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• How to receive mail in Qmail?

  - by Ivan

  I've a server that uses Qmail. It is installed by default and it is supposed to work. I've created a new domain and new user (vadddomain + vadduser) without problems, but when I send an email from Gmail to [email protected] (the address I've created) it desappears, it is. But if connect to SMTP server directly (telnet domain.com 25) and post an email it arrives to the user queue. What's happening?!? Note: If I try to access to my user through telnet domain.com 110 it seems my pwd is not correct and it's the same I used when created the user with vadduser

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• icacls, Network Service, and setting ACLs on Windows Server 2008

  - by Ted

  Setting ACLs on Windows Server 2008 via the command line is giving me some problems. As per http://web2.minasi.com/forum/topic.asp?TOPIC%5FID=26907 I've tried all sorts of variations: C:\Windows\system32icacls "D:\Websites\site.com\Web\bin*" /grant 'NT A uthority\NETWORK SERVICE: (OI) (CI)M' C:\Windows\system32icacls "D:\Websites\site.com\Web\bin*" /grant "NETWORK SERVICE": (OI) (CI)M And all variations in between. However, each try leads to i.e. "Invalid parameter "'NETWORK'"" depending on the variation above. As per http://technet.microsoft.com/en-us/library/cc753525%28WS.10%29.aspx (see in comments), it appears that others have experienced the same issue where the same command works on Windows 7/Vista/etc., but not on Windows Server 2008. What's the best way to apply permissions to Network Service account on a directory and/or files via the command line in Windows Server 2008? Especially as there's no way to do multiple file permissions at once via the GUI (see http://serverfault.com/questions/30991/windows-server-2008-change-security-settings-for-multiple-files-at-once).

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• Working with a copy of my Virtual Machine

  - by Gaby Reyna

  Hi there I'm trying to make a backup/copy of my virtual machine, it's installed in a Windows Server 2000 and I want to make some modifications/tests without changing the original one. The copy is to be used in Windows 7, what I'm trying to do is work/modify an application that communicates with a DB, this application is hosted on the VM, the DB too, and since I don't want to screw up the stable version I want to know how to copy the VM to my desktop pc to experiment without worries. Now, someone told me I might have problems with the IP 'cause the original will have the same IP, and if I change it, it won't work properly. Is this true? If it is indeed true, any suggestions??

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• How do I make a partition usable in windows 7 after power loss?

  - by user1306322

  A few days ago I was installing some software and power went down. When I rebooted, the partition to which the software was installed was not accessible. Disk manager shows that it's there, but doesn't show type, if it's healthy and gives me an error when trying to read its properties. The problem seems to be common after power loss, people recommend solving it by assigning a letter to the partition via DiskPart utility, but partition isn't listed in my case. I can access that partition with bootable OSs (like bootable Ubuntu or winXP) and all the files are there, but another installation of Windows 7 gives me the same results as the original. I could just copy all data to another disk if there was enough space, but unfortunately the size of partition I'm having problems with is 1.1TB. How do I regain access to the partition in my original Windows 7 installation without losing any data?

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• How to stay creative when going through tough emotional times (divorce, family death, etc)? [closed]

  - by gaearon

  Hi everyone. I believe this is not a duplicate of motivation question because I want to especially emphasize the emotional breakdown. You may conquer lack of motivation by working harder and getting through the dip, however this was not the case when I was separating with my girlfriend. I actually liked the project, it was (and it still is!) my first programming job at an amazing workplace and I wasn't being pressured in any way but I found myself absolutely unable to code, blankly staring at the screen, my thoughts disorganized, the feeling of emptiness all in my chest. I could perform some straightforward coding but anything that involves creative thinking, designing abstractions, solving new problems and, worst of all, fixing bugs in legacy code, completely wiped out my brain to the point I started avoiding work, which I never have done before. Coffee only used to make it worse. Eventually I got over that, and I remember the happy day I solved a problem elegantly and thought—hell, first time in a month! Thankfully the project wasn't top priority and I had the time to catch up. I wonder now, was there any other way to boost my productivity back then? I bet people would say I should've taken a break—and I think I really should have—but what if I needed the money? Didn't want to lose my job? Are there any ways to trick your brain into being creative despite emotional losses? From your experience, would it be worth talking to my boss, collegues?

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• Why Outlook 2007 pasted images are larger than original?

