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  • NFS confusion - writing many small files

    - by Antonis Christofides
    I have a Debian squeeze amd64 which is at the same time a NFS4 server and client (it mounts itself through NFS4). The local directory that leads directly to disk is /nfs4exports/mydir, whereas /nfs4mounts/mydir is the same thing mounted through NFS, using the machine's external IP address. Here is the line from fstab: 176.9.116.102:/mydir /nfs4mounts/mydir nfs4 soft 0 0 I have an application that writes many small files. If I write directly to /nfs4exports/mydir, it writes thousands of files per second; but if I write to /nfs4mounts/mydir, it writes 4 files per second or so. I can greatly increase speed if I add async to /etc/exports. (Writing a single large file to the NFS directory goes at more than 100 MB/s.) I am confused by the description of async in NFS. If my application accesses the local directory, system calls like write and close return even if caches have not been flushed to permanent storage. Apparently this is not true with NFS sync behaviour. However, with NFS async behaviour, even calls like fsync are ignored. Isn't it possible to work like local files, i.e. generally work asynchronously, but honour fsync and O_SYNC?

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  • About to go live: virtual dedicated server or cloud?

    - by morpheous
    I am about to launch my startup company, and we will be going live in a few weeks time. We have really tight budgetary constraints, since we are bootstrapping - and would prefer not to raise external capital. I cant use shared hosting because I need more control of the server machine (for technical reasons - e.g. using proprietary extensions to PHP, Apache and in the database layer as well) - but want to control costs and dont want to go fully private server route, until we have determined the market size etc. So the only real alternatives AFAIK is between virtual server and the cloud. At the moment, cloud services seem a bit "vague" to me. My understanding is that they allow an entity to outsource its IT infrastructure, which in my mind (at least), is indistinguishable from what a hosting provider provides (at least from a functional point of view) - I would like to seek some clarification on exactly what the difference between the two is. Back to my original question, my requirements are: IT infrastructure that can scale with growth Ability to have control of the machine (for e.g. to install our internally developed libraries etc) Backup software that is flexible and comprehensive enough (yet simple to use), that allows a (secured) backup strategy to be implemented. On this issue, I have always wondered where the actual backed up data was stored (since the physical machines are remote, and one cant get access to any actual tapes etc backed onto). I would also like some advice and recommendations in this area. Regarding data size, I am expecting the dataset to be increasing by a few megabytes of data (originally, say 10Mb, in about a years time, possibly 50Mb) every day. As an aside, I have decided to deploy on a Debian server (most of my additional libraries etc were compiled and built on a Debian machine). Mindful of all of the above, I would like some advice (and reason) as to which route to take. I would also like some advice on which backup software to use, from people who have walked a similar path.

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  • Visual Studio 2010 won't compile/create new projects

    - by tuner
    My Visual Studio 2010 Professional with SP1 installed won't compile anymore. The shown error is: TRACKER : error TRK0005: Failed to locate: "CL.exe". The system cannot find the file specified. Strangely it is also not possible anymore to create new projects - the wizard appears but just restarts when I press create. As I found out the paths for Visual Studio are now built from settings in the registry. Namely HKEY_CURRENT_USER\Software\Microsoft\VisualStudio. Comparing a colleagues installation with mine revealed no different settings. So this is how the Property Pages/Configuration Properties/VC++ Directories look like: Executable Directories: $(ExecutablePath) Include Directories: $(IncludePath) Reference Directories: $(ReferencePath) Library Directories: $(LibraryPath) Source Directories: $(SourcePath) Exclude Directories: $(ExcludePath) From the Visual Studio 2010 Command Prompt, cl.exe is found. I can only guess that this behavior was caused by a reinstallation of Studio a couple of months ago (to a different folder). As we use an external build-script for our main project there is a good chance that it is broken since then. Any hints?

