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• How to locally resume a session that has been started remotely using xrdp?

  - by Jaroslav Záruba

  Can I connect to a RD session that has been started (and abandoned) from a remote machine using xrdp? Also I'd like to be able to do the exact opposite: to remotely login to a session that has been initiated locally. I'm trying to get as close as possible to how Windows RS behaves. (Which also includes that the session would use my terminal machine/monitor resolution. I wasn't able to achieve that using VNC.) Suggestions to a better alternative to xrdp are welcome please. I don't know Linux too much.

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• Set ubuntu locale

  - by Neveen

  Hello, How can i set the locale to be y/m/d in Arabic? Machine Info: Using ubuntu 9.10 Thanks

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• Where to after a year of java? [closed]

  - by avatarX

  I've just finished a my first year of programming Java at varsity and I have a three month break. In terms of my development would it be better to: Cover Java in more depth to acquire a more intermediate level of ability Learn a new programming language (if so which) to a similar level as my current Java ability Spend timing learning introductory discrete maths, algorithms and data structures I'm also open to any other possibilities that would be beneficial but that could be covered in about 3 months.

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• Java JRE: Setting default heap size

  - by AndiDog

  I'm having trouble with Java on a virtual server, it always gives me the following error: # java Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. I first solved this by using the CACAO virtual machine (of OpenJDK, by putting it first in jvm.cfg), but then I run into problems with my web application (Play! framework based, gives me nasty LinkageErrors). So I cannot use that VM. Instead I'd like to just use the normal server VM and set -Xmx128M by default. How can I do that? Related: this question

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• External TV only allows 640x480 using VGA cable

  - by EdC

  I have Ubuntu precise installed on a MacBook Pro. When connecting to an external television using a VGA style cable the highest resolution available seems to be 640x480. I'm using the proprietary NVIDEA Accelerated Graphics Driver (version current) and attempting to setup the TV using the nvidea-settings tool. I know all the equipment supports higher resolutions because of the following: Prior to rebuilding my machine with precise, the same TV, cabel & adapter gave higher resolutions The same machine & TV when used with a HDMI cable allows higher resolutions Windows laptops with the same cable & TV are able to achieve higher resolutions I'm not sure what to look for next, there are some similar FAQ questions but I'm not sufficiently familiar with the areas involved to know if these are my issue or are safe to try. Specifically: colord problem & my monitor resolution 640*480 with no other options! - is the closest, but as I'm having no problems with the main laptop monitor I'm not sure the described symptoms apply. I can't work out from the answer or Bumblebee site how to determine if nvidia optimus applies to my laptop. Why isn't my monitor's native resolution appearing as an option? - suggests configuring X by hand, but doesn't entirely match the symptoms I'm seeing

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• Multiple users writing to one Samba mount point in OSX

  - by Sam

  I have an OSX box containing a script which writes a unique file to a Samba share. The first part of the script mounts the share. On the machine are 2 users- UserA and UserB. Each requires to run this script at any given time however only the user who mounted the share is able to write to it. I really need both users to have rwx access. Here is what I have tried: Mounting then chmod'ing the mountpoint (no effect- overruled by Samba server?) chmod'ing the mountpoint then mounting (same as above) sudo mount_smbfs Both users have admin privileges. Ideally a solution would be executable by one of the users (contained in the script) and not rely on mounting at machine boot time. Any ideas appreciated, thanks!

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• What is the recommended library for using Lua from C++?

  - by DevilWithin

  I am currently planning how to integrate Lua scripting in my 2D Game Engine, and i would like to go straight to the most adequate solution for having C++ classes and objects exposed. I've read this (if it helps you help): http://lua-users.org/wiki/BindingCodeToLua If you have a better scripting language to recomend, go for it ;D All help is welcome, i need to pickup the best solution to start implementing Thanks

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• How to disable 3G USB Modem internal storage from being loaded by linux kernel?

  - by Krystian

  Hi, I've got a problem with my 3G modem [Huawei E122]. It has internal storage and kernel assigns a device [/dev/sdX] to it. Because of that, every second time my machine will not boot - kernel panic - as my usb hdd gets assigned /dev/sdb instead of /dev/sda. I cannot use LABEL nor UUID in root= kernel parameter, as it is only available when using initrd, and I can't use it - I am using Debian on my router - mips architecture machine. I have to prevent this from happening, as my router has to start everyday and I have to be sure it works ok. I don't have physical access to restart it when something goes wrong. I don't use my modem internal storage, there's no SD card inserted. However kernel detects the reader and loads it. I can not prevent loading od usb drivers since my hdd is on USB as well. I will appreciate any ideas.

