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• Exchange 2010: How to retain mail in the outgoing queue for a certain amount of time before it is being sent

  - by Jeroen Landheer

  One of our clients asked us to configure Exchange 2010 to retain outgoing mail for a certain amount of time (independant of Outlook settings.) The idea is that an administrator has about 10 minutes to take a message out of a queue before it is sent out the organization. I know this can be configured in Outlook, but this is not a valiable solution for us. I'm also aware that this causes queues to fill up, this is part of the consideration. Is there a way in Exchange 2010 to configure this?

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• Subscript/Superscript Hotkey for Excel 2010 Macro?

  - by advs89

  Background In Excel 2010, for some ridiculous reason, there is no built-in hotkey (or even a button on the toolbar) for subscripting/superscripting text within a text cell. You can, however, highlight the text, right-click the selection, click format, and then check the [x] subscript or [x] superscript checkbox. Question Are there any kinds of excel macros or workarounds to map two keyboard hotkeys to the subscript and superscript keys, respectively? (It should only be, like, two lines of code - one for the event handler and one for the actual procedure call... I would write one myself but my VBA is rusty, at best, and I am pretty confident there is probably already some kind of solution, despite my inability to find one via search engine) Thanks for any help you can provide!

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• Strange Windows Server 2008 R2 (FTP Server) Error - Caused by a specific combination of characters in the filename of uploaded file

  - by Steven

  We are running Windows Server 2008 R2, which is setup to be a FTP server. Everything seemed to be working fine until one our our cilents started complaining about their uploads being halted with the message "Connection with server reset". Further diagnosis revealed that a specific combination of characters in the filename will cause a repeatable error. I am hoping that a form expert can confirm the error or perhaps provide a solution. This is an example filename that will always cause the error: REPORT_FILED_000000001 (extension does not matter) Any help would be greatly appreciated! We need files named like this to work properly with our FTP server.

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• Nginx load distribution and multi-domain SSL

  - by Steve Clark

  I'm researching into the best methods of two new parts of our infrastructure, hopefully finding a single solution for both. 1) We're currently running a single application server, and we're going to be adding an additional application server and load balance between the two. 2) We handle a few thousand domains across the application server(s), and we're looking to support SSL. The best method i've come across so far is using nginx for it's Load Distribution to serve the requests to the application servers, and for it's SSL support. If a request is using SSL, nginx accepts the request on, terminates SSL and pipes to apache (app servers). Now, that's all good, but i'm yet to figure out how we can let nginx handle multiple domains using SSL. We're potentially looking at using UCC SSL Certs, so we can support 150 domains on a single certificate, with each cert on a single IP. I'm all new to this (My experience is just with physical load balancers and a single domains on SSL), so any advice would be very much appreciated.

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• Can't install Ubuntu 12.04 64-bit on a dual-drive MacBook Pro 8,2

  - by kizdp

  Good afternoon, this is the first time I participate here as I'm new to Linux. I've been trying to solve the following problem for over a week without any sign of success so I hope there's a much more knowledgeable person here that can give me a solution. I have an early 2011 MacBook Pro (8,2) with Mac OS X running in a SSD. Then, instead of the Optical bay, I have a HDD in where I would like to install Ubuntu to run it natively. I've tried to do the normal installation process, with or without rEFIt, but it seems the problem resides on the communication between the device containing the Ubuntu .iso file and the laptop. It doesn't allow communication with the boot CD or USB drive. It usually says: “Loading bootlogo...” after I click on the “boot from CD, Linux Icon”. After trying several things, I would like to know if I could install Ubuntu on the HDD as an external HDD (using a friend's Window's system) and then simply put it back into my laptop so as to become an Internal HDD again. I guess, I would have to reinstall many drivers and so on, but would this approach work? Thanks in advance and sorry for this huge block of text

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• mod_rewrite issue | Request exceeded the limit of 10 internal redirects

  - by Chris Anarko Meow

  ok what Im doing normally works but since my rule "includes" itself is giving me issues and can't find a solution after hours working on different options. I have a .htaccess with: RewriteEngine On RewriteBase / RewriteCond %{REQUEST_URI} !^/3.15.0/(.*) RewriteRule ^(.*)$ /3.15.0/$1 [L] this is for my software versions, I have a program that can request sometimes versions that are updated and in the server may be behind a couple version so I want to be able to say that whatever is comming in forward to the latest version that in this example is 3.15.0 /var/www/nameblabla/3.15.0 my .htaccess is on /var/www/nameblabla/.htaccess so the first Condition is to ignore request that already has the right path and version.. the second should be to grab all request and forward to 3.15.0... and of course not loose the path to the files I want from inside that should be the same. so far I can only get it to redirect to such directory but will loose the path and others I get the "Request exceeded the limit of 10 internal redirects" I guess this is because Im including the 3.15.0 path Any help or another way to do this with out mod_rewrite?

