3128 Via 1.0 xavy:3128 (squid/2.6.STABLE21) Proxy-Connection close For REF: please visit the original question and look at the answers and comments and help us out..

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• Load Average runaway

  - by mewrei

  Is there any way to chase down lockups and runaway load averages? Every so often (pretty randomly) I'll get my load average spike up over 5 usually to around 10-15 and sometimes as high as 75 (dual core machine), and cause my system to lock for an indeterminate amount of time. The only thing I can possibly chase it to is using nVidia fakeraid (RAID-1) with JFS on top of that for my /home partition. Also I noticed that when my load averages spike, the power management system doesn't step up my processor speed from 1.6 to its maximum 2.13Ghz clock speed (not sure if this makes a huge difference with this problem). Any ideas?

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• Daisy Chain a VNC

  - by mastercork889

  Part 1. Theoretically, would daisy chaining a VNC work? EG, If I wanted to VNC into a specific computer on a different network could I VNC into a computer onto that network and ultimately get into the computer I need? So computers A, B, C, D, and E, are all on different networks from one another. I'm at A, could I VNC into B, then C, then D, then E. I understand that I can just VNC into E, but this question is a theoretical question. Part 2. Could I do a sub-looped daisy chain with VNCs? EG, A B C D C B E? Could that theoretically work, or would it screw up somewhere along the trail?

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• Getting macro keys from a razer blackwidow to work on linux

  - by Journeyman Geek

  I picked up a razer blackwidow ultimate that has additional keys meant for macros that are set using a tool that's installed on windows. I'm assuming that these arn't some fancypants joojoo keys and should emit scancodes like any other keys. Firstly is there a standard way to check these scancodes in linux? Secondly how do i set these keys to do things in command line and x based linux setups? My current linux install is xubuntu 10.10, but i'll be switching to kubuntu once i have a few things fixed up. Ideally the answer should be generic and system-wide Things i have tried so far: showkeys from the built in kbd package (in a seperate vt) - macro keys not detected xev - macro keys not detected lsusb and evdev output this ahk script's output suggests the M keys are not outputting standard scancodes Things i need to try snoopy pro + reverse engineering (oh dear) Wireshark - preliminary futzing around seems to indicate no scancodes emitted when what i seem to think is the keyboard is monitored and keys pressed. Might indicate additional keys are a seperate device or need to be initialised somehow. Need to cross reference that with lsusb output from linux, in 3 scenarios - standalone, passed through to a windows VM without the drivers installed, and the same with. LSUSB only detects one device on a standalone linux install It might be useful to check if the mice use the same razer synapse driver , since that means some variation of razercfg might work (not detected. only seems to work for mice) Things i have Have worked out: In a windows system with the driver, the keyboard is seen as a keyboard and a pointing device. And said pointing device uses, in addition to your bog standard mouse drivers.. a driver for something called a razer synapse. Mouse driver seen in linux under evdev and lsusb as well Single Device under OS X apparently, though i have yet to try lsusb equivilent on that Keyboard goes into pulsing backlight mode in OS X upon initialisation with the driver. This should probably indicate that there's some initialisation sequence sent to the keyboard on activation. They are, in fact, fancypants joojoo keys. Extending this question a little I have access to a windows system so if i need to use any tools on that to help answer the question, its fine. I can also try it on systems with and without the config utility. The expected end result is still to make those keys usable on linux however. I also realise this is a very specific family of hardware. I would be willing to test anything that makes sense on a linux system if i have detailed instructions - this should open up the question to people who have linux skills, but no access to this keyboard The minimum end result i require I need these keys detected, and usable in any fashion on any of the current graphical mainstream ubuntu varients

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• No apache MPM package installed error

  - by Sejanus

  I'm getting "No apache MPM package installed" when trying to configure virtual hosts on apache2.2. I compiled apache2.2 from source and I did not use --with-mpm=NAME option. I thought it will compile with default one then. So the question is, is there any way to check if MPM is installed indeed and I only need to enable it somewhere? If it is not, is there any way to add it without recompiling apache? Or, is there any way to have virtual hosts without it at all? I was doing vhost configuration as per this example. Thanks in advance for your help ;) EDIT: prefork is installed. The question is, why after a2ensite / a2dissite and /etc/init.d/apache2 reload I still get error "No MPM package installed"...

