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  • Is it common to only pay developers for the time they said a project would take?

    - by BAM
    I work at a small startup (<10 people), and I was recently assigned (along with one other developer) to a relatively small project. The project involved moving an existing iOS app to Android. The client told us they had built the app for iOS in 300 man-hours. Not knowing at the time that this figure was completely false, we naively and optimistically assumed that if they could build the app from scratch in that amount of time, we could easily "port" it in a similar amount of time. Therefore, we drafted up a fixed-price contract based on 350 man-hours, with a 5 week deadline. (We are well aware now of how big of a mistake this was... Never let the client tell you how long it's going to take!) Anyway, by week 4 we had already surpassed our 350 hours, and we estimated that there were at least 2 more weeks left on the project. We were told to continue working, but that the company could not afford to pay out on overdue projects anymore. I thought this just meant "be more careful about estimates in the future". However a few weeks later, the company president informed us that we would not be getting paid for any time past 350 man-hours. We argued over the issue for almost an hour. He claimed, however, that this is standard practice for many organizations, and that I was unreasonable for making a big deal out of it. So is this really a common thing, or am I justified in being upset about it? Thanks in advance for any advice!

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  • Tomcat + Spring + CI workflow

    - by ex3v
    We're starting our very first project with Spring and java web stack. This project will be mainly about rewriting quite large ERP/CRM from Zend Framework to Java. Important factor in my question is that I come from php territory, where things (in terms of quality) tend to look different than in java world. Fatcs: there will be 2-3 developers, at least one of developers uses Windows, rest uses Linux, there is one remote linux-based machine, which should handle test and production instances, after struggling with buggy legacy code, we want to introduce good programming and development practices (CI, tests, clean code and so on) client: internal, frequent business logic changes, scrum, daily deployments What I want to achieve is good workflow on as many development stages as possible (coding - commiting - testing - deploying). The problem is that I've never done this before, so I don't know what are best practices to do this. What I have so far is: developers code locally, there is vagrant instance on every development machine, managed by puppet. It contains the same linux, jenkins and tomcat versions as production machine, while coding, developer deploys to vagrant machine, after local merge to test branch, jenkins on vagrant handles tests, when everything is fine, developer pushes commits and merges jenkins on remote machine pulls commit from test branch, runs tests and so on, if everything looks green, jenkins deploys to test tomcat instance Deployment to production is manual (altough it can be done using helping scripts) when business logic is tested by other divisions and everything looks fine to client. Now, the real question: does above make any sense? Things that I'm not sure about: Remote machine: won't there be any problems with two (or even three, as jenkins might need one) instances of same app on tomcat? Using vagrant to develop on php environment is just vise. Isn't this overkill while using Tomcat? I mean, is there higher probability that tomcat will act the same on every machine? Is there sense of having local jenkins on vagrant?

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  • Suggestions on providing HA access to an external (fibre) RAID subsystem

    - by user145198
    We are looking at upgrading our storage capacity with an external RAID subsystem that has redundant (2) fibre controllers, each controller has 4 x 8 Gbps fibre ports. I would like to make access to this storage system occur via HA Linux. Ideally I would connect 2 fibre ports from each controller into each Linux server, and then export either NFS or iSCSI via a 10 Gbe interface. I have seen plenty of references to DRBD, however all of those references tend to use block storage that is solely attached to each machine, rather than having a shared block storage device, so I am unsure if DRBD could (or should) be used in this case. Ideas?

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  • canvas tile grid, hover effects, single tilesheet, etc

    - by user121730
    I'm currently in the process of building both the client and server side of an html5, canvas, and WebSocket game. This is what I have thus far for the client: http://jsfiddle.net/dDmTf/7/ Current obstacles The hover effect has no idea what to put back after the mouse leaves. Currently it's just drawing a "void" tile, but I can't figure out how to redraw a single tile without redrawing the whole map. How would I go about storing multiple layers within the map variable? I was considering just using a multi-dimensional array for each layer (similar to what you see as the current array), and just iterating through it, but is that really an efficient way of doing it? Side note The tile sheet being used for the jsfiddle display is only for development. I'll be replacing it as things progress in the engine. I hope you can help! Hopefully you guys can help me, I've been struggling to get through things, since I'm learning how things kind of stuff works as I go. If you guys have any pointers for my JavaScript, feel free. As I'm more or less learning advanced usage as I go, I'm sure I'm doing plenty of things wrong. Note: I will continue to update this post as the engine improves, but updating the jsfiddle link and updating the obstacles list by striking things that have been solved, or adding additions. Thanks!

