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• Microphone not working in Windows Virtual PC (on Windows 7)

  - by Clay Nichols

  I"m using Windows Virtual PC on Windows 7 (host) running Windows XP (as the Guest O/S) I'm trying to get the Microphone working. When I Enable Integration Features: Microphone does not work When I run the Sound Recorder, the record button is disabled. If I look at Sound settings, there are no options for the Mic (it's all disabled "grayed out"). Speakers work Copy & Paste works When I Disable Integration Features: Microphone and speakers work Copy and Paste does not (as expected) Drag'n Drop copying does not work in either situation. What I've Tried Verified that the Windows XP Mode Virtual PC guest also has the same symptoms (Mic doesn't work) and audio out (speakers) do work. I"m going to try (but have little hope) to: -Uninstall and Reinstall the Integration addin for Virtual PC

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• i5 540M or i7 720QM for laptop running VMs and software development tools?

  - by Donald Hughes

  I'm a software developer that would primarily be running Windows 7 as the primary operating system. On a typical day, I might, at any given moment, be running Visual Studio, Expression Web, SQL Server developer (and Management Console), IIS, Photoshop, a dozen browser tabs in 2-3 different browsers, Skype video chat, streaming music, and a couple of VMs (WinXP and Ubuntu) for testing/experimentation. Obviously, RAM is a concern, which is why I plan to use 8 GB so I can devote enough to the VMs to be usable. I'm also tempted to use an ExpressCard SSD for storing the VM disks to ease disk contention. And I know that that is asking a lot from a laptop, and I should just use a desktop, but I need to be able to take my work with me between several locations. It seems that at a reasonable price point, it comes down to the i5 540M versus the i7 720QM. I'm leaning toward the i7 since it would allow me to dedicate a whole hyperthreaded core to each VM, and still have two cores left for the primary OS. I've heard that the i5 has better battery life, but I'm curious for my scenario if there would be a meaningful difference. I don't usually work without a plug, but I do occasionally ride the train or fly and it would be nice to have at least 3 hours of juice for unusual circumstances. And, finally, for this usage scenario, would a dedicated video option be preferred over the i5's integrated video? It sounds like Visual Studio 2010 (and Windows 7) can take advantage of the video card.

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• "Content is not allowed in prolog" when parsing perfectly valid XML on GAE

  - by Adrian Petrescu

  Hey guys, I've been beating my head against this absolutely infuriating bug for the last 48 hours, so I thought I'd finally throw in the towel and try asking here before I throw my laptop out the window. I'm trying to parse the response XML from a call I made to AWS SimpleDB. The response is coming back on the wire just fine; for example, it may look like: <?xml version="1.0" encoding="utf-8"?> <ListDomainsResponse xmlns="http://sdb.amazonaws.com/doc/2009-04-15/"> <ListDomainsResult> <DomainName>Audio</DomainName> <DomainName>Course</DomainName> <DomainName>DocumentContents</DomainName> <DomainName>LectureSet</DomainName> <DomainName>MetaData</DomainName> <DomainName>Professors</DomainName> <DomainName>Tag</DomainName> </ListDomainsResult> <ResponseMetadata> <RequestId>42330b4a-e134-6aec-e62a-5869ac2b4575</RequestId> <BoxUsage>0.0000071759</BoxUsage> </ResponseMetadata> </ListDomainsResponse> I pass in this XML to a parser with XMLEventReader eventReader = xmlInputFactory.createXMLEventReader(response.getContent()); and call eventReader.nextEvent(); a bunch of times to get the data I want. Here's the bizarre part -- it works great inside the local server. The response comes in, I parse it, everyone's happy. The problem is that when I deploy the code to Google App Engine, the outgoing request still works, and the response XML seems 100% identical and correct to me, but the response fails to parse with the following exception: com.amazonaws.http.HttpClient handleResponse: Unable to unmarshall response (ParseError at [row,col]:[1,1] Message: Content is not allowed in prolog.): <?xml version="1.0" encoding="utf-8"?> <ListDomainsResponse xmlns="http://sdb.amazonaws.com/doc/2009-04-15/"><ListDomainsResult><DomainName>Audio</DomainName><DomainName>Course</DomainName><DomainName>DocumentContents</DomainName><DomainName>LectureSet</DomainName><DomainName>MetaData</DomainName><DomainName>Professors</DomainName><DomainName>Tag</DomainName></ListDomainsResult><ResponseMetadata><RequestId>42330b4a-e134-6aec-e62a-5869ac2b4575</RequestId><BoxUsage>0.0000071759</BoxUsage></ResponseMetadata></ListDomainsResponse> javax.xml.stream.XMLStreamException: ParseError at [row,col]:[1,1] Message: Content is not allowed in prolog. at com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next(Unknown Source) at com.sun.xml.internal.stream.XMLEventReaderImpl.nextEvent(Unknown Source) at com.amazonaws.transform.StaxUnmarshallerContext.nextEvent(StaxUnmarshallerContext.java:153) ... (rest of lines omitted) I have double, triple, quadruple checked this XML for 'invisible characters' or non-UTF8 encoded characters, etc. I looked at it byte-by-byte in an array for byte-order-marks or something of that nature. Nothing; it passes every validation test I could throw at it. Even stranger, it happens if I use a Saxon-based parser as well -- but ONLY on GAE, it always works fine in my local environment. It makes it very hard to trace the code for problems when I can only run the debugger on an environment that works perfectly (I haven't found any good way to remotely debug on GAE). Nevertheless, using the primitive means I have, I've tried a million approaches including: XML with and without the prolog With and without newlines With and without the "encoding=" attribute in the prolog Both newline styles With and without the chunking information present in the HTTP stream And I've tried most of these in multiple combinations where it made sense they would interact -- nothing! I'm at my wit's end. Has anyone seen an issue like this before that can hopefully shed some light on it? Thanks!

