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  • Mail Server using Postfix

    - by unknown (google)
    I have currently set up my web application on Amazon EC2 server. As a well known fact sending email from EC2 has a problem. As a cheap and long lasting solution instead of using "authsmtp" is it possible to rent a server and use it as a Mail Server? I am currently looking for cheap hosting which will give me root access so that it can be configured and used as a relayhost. I am curently using Postfix as MTA. Has any one implemented this before? I am curious about its feasibility of this solution. I guess common requirements are: Dedicated IP which is not black listed Open relay( open to my Server only) Any Tips for Header configurations to keep the mails out of spam folder. This is like exactly cloning authsmtp for personal use. Any suggestions for other Mail Server software instead of Postfix?

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  • Windows Server 2008 R2 DNS Server Intermittently Unresponsive

    - by Ablue
    Throughout the day out DNS servers (2x Win 2k8 R2 servers) are unable to respond to requests. The requests that fail are all on the .root zone that are either cached or obtained from 1 of 5 DNS servers we forward to before going to root hints. At first I thought the DNS servers we were forwarding to were flaky. So I added some more in. Currently the forwarding list looks like ISP DNS 1 OPEN DNS 1 ISP DNS 2 OPEN DNS 2 ISP DNS 3 I have tried: Turning off root hints. Set record scavenging to 7 days. Using dnscmd /config /EnableEDNSProbes 0 as per this. Packet capture at the DNS server shows that there is a lot of query responses with server failure between lan clients and the local dns server; it does not appear to be forwarding those requests. So maybe a problem with caching? Anyhow, does anything have anything I can try to get this working?

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  • secure email crashes outlook 2007

    - by Josh
    I have a number of secure emails sent to my outlook 2007 client. most arrive fine and display the prompt with regards to granting access to the certificate and then open. today i received two that when i try and open them they crash outlook. i have tried restarting outlook and my computer. please can you give me some ideas of what it could be or how i can troubleshoot this issue. i am working on Vista Utlimate x64. thanks. Josh

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  • Outlook attachment save prompt behavior

    - by kara-marfia
    It seems they've put some Clippy-like behavior into Outlook 07. Assume you open an email message and open its attachment, given that you make no changes to the message or the attachment. If you close the attachment, then close the email - works as expected Close email - prompted to save changes to attachment I have some clerical users, and they tend to believe what the computer tells them. In this case, I'm having a hard time determining the reason someone determined that Outlook should lie in this case, and prompt someone to save a file that hasn't changed. Regardless, I've only been able to find examples of people failing to find a fix for this. Anyone have ideas? edit: I should have clarified, I suppose I'm looking for a workarounnd, as it's consistently reproduceable for any machine, and I suspect is therefore "working as intended"

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  • Multicast image restoration with adaptive speed

    - by Clinton Blackmore
    I'm curious to know if there are any tools for restoring disk images (or even transferring files) via multicast -- for any platform, especially if the project has source available -- where the multicast rate adjusts itself on the fly. On the Mac, all multicast solutions I am aware of (such as Deploy Studio, and NetRestore before it) make use of multicast ASR (apple software restore), which has one glaring deficiency -- you have to set the multicast speed before you start sending a disk image over the network, and that speed is locked in. Either your clients can keep up and restore, or they can't*. It seems to me that it must be possible for the multicast server to adjust the data rate, so you basically say "start sending this image", clients connect, and, if they can't keep up, they tell the server so it slows down. (Likewise, I'd expect the server to try speeding up if no client is having difficulties keeping up, and I'd expect to be able to cap that maximum throughput so that other network activities can go on without being resource starved.) So, what sort of tools are out there? For Linux? Windows? Is there something for the Mac I've overlooked. [It just kills me that it is true that, by the time you get multicast up and going at a good speed to restore a lab, you could've unicasted the data to all the computers and be done.] * There is a little leeway involved. I think individual clients can say, "I missed a little bit of data" and get it, and they can opt to listen in the next time the image is sent over the network, but on the whole, if they missed it the first go round, you have to image the machine again, and there is no time savings.

