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• Restricting server.log file size (minecraft) in CentOS

  - by MisdartedPenguin

  I'm currently running a bukkit (minecraft) server which generates a server.log file with all the console messages / errors. Every now and then I have a plugin (which i need) that crashes and can cause the server.log file size to increase dramatically. I've had it hit 32GB before which used all my disk space. Is there a way to make it a rolling log (deletes old errors) or be able to limit the file size so it can't go above say 10MB. But the solution needs to not affect how the server runs so it doesn't throw an error when it can't write anymore. Anyway of doing this with CentOS?

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• Redirect websockets to port?

  - by DigitalMan

  So, I've got a WebSocket server in C++, that is a completely stand-alone entity - handles header parsing, receiving, sending, all of it on its own, listening directly to the port. Problem is, it needs to run on a server alongside Apache, and that's a bit of a problem. Now, there was a solution here to a similar issue involving mod_proxy, but I'm hoping I can intercept and redirect WebSocket communication before Apache even knows about it, possibly with iptables. So the question is, is it possible to direct traffic bound for chat.mysite.net to a WebSocket server on, say, port 8080, while anything else headed to mysite.net proceeds as expected to Apache?

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• taskbar hangs when opening a folder

  - by user23950

  Any one in here who has experienced this problem. The taskbar hangs whenever I: - Open a folder from a browser - Open a usb flash drive - Open a drive on my computer It really sucks, but the solution to the taskbar hangs because of opening flash drive is to remove the flash drive. Which is not safe because the file system of my flash drive is ntfs. And I can't just safely remove it because the taskbar doesnt respond when I click it. Do you know any solutions to this? Other than disabling the automatically search for printer in the folder options.

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• ubuntu 10.04 span window across workspaces

  - by jakerman999

  I'm using an old server machine as a linux box desktop, and as such I have a lot of power but not a lot of display options. I cannot increase my resolution past 800x600 and recently this has become just to small. I have mostly been able to workaround windows being to large for a workspace by moving them with the alt key, but I would like to use something a little more versatile. My plan is to have a setup where I can open a windows (say firefox) on the top-left workspace and then resize it so that it fills four workspaces in an emulated "wall of monitors" fashion. I already have my workspaces arranged like this, but I am not seeing any options for allowing programs/windows to exist on more than one workspace at a time, I know that what I am trying to accomplish is possible (or was at some point in time) because when I google my solution pages appear with people trying to do the opposite (windows already appear on more than one workspace and they dislike it). Any help is much appreciated.

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• sync two huge filesystems

  - by guettli

  I need to sync two huge file systems. Both sides run linux with full root access. My preferred solution: I can read the list of changed files and directories and sync only the changed files. Here are some solutions and why they don't fit: rsync: Needs to check recursively all files. There are some million files and only little changes. The check takes too long. unison: the same: needs to check all files. inotify: I need a handler for every directory and there too many. Inotify was not build for "watch all files" scenarios. DRDB: Both sides should run independent.

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• How to redirect a specific url through a proxy for multiple services?

  - by CrystalFire

  I have a website hosted on 000webhost.com for free. I am unable to connect directly to the site because Comcast has blocked a portion of 000webhost's servers for free accounts due to other people hosting malicious content. In order to maintain my website, I cannot use my computer to directly connect to the server. I am wondering if there is a way by which I can specifically forward attempts to access the server through a proxy, transparently. The current system that I am on is Windows, but I also have systems running Mac OSX and Linux, so solutions for any system could be fine. I've found answers which work for http, but I'm looking for a solution which will let me use all the other functions as well, such as ftp and ssh.

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• Sync 2 hard drives without being connected at the same time (Mac)

  - by Jef

  Hi, I've got a 2TB hard drive at home and one at work. I use my laptop to connect to them. I want these 2 hard drives to be exactly the same. But these hard drives will never be connected at the same time. Is this possible? It means that my laptop needs to track the changes AND copy all new files to its hard drive temporarily. My laptop should act as an intermediate between the 2 external hard drives. There are lots of syncing options if both drives are connected at the same time, but there seems to be no solution for my specific problem. Any ideas? FYI: I use a Mac.