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  • E-mail duplication problem

    - by Gavin Osborn
    I have taken out a hosting agreement with a well respected hosting provider for a couple of internet facing servers. We have deployed several applications to these servers which send various e-mails back to us for reporting purposes. Context: Each server runs Windows Server 2003 R2 with the IIS 6.0 SMTP service installed. Each application is configured to use the local instance of IIS to send e-mails. The external IP address of each server is mapped to a particular domain eg: server1.mydomain.com server2.mydomain.com These e-mails are sent from a company domain name and not the domain name of the hosted servers (eg: [email protected]) Symptoms: A small number (<1%) of e-mails sent from these applications appear to be duplicated. These are exact duplicate in terms of both content and message headers. The Fix: I contacted my hosting provider and they told me this was a common problem & instructed me to: Change the HELO response of your mail server service to a FQDN (server1.mydomain.com && server2.mydomain.com) Create a DNS A record that resolves the FQDN of your mail server to the primary IP address of your sending mail server. Create a PTR record that resolves your primary IP address back to your mail server's FQDN In the sending domain's (mycompanydomain.com) DNS zone file, add the appropriate SPF record for your hosted servers. eg: v=spf1 a mx include:mydomain -all The Problem Continues: I made all of the changes as prescribed above, I was a little hesitant because these steps seemed to suggest they were more for stopping your messages getting blocked than they were for stopping them from being duplicated - but I am certainly no expert in these matters. It has been 5 days since I applied this fix and the problem still persists. I am certain that these problems are not a bug in the software because they are 4 different applications installed on 2 different servers, all of whom are exhibiting this strange behaviour. This behaviour has also not been seen in our UAT environment. Were my hosts correct to suggest this fix? If not, does anyone know what could be the cause of this problem? Many Thanks

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  • 2011 i7 Macbook Pro unable to boot from any Windows CD?

    - by Craig Otis
    I'm encountering issues installing Windows alongside my Lion install. I'm attempting to install from the internal SuperDrive, after using Boot Camp to partition what was a single, HFS+ volume. When holding down Option at boot, the CD appears in the startup list, but upon selecting it, I get a gray screen for 5 minutes, then a flashing white folder. I tried installing rEFIt and using this to boot the CD, but I receive an error about "Not Found" being returned from the "LocateDevicePath", and a mention of the firmware not supporting booting using legacy methods. In the Console, when opening the StartupDisk preference pane (which never presents the CD as a selectable option), I see: 11/25/11 4:39:31.159 PM System Preferences: isCDROM: 0 isDVDROM:1 11/25/11 4:39:31.159 PM System Preferences: mountable disk appeared: /Volumes/GRMCPRFRER_EN_DVD 11/25/11 4:39:33.214 PM System Preferences: - So far so good, passing disk to System Searcher. 11/25/11 4:39:33.218 PM System Preferences: OSXCheck: No boot.efi in System Folder or volume root. 11/25/11 4:39:33.220 PM System Preferences: WinCheck: Not a valid windows filesystem: /Volumes/GRMCPRFRER_EN_DVD 11/25/11 4:39:33.220 PM System Preferences: WinCheck: Not a valid windows filesystem: /Volumes/GRMCPRFRER_EN_DVD I'm at a loss here. I've done my research, but it sounds like most of the rEFIt errors of this nature are caused by installing from a thumbdrive, or an external drive. I'm using the internal SuperDrive. Also, I've tried this with two different disks: A Windows XP SP2 CD A Windows 7 x86 DVD Both are disks I've had around for years, and I've used them reliably in the past. The system is an early 2011 15" Macbook Pro, all firmware updates installed.

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  • Server 2003 and XP Client; Why are HTTP connections being silently dropped.

    - by Asa Yeamans
    On my network, my edge-router, a windows 2003 r2 server router with all the latest updates, will drop packets, but only under specific circumstances. I have troubleshot and isolated it down to the most simple configuration i can. There is NO NAT involved. Only fully-public IP addresses. No Firewalls are running either, all ahve been disabled. no packet filters on any interfaces anywhere either. I have a single Windows XP virtual machine and my edge-router(the windows 2003 r2 server, and also a virtual machine) running on a windows 2008 x64 r2 system (running virtual server 2005 as i dont have Intel-VT compatible chip yet). The edge router can access any external http site just fine, no issues. However the windows XP machine is only able to access certain sites. These work: www.google.com www.txstate.edu www.workintexas.com www.thedailywtf.com . These Dont: www.yahoo.com www.utexas.edu en.wikipedia.org slashdot.org www.bing.com. I have removed all possibility of DNS issues by connecting with net-cat from the XP box and sending GET /\r\nHost: \r\n\r\n and that connection replicates the issue as well. The network setup: My statically assigned IP block: x.x.x.168/29 DSL Modem -----PPPoE Connection---- x.x.x.169[EdgeRouter] [EdgeRouter]x.x.x.170 -----Virtual Ethernet----- x.x.x.174 [Test2] Test2's Default gateway is x.x.x.170 and test2 can ping any and every valid, accessible, public IP address with no packet loss what-so-ever. If i connect directly over PPPoE from test2 (the XP box) everything works just fine... Im at my wits end, i have NO IDEA whats causing this.