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• Brief material on C++ object-lifetime management and on passing and returning values/references

  - by dsign

  I was wondering if anybody can point to a post, pdf, or excerpt of a book containing the rules for C++ variable life-times and best practices for passing and returning function parameters. Things like when to pass by value and by reference, how to share ownership, avoid unnecessary copies, etc. This is not for a particular problem of mine, I've been programming in C++ for long enough to know the rules by instinct, but it is something that a lot of newcomers to the language stumble with, and I would be glad to point them to such a thing.

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• Removing pulseaudio, about ALSAMixer

  - by allenskd

  I removed pulseaudio today because rosetta stone had conflicts identifying the microphone which kinda makes it useless to me to learn a new language. Thing is, Alsamixer seems to have screwed up so I'm not really familiar on which configuration file I have to tweak to make the whole system use alsamixer (actually it does... but the problem is this error) $ alsamixer ALSA lib pulse.c:229:(pulse_connect) PulseAudio: Unable to connect: Connection refused cannot open mixer: Connection refused Could anyone enlighten me on which configuration file I have to change?

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• How to generate SPMetal for a specific list (OOTB: like tasks or contacts) with custom columns

  - by KunaalKapoor

  SPMetal is used to make use of LINQ on a list in SharePoint 2010. By default when you generate SPMetal on a site you will get a code generated file for most of the lists and probably more. Here is a MSDN link for some info on SPMetal.http://msdn.microsoft.com/en-us/library/ee538255(office.14).aspxBut what if you want only to generate the code for one list?Well it is quite simple once you figure it out. You need to add an xml file to override the default settings of SPMetal and specify it in the /parameters option. I will show you how to do this.First create a Folder that will contain two files (GenerateSPMetalCode.bat and SPMetal.xml).Below is the content of the files:GenerateSPMetalCode.bat "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\BIN\SPMetal" /web:http://YourServer /code:OutPutFileName.cs /language:csharp /parameters:SPMetal.xml pause SPMetal.xml <?xml version="1.0" encoding="utf-8"?> <Web AccessModifier="Internal" xmlns="http://schemas.microsoft.com/SharePoint/2009/spmetal"> <List Name="ListName"> <ContentType Name="ContentTypeName" Class="GeneratedClassName" /> </List> <ExcludeOtherLists></ExcludeOtherLists> </Web> You will have to change some of the text in the files so that it will be specific to your SharePoint Server Setup. In the bat file you will have to change http://YourServer to the url of the web where your list is. In the SPMetal.xml file you need to change ListName to the name of your list and the ContentTypeName to the name of the content type you want to extract. The GeneratedClassName can be anything but perhaps you should rename it to something more sensible.Adding the following line: '<List Name="ListName"><ContentType Name="ContentTypeName" Class="GeneratedClassName" /> </List>'  makes sure that any custom columns added to an OOTB list like contacts or tasks are also generated, which are missed out in a regular generation.So now when you run it the SPMetal command will read the SPMetal.xml list and override its commands. ExcludeOtherLists element makes it so that only the code for the lists you specify will be generated. For some reason I got an error if I had this element above the List element.You sould now have a code file called OutPutFileName.cs that has been generated. You can now put this in your SharePoint project for use with your LINQ queries against that list.I will soon write a LINQ example that uses the generated class. UPDATE: Add the /namespace parameter to add a namespace to the generated code. "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\BIN\SPMetal" /web:http://YourServer /namespace:MySPMetalNameSpace /code:OutPutFileName.cs /language:csharp /parameters:SPMetal.xml

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• Xen P2V for large physical hosts with much free space

  - by Sirex

  I need to P2V a rhel5 machine to xen under rhel5. I know I can use dd if=/dev/sda then using virt-install --import on the host, but the downside of this is the original machine has 80% free space on its drive. Does anyone know of (or can document) a quick and easy method which works reliably, to produce a bootable xen image which can run under a hvm in such cases ? I tried clonezilla to make the image, to avoid the free space problem, but it failed to do the clone with "something went wrong" (useless info, i know). At the moment im looking at doing a dd of each partition, and a file level copy of the partition which is mostly empty, then creating a new virtual disk, copying the partitions over to it by mounting both the new image and the virtual drive on a second vm, then copying the boot sectors over, then copying the file level backup..... there must be an easier way ? Oh, and budget is $0. :)

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• I shrunk the Windows partition, now it says grub rescue on boot

  - by user1009013

  I have got a machine with dual-boot Windows 7 and Ubuntu 11.10, and I wanted to add another OS to that (Jolicloud), so I started the partition manager in Windows and shrunk the Windows partition by about 10 GB (so now I have:Windows;currently empty 10GB;Ubuntu). I shutted down the computer because I was finished. Now when I started my machine again it says error:no such partition. grub rescue> and I can type commands. ls gives (hd0) (hd0,msdos5) (hd0,msdos4) (hd0,msdos2) (hd0,msdos1) (fd0) if that helps

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• What would be a good set of first programming problems that would help a non-CS graduate to learn programming ?