  - by Jersey Dude

  I have been using Outlook 2007 for over a year with no image problems. Around September 1st, images that I paste into messages are enlarged in the messages. This happends with WinSnap, the Vista Snipping Tool, or any jpeg pasted into the message I tried jpegs with 96dpi settings w/o sucess I tried different Outlook Format Picture ... and Size ... settings Problem happens with both RTF and HTML messages Attached images are ok Something mysteriously changed and I cannot figure it out. I googled this to death without any success (others have the problem but there is no solution). This is driving me nuts because I snap screenshots all day long ("a picture is worth a thousand words"). Thanks in advance.

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• What should I do when my team leader is unfair for no reason? [closed]

  - by crucified soul

  I'm a new software developer and this is my first job. It's a startup and the CEO and the working environment is just great. I work really hard and I believe that I also do my job well. But recently, I have felt like my team leader is being unfair to me for no reason. It appears that he is nice to my co-workers, but not me. I figure he is mad at me, but I didn't bother to find out why. I really love this company and I really love working there. But if my team leader continues to be unfair then I have no option other than leaving. How can I fix this? EDIT: The other day he called me into his office and wanted to see my work in the afternoon (Yes, in my country, at summer season after 5PM is afternoon. My office begins at 8AM. And I'm not saying I've problems to work after 5PM). At the time I was facing a weird runtime error and I was pretty tired. I explained the situation to him. Then he found a small logical error in my code and asked me why I didn't fix this. I told him I was trying to resolve this runtime error and that I was sure that this logical error had nothing to do with the runtime error. He then proceeded to yell at me. After fixing the logical error that runtime error was still there. This is not the only occasion he has been unfair to me. I'm saying is being unfair because he doesn't do this kind of thing to other developers when they do really silly mistakes.

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• Android - big game universe

  - by user1641923

  I am new to an Android development, though I have much experience with Java, C++, PHP programming and a bit experience with vector graphics too (basic 3d Studio Max, Flash, etc). I am starting to work on an Android game. It is going to be a 2D space shooter/RPG, and I am not going to use any game engines and any 3D party libs. I really want to create a very large game universe, or even pseudo-infinite (without visible borders, as if it were a 2D projection of a sphere). It should include 10-12 clusters of 7-8 planets/other space objects and random amount of single asteroids/comets, which player can interact with and also not interactive background. I am looking for a least complicated aproach to create such a universe. My current ideas are: Simply create bitmaps with space scenery background so that they can be tiled seamlessly repeated and construct my 2D universe of this tiles, then place interactive objects (planets, other spaceships) on it. Using vector graphics. I would have a solid color background, some random background objects and gradients here and there. My problems here: Lack of knowledge of how well vector graphics is integrated in Android. Performance? Memory usage? Does Android manage big bitmaps well? Do all of the bitmaps have to be in memory during all game process? I am interested in technical details regarding each of the ideas and a suggestion, which I should go with.

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• Power supply issue? New Radeon5850's fan runs at full speed and PC doesn't boot.

  - by Kris

  I recently bought a new ASUS EAH5850 graphics board. I installed it a custom PC which had an ASUS p5n-e SLI mobo along with a 500w Thermaltake W0093RU power supply. Sometimes when doing a cold boot the 5850's fan will run at full speed and the PC will not boot. Powering off by holding down the power button and powering back on sometimes remedies the situation and everything boots normally. Warm reboots also never seem to have problems. For some reason though cold boots almost always do. Another issue I notice is that when the PC does boot normally it takes longer (+30 secs) to POST than with my last video card. I flashed the mobo with the latest available BIOS but it had no effect. Is my problem a power issue or incompatible motherboard or something else I'm missing?

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• Unable to debug an encodded javascript?

  - by miles away

  I’m having some problems debugging an encoded javacscript. This script I’m referring to given in this link over here. The encoding here is simple and it works by shifting the unicodes values to whatever Codekey was use during encoding. The code that does the decoding is given here in plain English below:- <script language="javascript"> function dF(s){ var s1=unescape(s.substr(0,s.length-1)); var t=''; for(i=0;i<s1.length;i++)t+=String.fromCharCode(s1.charCodeAt(i)-s.substr(s.length-1,1)); document.write(unescape(t)); } </script> I’m interested in knowing or understanding the values (e.g s1,t). Like for example when the value of i=0 what values would the following attributes / method would hold s1.charCodeAt(i) and s.substr(s.length-1,1) The reason I’m doing this is to understand as to how a CodeKey function really works. I don’t see anything in the code above which tells it to decode on the basis of codekey value. The only thing I can point in the encoding text is the last character which is set to 1 , 2 ,3 or 4 depending upon the codekey selected during encoding process. One can verify using the link I have given above. However, to debug, I’m using firebug addon with the script running as localhost on my wamp server. I’m able to put a breakpoint on the js using firebug but I’m unable to retrieve any of the user defined parameters or functions I mentioned above. I want to know under this context what would be best way to debug this encoded js.