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• WAMP, DD-WRT, Using DNSMasq to access multiple virtual hosts via aliases on local network

  - by christian

  I've updated my question to coincide with my progress I am attempting to configure WAMP on my development machine. I would like to use it in conjunction with DD-WRT's DNSMasq feature to access multiple virtual hosts via aliases (dev1.local,dev2.local,etc.) over my local wireless network. I have followed the following tutorial which allows me to setup virtual hosts and access on local network by ip addresses. http://www.logicspot.com/web-development-2/viewing-a-locally-hosted-website-with-your-smartphone/ I've got this up and running. For simplicity sake I'd still like to setup DNSMasq to connect via aliases. I have followed the following tutorial http://www.question-defense.com/2008/12/29/add-static-dns-entries-to-dd-wrt-router-firmware And the aliases load on my development machine, but I can not access via the aliases on my mobile devices connected to the local network. I can however access via IPs. Thanks for any help you can provide

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• How can I get an hp laserjet 1000 printer to work with 64-bit Windows 7?

  - by ctrager

  Lots of people are asking this question but I haven't found an answer anywhere,.

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• Can I flash a PCI-E device's Firmware in a VM if the VM has exclusive IOMMU access?

  - by RibaldEddie

  I have a PCI-E Dell Perc 6/i RAID card that I'd like to flash with the latest firmware. Apparently I need either a Redhat / Centos OS or Windows in order to flash the firmware, but I have a VMWare 5.0.1 ESX hypervisor installed on the box and a CentOS guest OS. My motherboard support IOMMU and I have successfully used VMWare's PCI Passthrough feature to give VMs exclusive access to a PCI-E device. Is it safe to flash the firmware of a PCI-E device if that device is passed through to a single VM using the passthrough feature of VMware? Or should I boot one of the supported OSes directly on the bare metal?

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• many partitions on a single filegroup?¿ does it make sense?

  - by river0

  Hi, I'm designing a datawarehouse solution and I'm a newbie in disk configuration issues, let me explain you. Our storage is spread over 6 storage enlosures having each of them 5 raid-1 disk arrays, and having 2 LUNS defined per each disk array, which makes a total 48 LUNS (this is following Microsoft fast track recommendations for datawarehouse architectures). I would like to partition my data, on other projects I have worked before, we always followed a 1 partition - 1 filegroup rule. On the microsoft fast track recomendations it is advised to create a filegroup and then for that filegroup a data file per each lun... but I pretend to have a week level partitioning... if I apply that rule I think that I'll get too many files and a complex layout. I'm thinking of just creating just one filegroup (with the 48 lun data files), but still create the partitions since I want to keep soem of the benefits of partitions like partition switching... Is this scenario not recommended? What would you suggest?

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• Running perfmon continuously with periodic reports

  - by Sal

  I have a question very similar to this one, but I want to continuously run perfmon, during reboots and throughout the day. Further, I'd like to generate a perfmon report every 10 mins or so. The original question tells me how to run perfmon when the server is restarted, but I don't know how to make perfmon continuously run while throwing periodic files. I've tried setting it as a scheduled task that needs to be done every 10 mins, but this is too sloppy, and when the scheduled task kicks another instance, the current perfmon report writer crashes, and I get a garbage report. I've also tried writing a sloppy batch script that would fire off the task at scheduled intervals, but this is the same problem as the scheduled task. I'm sure I'm just missing something silly, but I don't see it. Ideas? (If it helps, I'm running Windows 7 locally, and I'm trying to set up the processes for boxes running Windows 2008.)

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• Backing up Information Store - Recovering to Different Information Store / RSG

  - by Kip

  Hi All, I have a question on a situation, that hasn't yet arrisen but I wondered the possibilities and how we go about it. Currently we backup our Exchange 2003 Cluster with Backup exec. Currently it is set to backup the Microsoft Information Store on that server and all of the Mailbox Stores beneath it. We have previously used this in conjunction with a recovery storage group on the same server to recover lost mailboxes. However, due to space constrictions on that server ( a seperate issue that is being addressed in the very near future but outside of the scope of this question) we now don't have enough space on that server to do a recovery storage group type restore. Is it possible, to restore an information store, to a different server in the same administrative group (ie first)? By that I mean we have the following: Server1 | First Storage Group | Mailbox Store1/2/3 Could Mailbox Store 1 be restored to: Server2 | First Storage Group | Recovery Storage Group Both servers are under the same Administrative Group Currently for whatever reason ( mainly time) the mailboxes are not being backed up individually. Regards Kip

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• Can you authenticate into SSAS with AD LDS (ADAM) accounts?