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• Share files and catelog them across a server

  - by Ultan

  Hi all, here is what I am looking for, I use a number of software packages when creating online learning courses. I have a huge number of courses and they use text, audio files, images and video files. I am looking for somthing that I can install on our server and upload the content, index, tag and categorise and enter a description so that when a screen print has to be changed for example I can find all the places that I used the image so that I can go in and change the image without having to check every file that I have created over the last year. An open source solution would be great or something that isn't to expensive. Thank you for any suggestions you can make.

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• phpMyAdmin tried to connect to the MySQL server, and the server rejected the connection [closed]

  - by Sagar Thapaliya

  i have some problem i had skpe on my laptop and unfortunately skype used 80 port for network and wamp server 2.0 Apache Version : 2.2.10 PHP Version : 5.2.7 i changed the port of wamp server through Listen 12.34.56.78:80 Listen 80 Listen 12.34.56.78:80 Listen 8080 and i able to do somehow but i can't access the phpmyadmin please help me i hope i can get my solution from all of you soon my errors seems this i have mentioned downstairs below phpMyAdmin tried to connect to the MySQL server, and the server rejected the connection. You should check the host, username and password in your configuration and make sure that they correspond to the information given by the administrator of the MySQL server.

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• Temporarily disable window snapping in xfce4

  - by icyrock.com

  I'm using Xubuntu 12.04 and I can move windows by pressing Alt and then dragging a window. I have window snapping enabled via xfce4-settings-manager (Window Manager / Advanced tab / Snap windows to screen border). I like the snapping feature in general, however sometimes it gets in the way. Is there a way to temporarily disable snapping while doing this? Obviously I can open the settings manager, disable, move, enable, but I'm looking for a less intrusive solution, especially if there's something built in already (e.g. pressing Shift in addition to Alt to disable snapping or something along these lines) or a plugin of some sorts.

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• How to use Twitter4j With JSF2 for Login? [on hold]

  - by subodh

  I am trying to do login with Twitter and using Twitter4j for that and wrote this code In JSF <h:commandButton id="twitterbutton" value="Sign up with Twitter" action="#{twitterLoginBean.redirectTwitterLogin}" immediate="true" styleClass="twitterbutton"/> In ManagedBean public String redirectTwitterLogin() throws ServletException, IOException, TwitterException { HttpServletRequest request = (HttpServletRequest) FacesContext .getCurrentInstance().getExternalContext().getRequest(); HttpServletResponse response = (HttpServletResponse) FacesContext .getCurrentInstance().getExternalContext().getResponse(); Twitter twitter = TwitterFactory.getSingleton(); twitter.setOAuthConsumer(apiKey, apiSecret); RequestToken requestToken = twitter.getOAuthRequestToken(); if (requestToken != null) { AccessToken accessToken = null; BufferedReader br = new BufferedReader(new InputStreamReader( System.in)); while (null == accessToken) { try { String pin = br.readLine(); accessToken = twitter .getOAuthAccessToken(requestToken, pin); } catch (TwitterException te) { System.out .println("Failed to get access token, caused by: " + te.getMessage()); System.out.println("Retry input PIN"); } } request.setAttribute(IS_AUTHENTICATED, true); if (accessToken != null) { LOGGER.debug("We have a valid oauth token! Make the facebook request"); doApiCall(twitter, request, response); return null; } } else { LOGGER.debug("We don't have auth code yet, fetching the Authorization URL..."); String authorizationUrl = requestToken.getAuthorizationURL(); LOGGER.debug("Redirecting to the Authorization URL: {}", authorizationUrl); request.setAttribute(IS_AUTHENTICATED, false); redirect(authorizationUrl, response); return null; } return null; } In above code i want first Login window of twitter will show and then again same method will call and after user will login i can show user information userId,Handel,location etc. Redirect private void redirect(String url, HttpServletResponse response) throws IOException { String urlWithSessionID = response.encodeRedirectURL(url); response.sendRedirect(urlWithSessionID); } But this code is not working Can anyone tell better Solution for this ?