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  • Postfix "mail-to-script" pipe only delivers empty messages

    - by user68202
    i have a problem here. I want that a incoming email is piped to a php script in the system through postfix. My System is running with ispconfig 3, postfix and dovecot (< virtual mailbox users are saved in mysql). I looked already into this one: How to configure postfix to pipe all incoming email to a script? ... the script is executed, but no "message" is delivered to the script. My setup so far: In ISPConfig 3 i have set up the following email route: Active Server Domain Transport Sort by Yes example.com pipe.example.com piper: 5 excerpt from my postfix master.cf: piper unix - n n - - pipe user=piper:piper directory=/home/piper argv=php -q /home/piper/mail.php so far it is working great (mail sent to [email protected]) (mail.log): Jun 21 16:07:11 example postfix/pipe[10948]: 235CF7613E2: to=<[email protected]>, relay=piper, delay=0.04, delays=0.01/0.01/0/0.02, dsn=2.0.0, status=sent (delivered via piper service) ... and no errors in mail.err the mail.php is sucessfully executed (its chmod 777 and chown'ed to piper), but creates a empty .txt file (normally it should contain the email message): -rw------- 1 piper piper 0 Jun 21 16:07 mailtext_1340287631.txt the mail.php script ive used, is the one from http://www.email2php.com/HowItWorks if i use their (commercial) service to pipe an email to the mail.php (in a apache2 environment) through a provided "pipe-email", the message is saved sucessfully and complete. But as you can see, i dont want to use external services. -rw-r--r-- 1 web2 client0 1959 Jun 21 16:19 mailtext_1340288377.txt So, whats wrong here? I think it has something to do with the "delivering configuration" in my system...

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  • Windows XP / Outlook 2003 error messages

    - by AboutDev
    Can anyone help with this issue? I am trying to help someone and could use some expertise. Error Message #1: Microsoft Office Small Business Edition 2003 With CD icon "The feature you are trying to use is on a CD-ROM or other removable disk that is not available. Insert the 'Microsoft Office Small Business Edition 2003' disk and click OK. Use source: Microsoft Office Small Business Edition 2003" 1st got this message after CD was inserted to recover partial file STDP11N. Recovered STDP11N, however, still receiving pop up window with error message each time outlook opens. Had accidentally cleaned up old programs and suddenly this was missing. Reinstalled Microsoft Office Small Business Edition 2003 using install CD. Outlook worked buit keep getting error message pop up each time I open Outlook. Hit ok. Error Message #2: The path 'Microsoft Office Small Business Edition 2003' cannot be found. Verify that you have access to this location and try again, or try to find the installation package 'STDP11N.MSI' in a folder from which you can install the product Microsoft Office Small Business Edition 2003." Hit ok. Back to error message #1 Hit close window Error message #3: Error 1706. Setup cannot find the required files. Check your connection to the network, or CD-ROM drive. For other potential solutions to this problem, see C:\Program Files\Microsoft Office\ OFFICE11\1033\SETUP.CHM Error message #4 I'd created a file under D: drive on an external drive. "The path specified for the file D:...etc.. .pst is not valid. Hit ok. Brings up window to look in My Documents.

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  • Using URL rewrite module for http to https redirect

    - by johnnyb10
    Following ruslany's suggestion on the URL Rewrite Tips page here, I'm trying to use URL Rewrite to redirect http:// requests for my site to https://. I've written and tested the rule using a test site I set up, and so now the final piece is to create a second site (http) to redirect to my https site. (I need to use a second site because I don't want to uncheck the "Require SSL encryption" checkbox on my existing site.) I'm an IIS newbie so my question is: how do I do this? Should I create a site with the same name and host header, only it will be bound to http? Will IIS let me create a site with the same name? I don't want to screw anything up with my existing site (which is a SharePoint site, currently used by external users). That site currently has http and https bound to it. So my assumption is that, using ISS (not SharePoint), I will create a new site (http only) with the same name and host header as my existing site, and add the URL Rewrite rule to the http site. And then I guess I should remove the http binding from my existing site? Does that seem correct? Any advice, gotchas, etc., would be appreciated. Thanks.