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• How does Microsoft Word And Excel Run without any installation?

  - by Sathya

  I was having a discussion on bookmarks in Word with a friend, and he suggested me to check out his implementation of a query in Word. Since I did not have Microsoft Word installed, I told him I don't have Word so I won't be able to test it. To this, he mentioned that he'll send the executables and it will work - I argued that without an installation this will fail. I was rather shocked when he sent me the standalone executables and on running them, Word actually launched and I was able to use almost every functionality o_0 How's this possible? I've never installed Microsoft Office on my system, this isn't any "portable" app or VMWare ThinStall ( thanks nhinkle, didn't know about this). There are absolutely no Microsoft Office related files - except for winword.exe and excel.exe. Curiously even Microsoft Excel works fine with just the standalone executable. winword.exe size is about 38 MB, and excel.exe size is just 35kb, which makes it even more strange. I'm running on Windows XP, the files were from Office 2003. I was discussing this on Chat prior to posting, here's the conversation

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• Adding an user to samba

  - by JustMaximumPower

  I'm trying to setup some samba shares in my home network on an Ubuntu 12.04 machine. Everything works fine for my user account (max) but I can not add any new user. Every time I try to add new user they can not use the shares. It's likely that the error is very basic to the concept of samba but please don't just tell me to read the docs. I've been trying that for about 2 weeks now. I've set up the server with my user max who can mount transfer and the share max. Than I added the user simon with sudo adduser --no-create-home --disabled-login --shell /bin/false simon because the user should not be able to ssh into the machine. I did an sudo smbpasswd -a simon and set an (samba) password for simon and added an share for simon. I also added simon to transferusers to give him access to the share transfer. But simon can't connect to transfer or simons. ---- output of testparam: ------- Load smb config files from /etc/samba/smb.conf rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384) Processing section "[printers]" Processing section "[print$]" Processing section "[max]" Processing section "[simons]" Processing section "[transfer]" Loaded services file OK. Server role: ROLE_STANDALONE Press enter to see a dump of your service definitions [global] server string = %h server (Samba, Ubuntu) map to guest = Bad User obey pam restrictions = Yes pam password change = Yes passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . unix password sync = Yes syslog = 0 log file = /var/log/samba/log.%m max log size = 1000 dns proxy = No usershare allow guests = Yes panic action = /usr/share/samba/panic-action %d idmap config * : backend = tdb [printers] comment = All Printers path = /var/spool/samba create mask = 0700 printable = Yes print ok = Yes browseable = No [print$] comment = Printer Drivers path = /var/lib/samba/printers [max] comment = Privater share von Max path = /media/Main/max read only = No create mask = 0700 [simons] comment = Privater share von Simon path = /media/Main/simon read only = No create mask = 0700 [transfer] comment = Transferlaufwerk path = /media/Main/transfer read only = No create mask = 0755 ---- The files in /media/Main: ------ drwxrwxr-x 17 max max 4096 Oct 4 19:13 max/ drwx------ 5 simon max 4096 Aug 4 15:18 simon/ drwxrwxr-x 7 max transferusers 258048 Oct 1 22:55 transfer/