  - by shan23

  I'm looking at helping a friend learn programming (I'm NOT asking about the ideal first language to learn programming in). She's had a predominantly mathematical background (majoring in Maths for both her undergrads and graduate degree), and has had some rudimentary exposure to programming before (in the form of Matlab simulations/matrix operations in C etc) - but has never been required to design/execute complex projects. She is primarily interested in learning C/C++ - so, with respect to her background, what would be a set of suitable problems that would both engage her interest ?

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• How do I debug xorg/fglrx related system freezes on Ubuntu 12.10?

  - by racerror

  My brand new system is randomly freezing and I don't know how to debug the issue. System: AMD A10-5800k Asus F2A85-M motherboard Integrated Radeon HD 7660D 8gb Samsung ddr3 1600 Ubuntu 12.10 Gnome shell / Unity (issue exists in both) xorg.conf (relevant parts): Section "Device" Identifier "aticonfig-Device[0]-0" Driver "fglrx" BusID "PCI:0:1:0" Option "TexturedVideoSync" "on" Option "UseFastTLS" "2" EndSection Section "Screen" Identifier "aticonfig-Screen[0]-0" Device "aticonfig-Device[0]-0" Monitor "Monitor0" DefaultDepth 24 Option "UseEDID" "False" Option "ExactModeTimingsDVI" "True" Option "NoBandWidthTest" "true" Option "ModeValidation" "AllowNon60hzmodesDFPModes, NoEDIDDFPMaxSizeCheck, NoVertRefreshCheck, NoHorizSyncCheck, NoDFPNativeResolutionCheck, NoMaxSizeCheck, NoMaxPClkCheck, NoEDIDModes" Option "UseEDIDDPI" "False" Option "UseEDIDFreqs" "0" Option "NoLogo" "True" Option "Coolbits" "1" Option "metamodes" "DFP-0: 2560x1440_60 +0+0" SubSection "Display" Depth 24 Modes "2560x1440" EndSubSection I ran memtest on my ram and it checks out fine. I have tried using the latest fglrx and fglrx-beta. I have loaded 3.6.x kernel. I do not see anything relevant in dmesg, kern.log, syslog, .xsession-errors or Xorg.log. I cannot ssh into the machine when frozen from another machine. I know that system resources not being stressed when the crashes happen. It seems that video and any gaming (very simple graphics games) contribute to the freezes most frequently. However, I have experienced the crash before when just using Chrome. I suspect the crashes are xorg/fglrx related, but I have no evidence to back that up. Where should I look? What should I grep for? What should I try next?

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• Get the "source network address" in Event ID 529 audit entries on Windows XP

  - by Make it useful Keep it simple

  In windows server 2003 when an Event 529 (logon failure) occures with a logon type of 10 (remote logon), the source network IP address is recorded in the event log. On a windows XP machine, this (and some other details) are omitted. If a bot is trying a brute force over RDP (some of my XP machines are (and need to be) exposed with a public IP address), i cannot see the originating IP address so i don't know what to block (with a script i run every few minutes). The DC does not log this detail either when the logon attempt is to the client xp machine and the DC is only asked to authenticate the credentials. Any help getting this detail in the log would be appreciated.

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• How can I change the lock screen in Windows 8 that appears for the default user?

  - by Mark Allen

  This is about Windows 8 RTM. How can I change the lock screen in Windows 8 that appears after connecting to the machine via RDP? You can change your lock screen for your user account like so: Hit the Windows key. Right click your user name in the upper right hand corner, choose Change Account Picture. Click Lock Screen, choose a new picture. However, if you then connect to the computer where you've done this from another computer via RDP, using the same account, the physical machine you've connected to will display the "default" user lock screen - a stylized Space Needle / Seattle picture. It's not a bad picture, but I'd like to change it.