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• Setting up Gitosis, where to create the repos?

  - by ReynierPM

  I'm trying to setup Gitosis on CentOS 6.2 but have some doubts/problems about it. I read this docs here, here and here but it's unclear to me where to configure where repositories are created. My server has a partition /data where I create a directory and called /gitrepos. I want all the repos created under that directory. By default if I run the command: gitosis-init < /home/reynierpm/reynierpm.pub I get this Initialized empty Git repository in /root/repositories/gitosis-admin.git/ Reinitialized existing Git repository in /root/repositories/gitosis-admin.git/ And I want this repos created under /data/gitrepos, any help? Thanks in advance

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• Why does my fan run so hard on my Dell XPS 15z?

  - by Kilhoffer

  I recently bought a Dell XPS 15z. It came with Windows 7 Home Premium, but I really wanted to try out Ubuntu on it. I ran the Windows installer and was surprised how smooth the process was. Within 10 minutes, I had a dual boot setup with Ubuntu 11.10. It boots into Ubuntu just fine and everything seems to work. I've read a lot about problems with touchpad and wireless, but honestly, I've had none of those issues. The only thing that's really bothering me is the fan constantly runs fast. Under Windows, it rarely ever came on and when it did, it wasnt spinning that fast. What could be going on under Ubuntu that would cause this? I want to get that under control because I want to use Ubuntu as my primary OS and screw Windows. Any help would be much appreciated! Note: I've read that others have set acpi=false, but I have not made any changes to the default installation. Should I make that change?

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• Java JRE: Setting default heap size

  - by AndiDog

  I'm having trouble with Java on a virtual server, it always gives me the following error: # java Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. I first solved this by using the CACAO virtual machine (of OpenJDK, by putting it first in jvm.cfg), but then I run into problems with my web application (Play! framework based, gives me nasty LinkageErrors). So I cannot use that VM. Instead I'd like to just use the normal server VM and set -Xmx128M by default. How can I do that? Related: this question

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• How can I get my monitor's maximum resolution without the proprietary AMD graphic driver installed?

  - by Venki

  I am using Ubuntu 14.04. I have an AMD Radeon 5570 HD graphic card. Actually, the default open source REDWOOD drivers aren't allowing me to choose my monitor's maximum screen resolution(which is 1366 x 768). I just have two resolutions displayed which are 1024x768 and 800x600 . If I give the command : xrandr -s 1366x768 then the output is: Size 1366x768 not found in available modes So just for the sake of getting 1366x768 resolution I am forced to install the proprietary graphic driver that AMD gives me from its site. But if I install it(which itself is quite a problem-prone process), I undergo a lot of 'inconvenience'. Sometimes after an OS update, the driver crashes unity. Then I will have to uninstall that driver from a tty and google around for a solution. Also I encounter screen tearing problems occasionally. In addition I also cant see my login screen(See this question which states this particular problem). The main problem is AMD does not update its driver as quick as Ubuntu updates its OS. This is quite irritating. So, I want the maximum resolution(and performance) that my graphics card and monitor can give me without installing the 'problematic' proprietary graphic card driver that AMD gives. Is this possible? Suggestions please. Thanks in advance. PS :- More system specs details:- Intel i3 2100 processor AMD P8H61-M PLUS2 motherboard AMD Radeon 5570 HD graphic card DELL monitor (BTW, Thank you for reading through my elaborate description!)