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  • Limit number of simultaneous connections squid makes to a single server

    - by Ben Voigt
    Note: I am asking about outbound concurrent connection limits, not inbound, which is sufficiently covered on existing questions Modern browsers typically open a large number of simultaneous connections, to take advantage of the fact that TCP fairly shares bandwidth between connections. Of course, this doesn't result in fair sharing between users, so some servers have started penalizing hosts which open too many connections. This limit can be configured client-side (e.g. IE MaxConnectionsPerServer, Firefox network.http.max-connections-per-server), but the method differs for each browser and version, and many users aren't competent to adjust it themselves. So we turn to a squid transparent HTTP proxy for central management of HTTP download. How can the number of simultaneous connections from squid to a remote webserver be limited, so the webserver doesn't perceive it as abuse of concurrent connections? Ideally the limit would be per source address. Squid should accept virtually unlimited concurrent requests from the client browser, and issue them sequentially to the remote server, only N at a time, delaying (but not dropping) the others.

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  • Is there a precedent for the license on a compiler restricting the kind of development you can use it for?

    - by Jim McKeeth
    It was recently let slip that the new EULA for Delphi XE3 will prohibit Client Server development with the Professional edition without the additional purchase of a Client Server license pack. This is not to say the Professional version will lack the features, but the license will specifically prohibit the developer from using the compiler for a specific class of development, even with 3rd party or home grown solutions. So my question is if there is a precedent of a compiler or similar creative tool prohibiting the class of work you can use it for. Specifically a commercially licensed "professional" tool like Delphi XE3. Also, would such a restriction be legally enforceable? I know there have been educational edition or starter edition tools in the past that have restricted their use for commercial purposes, but those were not sold as "professional" tools. Also I know that a lot of computing software and equipment will have a disclaimer that it is not for use in "life support equipment" or "nuclear power" but that is more of avoiding liability than prohibiting activity. Seems like I recall Microsoft putting a restriction in FrontPage that you couldn't use it to create a web site that reflected poorly on Microsoft, but they pulled that restriction before it could be tested legally.

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  • Why am I getting 'undefined method' exceptions when executing 'run_list add', 'run_list remove' and 'rackspace server delete'?

    - by Peter Groves
    [Originally posted this to opscode forum, got no response] I’m testing out a free hosted chef-server account and multiple subcommands are failing with ‘Unexpected Errors’. Perhaps my version and the server version are incompatible? OS: Ubuntu 12.04LTS Local Chef: 10.12.0 (Installed through gem) Local Ruby: 1.8.7 Also, the workstation machine has been manually configured, but the client(s) I’ve been experimenting with are launched with the Rackspace plugin (using ‘knife rackspace server create…’) The problem commands seem to fail when talking to the host chef-server, however, before it ever tries to modify the client, so I don’t believe that’s where the problem exists. The virtual-servers that are launched by ‘knife rackspace server create’ are launched properly but then deleting them with knife fails. If I include a recipe in the run_list when I create the server, the recipe is properly added to the run_list. If I try to add it later or remove the one that there server was initialized with, those commands fail. Here is the output of a few relevant commands (with stacktraces): https://gist.github.com/7100ada3fd6690113697

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  • Use teamviewer for running web server [closed]

    - by Steve
    I have a PC behind NAT. I want to host a web server on it which is accessible from the internet. I cannot open any blocked ports nor do i have admin rights on the computer. But it has a teamviewer client running on it 24*7 to which i do have access(no vpn installed). I can accesss this client from anywhere using teamviewer. I want to know if somehow i can use teamviewer to get a ip/hostname that is accessible from the internet and host a webserver. Also is it possible to get an ip if i get admin access but without opening ports.

