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  • Postfix as mail relay for web servers?

    - by Ben Carleton
    Hi all, I want to set up Postfix to relay mail from a group of webservers. I would like to limit senders by IP so I can restrict the box to only my webservers, so I don't have an open relay and don't have to worry about authentication. So, what I guess I need is to limit inbound access but allow mail to be sent to any outbound address. I've looked through the docs and don't even know where to start, so any tips would be appreciated. Thanks!

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  • UNMOUNTABLE BOOT VOLUME error on laptop with no CD Drive

    - by Menno
    I am getting the UNMOUNTABLE BOOT VOLUME error on my Samsung laptop which does not have a CD Rom drive. I tried to merge the C and D partitions to get more space but since then the laptop does not start up anymore. I dont care about the laptop, just about some pictures on there which I did not back up yet. I really hope someone can help me?!! I am a new user, so cant post pictures, but can send a screenshot if needed.

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  • Is it a good practice to place the executable on a fileserver?

    - by Ice
    Assuming the components like *.dll's, *.ocx's installed and registered on the clients there exists the possibility to place the *.exe and some related files on the fileserver. To start the application there are links on the client's desktops which runs the \fileserver\AppPath\exe. Would you agree with such a layout? What if 'the client' is a terminal-server and 'the clients' means a terminal-server-farm?

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  • Interface builder hangs.

    - by Tejaswi Yerukalapudi
    I was running IB without any problems when it hanged when I was trying to modify the properties of a tableview. I couldn't get it to forcequit as my whole OS hanged and I had to do a hard reboot. Since then I couldn't get it to run at all, everytime I start it, it just hangs and gives me the option to ForceQuit. I've reinstalled Xcode+IB, but it's still the same. Help? Thanks, Teja

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  • Can not access control panel.

    - by Amby
    I can not access Contol panel in my windows vista machine. As soon as i click the "conrol panel" item in start items, it shows up a window and then its closed automatically ( same happens if i use "control" command). Is there some program or some registry entry thats restricting it? is ther a way to control this behaviour?

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  • Wireless router DSL connection problem help

    - by infoquad
    I recently bought a wireless DSL router to replace my wired one. After quick setup however, the router does not connect to the Internet. Wireless connection between laptop and router exists and Internet can be connected through laptop(manually) by using router as WAN miniport(PPPoE). What I want to do is connect the wireless router to Internet so that when laptop connects to router, I can start using the Internet. How do I do this? Please help.

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  • How Do I Automatically Update My Database Nightly

    - by Russ
    Currently, every day before I start work, I complete the following procedure: ssh to the production server gzip our daily database dump file scp the gzipped dump file over to my computer gunzip the dump file dropdb mydatabase createdb mydatabase psql mydatabase < dump.sql Is it possible (I'm sure it is) to automate this process on Mac OSX? This way it is done by the time I get to work in the morning. If so, what is the quickest and easiest way

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  • How Do I Automatically Update My Database Nightly

    - by Russ
    Currently, every day before I start work, I complete the following procedure: ssh to the production server gzip our daily database dump file scp the gzipped dump file over to my computer gunzip the dump file dropdb mydatabase createdb mydatabase psql mydatabase < dump.sql Is it possible (I'm sure it is) to automate this process on Mac OSX? This way it is done by the time I get to work in the morning. If so, what is the quickest and easiest way?

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  • Leopard-like dock for Win7

    - by monov
    I want a dock like MacOSX Leopard's, for my Windows 7. Required features: display all open windows, not just minimized ones when I maximize windows, I don't want them to go under the dock. The bottom part of my screen should be empty except for the dock there. a "start menu" button a clock of some sort So far I've tried RocketDock and RK Launcher. They lack some of the above.

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  • Lua metatable Objects cannot be purge from memory?

