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• How to safely back up the "Private" folder?

  - by ImaginaryRobots

  I have an ecryptfs "Private" folder in my home directory, and it is set up to automatically mount whenever I log in. I want to set up automatic backups to a network drive, but I don't want the contents of Private to be readable on the remote server. My understanding is that the Ubuntu "Backup" utility would run while I'm logged in, so it would see the folder contents without encryption. I'm backing up from a laptop, so it is essentially only on when I am logged in. I know that the Private folder is essentially a mounted filesystem, so it seems like I should be able to backup the encrypted image rather than the cleartext contents. What steps are needed to safely back it up, while maintaining the encryption? Note that I'm already familiar with the backup tools available, this question is about dealing with the ecryptfs folder safely.

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• Russian Hydrodynamic Modeling, Prediction, and Visualization in Java

  - by Geertjan

  JSC "SamaraNIPIoil", located in Samara, Russia, provides the following applications for internal use. SimTools. Used to create & manage reservoir history schedule files for hydrodynamic models. The main features are that it lets you create/manage schedule files for models and create/manage well trajectory files to use with schedule files. DpSolver. Used to estimate permeability cubes using pore cube and results of well testing. Additionally, the user visualizes maps of vapor deposition polymerization or permeability, which can be visualized layer by layer. The base opportunities of the application are that it enables calculation of reservoir vertical heterogeneity and vertical sweep efficiency; automatic history matching of sweep efficiency; and calculations using Quantile-Quantile transformation and vizualization of permeability cube and other reservoir data. Clearly, the two applications above are NetBeans Platform applications.

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• Watch out for a trailing slash on $ORACLE_HOME

  - by user12620111

  Watch out for a trailing slash on $ORACLE_HOME oracle$ export ORACLE_HOME=/u01/app/11.2.0.3/grid/ oracle$ ORACLE_SID=+ASM1 oracle$ sqlplus / as sysasm SQL*Plus: Release 11.2.0.3.0 Production on Thu Mar 29 13:04:01 2012 Copyright (c) 1982, 2011, Oracle.  All rights reserved. Connected to an idle instance. SQL> oracle$ export ORACLE_HOME=/u01/app/11.2.0.3/grid oracle$ ORACLE_SID=+ASM1 oracle$ sqlplus / as sysasm SQL*Plus: Release 11.2.0.3.0 Production on Thu Mar 29 13:04:44 2012 Copyright (c) 1982, 2011, Oracle.  All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production With the Real Application Clusters and Automatic Storage Management options SQL>

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• Programming Interview : How to debug a program?

  - by Jake

  I was recently asked the following question in an interview : How do you debug a C++ program ? I started by explaining that programs may have syntax and semantic errors. Compiler reports the syntax errors which can be corrected. For semantic errors, various debuggers are available. I specifically talked about gdb, which is command line, and Visual Studio IDE's debugger, which has a GUI, and common commands. I also talked about debug and release version of code, how assertions should be used for debug build, how exceptions helps in automatic cleanup & putting the program in valid state, and how logging can be useful (e.g. using std::clog). I want to know if this answer is complete or not. Also, I want to hear how other people will go about answering this question in a structured manner ? Thanks.

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• Syncing Files between workgroup server and Ubuntu workstation

  - by dotdawtdaught

  Recently I have decided that I can't make Windows 8 my primary OS on my laptop as it is just too cumbersome to deal with. I am made the switch to Ubuntu and so far so good. Using Windows I have been able to cache folders on my workgroup server using a feature called "Client Side Cache" that allows me to take a copy of my personal files offline while I am in the field, then later I when I return any changes get pushed up to the server and my local cache is refreshed. This feature is completely client driven although characteristics of it (who and what can be cached, and if caching is automatic) can be controlled via a policy assigned as part of a directory membership. Can anyone suggest a linux replacement for this feature? Is there a better way of handling this?