  - by Jaxidian

  I'm very new to AD LDS and experienced but not qualified with SSAS, so my apologies for my ignorances with these. We have a couple implementations where we expose SSAS via an HTTPS proxy (msmdpump.dll) and currently we have a temporary domain setup handling this (where our end-users have a second account+creds to manage because of this = non-ideal). I want to move us towards a more permanent solution which I'm thinking of moving all authentication to AD LDS for our web apps, SSAS, and others. However, SSAS is where I'm concerned about this. I know SSAS requires Windows Authentication and to play nicely, and that this ultimately means Active Directory will be involved. Is there a way to get this done with AD LDS instead of having to use a full AD DS implementation? If so, how? (Note: My question over at StackOverflow had a suggestion that I post this question here on ServerFault instead. My apologies if I'm not asking in the right forum.)

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• Sound card / microphone impedance mismatch

  - by axk

  First of all I'm not completely sure this is impedance mismatch, but from what I found on the Internet I believe it is. It seems to be a common problem. The question is not as much about solving the problem as about why it is happening (if I'm right about the cause of the problem, of course). I had this quiet microphone problem with several built in cards and microphones and now with a Creative Audigy SE. There's a microphone boost option which introduces a lot of noise with volume increase, but even this doesn't seem to give loud enough sound in some cases. The mic on my current headphones is very quiet with Audigy SE without the boost but is very loud and low noise with an external Sound Blaster Connect. So the question is have I just been unlucky with my sound cards and microphones or is it a common problem? And if it is a common problem why is it so difficult for the vendors to standardize on the sound card / microphone impedance? Edit: the OS is Windows (XP/7), but I don't believe it is OS-specific.

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• How to start using Wget?

  - by brilliant

  Please, forgive me for asking this question. Usually I would try to learn thisngs myself first before bothering others, but my situation is urgent - if I don't act now and don't download all my family pictures from this website, it will be closed in about two weeks from now and I will loose all of them. So, please help me. I have already asked a question about how to download from my website all my pictures automatically here and I was advised to use Wget. But I don't know the very basics as to how to use it. The basics are not explained on that page. In that questioned that I asked I was even given this line: wget -r -A .jpg,.gif,.png but I don't know what I am supposed to do with it in order to get the Wget going and download all the pictures from my website. Please, help me somebody!

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• KVM slow guest i/o

  - by Akarot

  Host: Debian 6.0 (squeeze) with qemu-kvm and libvirt from squeeze-backports ii qemu-kvm 1.0+dfsg-8~bpo60+1 ii libvirt-bin 0.9.8-2~bpo60+2 Has 3TB sata drives with software raid and lvm. It has a sequential write speed of ~140MB/s measured with dd bs=1M count=512 if=/dev/zero of=test conv=fdatasync Elevator set to cfq Guest Debian 6.0 (squeeze) Uses LVM as storage. Drivers are virtio and cache='none' Sequential write speed is considerably slower with only 25-50MB/s Elevator set to noop I'm kind of running out of ideas for further tweaks but I'm sure that I/O speed should be much faster because many people are reporting almost native performance with lvm.

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• Must partprobe before using drive?

  - by Jeff Welling

  This is a followup question to Cannot mount /dev/sdc1 on Debian 5.0, special device /dev/sdc1 doesn't exist Basically, I have 6 SATA hard drives in a machine and I'm trying to create a RAID6 array with them. When I try to run the mdadm command to create (with the verbose option) a raid array, I see messages like "mdadm: super1.x cannot open /dev/sdf1: No such device or address" which are resolved by doing partprobe /dev/sdf and then re-running the mdadm command. The problem is that I have to run partprobe after each reboot, and from experience I don't think this is normal behaviour -- on no other linux machine do I have to partprobe the device before I can use it. Something must be going wrong, but how do I troubleshoot this to find out what? Could this be caused by a hardware problem? Edit: Additional note - before I seemed to only have this problem with one drive, but now I'm having it with 3 drives.

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• Running perfmon continuously with periodic files

  - by Sal

  I have a question very similar to this one, but I want to continuously run perfmon, during reboots and throughout the day. Further, I'd like to generate a perfmon report every 10 mins or so. The original question tells me how to run perfmon when the server is restarted, but I don't know how to make perfmon continuously run while throwing periodic files. I've tried setting it as a scheduled task that needs to be done every 10 mins, but this is too sloppy, and when the scheduled task kicks another instance, the current perfmon report writer crashes, and I get a garbage report. I've also tried writing a sloppy batch script that would fire off the task at scheduled intervals, but this is the same problem as the scheduled task. I'm sure I'm just missing something silly, but I don't see it. Ideas? (If it helps, I'm running Windows 7 locally, and I'm trying to set up the processes for boxes running Windows 2008.)