    - by Prometheus3k
    Hi there, I'm using a proprietary platform that reported memory usage in realtime on screen. I decided to use a Class.lua I found on http://lua-users.org/wiki/SimpleLuaClasses However, I noticed memory issues when purging object created by this using a simple Account class. Specifically, I would start with say 146k of memory used, create 1000 objects of a class that just holds an integer instance variable and store each object into a table. The memory used is now 300k I would then exit, iterating through the table and setting each element in the table to nil. But would never get back the 146k, usually after this I am left using 210k or something similar. If I run the load sequence again during the same session, it does not exceed 300k so it is not a memory leak. I have tried creating 1000 integers in a table and setting these to nil, which does give me back 146k. In addition I've tried a simpler class file (Account2.lua) that doesn't rely on a class.lua. This still incurs memory fragmentation but not as much as the one that uses Class.lua Can anybody explain what is going on here? How can I purge these objects and get back the memory? here is the code --------Class.lua------ -- class.lua -- Compatible with Lua 5.1 (not 5.0). --http://lua-users.org/wiki/SimpleLuaClasses function class(base,ctor) local c = {} -- a new class instance if not ctor and type(base) == 'function' then ctor = base base = nil elseif type(base) == 'table' then -- our new class is a shallow copy of the base class! for i,v in pairs(base) do c[i] = v end c._base = base end -- the class will be the metatable for all its objects, -- and they will look up their methods in it. c.__index = c -- expose a ctor which can be called by () local mt = {} mt.__call = function(class_tbl,...) local obj = {} setmetatable(obj,c) if ctor then ctor(obj,...) else -- make sure that any stuff from the base class is initialized! if base and base.init then base.init(obj,...) end end return obj end c.init = ctor c.instanceOf = function(self,klass) local m = getmetatable(self) while m do if m == klass then return true end m = m._base end return false end setmetatable(c,mt) return c end --------Account.lua------ --Import Class template require 'class' local classname = "Account" --Declare class Constructor Account = class(function(acc,balance) --Instance variables declared here. if(balance ~= nil)then acc.balance = balance else --default value acc.balance = 2097 end acc.classname = classname end) --------Account2.lua------ local account2 = {} account2.classname = "unnamed" account2.balance = 2097 -----------Constructor 1 do local metatable = { __index = account2; } function Account2() return setmetatable({}, metatable); end end --------Main.lua------ require 'Account' require 'Account2' MAX_OBJ = 5000; test_value = 1000; Obj_Table = {}; MODE_ACC0 = 0 --integers MODE_ACC1 = 1 --Account MODE_ACC2 = 2 --Account2 TEST_MODE = MODE_ACC0; Lua_mem = ""; print("##1) collectgarbage('count'): " .. collectgarbage('count')); function Load() for i=1, MAX_OBJ do if(TEST_MODE == MODE_ACC0 )then table.insert(Obj_Table, test_value); elseif(TEST_MODE == MODE_ACC1 )then table.insert(Obj_Table, Account(test_value)); --Account.lua elseif(TEST_MODE == MODE_ACC2 )then table.insert(Obj_Table, Account2()); --Account2.lua Obj_Table[i].balance = test_value; end end print("##2) collectgarbage('count'): " .. collectgarbage('count')); end function Purge() --metatable purge if(TEST_MODE ~= MODE_ACC0)then --purge stage 0: print("set each elements metatable to nil") for i=1, MAX_OBJ do setmetatable(Obj_Table[i], nil); end end --purge stage 1: print("set table element to nil") for i=1, MAX_OBJ do Obj_Table[i] = nil; end --purge stage 2: print("start table.remove..."); for i=1, MAX_OBJ do table.remove(Obj_Table, i); end print("...end table.remove"); --purge stage 3: print("create new object_table {}"); Obj_Table= {}; --purge stage 4: print("collectgarbage('collect')"); collectgarbage('collect'); print("##3) collectgarbage('count'): " .. collectgarbage('count')); end --Loop callback function OnUpdate() collectgarbage('collect'); Lua_mem = collectgarbage('count'); end ------------------- --NOTE: --On start of game runs Load(), another runs Purge() --Update I've updated the code with suggestions from comments below, and will post my findings later today.

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  • How to set the default input focus/caret position in Outlook 2007 stationery?

    - by Ronald
    When using stationery/templates in Outlook 2007, I want to set the caret position between the header and footer by default. Now you have to click in the right place to start typing, which is annoying... Is the some special markup that would allow me to set a default caret position? Something like this (for Outlook Express 5/6): http://email.about.com/od/outlookexpresstips/qt/et041205.htm.

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  • change revision number in SVN

    - by Alaa Alomari
    I have a system that receives files from clients using svn, and we keep track of revision ID in one of our databases. every year we clear the svn repo, and create new repo as it gets very large size. now how can i preserve the revision id when i create new repo. in other words my repo for this year will reach 20000 revisions. how can i start my new repo from revision id 20001. I hope this can be done

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  • Command history in zsh

    - by Art
    Currently I have zsh set up in such a way that command history is shared between all sessions immediately. Say I have a terminal emulator open with two tabs, each with a zsh session, A1 and A2. If I enter ls -la in A1, and then go to A2 and press up arrow key, I will see ls -la in the command prompt. I would like to change it so sessions don't share the command history with each other although when you start new session it gets all the previous history from all sessions before it.