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• Separate update and render

  - by NSAddict

  I'm programming a simple Snake in Java. I'm a complete newbie when it comes to Java and Game Developing, so please bear with me ;) Until now, I have been using a UI thread, as well as a update-thread. The update thread just set the position, set the GameObjects, and so on. I didn't think much of concurrency, but now I've come to a problem. I wanted to modify the ArrayList<GameObject>, but it throws a java.util.ConcurrentModificationException. With a little research I found out that this happens because the two threads are trying to access the variables at the same time. But I didn't really find a way to prevent this. I thought about copying the array and swapping them out when the rendering is finished, but I would have to deep-copy them, which isn't really the best solution in my opinion. It probably eats up more CPU resources than a single-threaded game. Are there any other ways to prevent this? Thanks a lot for your help!

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• ASP.Net MVC 3: multiple versions of the site without changing of URL, is it possible?

  - by Seacat

  Our website is written in ASP.NET MVC 3 and we want to change a feature in the core functionality of the site. The problem is not every client can be moved to this new version/format (because of some technical inner restrictions) so it means that we need to keep 2 versions of the same functionality (backend and frontend) simultaneously. We don't want our clients to worry about URLs, so the ideal solution would be keep the same URL but redirect clients to the different versions. The information about clients is stored in database. So the moment when user (client) logs in we know which version of site we should show. I'm thinking about routing and areas but I'm not sure if it's possible for example to have 2 areas with the different versions of the same application. Or is it possible to load the assemblies on the fly? After user is logged in we can decide if (s)he should be redirected to the new or old version. As far as all the clients have been moved to the new version we don't need this system more. How can I do this in ASP.NET MVC?

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• svn client timeout on windows 7 64 bit

  - by nopuck4you

  I upgraded my PC to Windows 7 64 bit Home Premium - clean install. Since then I've tried to install the following SVN clients: Tortois 1.6.6 64bit and 32bit, Tortois 1.6.5 64bit, SlikSVN, SmartSVN, and a couple others. None of them will connect to ANY remote SVN repository. Note: Everything works correctly when I plug in my old Vista HD with Tortoise 1.6.6 client installed. Therefore, I do not suspect the network per se. I've seen some posts around with people running into similar issues on Windows 7 64bit but I've yet to see an actual answer/solution to the problem.

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• Moving sprite from one vector to the other

  - by user2002495

  I'm developing a game where enemy can shoot bullets towards the player. I'm using 2 vector that is normalized later to determine where the bullets will go. Here is the code where enemy shoots: private void UpdateCommonBullet(GameTime gt) { foreach (CommonEnemyBullet ceb in bulletList) { ceb.pos += ceb.direction * 1.5f * (float)gt.ElapsedGameTime.TotalSeconds; if (ceb.pos.Y >= 600) ceb.hasFired = false; } for (int i = 0; i < bulletList.Count; i++) { if (!bulletList[i].hasFired) { bulletList.RemoveAt(i); i--; } } } And here is where i get the direction (in the constructor of the bullet): direction = Global.currentPos - this.pos; direction.Normalize(); Global.currentPos is a Vector2 where currently player is located, and is updated eveytime the player moves. This all works fine except that the bullet won't go to player's location. Instead, it tends goes to the "far right" of the player's position. I think it might be the problem where the bullet (this.pos in the direction) is created (at the position of the enemy). But I found no solution of it, please help me.

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• how to manage a multi user server on linux?