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  • Solution to Manage and Monitor (Ubuntu) Machines

    - by Elmar Weber
    I'm looking for a tool like Canonical (system management and monitoring for Ubuntu) that is Open Source and free. The goal is to manage a dozen or so KVM machines for private testing purposes. I know of puppet and munin or RHQ as separate tools to manage and monitor, but I'd prefer something integrated. Any tips? Basic requirements would be: system package management and update (individual selection for each managed node) configuration of basic system services (Users, NFS, cron, ideally also Apache) monitoring (charting of system resources, disk, io, memory, etc) and alerting, ideally a default configuration with sensible values for alerts

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  • rsync osx to linux

    - by Nick
    I did a backup to a remote nfs folder with rsync, from a MAC to a Remote Debian. The final backup is 58GB less than the original. Rsync says that everything was OK, and nothing to update. Macintosh:/Volumes/Data1 root# du -sh Produccion/ 319G Produccion/ root@Disketera:/mnt/soho_storage/samba/shares# du -sh Produccion/ 260G Produccion/ can I trust in rsync? I'm using rsync -av --stats /Volumes/Data1/Produccion/ /mnt/red/ (/mnt/red is my samba mountpoint) Some differents folders root@Disketera:/mnt/soho_storage/samba/shares/Produccion/tiposok# du -sh * 0 IndoSanBol 0 IndoSans-Bold 0 IndoSans-Italic 0 IndoSans-Light 0 IndoSans-Regular 40K PalatinoLTStd-Black.otf 40K PalatinoLTStd-BlackItalic.otf 40K PalatinoLTStd-Bold.otf 44K PalatinoLTStd-BoldItalic.otf 44K PalatinoLTStd-Italic.otf 40K PalatinoLTStd-Light.otf 40K PalatinoLTStd-LightItalic.otf 40K PalatinoLTStd-Medium.otf 40K PalatinoLTStd-MediumItalic.otf 56K PalatinoLTStd-Roman.otf 12K TCL IndoSans_mac Macintosh:/Volumes/Data1/Produccion/tiposok root# du -sh * 36K IndoSanBol 40K IndoSans-Bold 36K IndoSans-Italic 36K IndoSans-Light 36K IndoSans-Regular 40K PalatinoLTStd-Black.otf 40K PalatinoLTStd-BlackItalic.otf 40K PalatinoLTStd-Bold.otf 44K PalatinoLTStd-BoldItalic.otf 44K PalatinoLTStd-Italic.otf 40K PalatinoLTStd-Light.otf 40K PalatinoLTStd-LightItalic.otf 40K PalatinoLTStd-Medium.otf 40K PalatinoLTStd-MediumItalic.otf 56K PalatinoLTStd-Roman.otf 160K TCL IndoSans_mac

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  • Why does m4 error "linux-gnu.m4 - No such file or directory" appear the first time after updating sendmail.mc?

    - by Mike B
    SendMail 8.14.x | CentOS 5.x I've noticed that if I manually update /etc/mail/sendmail.mc (for example, enable TLS support), and then bounce sendmail, I get the following error: Shutting down sm-client: [ OK ] Shutting down sendmail: [ OK ] Starting sendmail: sendmail.mc:18: m4: cannot open `/usr/share/sendmail-cf/ostype/linux-gnu.mf': No such file or directory [ OK ] Starting sm-client: [ OK ] This only happens one time after I update a sendmail.mc file. If I bounce sendmail again (without making any other change), I don't see the error any more. Any idea why this happens? It doesn't cause any errors - I'm just curious.