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  • Problems creating service using sc.exe

    - by Shoko
    I have this command to create a service: sc create svnserve binpath="\"C:\Program Files (x86)\Subversion\bin\svnserve.exe\" --service --root C:\SVNRoot" displayname="Subversion" depend=tcpip start=auto obj="NT AUTHORITY\LocalService" Unfortunately, it seems not to work, even though the syntax is correct. When I run it, I get the usage instructions (which I guess is a way of telling me that I've supplied incorrect arguments, although I have no idea what incorrect argument I might have supplied). Can anyone help me out of my difficulty? Thanks!

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  • Save Word document to clipboard

    - by uwe
    I often come into the following situation: Get an email with attachment in MS Outlook Open that attachment in MS Word Starting to edit the document in MS Word Start replying to the email in MS Outlook Getting the edited document into my reply I have to save that file to disk and then drag it as attachment. I would think of a short way to get that document as attachement in the newly generated email. Is there a way to implement a save location as clipboard or just a copy to clipboard (the document, not the content)?

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  • How to set up cluster with SESSION replication in Coldfusion 10?

    - by user3427540
    I am not able to set up a cluster with session replication. I have successfully set up a cluster with sticky session. When googled I found a lot of links explaining the same issue, like http://cfmlblog.adamcameron.me/2012/11/problem-with-session-replication-with.html https://forums.adobe.com/thread/1238702?start=0&tstart=0 Does deselecting the sticky session auto enables the session replication? But no where i got a solutions. Anyone solved this problem?

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  • emacsclient: create a frame if a frame does not exist

    - by Idlecool
    I start emacs server using emacs --daemon then open files using emacsclient filename.ext but the first file has to be opened using emacsclient -c filename.ext in order to create a new frame which can be later used by subsequent files without using -c command line flag for emacsclient. I want to automate this. "if there is no emacs frame, emacsclient should create a frame else it should use the current frame". How can it be done?

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  • Explorer is missing half tray icons in XP

    - by Ither
    Hi, lately and with no explanation half of the tray icons disappear every time I start up XP SP3. I use Process Explorer (procexp.exe) to look for the missing processes and they still there. When i kill and restart explorer.exe, the tray is complete again. I don't know how to diagnostic or repair the problem. Any suggestions? Thanks in advance.

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  • Problem with several USB devices on Windows XP. How to diagnose USB device?

    - by Lukasz Baran
    Hello All, Recently I've bought some electronic devices (like e.g. Sony Ebook reader PRS-600 or HP PDA IPaq) which are connected to PC using USB ports. These devices have own batteries and they are recharged using USB. However, I am experiencing a problem with Ebook Reader and the similiar thing happens with my PDA (but in this case it's more rare). Sometimes, I am unable to make it start recharging, when it's connected to USB port. The LCD diode on my Reader lights up and the icon in the system tray appears. They both indicate that the device has been connected. However, the device should start recharching and it should appear on Windows XP as a 'explorable' device (just like pendrive it offers some HDDs). None of these happens:( This problem appears on two PCs - desktop and laptop. Both have Windows XP SP3 installed. And what's interesting and surprising to me is the fact that these devices sometimes work without any problems. I mean, I just plug them in and they work properly. Besides that, there are some computers (I have tested a variety of possible conditions) on which the problem does not appear! I am confused and, on the other hand, determined to find out what is the real cause of such strange behavior. Maybe I'm wrong but I always assumed that I'm using deterministic machines, but the described situation makes me feel like I was dreaming:) And that's why I'm asking you here. Are there any tools that could help me diagnose USB ports? Or maybe anyone knows the solution? I have a lot experience with low level programming (mostly from the times of MS-DOS applications), but I'm not an expert when it comes to WinXP technology. If this was a problem with network connection, I would know what to do - I know how to track network traffic, but with USB ports I feel powerless. I have a feeling that the problem may lie in a way WinXP handles USB devices. Personally, I hate auto-discovery and P'n'P features available in Windows. I know that some of may suggest to move to Linux or other *Nix system. Unfortunately, I have to use WinXP in my professional life, so it's rather impossible. Besides that, I don't consider XP as a total disaster. Any help from you will be appreciated!

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  • Induce Mac graphical login from SSH

    - by Ben Alpert
    The title says it all. Is there a way to make the loginwindow process start a user session by running a command when remotely logged in via SSH as an admin on Mac OS X? When the machine is at the login window (no user is currently logged in), I want it to open up a user's session as if I had clicked on the username and entered a password. Solutions that don't involve scripting the GUI are highly preferred, but this Apple KB page may be of interest for those who go that route.

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