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• Machine check error while booting from USB

  - by javanna

  I put the last Ubuntu iso on my USB stick using UNetBootin, after formatting it to fat32. I've already done that before with other operating systems and it worked. I can't actually boot Ubuntu from USB since I get a black screen with the error "Machine check error" on top the an automatic reboot happens. The error appears right after the boot, I can't see anything else before. I'm using my ASUS K53SV latop. Does anybody know how to solve this?

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• Paraview 3.98.1 takes too long to launch

  - by Alejo

  I have been used Ubuntu 12.10 with paraview 3.14.1 to run and visualise CFD simulations (OpenFoam and Eilmer3) and the experience has been really good up to date. When I wanted to try Ubuntu 13.01, I realised paraview 3.98.1 was the version to be installed in this distribution when running sudo apt-get install paraview. I noticed it takes way too long to launch, not to mention that paraFoam always produces an error so paraFoam -bulitin has to be used instead. Does anyone know the reason why paraview 3.98.1 takes so long to load?, is it because the new version has more feautures or Ubuntu 13.04 simply can't handle it smoother? My machine is a Thinkpad W530 with 16GB RAM 1600MHz and intel i7-3720QM. I am running Ubuntu under VMware player set-up with 4GB RAM, 2 cores and Automatic vitualization. Thanks.

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• I Can't update 12.04 to 12.10 ERROR:"gpg: WARNING: This key is not certified with a trusted signature!"

  - by jason328

  I'm trying to update to 12.10 from a 12.04 machine. When I ran the code sudo do-release-upgrade -d in my terminal and verified my password it checked for a new upgrade. I was then returned with this: gpg: Good signature from "Ubuntu Archive Automatic Signing Key <[email protected]>" gpg: WARNING: This key is not certified with a trusted signature! gpg: There is no indication that the signature belongs to the owner.` There of course is more but it looks like it may or may not be showing private information with it. What's causing this and how do I fix this.

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• How to hide keyboard layout shortcut from Unity top panel?

  - by user67715

  I'm using Ubuntu 12.04 together with X Neural Switcher, which is a program for the automatic switching of the keyboard layout. The switcher goes with a GUI called gXNeur. The GUI places an applet icon to the Unity top panel (the gXNeur had to be whitelisted for the icon to become visible) that help a lot to configure and make urgent changes in the rules that the program uses. But after the icon is whitelisted I'm having two keyboard layout indicators in the panel (one - native, the second one - gXNeur). The native is the one I'd like to hide while gxNeur is more intuitive. Is there a way to do that? Thanks a lot for your help!

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• Style sheet compression and .less add-in...updated with source

  Design time minification and .net less for style sheets.Read my previous post on this subject. http://blog.waynebrantley.com/2009/12/ultimate-automatic-stylesheet-combining.html Known IssuesIt has been reported that this does not work in 'web site project'. I do not use those anymore, not since they brought back our 'web application project'. If anyone wants to try and make it work, the...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Style sheet compression and .less add-in...updated with source

  Design time minification and .net less for style sheets.Read my previous post on this subject. http://blog.waynebrantley.com/2009/12/ultimate-automatic-stylesheet-combining.html Known IssuesIt has been reported that this does not work in 'web site project'. I do not use those anymore, not since they brought back our 'web application project'. If anyone wants to try and make it work, the...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Windows 7 Climbing the Charts, Fights for Market Share

  Microsoft has to fight with competitors in various industries for market share whether it be in computing video games or portable media devices just to name a few. The story is no different within the cell phone industry either. Within this particular mobile arena the main enemies for Microsoft are RIM Apple and Google Android. Microsoft is lagging a bit among the competition as things currently stand but they hope that will change in the near future.... Transportation Design - AutoCAD Civil 3D Design Road Projects 75% Faster with Automatic Documentation Updates!

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• Kernel won't update automatically

  - by Bucic

  My current kernel is 3.2.0-26 (my main computer) while on another of my Ubuntu computers, with which I didn't fiddle with unofficial updates, it's 3.2.0-30. Yet the Update manager on my main computer doesn't show available kernel updates. It shows other updates though. I suspect is due to the fact that in the past I installed multiple mainline kernel versions (not recommended versions), up to 3.5* series. What I'm after: Either: Fix automatic kernel updates. Or: Learn about a way to check for the latest official ubuntu kernel version and get it manually (I know how to install kernels from debs) What I have already tried: Uninstalled unused kernels including "the generic one without a number".