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  • Implementing new required feature after software release

    - by TiagoBrenck
    Fake Scenario There is a software that was released 1 year ago. The software is to map and register all kind of animals on our planet. When the software was released, the client only needed to know the scientific name of the animal, a flag if it is in risk of extinction and a scale of dangerous(that is a fake software and specification, I don't want to discuss this here). There are already 100.000 animals records saved on DB. New Feature One year later, the client wants a new feature. It is really important to him to know the animals classes, and this is a required field. So he asks me to put a field to input the animal class, and this field is required. Or maybe where this animal was discovered. Problem I have already 100.000 recorded animals without a class or where it was discovered, but I need to insert a new column to storage this information and this column can't be null. I don't have a default value for this situation (there isn't a default animal class or where it was discovered). I don't want to keep the requirement rule only on my software, my DB must have this requirement too(I like to keep business rules on DB too). What are the alternatives to solve this situation? I am on a situation that this new feature cannot be previewed or reviewed for the existing records. The time already passed and I can't go back on time to get it

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  • Rsync and Windows 7

    - by Nate
    Can someone give me any tips on setting up some sort of Rsync server/client on Windows 7 to run rsync between both my web hosting server, and a backup server that I have running Ubuntu? I've tried setting it up with this tutorial: http://www.youtube.com/watch?v=CvwdkZLNtnA Using copssh, and cwrsync. Ran into all sorts of troubles, including not being able to get cwrsync to run (it installs properly, but never starts up), and copssh not generating the keys at all. The guy was running Windows Server 2003, though, so I'm guessing the problems could just be because I'm running Windows 7. I've been trying to set it up with my Windows machine being the rsync server, and then Ubuntu and my webhosting VPS as the clients, but I realize it may be easier (and make more sense) to just setup the rsync server on Ubuntu, and then an rsync client on Windows 7? Can anyone point me in the right direction? I'm thinking of using this guide: http://www.gaztronics.net/rsync.php It seems a bit outdated, though.

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  • How to plan/manage multi-platform (mobile) products?

    - by PhD
    Say I've to develop an app that runs on iOS, Android and Windows 8 Mobile. Now all three platforms are technically in different program languages. The only 'reuse' that I can see is that of the boxes-and-lines drawings (UML :) charts and nothing else. So how do companies/programmers manage the variation of the same product across different platforms especially since the implementation languages differ? It's 'easier' in the desktop world IMO given the plethora of languages and cross-platform libraries to make your life easier. Not so in the mobile world. More so, product line management principles don't seem to be all that applicable - what is same and variant doesn't really matter - the application is the same (conceptually) and the implementation is variant. Some difficulties that come to mind: Bug Fixing: Applications maybe designed in a similar manner but the bug identification and fixing would be radically different. A bug on iOS may/may-not be existent for that on Android. Or a bug fix approach on one platform may not be the same on another (unless it's a semantic bug like a!=b instead of a==b which would require the same 'approach' to fixing in essence Enhancements: Making a change on one platform would be radically different than on another Code-Design Divergence: They way the code is written/organized, the class structures etc., could be very different given the different implementation environments - leading to further reuse of the (above) UML models. There are of course many others - just keeping the development in sync and making sure all applications are up to the same version with the same set of features etc. Seems the effort is 3x that of a single application. So how exactly does one manage this nightmarish situation? Some thoughts: Split application to client/server to minimize the effect to client side only (not always doable) Use frameworks like Unity-3D that could take care of the cross-platform problem (mostly applicable to games and probably not to other applications etc.) Any other ways of managing a platform line? What are some proven approaches to managing/taming the effects?

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  • Is mumble safe (privacy wise)?

    - by AnonymousLurker
    When chatting on IRC, it is possible to leak data like OS, CPU type if the IRC client happens to leak it in VERSION string. Anybody doing /CTCP VERSION can see it. Same about timezone (/CTCP TIME). This can be mitigated by turning replies to CTCP queries off. Also, IP address is leaked to others (/whois nickname will show it if it's not cloaked). By analogy, does the mumble client expose such sensitive data to others that are connected to the same server? If it does, what are the ways to mitigate this?