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  • how to split a pcap file into a set of smaller ones

    - by facha
    Hi, everyone I have a huge pcap file (generated by tcpdump). When I try to open it in wireshark, the program just gets unresponsive. Is there a way to split a file in set of smaller ones to open them one by one? The traffic captured in a file is generated by two programs on two servers, so I can't split the file using tcpdump 'host' or 'port' filters. I've also tried linux 'split' command :-) but with no luck. Wireshark wouldn't recognize the format.

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  • How to set printer permissions using PowerShell / some other script?

    - by Borek
    I need to update printer's permissions in a script, i.e. do the same as I would manually do this way: Open Devices and Printers applet Double-click the default printer (open its queue) Go to Printer - Properties In the properties dialog, go to Security tab Change permissions for Everyone (e.g., check Manage documents permissions) How to do that? For example, in PowerShell, I can do Get-WmiObject -class win32_printer -filter Default=True to get the default printer and there are then methods getSecurityDescriptor() and setSecurityDescriptor() but for instance this command: (Get-WmiObject -class win32_printer -filter Default=True).getsecuritydescriptor().Descriptor return null so I'm not sure if I'm doing it the right way. Does anyone have a working example to set printer permissions? Am I on the right path or should I use something other than WMI entirely? Thanks.

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  • how to split a pcap file into a set of smaller ones

    - by facha
    I have a huge pcap file (generated by tcpdump). When I try to open it in wireshark, the program just gets unresponsive. Is there a way to split a file in set of smaller ones to open them one by one? The traffic captured in a file is generated by two programs on two servers, so I can't split the file using tcpdump 'host' or 'port' filters. I've also tried linux 'split' command :-) but with no luck. Wireshark wouldn't recognize the format.

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  • Why does TeamViewer launch a web server?

    - by OverTheRainbow
    Hello I just read this article which I find concerning: "After 90 minutes of troubleshooting, Nash traced the problem to TeamViewer, which he used to remotely administer the client's servers. It turns out the program had opened up its own webserver on the client's machine as soon as Apache went down and in the process made it impossible for the client, a large provider of business software, to restart its proper website." http://www.theregister.co.uk/2009/07/24/teamviewer_snafu/ I started using TeamViewer recently because it's just much better than UltraVNC (runs on both XP and Vista, the server dials out instead of requiring the user to open a port on their router + better performance than UVNC)... but I thought that TeamViewer had both the server and client connect out to TV's web server for data to flow between the two hosts. Why does TV even need to open a web server on the server host? Thank you.

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  • Pinning Google Chrome's "Application Shortcuts" to the Windows 7 Taskbar

    - by Humphrey
    I love the idea behind Google Chromes Application Shortcuts, but they don't integrate well for me into the Windows 7 taskbar. Ideally, I'd like to be able to have my most used webpages (gmail, calendar, etc) as separate windows, pinned to the Windows 7 taskbar. I've created some application shortcuts on my desktop, but I've come across the following problems. If I open my gmail application shortcut, and then later on open a normal chrome window the new window will also use the gmail icon in the taskbar, even if that window has nothing to do with gmail. (What's weirder, is that this new window then uses a high-res gmail icon, but my actually application shortcut window uses a low-res icon. If I pin the application shortcut to the taskbar, then the icon turns into the regular chrome icon. Any idea's how to fix these issues? Or are they bugs in google chrome? Chrome version: 4.0.249.89

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  • Firefox's master password does not protect my web accounts

    - by Mehper C. Palavuzlar
    I've set up a master password in Firefox 3.6 but it's not working as I expected. I always save my passwords within Firefox for frequently visited sites like Facebook, Yahoo! mail, Gmail, Twitter etc. and this way I don't have to type in my password every time I open that site. When I open Firefox, it asks for the master password but when I click Cancel, it opens normally, and lets me directly in my Facebook page, or Yahoo! Mail page. Why doesn't it protect my accounts? This way, anyone using my computer can see my accounts and it's totally pointless for me to use this master password. How can I protect my accounts with saved passwords in Firefox?

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  • Where does Windows 8 put the exe of the default browser for Modern UI?