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• nvidia-package in 12.10 somehow not same like in 12.04 resp. X-lib not complete?

  - by dschinn1001

  Not knowing if this has to do with new kernel-update automatic done by ubuntu 12.10 ? it seems that kernel 3.2 in 12.04 has not these problems with nvidia-drivers ? I tried to install the actual google-earth as deb-package with dpkg -i it seems to be no problem, but when I type command: google-earth in terminal, there comes up the report among else: Xlib: extension "NV-GLX" missing on display ":0". Xlib is installed completely and nvidia-driver is de-installed (then reboot) then re-installed again. the report of google-earth stays the same: Xlib: extension "NV-GLX" missing on display ":0". ubuntu 12.04 was working quite good with google-earth. however: bumblebee seems to be taken out of program ? ( or needs to be re-edited ? ) Don't hurry too quick with solution, I can wait !

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• Installing Ubuntu 12.10 with encrypted root and encrypted /home on separate partition

  - by peterrus

  Is it possible to have Ubuntu 12.10 with an encrypted root partition and an encrypted home partition (using preferably the same encryption mechanism)? This question is somewhat the same: How do I install Ubuntu with encrypted root, home, and swap partitions? But is not answered. As I am using a dualboot setup I can not use the automatic partitioner (which doesn't support your /home on a separate disk/partition anyway). So I would have to configure some things manually. How would I do this?

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• Common light map practices

  - by M. Utku ALTINKAYA

  My scene consists of individual meshes. At the moment each mesh has its associated light map texture, I was able to implement the light mapping using these many small textures. 1) Of course, I want to create an atlas, but how do you split atlases to pages, I mean do you group the lm's of objects that are close to each other, and load light maps on the fly if scene is expected to be big. 2) the 3d authoring software provides automatic uv coordinates for each mesh in the scene, but there are empty areas in the texel space, so if I scale the texture polygons the texel density of each face wil not match other meshes, if I create atlas like that there will be varying lm resolution, how do you solve this, just leave it as it is, or ignore resolution ? Actually these questions also applies to other non tiled maps.

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• Why are the proposed BADSIG (on apt-get update) fixes secure?

  - by EvanED

  I'm running apt-get update, and I see errors like W: GPG error: http://us.archive.ubuntu.com precise Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <[email protected]> It's not hard to find instructions on how to fix these problems, for instance by asking for the new keys with apt-key adv --recv-keys or rebuilding the cache; so I'm not asking about how to fix these. But why is this the right thing to do? Why is "oh, I need new keys? Cool, go get new keys" not just defeating the purpose of having a signed repository in the first place? Are the keys signed by a master key that apt-key checks? Should we be doing some additional validation to ensure that we're getting legitimate keys?

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• Navigation for ASP.NET Web Forms project published on codeplex

  Navigation for ASP.NET Web Forms manages movement and data passing between aspx Pages in a unit testable manner. There is no Client-side logic, so it works in all browsers, and no Server-side cache, so it works with the browser back button.Features include loosely coupled Pages, typed data passing, empty code-behinds, context-sensitive bread crumb trail, ASP.NET Data binding integration, automatic ASP.NET Ajax history navigation and many more.The source code, binaries and comprehensive documentation...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• How are dependant quests generated in Guild Wars 2?

  - by Aufziehvogel

  I recently read that Guild Wars 2 uses a system where the creation of quests depends on which actions user took when they were presented another quest. An example was: There might be a quest to protect a person. If users do not take this action, the person might be kidnapped and later there is a quest to rescue this person. Is there any information on whether the creation of these quests is somehow automatic? From the article it sounded like automatically, but from the specific example you could also guess that people just created a task-set where they added conditions (Task 1 taken: OK; Task 1 not taken: Show Task 2). From what I heard about AI they might also have implemented some sort of a huge neural network to make decisions?