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  • SSH connection falling down

    - by kappa
    I've set up a connection with autossh that creates some tunnels at system startup, but if I try to connect, after successful login (with RSA key) connection fall down, here a trace: debug1: Authentication succeeded (publickey). debug1: Remote connections from LOCALHOST:5006 forwarded to local address localhost:22 debug1: Remote connections from LOCALHOST:6006 forwarded to local address localhost:80 debug1: channel 0: new [client-session] debug1: Requesting [email protected] debug1: Entering interactive session. debug1: remote forward success for: listen 5006, connect localhost:22 debug1: remote forward success for: listen 6006, connect localhost:80 debug1: All remote forwarding requests processed debug1: Sending environment. debug1: Sending env LANG = it_IT.UTF-8 debug1: Sending env LC_CTYPE = en_US.UTF-8 debug1: client_input_channel_req: channel 0 rtype exit-status reply 0 debug1: client_input_channel_req: channel 0 rtype [email protected] reply 0 debug1: channel 0: free: client-session, nchannels 1 Transferred: sent 2400, received 2312 bytes, in 1.3 seconds Bytes per second: sent 1904.2, received 1834.4 debug1: Exit status 1 What can be the problem? All this stuff is managed by a script already running on another machine (creating reverse tunnels on the same machine but with different ports)

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  • Most suited technology for browser games?

    - by Tingle
    I was thinking about making a 2D MMO which I would in the long run support on various plattforms like desktop, mac, browser, android and ios. The server will be c++/linux based and the first client would go in the browser. So I have done some research and found that webgl and flash 11 support hardware accelerated rendering, I saw some other things like normal HTML5 painting. So my question is, which technology should I use for such a project? My main goal would be that the users have a hassle free experience using what there hardware can give them with hardware acceleration. And the client should work on the most basic out-of-the-box pc's that any casual pc or mac user has. And another criteria would be that it should be developer friendly. I've messed with webgl abit for example and that would require writing a engine from scratch - which is acceptable but not preferred. Also, in case of non-actionscript, which kind language is most prefered in terms of speed and flexability. I'm not to fond of javascript due to the garbage collector but have learned to work around it. Thank you for you time.

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  • Ubuntu 12.04 - syslog showing "SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled"

    - by Tom G
    I have been seeing these random logs in syslog on our production system. There is no XFS setup. Fstab only shows local partitions, only EXT3 . There is nothing in crontabs either. The only file system related package I have installed is 'nfs-kernel-server' Kernel version is 3.2.0-31-generic . kernel: [601730.795990] SGI XFS with ACLs, security attributes, realtime, large block/inode numbers, no debug enabled kernel: [601730.798710] SGI XFS Quota Management subsystem kernel: [601730.828493] JFS: nTxBlock = 8192, nTxLock = 65536 kernel: [601730.897024] NTFS driver 2.1.30 [Flags: R/O MODULE]. kernel: [601730.964412] QNX4 filesystem 0.2.3 registered. kernel: [601731.035679] Btrfs loaded os-prober: debug: running /usr/lib/os-probes/mounted/10freedos on mounted /dev/vda1 10freedos: debug: /dev/vda1 is not a FAT partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/10qnx on mounted /dev/vda1 10qnx: debug: /dev/vda1 is not a QNX4 partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/20macosx on mounted /dev/vda1 macosx-prober: debug: /dev/vda1 is not an HFS+ partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/20microsoft on mounted /dev/vda1 20microsoft: debug: /dev/vda1 is not a MS partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/30utility on mounted /dev/vda1 30utility: debug: /dev/vda1 is not a FAT partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/40lsb on mounted /dev/vda1 debug: running /usr/lib/os-probes/mounted/70hurd on mounted /dev/vda1 debug: running /usr/lib/os-probes/mounted/80minix on mounted /dev/vda1 debug: running /usr/lib/os-probes/mounted/83haiku on mounted /dev/vda1 83haiku: debug: /dev/vda1 is not a BeFS partition: exiting os-prober: debug: running /usr/lib/os-probes/mounted/90bsd-distro on mounted /dev/vda1 83haikuos-prober: debug: running /usr/lib/os-probes/mounted/90linux-distro on mounted /dev/vda1 os-prober: debug: running /usr/lib/os-probes/mounted/90solaris on mounted /dev/vda1 os-prober: debug: /dev/vda2: is active swap Why would this randomly show up? This also spawns multiple "jfsCommit" processes.