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• what is acceptable datastore latency on VMware ESXi host?

  - by BeowulfNode42

  Looking at our performance figures on our existing VMware ESXi 4.1 host at the Datastore/Real-time performance data Write Latency Avg 14 ms Max 41 ms Read Latency Avg 4.5 ms Max 12 ms People don't seem to be complaining too much about it being slow with those numbers. But how much higher could they get before people found it to be a problem? We are reviewing our head office systems due to running low on storage space, and are tossing up between buying a 2nd VM host with DAS or buying some sort of NAS for SMB file shares in the near term and maybe running VMs from it in the longer term. Currently we have just under 40 staff at head office with 9 smaller branches spread across the country. Head office is runnning in an MS RDS session based environment with linux ERP and mail systems. In total 22 VMs on a single host with DAS made from a RAID 10 made of 6x 15k SAS disks.

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• Get rid of Vista security warning

  - by Ken

  I found this question. The question exactly matches my problem, but the solution doesn't work. In the Properties window, I see "Security: This file came from another computer and might be blocked to help protect this computer. ((Unblock))". When I click Unblock and Apply, the Security section disappears. But when I go to run it again, I still get the security warning. If I right-click and choose Properties on the exact same thing, the Security section is back, offering me the chance to Unblock it again. So unblock seems exactly as useless as the "Always ask" checkbox. Anyone seen this before? How do you really Unblock an app that Vista doesn't want to let you Unblock?

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• NetApp and SQL Server?

  - by Edinor

  Do you have any good or bad experiences to share running SQL Server OLTP Systems on NetApp appliances? I have been working with a small, relatively low-volume cluster with a lower-end NetApp device, and I have found the environment to be generally unstable, at least compared to my experiences with other SANs, iSCSI arrays, and DAS setups. I struggle to believe that RAID DP and WAFL are more than fairy-dust technologies. A solution has been proposed to me that I just need a bigger, better NetApp, with PAM cards and other cool technology I've not heard of, and I feel like I would be better off spending a quarter of that on good direct-attached drives and a beefy server. At the same time, I feel that an Enterprise-class SAN should be something I can count on to be consistently a more stable, better performer than the less expensive solution I might propose. Are you a SQL Server DBA in an OLTP environment and love your NetApp? If you don't like them, why not?

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• Centos Virtual host loading default page

  - by ntechi

  I have asked a question which was related to this but not same, I have a centos VPS, which has two wordpress websites, one is mbas.co.in and another is onlinemba123.com, now for virtual hosting using just ONE IP ADDRESS, first I started mbas.co.in, which is working fine, when I added onlinemba123.com then, it is loading default Centos page instead of my website, and I am just testing my onlinemba123 website, I haven't configured DNS for it, I am testing it through editing my PC's hosts file, My website folder names are also same as in the conf file below Now my question is how can I load my website instead of Default page, is my virtual host config fine? My virtual host config: NameVirtualHost *:80 <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot /var/www/html/www.mbas.co.in ServerName mbas.co.in ErrorLog logs/mbas.co.in-error_log CustomLog logs/mbas.co.in-access_log common </VirtualHost> <VirtualHost *:80> ServerAdmin [email protected] DocumentRoot /var/www/html/www.onlinemba123.com ServerName www.onlinemba123.com ErrorLog logs/onlinemba123-error_log CustomLog logs/onlinemba123-access_log common </VirtualHost> My computers host file is: xx.xxx.xxx.xxx www.onlinemba123.com

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• Configure Postfix to send emails "via" a server [migrated]

  - by Zach Russell

  This is a question related to postfix and WordPress (but is more of a postfix question). To give some background, on a professional WordPress host (like WP Engine) when I receive WordPress Mail Notifications (comments, form submissions, new users, etc...) it will say in gmail sent from "predefined wordpress admin email" via email.wpengine.com. This is not blocked by Google's spam filters or anything. I have a cloud server set up and a WordPress site installed on it. When I send email from [email protected] it gets sent to spam and when I send email as [email protected] (me) it fails to send completely. This does, however send fine on WordPress. This goal of this it so send all emails via mail.wptemple.com and have them not get caught by spam filters. How can I accomplish this?

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