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  • Cisco 3560+ipservices -- IGMP snooping issue with TTL=1

    - by Jander
    I've got a C3560 with Enhanced (IPSERVICES) image, routing multicast between its VLANs with no external multicast router. It's serving a test environment where developers may generate multicast traffic on arbitrary addresses. Everything is working fine except when someone sends out multicast traffic with TTL=1, in which case the multicast packet suppression fails and the traffic is broadcast to all members of the VLAN. It looks to me like because the TTL is 1, the multicast routing subsystem doesn't see the packets, so it doesn't create a mroute table entry. If I send out packets with TTL=2 briefly, then switch to TTL=1 packets, they are filtered correctly until the mroute entry expires. My question: is there some trick to getting the switch to filter the TTL=1 packets, or am I out of luck? Below are the relevant parts of the config, with a representative VLAN interface. I can provide more info as needed. #show run ... ip routing ip multicast-routing distributed no ip igmp snooping report-suppression ! interface Vlan44 ip address 172.23.44.1 255.255.255.0 no ip proxy-arp ip pim passive ... #show ip igmp snooping vlan 44 Global IGMP Snooping configuration: ------------------------------------------- IGMP snooping : Enabled IGMPv3 snooping (minimal) : Enabled Report suppression : Disabled TCN solicit query : Disabled TCN flood query count : 2 Robustness variable : 2 Last member query count : 2 Last member query interval : 1000 Vlan 44: -------- IGMP snooping : Enabled IGMPv2 immediate leave : Disabled Multicast router learning mode : pim-dvmrp CGMP interoperability mode : IGMP_ONLY Robustness variable : 2 Last member query count : 2 Last member query interval : 1000

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  • Linux - preventing an application from failing due to lack of disk space [migrated]

    - by Jernej
    Due to an unpredicted scenario I am currently in need of finding a solution to the fact that an application (which I do not wish to kill) is slowly hogging the entire disk space. To give more context I have an application in Python that uses multiprocessing.Pool to start 5 threads. Each thread writes some data to its own file. The program is running on Linux and I do not have root access to the machine. The program is CPU intensive and has been running for months. It still has a few days to write all the data. 40% of the data in the files is redundant and can be removed after a quick test. The system on which the program is running only has 30GB of remaining disk space and at the current rate of work it will surely be hogged before the program finishes. Given the above points I see the following solutions with respective problems Given that the process number i is writing to file_i, is it safe to move file_i to an external location? Will the OS simply create a new instance of file_i and write to it? I assume moving the file would remove it and the process would end up writing to a "dead" file? Is there a "command line" way to stop 4 of the 5 spawned workers and wait until one of them finishes and then resume their work? (I am sure one single worker thread would avoid hogging the disk) Suppose I use CTRL+Z to freeze the main process. Will this stop all the other processes spawned by multiprocessing.Pool? If yes, can I then safely edit the files as to remove the redundant lines? Given the three options that I see, would any of them work in this context? If not, is there a better way to handle this problem? I would really like to avoid the scenario in which the program crashes just few days before its finish.

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  • How to find out what is causing a slow down of the application on this server?

    - by Jan P.
    This is not the typical serverfault question, but I'm out of ideas and don't know where else to go. If there are better places to ask this, just point me there in the comments. Thanks. Situation We have this web application that uses Zend Framework, so runs in PHP on an Apache web server. We use MySQL for data storage and memcached for object caching. The application has a very unique usage and load pattern. It is a mobile web application where every full hour a cronjob looks through the database for users that have some information waiting or action to do and sends this information to a (external) notification server, that pushes these notifications to them. After the users get these notifications, the go to the app and use it, mostly for a very short time. An hour later, same thing happens. Problem In the last few weeks usage of the application really started to grow. In the last few days we encountered very high load and doubling of application response times during and after the sending of these notifications (so basically every hour). The server doesn't crash or stop responding to requests, it just gets slower and slower and often takes 20 minutes to recover - until the same thing starts again at the full hour. We have extensive monitoring in place (New Relic, collectd) but I can't figure out what's wrong; I can't find the bottlekneck. That's where you come in: Can you help me figure out what's wrong and maybe how to fix it? Additional information The server is a 16 core Intel Xeon (8 cores with hyperthreading, I think) and 12GB RAM running Ubuntu 10.04 (Linux 3.2.4-20120307 x86_64). Apache is 2.2.x and PHP is Version 5.3.2-1ubuntu4.11. If any configuration information would help analyze the problem, just comment and I will add it. Graphs info phpinfo() apc status memcache status collectd Processes CPU Apache Load MySQL Vmem Disk New Relic Application performance Server overview Processes Network Disks (Sorry the graphs are gifs and not the same time period, but I think the most important info is in there)