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  • Nginx proxy to Apache - resolve HTTP ORIGIN

    - by Fratyr
    I have a server setup with nginx serving static content and proxy all PHP/dynamic requests to apache on 127.0.0.1 I'm building an API for my databases, and I need to allow clients by their origin (domain name), rather than just IP. Based on CORS rules. So when I send an HTTP header header("Access-Control-Allow-Origin: www.client-requesting.myapi.com"); from my API server, I have to tell it which origin I allow, otherwise client side requests won't work to my API due to same-origin policy. The question is how can I know which domain name (if any) called my API? What should be the nginx and apache configuration to pass the origin parameter? I tried to google, and all I found is some possible solution with mod_rpaf, but I wanted to be sure. Thanks!

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  • Google Analytics unexplained spike

    - by Dianne
    My client's Google Analytics has had a spike everyday from May 6th (from 0 - 100.) This is in a city that he is not optimized for and does very little business in. The hits are coming in direct to the website. My client is concerned that it has something to do with competition using his site as a price shopping device. I can't view the ip to see where they are coming from and his site is not built in PHP so the work around doesn't work here. Any thoughts? Could it be a "referring site" situation and if so is there a way for me to find out what the referring site is?

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  • Chef cookbooks marked as executed

    - by Gonzalo Alvarez
    I have setup a Chef server in our network that I use to manage several nodes. These nodes have a chef-client installed executing as a daemon every X minutes. The problem is that every time the client runs, it executes the recipes for all the cookbooks, even those previously executed, so it consumes resources and sometimes it even breaks thinks (with services restarts, for example). I know that I can avoid executing a piece of code or a recipe I create as detailed here: Prevent chef recipe from executing previously executed action? but, would this mean that I should modify any cookbook that I download from the opscode repository. In other words, is it possible to make the chef server (or the clients) to mark the cookbooks as 'executed' as soon as they are executed the first time?

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  • Allowing access to MPD from local network

    - by August Karlstrom
    I have successfully installed MPD (Music Player Daemon) on my desktop computer. Everything works fine when the client runs on the same machine as the server. Now I would like to access MPD from my laptop computer which is connected (wirelessly) to the local network. In order to allow access to MPD from any computer on the local network I have added this line to /etc/hosts.allow: mpd: .local and restarted MPD. Still I get the message "error: Connection refused" when I try to access MPD with MPC (Music Player Client) from my laptop. Any clues or troubleshooting hints?

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  • Error on error log

    - by Ryan Murphy
    I am trying to use zend framework 2, i follow these instructions on centos6 via ssh. http://framework.zend.com/manual/2.0/en/user-guide/skeleton-application.html and when trying to start my website up, it gives an error, i go to the error log and i get this. [Sun Jun 30 16:02:17 2013] [error] [client 109.217.190.75] SoftException in Application.cpp:357: UID of script "/home/mydomain/public_html/public/index.php" is smaller than min_uid [Sun Jun 30 16:02:17 2013] [error] [client 109.217.190.75] Premature end of script headers: index.php What do they mean, how I fix them?

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  • Optimal Instance Size for EC2 Sharepoint Server

    - by Rob Wilkerson
    I'm surprised that I can't find any info about this, but I'm not a Windows admin and just a novice EC2 user. I have a client who wants to stand up a Sharepoint server on EC2 for internal use. The team is small (10-20) folks and traffic will be light. Mostly, the client is looking for one place to store documents (and revisions of documents) while making access easy for authenticated users anywhere in the world. They've settled on Sharepoint and have other EC2 instances so that seems like the natural fit, but I'm trying to figure out what to recommend for them. I'm currently thinking about a Medium instance. I'm afraid to go smaller because I think Windows would need a fair amount of memory just to run, but I'm very open to suggestions. Any advice would be much appreciated. I expect that the storage itself would happen in an EBS mount, but again, suggestions welcome. Thanks for your input.

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