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• Reset All My Passwords

  - by E-rich

  I know there are some great apps out there for keeping track of passwords (see how-do-you-keep-track-of-all-your-passwords if you aren't familiar). I'm interested in additional features for managing my passwords, particularly to reset all my passwords. I can imagine that this feature would be pretty complicated to implement, considering: websites have different methods for resetting a password client applications most likely don't have a means to change a password except for through a graphical user interface (as opposed to providing a command line command) So, I'm curious if there is a solution out there and I just haven't found it. If not, perhaps I will have to start another side project.

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• Case in-sensitivity for Apache httpd Location directive

  - by user57178

  I am working with a solution that requires the usage of mod_proxy_balancer and an application server that both ignores case and mixes different case combinations in URLs found in generated content. The configuration works, however I have now a new requirement that causes problems. I should be able to create a location directive (as per http://httpd.apache.org/docs/current/mod/core.html#location ) and have the URL-path interpret in case insensitive mode. This requirement comes from the need to add authentication directives to the location. As you might guess, users (or the application in question) changing one letter to capital circumvents the protection instantly. The httpd runs on Unix platform so every configuration directive is apparently case sensitive by default. Should the regular expressions in the Location directive work in this case? Could someone please show me an example of such configuration that should work? In case a regular expression can not be forced to work case insensitively, what part of httpd's source code should I go around modifying?

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• How to disguise a serverside mob as another?

  - by Shaun Wild

  I've been working a Minecraft sever mod and i want to be able to add a new entity to the server, but then make the server send the packets to the client, imitating another mob, for example.. Lets say say i have EntityPlayerNPC.class, what i want to do is have all of the packets that get sent to the client look like they are from that of another player which is on the player, therefore allowing me to add custom NPC's... Thinking about the theory i'm sure this can be done. I've tried looking around for where the packets are being sent from and whatnot, can anyone think up a solution? edit: i tried adding a new constructor to the Packet20NamedEntitySpawn class like so: public Packet20NamedEntitySpawn(String username, EntityLiving e){ this.entityId = 0; this.name = username; this.xPosition = MathHelper.floor_double(e.posX * 32.0D); this.yPosition = MathHelper.floor_double(e.posY * 32.0D); this.zPosition = MathHelper.floor_double(e.posZ * 32.0D); this.rotation = (byte)((int)(e.rotationYaw * 256.0F / 360.0F)); this.pitch = (byte)((int)(e.rotationPitch * 256.0F / 360.0F)); this.metadata = e.getDataWatcher(); } unfortunatley, that didn't work :(

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• How to keep TightVNC client on Windows XP alive when connected to OS X?

  - by craibuc

  I'm using TightVNC on my Windows XP workstations to connect to a remote OS X box (10.5.x) using OS X's VNC support. I've noticed that the TightVNC will become unresponsive after a period of inactivity. Is this a common issue? Restarting TightVNC solves the problem, but can be a bit annoying. Is there a solution to this? I don't suppose copy & paste between the two systems can be made to work?