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  • Is it possible for a faulty processor to cause audio static/noise?

    - by Tom
    I have a Core 2 Extreme processor I received from a friend and have set up an XBMC box using it. However, I constantly get audio static whenever playing any music or videos. Here is a video of the sound: http://www.youtube.com/watch?v=SqKQkxYRVA4 I have tried replacing everything short of the case and the processor, including cables, audio interfaces, operating systems, ram, etc, leading me to think it might be either the case shorting out the motherboards I have tried or a faulty processor. Is it possible for a faulty processor to cause audio static/noise? Any feedback would be appreciated. Edit - Here's a list of things I have tried: Reinstalling OS Installing/upgrading/repairing PulseAudio/Alsa Installing alternate OSes, straight Ubuntu, Lubuntu, Xubuntu, Arch, Mint, Windows 7 Switching audio from the external card to internal Optical, audio out through HDMI, audio out through headphones Different ports on receiver (my main desktop sounds fine on the same sound system) Different optical cables Unplugging everything unnecessary from the motherboard (1 HD, 1 Stick of Ram, 1 Keyboard) Swapping out ram Swapping out the motherboard Replacing the Graphics Card (was replaced due to fan being noisy, not specifically for this problem) Different harddrives Swapping power supply Disabling onboard audio Switching Power Cable Plugging in through surge protector Plugging into different outlet on separate circuit

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  • MacOS creates a new mount on AFP path calls

    - by jAndy
    Hi Folks, following scenario: In my webapp, my customers are using Firefox as target browser. They have the need to open afp:// folders via Javascript. To make a long story short, this really works. You need to setup Firefox with about:config and set the value network.protocol-handler.external.afp to true. What happens then, the operating system (OSX) takes care of that path and it correctly opens a Finder window. The problem: OSX does create a new mount every time. It cannot distinct between afp://host/path/111 and afp://host/path/222 for instance. Furthermore, even if the afp path is 100% identical a new mount is created. It looks like this is the default behavior from OSX regardless of Firefox. So, is there any chance I can tell OSX not to create a new mount for some sub directorys which should get access over afp:// ? update: It looks like, there are OSX applications which can change the default behavior for network protocols. So you can change "somewhere" which application OSX should call for a protocol. If that is true, wouldn't it be possible to create a script which just opens the local path without a afp:// prefix ? The question here is, where is that configuration (?) to tell OSX which application to use for specific protocol. Any help welcome!

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  • Windows Server 2012 Hyper-V very slow

    - by Matt Taylor
    I have been running several Hyper-V VMs on Windows Server 2008 R2 for the past couple of years and enjoying perfectly adequate performance for my testing/development/r&d environments. I'm a software developer so my hardware knowledge is basic however I built the rig using: •Gigabyte GA-X58A-UD3R Intel X58 (Socket 1366) DDR3 Motherboard •Intel Core i7 960 3.20GHz (Bloomfield) (Socket LGA1366) •24GB triple channel RAM The host OS is running on an OCZ SSD and all the VMs are running on a 2TB Marvell SATA3 RAID 0 array consisting of 2 Western Digital Caviar Black 7,200rpm drives. I have tested the speed of the 2TB drive and appear to be getting less than 3Mbs but it can adequately run a 4 VM farm including a DC, (SQL) database and IIS application servers. I recently upgraded the SSD on which the host runs to a 256GB OCZ Vertex 4 and took the opportunity to upgrade to Windows Server 2012 and installed the Hyper-V role. I tried importing one of my existing Windows Server 2008 R2 VMs (and converted it to .vhdx) plus I have tried creating a brand new Windows Server 2008 R2 VM but both are running extremely slowly and I can see nothing obvious using the host and guest Task Manager/Resource Monitor tools. In both cases the VM has 8GB RAM (fixed), 4 CPUs, fixed size HD (not expanding) and is using an external virtual network running on a separate NIC to the host. I have upgraded the BIOS to the latest available version and checked the virtualization settings. I have run out of "obvious" (to a developer) things to check/configure and my next option will be to re-install the host OS but before I do I would very much appreciate any advice from any experts out there. Thanks