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• Relation between developers and clients

  - by guiman

  Hi everyone, i've been facing a situation at work and i would like to share it with you and tell me: Did you had to do it to? Should a developer be in direct contact wit the client? Or there should be an "adapter" guy that translates client needs in pseudo formal requirements understandable to us? I'm currently working in a small company that its taking care of implementing lots of systems, most of them for goverment institutions, in witch it generally means taking software developted 20 years ago and refurbish them so fit up-to-date needs. The clients generally are very used to them and tend to discourage change (they are in their 50s 60s give or take, so not technologie-friendly in general). As you can imagine, dev-team in most cases starts taking care of relation with clients, generating the documentation needed in this cases (CU usually), assisting to weekly meets to see improvements with clients. As for experience, this is a gold mine for me, because gives a nice perspective on all the aspects of software development, but also some problems rise because, if developers come from mars then client are from venus. So there is a fine gap on the vocabulary/experience/capability-to-interpret-needs that generates an noice in the communication, and some times affecting the final product.

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• Server 2003 Functional Domain DFS Replication Problem (Files being moved to conflicted folder for no reason)

  - by Az

  We have 2 Windows 2003 servers configured with a DFS namespace and we are running into problems with the redirected profiles we have setup. Basically, one server is the FSMO master for all roles, and we have another DC that is the DFS namespace primary server. We have profile redirection setup using the \dfsnamespace\userprofile formula. The FSMO master DC locks up occasionally (don't ask :), and when it does, and we bring it back up... All of the user profiles hosted on the DFS namespace get overwritten when a user logs in. The current profile gets moved to the conflicting and deleted items folder. This strikes me as really odd considering the whole point of using DFS was to provide some redundancy in case one server went down. Can anyone help? Thanks in advance! -Nate

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• Troubleshooting a slow database server with no load

  - by user1721724

  I'm getting ready to soft launch my website and I've run into some problems with what I think is being caused by my MySQL database running on Fedora. All websites run fine, just as I'd expect, but any pages that establish a database connection hang until the connection is established, and then bang, the site loads as it should. Ex. My landing page (http://www.thrusong.com) doesn't make a database connection and loads quickly. User profile pages (http://www.thrusong.com/john) make a database connection and load slowly, even though most of the data comes from memcached and the database currently has no load on it. This problem just came up yesterday when my router died and I began using my Pace 2Wire modem with built-in router. Before, my old router was set to handle everything. My ISP says the settings in the modem are correct. Any ideas? Thanks in advance.

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• Numbering equations based on chapter numbers in MS-Word

  - by Isaac

  I am seeking for a way to number each equation based on the chapter numbers. The number should be placed at the right side of the equation and the equation should be center-aligned. Something like this: (The bounding box around 2.3 is not necessary). I found this article that do this in a tricky way. Sadly it has some problems when I use multilevel numbering for Headings. To conclude, I am looking for a way to numbers equations that: The numbering is formatted as N-M that N is chapter number and M is equation number. equation is placed in center-aligned number is placed in the right side of equation There should be a way to cross-reference each numbered equation. Thanks!

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• Cannot SSH into Amazon EC2 instance

  - by edelwater

  I read: Cannot connect to ec2 instance http://stackoverflow.com/questions/5635640/cannot-ssh-into-amazon-ec2-instance Amazon EC2 instance ssh problems etc... But could not fix it: suddenly (after a year of service, no changes on my winscp settings) it gives me "network error connection timed out" (im using ec2-user) (also from the amazon console). Log FILE: http://pastebin.com/vNq6YQvN All Sites that run on it run fine port 22 is allowed (never changed it) (security group) using the correct ec2-user and domain via my winscp / putty i can connect to other hosting (via ssh) update: SOLVED. I spend 2 days without looking at my own IP address .... (since it did not change the past 3 years....). Your comments made the spark in my brain. thank you so much. (and only now i find dozens of discussions from angry users that the static addresses from my provider are changed to dynamic ones: http://gathering.tweakers.net/forum/list_messages/1501005/12 ...)

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• How to sync client and server at the first frame

  - by wheelinlight

  I'm making a game where an authoritative server sends information to all clients about states and positions for objects in a 3d world. The player can control his character by clicking on the screen to set a destination for the character, much like in the Diablo series. I've read most information I can find online about interpolation, reconciliation, and general networking architecture (Valve's for instance). I think I understand everything but one thing seems to be missing in every article I read. Let say we have an interpolation delay of 100ms, server tickrate=50ms, latency=200ms; How do I know when 100ms has past on the client? If the server sends the first update on t=0, can I assume it arrives at t=200, therefore assuming that all packets takes the same amount of time to reach the client? What if the first packet arrives a little quick, for instance at t=150. I would then be starting the client with t=150 and at t=250 it will think it has past 100ms since its connect to the server when it in fact only 50ms has past. Hopefully the above paragraph is understandable. The summarized question would be: How do I know at what tick to start simulating the client? EDIT: This is how I ended up doing it: The client keeps a clock (approximately) in sync with the server. The client then simulates the world at simulationTime = syncedTime - avg(RTT)/2 - interpolationTime The round-trip time can fluctuate so therefore I average it out over time. By only keeping the most recent values when calculating the average I hope to adapt to more permanent changes in latency. It's still to early to draw any conclusion. I'm currently simulating bad network connections, but it's looking good so far. Anyone see any possible problems?