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• Change Keybindings (hardware to software)

  - by Daniel

  I ran a search for this, but the answers I saw were referring to something altogether different than what I'm asking for. So let me clarify: I'm not asking how to change key-combo shortcuts. I'm asking--how do you actually change what your computer thinks you did when you press a given key? An example of what I mean (and the reason I'm asking). I'm a Chrome user, and I use Windows alongside Ubuntu. I own a Lenovo Thinkpad T61p--it came with my scholarship package, and I would have shopped for a nice computer if I could have. The T61p has two buttons above the left and right arrow keys that relate to browser commands to go back and forth one page. This is extremely frustrating for me, as I use the arrow keys, and a single accidental keystroke will catch me going back a page, losing temporary data, and yelling at my stupid keyboard. At the same time, I'm the type of person who keeps way too many tabs open. Chrome doesn't let me refigure keyboard shortcuts, and the only way it allows you to switch between tabs are ctrl+tab and ctrl+shift+tab, and ctrl+page up/down. I was using Notepad++, and they had finally found the solution to both problems! The page back and forth keys functioned as tab back and forth keys. I went through quite some effort to learn how to change the keybindings in Windows. The page back and page forward keys are now the page up and page down keys, respectively, and if I hit control, they let me switch tabs easily, and rather pleasantly. And if I hit the keys by accident, no harm, no foul. Alas, I'm in Ubuntu now, and I need to go through the process again. And while I couldn't just find the answer online, like I did for Windows, I know Ubuntu has nice, supportive communities like this one, where, hopefully, somebody can tell me how to do either what I did in Windows, or directly make it so that my computer changes tabs when I hit those buttons (removing the ctrl button from the tab-changing command).

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• Solutions for iOS collaborative sync (iCloud CoreData, CouchDB)?

  - by mluisbrown

  I'm developing an iOS app where one of the features will be allowing users to share and collaborate on data (e.g. lists). From everything I've read and based on the way that iCloud CoreData sync works I assume that it would not be a good fit for the following reasons, but I wanted to make sure I wasn't missing anything, as I'd prefer not to use a 3rd party syncing solution if at all possible: iCloud sync of any kind (CoreData, Document or Key / Value pairs) can only ever be between devices that use the same iCloud account, so it's designed for a single user syncing data over multiple devices. Any kind of collaborative sync (several people editing the same document / list) simultaneously would be limited to everyone have the same iCloud account. Cases of people sharing the same iCloud account is usually limited to, for example, husband and wife or similar close relationships for a small number of people. iCloud Core Data sync is for ensuring that each sync'd device has the same data. It doesn't seem to allow syncing just a subset of the data, so scenarios in which each user has their own documents and is only sharing / collaborating on a subset of them are not supported. And I'm not even mentioning the well document problems with iCloud CoreData syncing which may or may not have been resolved with iOS 7. Given the above, it would seem that CouchDB (with TouchDB) would be a better option, as it seems to support everything I need. What other options are there that people can recommend?

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• How can I test linkable/executable files that require re-hosting or retargeting?

  - by hagubear

  Due to data protection, I cannot discuss fine details of the work itself so apologies PROBLEM CASE Sometimes my software projects require merging/integration with third party (customer or other suppliers) software. these software are often in linkable executables or object code (requires that my source code is retargeted and linked with it). When I get the executables or object code, I cannot validate its operation fully without integrating it with my system. My initial idea is that executables are not meant to be unit tested, they are meant to be linkable with other system, but what is the guarantee that post-linkage and integration behaviour will be okay? There is also no sufficient documentation available (from the customer) to indicate how to go about integrating the executables or object files. I know this is philosophical question, but apparently not enough research could be found at this moment to conclude to a solution. I was hoping that people could help me go to the right direction by suggesting approaches. To start, I have found out that Avionics OEM software is often rehosted and retargeted by third parties e.g. simulator makers. I wonder how they test them. Surely, the source code will not be supplied due to IPR rgulations. UPDATE I have received reasonable and very useful suggestions regarding this area. My current struggle has shifted into testing 3rd party OBJECT code that needs to be linked with my own source code (retargeted) on my host machine. How can I even test object code? Surely, I need to link them first to even think about doing anything. Is it the post-link behaviour that needs to be determined and scripted (using perl,Tcl, etc.) so that inputs and outputs could be verified? No clue!! :( thanks,

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• Different versions of 2.5" drives? Unscreawing Intel 320 for slimmer drive to fit newer thinkpads?