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• Creating an app shortcut in Windows 7 XP Mode

  - by MT_Head

  I have a VERY old legacy app that I've managed to move from machine to machine; the installer for it doesn't actually work under newer versions of Windows, but I was able to track down the registry changes and DLL registrations necessary to make it work. I'm able to create a desktop icon in my XP mode environment, and the program works... but I'd like to add an icon to the Windows 7 menu, and run the program in semi-native mode. For example, the icon for Microsoft Security Essentials in XP mode has the following target: %SystemRoot%\system32\rundll32.exe %SystemRoot%\system32\VMCPropertyHandler.dll,LaunchVMSal "Windows XP Mode" "||232f633" "Microsoft Security Essentials" Now, the only part of that that seems to be "magic" is "||232f633" - does anyone have any idea where that comes from, or how to identify the correct equivalent for an arbitrary program? I gather that, had the program been installed normally through a .msi file (or WISE, or NSIS, or what have you), this id would have been generated automagically... Thanks for any insights!

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• What is the actual problem with a prototype based design?

  - by WindScar

  I feel like anything that can be developed using OO/functional languages can be generally made 'better' using a prototype based language, because they appaer to have the best of them all: high order functions, flexibility to simulate any OO structure, productivity (low verbosity) and scalability because of concurrency. But it seems like they are avoided for the creation of executable applications and of bigger projects in general. Why that?

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• How to create a VPN between a Host and VMWare VMs?

  - by Anindya Chatterjee

  I have a set of machines as follows My home laptop running Win7 Ultimate with internet connection. A vmware workstation vm running Windows Server 2003 Standard edition server in my laptop w/o internet connectivity Some of my peers' machines connected to internet I want to create a VPN with these machines, provided the VM will not have any direct internet connection and my peers should able to connect to the SVN server application running on this Win2003 server VM. Can anybody please suggest me how to setup this network, what software I need to install in both physical machine and vm, what kind of network connectivity should be there between vmware guest and host machine? EDIT: I deliberately don't want to connect the VM with internet. The host will work more of a gateway of the VPN connection for the VM.

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• Remote access to a KVM Ubuntu virtual server

  - by Lee

  I've just setup an ubuntu virtual server and everything seems to be working fine. I used KVM to get it working with a bridged network. I've given the virtual server a static ip address on my network. I don't seem to be able to connect to the virtual machine though from outside my network. If I'm on my own network it all works fine, I can ping the ip and connect to it. The virtual server can ping other machines and sites on the internet. I changed the port forwarding rules on my router to forward any connections on a specific port to the virtual server ip address thinking that was the problem, but it was still the same. Is there something I'm missing here which is blocking outside connections to the virtual machine? Thanks.

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• SystemTap 1.2 released

  <b>LWN.net:</b> "The systemtap team announces release 1.2. prototype perf event and hw-breakpoint probing, security fixes, error tolerance script language extensions, optimizations, tapsets, interesting new sample scripts, kernel versions 2.6.9 through 2.6.34-rc"

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• How can I disrupt my roommate's BitTorrent?

  - by bob

  We're on a 50 mb/s Comcast connection and our connection right now is coming in under 1.5 mb/s. Our roommate left for a week with BitTorrent running (Azureus client, we think). Our latency is approaching 300 ms. His door is locked up tight, and both his machine and the router for the house are located inside. I've even flipped the power breaker in the house and that barely works for 2 minutes. His laptop keeps on running, and once the cable modem and router come back up and the machine reconnects, the torrents resume in earnest. I've been running nmap and identified his IP on our LAN. Is there anything I can do over the LAN to make his torrents start to fail or slow down?

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• Is there a way to define a rule on a bridge that will return reply for ARP request

  - by user1495181

  client (IP = 1.1.1.1) - bridge (brctl) - server (IP = 2.2.2.2) (all machine are Ubuntu). The client block arp request. (there are multiple clients ) I need to define a rule on the bridge machine that will return the client MAC when it get ARP request for IP 1.1.1.1. I see that in ebtables there is an arpreply option , but i didnt manage to find an example to define the arpreply by given arp request ip. ebtables -t nat -A PREROUTING -p arp -j arpreply --arpreply-mac 00:09:5B:91:56:08 Can you please adcive

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• Does Using ASP Or PHP Affect Your SEO Strategies?

  We most often hear web developers as well as website design development companies asking in forums and developer boards about use of ASP, PHP & other scripting language and its possible negative effects on search engine optimization and effective SEO strategies for the website. There are many server side based scripting languages such as ASP, PHP, Cold Fusion, Python, and Pearl; among which PHP & ASP are more common.

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