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• Adding my podcast to my Facebook fan page

  - by Donald Burr

  I've set up a Facebook fan page for my podcast, Otaku no Podcast. I'd love to add a Flash based player to the fan page that can play the latest episode of my podcast. Or, at the very least, a link to the latest episode on my website (which has its own Flash-based audio player). My podcast's website of course exports a valid RSS feed. I've tried several different podcast player/RSS feed display applications including Podcast Pickle (which has a facebook app), but none of them appear to work and/or are maintained any more. Podcast Pickle used to work for me a long time ago, but is no longer working for me. Any ideas?

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• Per client DNS server assignment using Pfsense

  - by Trix

  I have a network where pfsense is the gateway. There are two sets of clients that I want. One where there will be some restrictions to the network (example, IM being blocked) and one network where there are no restrictions. One easy way I thought about doing this was assigning the different domains different DNS servers. One set could use OpenDNS, the other could use Google's Public DNS. The set with OpenDNS would have the filter options on (using OpenDNS' dashboard, I can check block IM .... so I do not manually need to block login.oscar.aol.com, meebo.com, gmail chat ....etc). So the problem is the DHCP server looks like it will only assign a single set of DNS servers to clients. Is there a way to set a per client assignment? Is there a better way to obtain what I want to obtain. This is just a small home network. I do not need anything fancy, but I do need this functionality in one way or another.

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• Getting RINGING response on SIP UAC without sending it from the other UAC

  - by TacB0sS

  Hi, I hope this would be my last question about this SIP subject, I have managed to overcome the last issue I had by asking a friend to help me from a remote computer, I'm able to connect between the computers, but here is the thing, according to all the examples I saw, the Callee should invoke the Ringing response, but in my application case I didn't implement it yet, but I still receive on the Caller UAC a Ringing response, this is the SIP messages that are on the caller end: Outgoing Request 5: INVITE sip:[email protected] SIP/2.0 Contact: "Client 310" <sip:[email protected]> From: "Client 310" <sip:[email protected]> Max-Forwards: 32 CSeq: 2 INVITE Call-ID: [email protected] Allow: INVITE,CANCEL,ACK,BYE,OPTIONS Content-Type: application/sdp Proxy-Authorization: Digest username="310",nonce="012afffb",realm="asterisk",uri="sip:[email protected]",algorithm=MD5,response="d19ca5b98450b4be7bd4045edb8a3a2f" Via: SIP/2.0/UDP hostName.hn:5060 To: "Client 320" <sip:[email protected]>;tag=as5a8fa200 Content-Length: 257 v=0 o=310 7108915969559970847 7108915969559970847 IN IP4 xxx.xxx.x.xxx s=- i=Nu-Art Software - TacB0sS VoIP information c=IN IP4 xxx.xxx.x.xxx m=audio 3312 RTP/AVP 0 8 101 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 Incoming Response 6: SIP/2.0 100 Trying Via: SIP/2.0/UDP hostName.hn:5060;branch=f8d171d3278788df9e03eb9cf3acba70-xxx.xxx.x.xxx-2-invite-hostName.hn-5060333732;received=79.181.6.233 From: "Client 310" <sip:[email protected]> To: "Client 320" <sip:[email protected]>;tag=as5a8fa200 Call-ID: [email protected] CSeq: 2 INVITE User-Agent: Freeswitch 1.2.3 Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,REFER,SUBSCRIBE,NOTIFY,INFO Supported: replaces Contact: <sip:[email protected]> Content-Length: 0 Incoming Response 7: SIP/2.0 180 Ringing Via: SIP/2.0/UDP hostName.hn:5060;branch=f8d171d3278788df9e03eb9cf3acba70-xxx.xxx.x.xxx-2-invite-hostName.hn-5060333732;received=79.181.6.233 From: "Client 310" <sip:[email protected]> To: "Client 320" <sip:[email protected]>;tag=as5a8fa200 Call-ID: [email protected] CSeq: 2 INVITE User-Agent: Freeswitch 1.2.3 Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,REFER,SUBSCRIBE,NOTIFY,INFO Supported: replaces Contact: <sip:[email protected]> Content-Length: 0 Call to: [email protected] is Ringing Incoming Response 8: SIP/2.0 183 Session Progress Via: SIP/2.0/UDP hostName.hn:5060;branch=f8d171d3278788df9e03eb9cf3acba70-xxx.xxx.x.xxx-2-invite-hostName.hn-5060333732;received=79.181.6.233 From: "Client 310" <sip:[email protected]> To: "Client 320" <sip:[email protected]>;tag=as5a8fa200 Call-ID: [email protected] CSeq: 2 INVITE User-Agent: Freeswitch 1.2.3 Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,REFER,SUBSCRIBE,NOTIFY,INFO Supported: replaces Contact: <sip:[email protected]> Content-Type: application/sdp Content-Length: 264 v=0 o=root 27669 27669 IN IP4 yy.yy.yy.yy s=session c=IN IP4 yy.yy.yy.yy t=0 0 m=audio 10914 RTP/AVP 0 8 101 a=rtpmap:0 PCMU/8000 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=silenceSupp:off - - - - a=ptime:20 a=sendrecv Incoming Response 9: SIP/2.0 503 Service Unavailable Via: SIP/2.0/UDP hostName.hn:5060;branch=f8d171d3278788df9e03eb9cf3acba70-xxx.xxx.x.xxx-2-invite-hostName.hn-5060333732;received=79.181.6.233 From: "Client 310" <sip:[email protected]> To: "Client 320" <sip:[email protected]>;tag=as5a8fa200 Call-ID: [email protected] CSeq: 2 INVITE User-Agent: Freeswitch 1.2.3 Allow: INVITE,ACK,CANCEL,OPTIONS,BYE,REFER,SUBSCRIBE,NOTIFY,INFO Supported: replaces Content-Length: 0 I do not respond to the invite, that is why all this is happening, but why am I getting a ringing if I'm not the one sending it. Thanks, Adam.