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• Explorer forgetting how to cut and paste files

  - by raimesh

  My Windows XP (SP3) machine (at work) occasionally "forgets" how to cut-and-paste files in Explorer - if I cut or copy a file then go to paste it elsewhere, the "paste" and "paste shortcut" menu items are greyed out. The keyboard shortcuts (Ctrl+X/Ctrl+C,Ctrl+V) don't work either, and neither does Drag-and-Drop - clicking and dragging a file/folder doesn't change the pointer and letting go doesn't drop the item anywhere. Restarting the explorer.exe process usually fixes the problem, but sometimes I need to do a full reboot. Note: this may be related to the following existing question, although that's Vista and it sounds like the asker has more permanent problems than I do: http://superuser.com/questions/27045/copy-paste-in-vista-explorer-broken-not-ms-vpc So, any idea what might be causing the problem and how to avoid it?

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• LPR command won't recognize CUPS printer

  - by Datapimp23

  I have a cups server with one shared printer configured on it. It prints test pages without problems. printername (Idle, Accepting Jobs, Shared) Description: desc Location: Driver: Zebra ZPL Label Printer (grayscale, 2-sided printing) Connection: socket://172.20.50.26 Defaults: job-sheets=none, none media=oe_w288h432_4x6in sides=one-sided This is the output from lpstat -t. it shows that the printer is idle and accepting requests admin@SERVER:~$ lpstat -t scheduler is running no system default destination device for printername: socket://172.20.50.26 printername accepting requests since Thu 26 Jan 2012 01:29:35 PM CET printer printername is idle. enabled since Thu 26 Jan 2012 01:29:35 PM CET Now when I want to send a printjob to it via an LPR command it won't recognize the printer /usr/bin/lpr -P printername test.pdf Result lpr: ttn_seg_zebra1: unknown printer What am I missing here ?

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• Linux - How to completety clean up a software installation

  - by Jonathan Rioux

  Hi, I am running under Debian and I have recently upgraded to Squeeze. Since then, I am having so much problems with Webmin. So I have decided to remove it using: apt-get remove webmin And then I downloaded the sources of Webmin 1.530 and compiled it. But the installation process has been stucked for an hour so I canceled it. I even tried to install it using the .deb file without success (installation stucks for hours). From now, I cannot install Webmin since I uninstalled it. So I would like to know how can I make a full clean up of any traces of Webmin on my server. And then I will retry to install it.

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• Desktop stops working in Windows 7

  - by Roger

  I'm having an odd problem on one of my Windows 7 machines. At machine startup, explorer.exe is working properly - I can use the Start menu, click on desktop icons, etc. At some later point, though, I lose the ability to interact with desktop icons. I can't double-click to open files on the desktop, and I can't right-click to see the properties window. Oddly enough the Start menu still works properly, and I can still open an Explorer window into my desktop and access everything. I can get around the problem by killing explorer.exe and restarting it using Task Manager, but it's annoying to have to do this over and over. Does anyone have any ideas? I took a look at startup files with msconfig and didn't see any obvious problems. Any suggestions would be appreciated.

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• Windows Server 2008 SOMETIMES blocks connection to an FTP Site

  - by ssilver2k2

  Hello Everyone Recently, our company has been having issue connecting to a special FTP server that we use offsite to upload small files. We can connect to the test server perfectly fine, but when we use the production ftp, it only randomly connects. If I plug my laptop directly into the modem and pull one of our other static IP addresses, I can connect just fine, but if I use our internal network, it is hit or miss. Also, turning OFF the firewall does NOT change the status of our connection problems. It will still time out. The weird issue is that it sometimes works, and when it does, it instantly asks for credentials and logs us on for that session, but if we disconnect and try again, it may or may not work. This also coincidentally occurred after uninstalling hamachi, and it blew away our internet settings on our Windows Server 2008 box, but everything else is working fine, and it was working fine before hamachi was installed.

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