  - by hhh

  My x60s laptops come with about 1-2mm heigher 2.5" HDD than newer x220 models. This is totally stupid when one would like to reuse the old drive in the newer laptops. I bought newer 2.5" 320 Intel SSDs and they seem to have such 1-2mm gap to unscrew but I am unsure whether it is meant for opening. Could someone instruct what to do here? Look the manufacturer has started changing the old good 2.5" drives into slightly different versions, now it means slow compability issues to fix or totally new 2.5" drives. Ideas how to proceed? Unscrewing newer 320 drives or are some other versions of 2.5" drives meant for x220? Does there exist some sort of racks to get drives working between different comps? Perhaps booting from laplink is currently the easiest solution to get things working when changing harddrives between comps? Perhaps related http://www.zdnet.com/blog/hardware/seagate-announced-super-slim-25in-momentus-thin-hard-drive/6439

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• Common Substring of two strings

  - by Chander Shivdasani

  This particular interview-question stumped me: Given two Strings S1 and S2. Find the longest Substring which is a Prefix of S1 and suffix of S2. Through Google, I came across the following solution, but didnt quite understand what it was doing. public String findLongestSubstring(String s1, String s2) { List<Integer> occurs = new ArrayList<>(); for (int i = 0; i < s1.length(); i++) { if (s1.charAt(i) == s2.charAt(s2.length()-1)) { occurs.add(i); } } Collections.reverse(occurs); for(int index : occurs) { boolean equals = true; for(int i = index; i >= 0; i--) { if (s1.charAt(index-i) != s2.charAt(s2.length() - i - 1)) { equals = false; break; } } if(equals) { return s1.substring(0,index+1); } } return null; }

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• How to make sure clients update their browser cache when my website is updated?

  - by user64204

  I am using the HTTP 1.1 Cache-Control header to implement client-side caching. Since I update my website only once a month I would like the CSS and JS files to be cached for 30 days with Cache-Control: max-age=2592000. The problem is that the 30-day period defined by Cache-Control doesn't coincide with the website update cycle, it starts from the moment the users visit the site and ends 30 days later, which means an update could occur in the meantime and users would be running with outdated content for a while, which could break the rendering of the website if for instance the HTML and CSS no longer match. How can I perform client-side caching of content for periods of several days but somehow get users to refresh their CSS/JS files after the website has been updated? One solution I could think of is that if website updates can be schedule, the max-age returned by the server could be decreased every day accordingly so that no matter when people visit the website, the end of caching period would coincide with the update of the website, but changing the server configuration every day goes against one of my sysadmin principles (once it's running, don't touch it).

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• Display CPU usage separately (without root privileges)

  - by synaptik

  I need to display the CPU usage for each processing core on a single shared-memory 12-core (SMP) machine. I don't have access to install htop, else I would simply use that. I don't need fancy graphs or meters, though they would be nice. For example, simply displaying: X X X X X X X X X X X X where each X is the percentage utilization of 1 of the 12 processing cores on my machine. FYI: I know I can simply look at the utilization in "top" and divide that number by the number of cores on my machine, but I prefer a solution that shows each core separately.

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• How can I logoff and go to stand-by via Win XP script?

  - by Peter

  I am looking for a way to write a script (of any sort) that would both log me off my local Windows account and also immediatedly put the computer to sleep / stand-by. I've found solutions that can do one or the other but not logoff and then sleep all in one script. The SHUTDOWN command doesn't offer this and I can't find any other options either. This is for Win XP, SP3 right now but someday soon I'll want a Windows 7 solution as well. Thanks for any ideas or an explanation as to why this isn't possible. :)

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• Any way to release focus on a KVM guest in virt-manager without having to click Ctrl_L + Alt_L?

  - by slm

  Is there a way to move my mouse in and out of a KVM guest in virt-manager without having to click to gain focus of the window and release focus by pressing Ctrl_L + Alt_L? EDIT #1 The guest VM is Win2008R2. I've tried this on a CentOS 5, 6, and Fedora 14 box running various versions of virt-manager and KVM and they all exhibit this behavior. EDIT #2 I just tried the solution recommended by @tpow and that appears to be the issue. Manually adding a tablet input device resolves the problem and I can now move the mouse in and out of the KVM guest without having to gain focus first.

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• College wifi works easily on Linux, but not on Windows

  - by user52849

  In Linux: After connecting to the college wifi, going to the network login page logging in, the internet works perfectly as it should. In Windows: After connecting to the college wifi, going to the network login page, logging in, Windows shows "Internet access" and the wireless icon turns white. But still after that, regardless of the browser being used, attempting to accessing any page just shows "Sending request". It does work though after a lot of tries, but only in intervals. But when running Ubuntu 11.10 in VirtualBox, it works properly just like booting in Ubuntu, even if it isn't working on Windows. The college wifi service is really crappy and has been unable to solve this problem. I'm pretty sure there should be a solution for this, but what? What is it that Ubuntu is doing right and Windows isn't? Windows settings set to "Automatically detect settings" and no proxy server used.