    - by avirk
    I was trying to some hack with Win-8 and I found something which is really gonna out my mind. When I set the default browser to the IE then its icon become Modern UI and I can't see the option Open file location at the bottom when I select it by right click. But if I don't set it default then it became a desktop version icon and show up the option when I select it. Same is for the Google Chrome when I checked it. IE icon when it is not set to default, I can see the option open file location. Google Chrome icon when it is set to default. Google Chrome of desktop version when it is set to default. So my question is where does Modern UI keep exe of the default browser? And why the default browser has Modern UI icon and non-default browser has desktop version icon.

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  • Hosted version of Yahoo! answers [closed]

    - by Neil
    Hi all. Does anyone know of a hosted version of Yahoo! Answers (or Stackoverflow/Superuser) that I could integrate with my site? I know that there are some open-source implementations (see http://meta.stackoverflow.com/questions/2267/stack-overflow-clones?page=1&tab=votes#tab-top) but I'd rather have some hosted if possible. I know there is http://stackexchange.com/ as well, but I really want some tight integration with the rest of my site. Failing that, has anyone got any experience with the open source versions? Some of them look a little, erm, unfinished... Thanks. Neil.

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  • Why are certain default application associations "locked"?

    - by H.B.
    Edit: As i now have three answers that do not answer the question: This question is not about getting the association to work again. I do not like fighting symptoms, i prefer cures. After associating my MP3 files with MPlayer using the Open with/Choose default program... dialogue i can no longer change that association using said dialogue, the Always use this [...] Checkbox is henceforth always greyed out (Control Panel > Default Programs > Associate a file type or protocol with a program does not let me change it either, it seems to just use the same dialogue anyway). That also happened for MP4s but not for MKVs for example, and if i associate my MP3s with other applications like VLC it does not get blocked. I would really like to know why that is and if i can avoid this beforehand (thankfully i know ways to fix it afterwards already). Edit: Another obervation: The blocking programs (i managed to block it with an association to Visual Studio as well) do not appear in the Recommended Programs of the open-with-dialogue (And the explorer said: "The current program is not recommended, but i won't let you change it, ha!"). Edit: A screenshot as requested: As you can see on the top left (if you know the icon of MPlayer), the file is currently associated with MPlayer. Edit: Ways to fix it (Note: This question is not about fixing it) Using the Default Programs Control Panel > Default Programs > Set Default Programs, select WMP, Choose defaults for this program, check .mp3 This should reassociate the files with WMP and you can create a new association in the explorer. Using the registry (As always, keep your hands off it unless you know what you are doing or if you are fine with accidentally breaking your system) HKEY_CURRENT_USER > Software > Microsoft > Windows > CurrentVersion > Explorer > FileExts > .mp3 Here you could for example clean up the open-with-list, and the current default program seems to be saved here as well in the key UserChoice, there you can change the ProgId string to another application, you can associate it with WMP by entering WMP11.AssocFile.MP3 or just pick another application right away. You may need to mess with permissions on the key though, if you cannot change the ProgId value.

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  • How can I register a custom protocol with xdg ?

    - by julien
    I've been struggling this morning trying to associate an application with a custom protocol, namely emacsclient and org-protocol. I'm calling this protocol from a webbrowser bookmarklet, and I get the following behaviour : In chromium, the "Launch Application" dialog comes up, and calls xdg-open org-protocol://... which ends up firing a new chromium frame. In firefox, I've tried setting network.protocol-handler.app.org-protocol to an empty string or my emacsclient path, anyhow I get the following error message : "Firefox doesn't know how to open this address, because the protocol (org-protocol) isn't associated with any program" without even showing any external application selection dialog. I'm not using any desktop environment, so I need to make this work strictly with xdg, however, despite reading the shared mime info spec etc, I still can't fathom a working configuration.

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  • SOHO NETGEAR wireless router disconnects when downloading torrents

    - by Lirik
    I have a NETGEAR WGT624 wireless router at home which dies when there is a heavy torrent load. I open up my torrent client and it downloads for about 5 to 10 minutes and it continues to increase the number of seeds (goes up to 70-80 seeds), but after that the router simply fails and I have to restart it in order to get an internet connection again. When I connect directly via an ethernet cable the router and open up the torrent client, then it seems to be doing fine, but when I go wireless then the router stops working properly (although all the lights are still blinking as normal). Is there any way that I can fix this? New router firmware? Change some router options? Feed it a cookie? Anything?