  - by user1175942

  I'm working on a university project, where I have Tomcat as a web server, and I want to create a multi user environment on top of linux, so every user that logs into my website has his own credentials, and he can access only his own data (files and folders...). The main issue is that the purpose of the website is executing code on the server-side, so I must have a good (reasonable) protection against malicious code. (a user destroying his own user is fine by me) I thought that defining a linux-user for every website-user is the best solution - it isolates each user from the other, and I can define each one's permissions. Can I create users in linux using shell commands? Can I configure max quota/memory/cpu for a user? Anyone has another idea for managing that kind of multi-user environment?

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• windows symbolic file links arn't followed through network access

  - by fpdragon

  I have a server with win7 and a big share on C:\share In this share there are many symbolic links to files on other local disks like C:\share\file.txt(symlink) <- D:\file.txt I can access the file over: C:\share\file.txt \server\share\file.txt but if I try to access from an other pc I can't open the file. I'm able to delete, rename ... the link but it seems that the symbolic link isn't processed by the server. Can I change something with cifs to make this work? I already checked the acls of the link and the file and set them to allow everybody everything. I also can access the file with d$. Hope there is a solution...

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• Dumb Terminals, Virtual Desktop

  - by user67714

  I need some help in setting up a dumb-terminal type concept for Windows machines. We have a computer lab with 40 computers, all of them are ageing. Unfortunately, we don't have enough funds to get all of them replaced. On the other side, we have very powerful rack servers which are quite underutilized. I was thinking of a solution which would enable those lab computers to use the rack servers. Remote desktop is an option, but I wanted something that is more transparent to the end user. Are there any free or low cost solutions for such an scenario?? Thanks

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• Which IMAP servers support both messages and subfolders in a folder?

  - by user43516

  Hi, I currently have a POP server for email, which is delivered to a Thunderbird client. This Thunderbird client stores email locally into a hierarchy of subfolders containing both emails and subfolders. I now want to access this locally stored email from other clients. My first solution was to create an IMAP mailbox and move all the messages to the IMAP server. I wasn't able to do it because my IMAP server refused to create subfolders in folders already containing email. As the original hierarchy is quite complex, I can't modify it to try to get along with this limitation. Are there any Linux IMAP server that would accept having both messages and subfolders in a folder?

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• Redirect specific e-mail address sent to a user, to another user.

  - by Michael Pasqualone

  I need to redirect e-mail within our MTA when the two following criteria are both true: When an e-mail is: Sent from: [email protected] Addressesd to: [email protected] Result: redirect e-mail to [email protected]. I don't want to catch *@isp.com and redirect, and I don't want to redirect all e-mail addressed to [email protected] but only redirect when [email protected] sends [email protected] an e-mail. How do I achieve this within Postfix's configuration. And if it's not possible within Postfix, what may be the best solution?

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• iTunes for Ubuntu Studio

  - by soundblastdj

  I have finally gotten my old Mac HDD sorted out, and now I would like to know if anybody has either: a) a way to run iTunes without wine, as it did not work out well for me the last time I tried it, or b) any other media player that will sync with an iPod and, more importantly, use the same file system. When my Mac died, I started to get into open source. I bought a MacBook Air, only out of necessity. For almost two years now, I have not once backed up or synced my iPod. I am getting nervous that it may give up on it's life soon and would like to find a solution. I don't have enough room on my Air, and it would just erase my iPod anyway... Another thing that I am having trouble with is the way iTunes arranged the music. Now, it is arranged all by artist, then album, the song and I would like to have a media library, but somewhere around 400GB of music is a lot to sift through (I have attempted in the past). Thus I am looking for something that will use the same library format. A side note: As I was writing this I started to wonder; Is a Hackintosh in order here? If somebody will give me instructions on how to install MacOSX for free (maybe Mavericks?) in a dual boot with Ubuntu, I will be ever grateful. :) Thanks, soundblastdj