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• issues with ASUS S301L ultrabooks

  - by Wuerze

  I just like to tell you what still is a Problem in Ubuntu 14.04 and should be solved for a nice experience of this distribution. Unfortunately I do not have any hints to tell you, because I am just a user and know not much about programming. Anyway, I hope it helps. 1) Intel open source Graphics issues (proprietary) -when attaching HDMI-cable the screen switches to the external monitor and it's fine, but there is no switching back unless restart with HDMI deattached -black screen appears for like 2 seconds as if I would change screen in the settings; frequency increases with intensity of driver use (i.e. videos or video games) 2) hotkeys (commonly recognised) -there is no possibility to adjust brightness with the hotkeys (Fn+F5 and Fn+F6) 3) touchscreen (commonly recognised) -the touchscreen is behaving like a mouse -configuring gestures for the multi touch screen seems to always end in disabling touch pad gestures 4) panel symbols -battery symbol has got a low accuracy while it determines accurately the energy left; only 5 steps of energy are shown by the symbol Thank you all for participating in the solution of these problems! I will stay tuned and edit this list if something has been solved.

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• Could SQL Server 2008 replication be used with NLB to allow unlimited scaling of reporting servers?

  - by John Keranos

  We are currently using transactional replication in SQL Server 2008 to keep a secondary reporting server synchronized with a primary database server. This has been working weel and keeps some of the load off the primary server. Would it be possible to scale this solution to multiple reporting servers? We're expecting an increased load of read-only queries and it would be nice to be able to add reporting servers as needed. The general idea was the following: Each reporting server would use a "pull" subscription to get the data from the primary database publication. These reporting databases could be a couple of minutes behind the primary server without it being an issue. The reporting servers would be NLB'd together. All read-only queries would be directed to the NLB which should spread the load across the servers.

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• Missing swf plugin in Google Chrome [Ubuntu]

  - by Bakhtiyor

  How to play .swf file in Google Chrome? Because when I open .swf files it says Missing Plug-in. though when I open chrome://plugins it shows that it has Shockwave Flash plugin installed already. My OS is Ubuntu 10 and would be happy if some linux geek could suggest me solution of my problem. Thanks and sorry for stupid question. Update 1 Here is information about version of the applications I use: Chrome 5.0.375.70 (48679) Ubuntu Shockwave Flash 9.0 r999 Update 2 I have solved the problem by the following way: Opened Application Manager Synaptic Deleted all the packages concerning flash and swf Opened up Application Center Ubuntu Searched for flash It found Adobe Flash Plugin Installed that application

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• Can a UPS give off an EM field capable of interfering with desktop components?

  - by Magsol

  I own an APC Back-UPS ES 750; it's about 4 years old, and is the only major component remaining in a question that has been boggling me for the last 18 months. (Yep, I originally posted this question about the possessed desktop, and while I marked a solution and closed the question, a week later the same problem returned) I've tried plugging the desktop straight into the wall (but left the other components plugged into the UPS) and the desktop still froze. Is it possible that the EM field generated by the UPS is interfering with my desktop components and causing these otherwise-unpredictable system freezes? To me this sounds like a long shot, but aside from my twin LCD monitors, that just about takes care of all the major components.

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• Rendering 8 bit graphics

  - by Matjaz Muhic

  I have a strong programming background just not from game development. I only made some pong and snake in high school and I did some OpenGL in college. I want to make my own game engine. Nothing fancy just a simple 2D game engine. But because I'm kinda old school and feeling retro. I want graphics to look like old 8 bit games (megaman, contra, super mario, ...). So how were the old games made back then? I want the simplest approach. Were they also using assets (images) like newer engines now do? How do you achieve this kind of rendering using OpenGL? Keep in mind. Simplest solution. I want to know how it was made back then and how I can replicate that. Doesn't even have to be OpenGL. I can draw on window canvas. I do want to make it from scratch basically.

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