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  • X11 Forwarding works on Windows with Xming and Putty, but not with ssh command line

    - by seaders
    I have a micro Amazon instance the I want to use for testing and everything is going fine until the title. If I set up all the info in PuTTy, open it up and run 'xclock', all runs perfectly and it opens on Xming on my local desktop. If, however, I run ssh xxxxxxx.amazonaws.com xclock I get Error: Can't open display: If I run either of ssh xxxxxxx.amazonaws.com -X DISPLAY=localhost:0:0 xclock ssh xxxxxxx.amazonaws.com -Y DISPLAY=localhost:0:0 xclock I get the same again, but just after about a 30 second delay. In .ssh/config in Windows, I do have ForwardX11 yes set, and I really can't think of anything more to get this working. The fact that PuTTy is working perfectly, not no matter what I do on the command line, I get absolutely no joy is driving me crazy. Can I even see the commands PuTTy is running somewhere, to see if it's doing some extra magic? The ssh I'm running in Windows is MinGW32's.

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  • Is there a way to prevent output from backgrounded tasks from covering the command line in a shell?

    - by Chris Pick
    I would like to be able to run task(s) in the background of a shell and not have their output to stdout or stderr cover the command line at the bottom. Frequently I need to run other commands to interact with the background processes and would like to do so from the same shell without having to open up another terminal or using multiplexer to split the terminal like screen. Ideally there would be some setting that I just don't know about (I commonly use bash or ksh), but a new or different shell or a script would be fine by me. I'm open to any suggestions and appreciate any help, thanks.

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  • My Mac is slow but don't know what's slowing it down

    - by duality_
    My Mac (Macbook Pro) is sometimes slow doing basic tasks, like browsing the web or something like that. If I open Activity Monitor, I have (maybe) one program that is about 10 % CPU, others are below 1 %. My CPU usage is not full. I still have more than 2 GB of free memory (out of 5 GB). There is no heavy I/O activity like copying files. My open programs are Google Chrome (6 tabs, none of which are in some way (flash, many DOM objects, Javascript) have IMO, except maybe Gmail), Activity Monitor, Finder, Sublime Text 2 (text editor) and iTerm (terminal). What is causing the slowdown? "Slow" being: taking time to write these characters (I press the keyboard keys but there is a delay before I see them on the screen), changing tabs or programs, etc.

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  • Workaround with paths in vista

    - by Argiropoulos Stavros
    Not really a programming question but i think quite relative. I have a .exe running in my windows XP PC. This exe needs a file in the same directory to run and has no problem finding it in XP BUT in Vista(I tried this in several machines and works in some of them) fails to run. I'm guessing there is a problem finding the path.The program is written in basic(Yes i know..) I attach the code below. Can you think of any workarounds? Thank you The exe is located in c:\tools Also the program runs in windows console(It starts but then during the execution cannot find a custom file type .TOP made by the creator of the program) ' PROGRAMM TOP11.BAS DEFDBL A-Z CLS LOCATE 1, 1 COLOR 14, 1 FOR i = 1 TO 80 PRINT "±"; NEXT i LOCATE 1, 35: PRINT "?? TOP11 ??" PRINT " €€‚—‚„‘ ’— ‹„’†‘„— ‘’† „”€„€ ’†‘ ‡€€‘‘†‘ ‰€ † „.‚.‘.€. " COLOR 7, 0 PRINT "-------------------------------------------------------------------------------" PRINT INPUT "ƒ?©« «¦¤ ©¬¤«?©«? ¤???... : ", Factor# INPUT "¤¦£ ¨®e¦¬ [.TOP] : ", topfile$ VIEW PRINT 7 TO 25 file1$ = topfile$ + ".TOP" file2$ = topfile$ + ".T_P" file3$ = "Syntel" OPEN file3$ FOR OUTPUT AS #3 PRINT #3, " ‘¬¤«?©«?? ¤??? = " + STR$(Factor#) + " †‹„‹†€: " + DATE$ CLOSE #3 command1$ = "copy" + " " + file1$ + " " + file2$ SHELL command1$ '’¦ ¨®e¦ .TOP ¤« ¨a­«  £ «¤ ?«a?¥ .T_P OPEN file2$ FOR INPUT AS #1 OPEN file1$ FOR OUTPUT AS #2 bb$ = " \\\ \ , ###.#### ###.#### ####.### ##.### " DO LINE INPUT #1, Line$ Line$ = RTRIM$(LTRIM$(Line$)) icode$ = LEFT$(Line$, 1) IF icode$ = "1" THEN Line$ = " " + Line$ PRINT #2, Line$ PRINT Line$ ELSEIF icode$ = "2" THEN Line$ = " " + Line$ PRINT #2, Line$ PRINT Line$ ELSEIF icode$ = "3" THEN Number$ = MID$(Line$, 3, 6) Hangle = VAL(MID$(Line$, 14, 9)) Zangle = VAL(MID$(Line$, 25, 9)) Distance = VAL(MID$(Line$, 36, 9)) Distance = Distance * Factor# Height = VAL(MID$(Line$, 48, 6)) PRINT #2, USING bb$; icode$; Number$; Hangle; Zangle; Distance; Height PRINT USING bb$; icode$; Number$; Hangle; Zangle; Distance; Height ELSE END IF LOOP UNTIL EOF(1) VIEW PRINT CLS LOCATE 1, 1 PRINT " *** ’„‘ ’“ ‚€‹‹€’‘ *** " END