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• Is "convention over configuration" not violating basic programming principles?

  - by Geerten

  I was looking at the WPF MVVM framework Caliburn.Micro and read that a lot of standard things are based on naming conventions. For example, automatic binding of properties in the View to properties in the ViewModel. Although this seems to be convenient (removes some boilerplate code), my first instinct reaction is that it isn't completely obvious to a new programmer that will read this code. In other words, the functionality of the application is not completely explained by its own code, but also by the documentation of the framework. EDIT: So this approach is called convention over configuration. Since I could not find any questions concerning this, I altered my question: My question is: Is convention over configuration a correct way of simplifying things, or is it violating some programming principles (and if so, which ones)?

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• How to create and maintain patch on Debian package?

  - by ???

  I want to patch on Trac package. I know how to patch and rebuild the package, but there are some things I don't understand very well. My patch is something dangerous and not likely to commit back to the community. So, let me just say, it's a very private patch. But, I want my patch keep working when the Ubuntu packages upgrade. (Should I apt-get source trac and move my patch to the new version of source directory each time the Trac upgrades?) I see there is a patch/ directory (many using quilt I guess) in debian/, but I don't know how to use it? Will debuild automatic apply all patches in the patch/ directory? And what about dpkg-buildpackage? Is there some environ variables to control the selection of patches to apply?

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• How to Build Business Links With SEO Value

  In order to create order and plan in the site and make it more identifiable by a business community around, SEO link building requires membership strategies that aid it in its automatic operations by following a universal hub with potential links. The starting point is to obtain a link with the national or regional authority of commerce through its website. This will give the site a licensed look and due to its frequent interaction with the government body it will be a confidence boost for other links. This will also help market it as a recognized site that is secure to communicate with.

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• I can't login to facebook from any browser

  - by user92974

  I'm Using UBUNTU 12.04. I'm having problems with Facebook. It really hard to login. Takes like 3 or 5 min. At first I thought it was a flash problem but then I realized it could be some proxy's conf file. Other sites doesn't have problems. Yesterday I tried Tor-browser-bundle and I installed privoxy using this rules http://www.neilvandyke.org/privoxy-rules/ . Today I removed privoxy and the conf file with the Ubuntu software center and ubuntu-tweak. I don't really find the problem and my windows pc does not have any problem with the same modem. I don't have an ISP'S PROXY it just a direct Internet connection using automatic DHCP. Maybe I am missing something else. But I want to be sure so, I'm asking. PD: Sorry for my English I'm Argentinian.

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• Very slow startup after update to 12.04

  - by M Legoh

  My hardware: Dell Latitude D600 laptop Processor: Intel Pentium (r) 1.8 GHz Memory 1.2 GiB Graphics R200 (RV250 4C66) x86/MMX/SSE2 TCL DRI2 Disk: 37.7 gb I did an update from 11.?? using the automatic system update that pops up when you switch/log on. Ever since then when I switch on the machine it takes approximately one hour to get to the login screen. Sometimes the actual login will take time too, but sometimes within a couple of minutes I am logged in. Once I am logged in I find I can work normally, the response is not swift, but is neither too slow that I cannot work. I was wondering if there was anything I could do to speed things up. I deliberately did not do a clean install from disk, because I did not want to loose settings on the machine.

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• Computer restarts when I choose my Lucid install from GRUB

  - by Alexx Hardt

  Hey, I have 4 OS's on my netbook, it's really more a toy. However, in my main OS (Ubuntu Lucid) is some data I don't like to lose. Today, whenever I choose this install from GRUB, the netbook (Asus eeePC 1001P if it's of help) waits 5 seconds (no kernel messages) and then reboots. The other entries (backtrack, Linux From Scratch, Windows XP) work fine. Can anyone hint me to where the error could be? It's not GRUB, right? So a reinstall wouldn't help? Is it the kernel? I'm afraid I didn't remember when and what the most recent automatic updates were.

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