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  • Windows 7, going crazy with environment variables

    - by roymustang86
    So, I am trying to learn java. I installed the JDK and proceeded to write a few programs. Each time, I have to give the path to javac.exe to compile the .java file. SO, I decided to tweak the %PATH% variable. And no matter what I change it to, it doesn't work. when I do an echo %PATH%, I get 'Program' is not recognized as an internal or external command, operable program or batch file. This is my Path variable contents : C:\app\product\11.1.0\client_1\bin;%CommonProgramFiles%\Microsoft Shared\Windows Live;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;"C:\Program Files (x86)\Common Files\Roxio Shared\DLLShared\";"C:\Program Files\Broadcom\Broadcom 802.11";"C:\Program Files (x86)\Common Files\Roxio Shared\OEM\DLLShared\";"C:\Program Files (x86)\Common Files\Roxio Shared\OEM\DLLShared\";"C:\Program Files (x86)\Common Files\Roxio Shared\OEM\12.0\DLLShared\";"C:\Program Files (x86)\Roxio\OEM\AudioCore\";"C:\Program Files (x86)\Intel\Services\IPT\" How do I work around this? the double quotes were not there before, I added it thinking the space was the problem.

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  • COMPAQ Tower No Signal to monitor

    - by Lancelot
    I received a Compaq tower: Compaq Presario SR1224NX Onboard VGA Windows XP SP2 from a friend. My plan was to turn this into an Ubuntu Server. It booted up with no problems even with the Ubuntu live disc. After a normal shutdown (not unplugging the power cord and not doing a hard shutdown with the power button), it would not restart even after SEVERAL attempts. I realized the light next to the power supply would flash very rapidly. I researched and found out it was one of two things: a dead power supply or the cables to the motherboard and to the disks might be faulty, etc. Thus, I checked to ensure the cables were fine(and they were). I purchased a Power Supply (this one has 400 watts, the initial had 250) and installed it. The tower was able to boot into the live disk and everything. After a normal shutdown, it now restarts but is not sending signal to my monitor. I have tried several monitors in which I know work perfectly but not with this tower (I recall that it did show display after replacing the power supply). The monitors are ACER. This is different than most "no Signal" problems since I am not using an external Video Card, this is onboard VGA.

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  • postfix not sending domain mail to mx

    - by orlandoresorts
    I'm trying to get postfix to forward email to my domain which is hosted by gmail. As I don't have any users on my server nor do I want to. Here's how I have things set up.. LEt's say you and I have a domain called mcdonalds.com the registrar has mcdonalds.com MX records pointing to gmail. (everything works for like a year) Now we set up a server to host a website. Then we create a mail account called [email protected] and send mail locally from the server using roundcube. This works. We can send mail to cnn.com we can send mail to serverfault.com we can email any/everyone. BUT we cannot send mail to our own domain mcdonalds.com So I cannot email [email protected] I cannot email [email protected] I cannot email [email protected] It gives the error: SMTP Error (450): Failed to add recipient "[email protected]" (4.1.1 : Recipient address rejected: User unknown in virtual mailbox table). I'm guessing because it is looking at the local server to find the mailbox and it doesn't exist. So how to I tell the server for any mail going to mcdonalds.com for [email protected] to send to my external mail server and NOT to lookup on the local www box we set up with zpanel. Any ideas?