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  • Word 97 installed with Outlook XP - Cannot use Word for default editor from Windows Explorer.

    - by xpda
    I am using Outlook 2002 (Office XP Update) with Word 97 and Excel 97. (The reason is that Microsoft refused to activate my legit copy of office 2003 when I got a new motherboard, Word XP crashed too much, and I prefer the newer Outlook. I would rather not send Microsoft more money to upgrade since they refuse to activate what I've already purchased. Please don't recommend an upgrade.) Now, I can tell Windows Explorer to use Word 97 to open, for example, a .txt file. But whenever I try to open the text file from Explorer, it either (a) started the Windows XP installer, or (b) tells me that the .txt file is an invalid Win32 application. Is there some way to straighten out the registry without reinstalling Windows XP? Excel 97 and Outlook 2002 are working fine.

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  • Mac OS X Lion 10.7.2 update breaks SSL

    - by mcandre
    Summary After updating from 10.7.1 to 10.7.2, neither Safari nor Google Chrome can load GMail. Spinning Beachballs all around. The problem isn't GMail; Firefox loads GMail just fine. The problem isn't limited to Safari or Google Chrome; Other applications also have trouble with SSL: Gilgamesh and Safari. Any program that uses WebKit (Google Chrome, Safari) or a Cocoa library (Gilgamesh) to access the Internet has trouble loading secure sites. The various forums online suggest a handful of fixes, none of which work. Analysis Fix #1: Open Keychain Access.app and delete the Unknown certificate. The 10.7.2 update also prevents Keychain Access from loading. The Keychain program itself Spinning Beachballs. Fix #2: Delete ~/Library/Keychains/login.keychain and /Library/Keychains/System.keychain. This temporarily resolves the issue, and lets you load secure sites, but a minute or two after rebooting or hibernating somehow magically undoes the fix, so you have to delete these files over and over. Fix #3: Delete ~/Library/Application\ Support/Mob* and /Library/Application\ Support/Mob*. There is a rumor that the new MobileMe/iCloud service ubd is causing the issue. This fix does not resolve the issue. Fix #4: Open Keychain Access, open the Preferences, and disable OCSP and CRL. This fix does not resolve the issue. Fix #5: Use the 10.7.0 - 10.7.2 combo installer, rather than the 10.7.1 - 10.7.2 installer. When I run the combo installer, it stays forever at the "Validating Packages..." screen. The combo installer itself is bugged to He||. I force-quit the installer, ran "sudo killall installd" to force-quit the background installer process, and reran the combo installer. Same problem: it stalls at "Validing Packages..." Recap The only fix that works is deleting the keychains, but you have to do this every time you reboot or wake from hibernate. There is some evidence that ubd continually corrupts the keychain files, but the suggested ubd fix of deleting ~/Library/Application\ Support/Mob* and /Library/Application\ Support/Mob* does not resolve this issue. Evidently, something is corrupting the keychain over and over and over. Also posted on the Apple Support Communities.

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