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• How to get the child elementsvalue , when the parent element contains different number of child Elem

  - by Subhen

  Hi, I have the following XML Structure: <DIDL-Lite xmlns="urn:schemas-upnp-org:metadata-1-0/DIDL-Lite/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:upnp="urn:schemas-upnp-org:metadata-1-0/upnp/" xmlns:dlna="urn:schemas-dlna-org:metadata-1-0/"> <item id="1268" parentID="20" restricted="1"> <upnp:class>object.item.audioItem.musicTrack</upnp:class> <dc:title>Hey</dc:title> <dc:date>2010-03-17T12:12:26</dc:date> <upnp:albumArtURI dlna:profileID="PNG_TN" xmlns:dlna="urn:schemas-dlna-org:metadata-1-0">URL/albumart/22.png</upnp:albumArtURI> <upnp:icon>URL/albumart/22.png</upnp:icon> <dc:creator>land</dc:creator> <upnp:artist>sland</upnp:artist> <upnp:album>Change</upnp:album> <upnp:genre>Rock</upnp:genre> <res protocolInfo="http-get:*:audio/mpeg:DLNA.ORG_PN=MP3;DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000" size="9527987" duration="0:03:58">URL/1268.mp3</res> <res protocolInfo="http-get:*:image/png:DLNA.ORG_PN=PNG_TN;DLNA.ORG_CI=01;DLNA.ORG_FLAGS=00f00000000000000000000000000000" colorDepth="24" resolution="160x160">URL/albumart/22.png</res> </item> <item id="1269" parentID="20" restricted="1"> <upnp:class>object.item.audioItem.musicTrack</upnp:class> <dc:title>Indian </dc:title> <dc:date>2010-03-17T12:06:32</dc:date> <upnp:albumArtURI dlna:profileID="PNG_TN" xmlns:dlna="urn:schemas-dlna-org:metadata-1-0">URL/albumart/13.png</upnp:albumArtURI> <upnp:icon>URL/albumart/13.png</upnp:icon> <dc:creator>MC</dc:creator> <upnp:artist>MC</upnp:artist> <upnp:album>manimal</upnp:album> <upnp:genre>Rap</upnp:genre> <res protocolInfo="http-get:*:audio/mpeg:DLNA.ORG_PN=MP3;DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000" size="8166707" duration="0:03:24">URL/1269.mp3</res> <res protocolInfo="http-get:*:image/png:DLNA.ORG_PN=PNG_TN;DLNA.ORG_CI=01;DLNA.ORG_FLAGS=00f00000000000000000000000000000" colorDepth="24" resolution="160x160">URL/albumart/13.png</res> </item> <item id="1277" parentID="20" restricted="1"> <upnp:class>object.item.videoItem.movie</upnp:class> <dc:title>IronMan_TeaserTrailer-full_NEW.mpg</dc:title> <dc:date>2010-03-17T12:50:24</dc:date> <upnp:genre>Unknown</upnp:genre> <res protocolInfo="http-get:*:video/mpeg:DLNA.ORG_PN=(NULL);DLNA.ORG_OP=01;DLNA.ORG_CI=0;DLNA.ORG_FLAGS=01700000000000000000000000000000" size="98926592" resolution="1920x1080" duration="0:02:30">URL/1277.mpg</res> </item> </DIDL-Lite> Here in the last Elemnt Item , there are few missing elements like icon,albumArtURi ..etc. Now whhile Ity to access the Values by following LINQ to XML query, var vAudioData = from xAudioinfo in xResponse.Descendants(ns + "DIDL-Lite").Elements(ns + "item").Where(x=>!x.Elements(upnp+"album").l orderby ((string)xAudioinfo.Element(upnp + "artist")).Trim() select new RMSMedia { strAudioTitle = ((string)xAudioinfo.Element(dc + "title")).Trim(),//((string)xAudioinfo.Attribute("audioAlbumcoverImage")).Trim()=="" ? ((string)xAudioinfo.Element("Song")).Trim():"" }; It show object reference is not set to reference of object. I do undersrand this is because of missing elements, is there any way I can pre-check if the elements exist , or check the number of elemnts inside item or any other way. Any help is deeply appreciated. Thanks, Subhen