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  • AviSynth ChangeFPS: combining videos with different framerates

    - by Daniel Saner
    I have two video recordings of the same scene, but with different framerates, that I would like to combine using an AviSynth script. One video is recorded at 30fps, the other at 120fps. What I would like to do is to keep them temporally synchronised, meaning that for each frame of the 30fps video, the output should display 4 frames from the 120fps video. I would like the final output video to play at 30fps so that the duration is 4 times the original recordings. From AviSynth's documentation, it seems ChangeFPS is the function I'll need, since it removes and duplicates frames, while 'AssumeFPS' just changes the playback speed (and my plan is basically to quadruple every frame of the 30fps clip). However, the filter does not seem to do what it says. If I try: clip30 = AviSource("0326.avi").ChangeFPS(120) clip120 = AviSource("0326-120fps.avi") it doesn't affect the playback speed or frame count of the 30fps clip at all, but removes every fourth frame from the 120fps clip, which is not at all what I want. Unfortunately, appending .ChangeFPS(7.5) to the clip120 instead does not have the same inverse effect—in that case, it does exactly what's to be expected. Alternatively, if I try: clip30 = AviSource("0326.avi").AssumeFPS(7.5) clip120 = AviSource("0326-120fps.avi") there is no effect at all, both clips are played back at 30fps, meaning that only a quarter of the 120fps clip has been shown by the time the 30fps clip is over. So how can I combine these two clips in the manner I want? I was unable to find any other internal or external filters that would help me do that. It seems to me that if ChangeFPS did what the manual says, it would be the right one for the job.

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  • LYNC 2010 Dial-In in Meeting DTMF issue

    - by user140116
    We are facing an issue in the LYNC2010 dial-in to a meeting. We redirect an Asterisk number to LYNC, whitch connects successfully in the dial-in plan of LYNC. After calling from external network to the given number, we hear LYNC aswering and prompting us to enter the PIN and afterwards the hash key. I should mention that all other dials to LYNC from Asterisk and vise versa are routed successfully. Also all DTMF we send to Asterisk from the phone (IVR, Extension, PIN etc) are routed also fine Afterwards we press the appropriate pin folowed by the hash keyand we get 'Sorry I can't find meeting with that number' Some pros mentioned that it might be dtmfmode=RFC2833 or dtmfmode=auto in Asterisk (All checked and tried). Some pros mentioned, that there is a problem in geeral in LYNC and DTMF (even with Cisco Call Manager). Some other pros mentioned that chack box 'Enable refer support' in Voice Routinh\Trunk Configuration' in LYNC has to be unchecked (Also tested). The problem stil remains and there is no way to enter a meeting room by dial-in. ANY idea would be appreciated!!!!!!!!

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  • Routing table on Linux not respected

    - by MRHaarmann
    I have a very specific problem, building a Linux VPN endpoint (with external VPN Gateway), which should route certain networks over the tunnel, others via default gateway. The Linux VPN should do a NAT on the outgoing connections for the VPN peers. Setup is as following: Internet gateway LAN 192.168.25.1/24 VPN Gateway LAN 10.45.99.2/24 (VPN tunnel 10.45.99.1 to net 87.115.17.40/29, separate connection to Internet) Linux VPN Router eth0 192.168.25.71/24 eth0:503 10.45.99.1/24 Default 192.168.25.1 route to 87.115.17.40/29 via 10.45.99.2 (send_redirects disabled, ip_forward enabled) Linux clients (multiple): eth0 192.168.25.x/24 Default 192.168.25.1 route to 87.115.17.40/29 via 192.168.25.71 Ping to the machines via tunnel from the VPN Router is working. Now I want to establish a routing from my clients over the VPN gateway and the client packet gets routed to 192.168.25.1 ! traceroute output shows the packets get routed to 192.168.25.71, but then to 192.168.25.1. So the route is not respected in forward ! IPTables and Routing: ip route show 87.115.17.40/29 via 10.45.99.2 dev eth0 10.45.99.0/24 dev eth0 proto kernel scope link src 10.45.99.1 192.168.25.0/24 dev eth0 proto kernel scope link src 192.168.25.71 default via 192.168.25.1 dev eth0 iptables -A INPUT -i eth0:503 -j REJECT iptables -t nat -A POSTROUTING -o eth0:503 -j MASQUERADE iptables -A FORWARD -i eth0:503 -m state --state RELATED,ESTABLISHED -j ACCEPT iptables -A FORWARD -s 192.168.25.0/24 -o eth0:503 -j ACCEPT So what is wrong with my setup ? The route is chosen correctly from localhost, but all the clients get forwarded to the Internet GW. thanks for helping, Marcus