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• C# calendar needs Business Logic for real-time reminders? [on hold]

  - by lazfish

  I am not a super experienced C# user, though I have some experience in .Net and VB.Net. Just got this new job and my first assignment is a mission critical part of the business. It is pretty important I get it right so I was hoping for some sage advice. We have created a calendar using jQuery, C#, .Net & SQL Server 08. The calendar works but now we are wanting to add email, SMS and voice-call reminders. We are a small company and can do whatever we need to do with no restrictions on our IT environment. I have some base-line experience with Unix servers but would prefer to stay in the Micro$oft universe if it is prudent to do so. I know how to add the API calls and services to initiate these reminders (using built in email services for email and Twilio.com for SMS). I am asking for advice about how to approach a reliable and timely listener service that knows when to call the service or API for the reminder before an appointment. EG. SMS: "You have a conference call in 30 minutes." I have done some research, but it is hard to know what is a proven reliable approach. What I am looking for is an experienced opinion on a good (or the best) strategy for implementing a solution that will reliably listen for appointments and dispatch the reminders when needed.

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• Command-line tool to search for file names on offline backup drives

  - by halloleo

  I am looking for an open-source (command-line) tool to register and search all my (backup) drives on a file name level. I want to search for file and folder names preferably written as regular expressions or file glob patterns. The external drives contain just normal HFS and NTFS filesystems. The backups are done via direct file copy. Requirement is that the tool compiles on OS X and works without each of the drives attached, but rather pointing me to the drive in case a drive contains a file with the pattern I searched for. At the moment I use a hand-knit script solution with locate databases, one for each external backup drive, but this is rather cumbersome, because locate itself can accesses only one database at a time and does not contain any management system for all the indices/databases. Are there any other tools out there for this?

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• Load-balance with LAN and Wi-Fi

  - by Synox

  I have a Mac, which runs Mac OS X 10.6 or Ubuntu 9.10 or Windows XP (Multiboot). Solution can be for any of the systems, whatever works better. I have two ISPs, one can be accessed via Wi-Fi, one can be accessed via LAN. In Mac OS X I can define the priority, which network to choose first. But what I wish to do is to load-balance with both networks. I don't want to buy extra hardware. I have some unused Wi-Fi routers if this would help. Compiling and configuring programs in Linux is no problem for me. Similar question: Load balancing with multiple gateways

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• New mainboard with 890GX chipset disables lightdm, even when using old graphics card instead of onboard graphics, startx works (Xubuntu 12.04)

  - by user99250

  I am trying to migrate an installed Xubuntu 12.04 to a new mainbaord with 890GX chipset. The Chipset has a built-in Radeon HD 4290 graphics. The system boots, but X won't start. The most suspicious message in Xorg.0.log is "ddxSigGiveUp: Closing log". When searching for this message, I found some answers like "remove your xorg.conf" (but there is none on my system). Or bug reports for fglrx (but that's not installed on my system). Or NVidia-related questions ... Interestingly, "startx" succeeds in opening a basic XFCE session. Then, I tried to disable the onboard graphics in the BIOS setup and use the old PCIe graphics card (Radeon HD 5450). No change. I don't think I can just blacklist a module, because the graphics card and the onboard graphics are covered by the same module. At the moment, use the free radeon drivers, not the restricted fglrx driver. If possible, I would like to stay on the free driver for two reasons: The fglrx driver from the ubuntu packages fails to build the kernel module. In past, I had bad experiences with the fglrx driver and changing screen config with RandR. When I connect the harddisk and the graphics card to my old mainboard, everything works again. This means, I have not screwed up my system configuration wile installing and removing the fglrx drivers. When I ordered this mainboard, I thought the 890GX is old enough to be supported and if not, I could still use my graphics card as backup solution. But without even the backup soluton, I'm screwed ... Any ideas ? Thanks and Regards, Kubuntu-Man (now switched to Xubuntu)

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