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  • Two servers, two domains, one ip. mod_proxy beginner

    - by Gutsav
    I run two virtual web servers (both running apache2 on debian). I have just one external IP, but two domains, and I want a domain going to each of the servers. I've understood that I need a Reverse Proxy, and I enabled both the mod_proxy and the mod_proxy_http modules on the "primary server". Do I need to enable anything on the "secondary server"? I also understood that I need to write some things in a virtual host file, but what? On the primary server, I have a virtual host file for one of the domains, and some for subdomains. I want domain1.tld to go to the primary server (port 80 is forwarded to it, so that works) and domain2.tld to go to the other server (internal ip 192.168.0.x). No ports needs to be forwarded to it, right? So, what to add and in which virtual host file? Or a new one? Other questions suggest adding ProxyPass and ProxyPassReverse, but I'm lost anyway, and I just don't understand the apache documentation. Thanks in advance

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  • diskmgmt.msc: Cannot delete volume from USB

    - by Notinlist
    I have an USB drive with about 8GB of size. It has a single partition of size 169MB. Don't know why, I got it that way. I wanted to delete this small (FAT32) partition and create a single NTFS volume on it. First, I noticed that the "Delete volumme" option is disabled (grayed out). I then tried "Change drive letter and paths..." and removed "F:", that way I made sure that there are no open files on it. The "Delete volume" was still disabled. Then I got suspicious, and right clicked on the "Unallocated" area and I noticed that I did not have any useful option. All "New * volume" items are disabled. I exited from diskmgmt.msc, ran a cmd.exe with administrator privileges, ran the diskmgmt.msc from it, same experiences. Why can't i do anything with this disk? I've read some advices about downloading some alternative free software, but I rather not do it if possible. I still hope that Windows 7 Enterprise 64bit alone can reinitialize an USB drive without external help. I also cannot do anything with my other 8GB pendrive. It's all an NTFS volume, I tried to delete it, but the option is disabled here too. Maybe I have some settings somewhere that prevents my from partitioning USB disks. (I have the freedom to remove my D: partition which is the second - not counding the "System reserved" - on my SSD disk.)

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  • Remote paging with Nagios when network is down and email won't work -- cellular modems and alternatives

    - by Quinten
    What is the best option for remote paging when network services are down? I'm looking for a solution that can let me know when network services are down during off-hours only, and especially when email/smtp services are out. Therefore, it needs to be redundant to our network and power supply. I'm imagining a cellular modem is one option. What's the price range for these? Is anybody using them and feel that they are worth the cost? I'm imagining that it's something we would end up sending an emergency page ~ 1x/month at most, so I'd like the pricing to reflect that--I don't mind a high per-page cost as long as it has a low recurring cost. Another option would be to expose at least one server to remote ping, and run a check script on a remote server. Are there paid options for this? Currently, we run Nagios on a Linux VM on a Windows 2008 Hyper-V host. It would be great if the solution would work in that environment, but I know it's tricky with external devices, and we could move Nagios to a standalone workstation if needed.

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  • Contacts in Outlook 2003/2007, some questions

    - by Ernst
    If I create a distribution list and then select members, can I see different fields than the default ones? In 2007 there are radio buttons for 'name only' and 'more columns', but the latter does seem to only result in no results at all, regardless of which address book I choose. In 2003 there is no such thing. Is there a plug in that will break up the recipients (whether they be to, cc, or bcc) in groups of X, and send then a number of mails as required? Our host allows only 50 recipients per mail and only 300 total recipients per 5 minutes. I know the email client blat has exactly this functionality, but it does not seem to be able to connect to the exchange server to get the contacts needed. Could I maybe set outlook to send to blat which then does the breaking up as necessary? Can I (or is there a plug in for this) export only part of the contacts instead of all of them? Note that we send mail outside our organisation via our web host where we've got a few mailboxes, and we use our exchange (2000) server only internally, the few people that can send email to the outside world have an external mailbox as well as their exchange account defined. I might be able to convince our general boss that we can simply give (some) people the ability to send outside via exchange, but I might just as well not succeed. Alternatively, is there another program that can connect to exchange to get the contacts (selected based on categories) and then send via smtp in groups with delays between the mails?

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