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• CPU Usage at 100% with "Hardware Interrupts"

  - by eventualEntropy

  After turning on my desktop one day, I found that my CPU usage was maxed out at 100%, with 99% of that going to hardware "Interrupts". I tried to enable/disable all my devices one by one through the device manager, and found that I could get the CPU usage used by the Interrupts down to 50% by disabling all devices labelled "USB Host Controller" (except the ones for the mouse/keyboard). I found that I also got 10-20% more from disabling "High Definition Audio Controller". Following the tutorial at: http://www.msfn.org/board/topic/140263-how-to-get-the-cause-of-high-cpu-usage-by-dpc-interrupt/ Led me to similar conclusions (that is, that the culprit is mostly "USB Host Controller"): I've tried updating my asus motherboard driver and my video card driver. This is on Windows 7 64 bit. I've spent hours trying to figure this out and I'm running out of ideas short of formatting (which might still not fix it!).

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• How do I use MediaRecorder to record video without causing a segmentation fault?

  - by rabidsnail

  I'm trying to use android.media.MediaRecorder to record video, and no matter what I do the android runtime segmentation faults when I call prepare(). Here's an example: public void onCreate(Bundle savedInstanceState) { Log.i("video test", "making recorder"); MediaRecorder recorder = new MediaRecorder(); contentResolver = getContentResolver(); try { super.onCreate(savedInstanceState); Log.i("video test", "--------------START----------------"); SurfaceView target_view = new SurfaceView(this); Log.i("video test", "making surface"); Surface target = target_view.getHolder().getSurface(); Log.i("video test", target.toString()); Log.i("video test", "new recorder"); recorder = new MediaRecorder(); Log.i("video test", "set display"); recorder.setPreviewDisplay(target); Log.i("video test", "pushing surface"); setContentView(target_view); Log.i("video test", "set audio source"); recorder.setAudioSource(MediaRecorder.AudioSource.MIC); Log.i("video test", "set video source"); recorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT); Log.i("video test", "set output format"); recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); Log.i("video test", "set audio encoder"); recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); Log.i("video test", "set video encoder"); recorder.setVideoEncoder(MediaRecorder.VideoEncoder.MPEG_4_SP); Log.i("video test", "set max duration"); recorder.setMaxDuration(3600); Log.i("video test", "set on info listener"); recorder.setOnInfoListener(new listener()); Log.i("video test", "set video size"); recorder.setVideoSize(320, 240); Log.i("video test", "set video frame rate"); recorder.setVideoFrameRate(15); Log.i("video test", "set output file"); recorder.setOutputFile(get_path(this, "foo.3gp")); Log.i("video test", "prepare"); recorder.prepare(); Log.i("video test", "start"); recorder.start(); Log.i("video test", "sleep"); Thread.sleep(3600); Log.i("video test", "stop"); recorder.stop(); Log.i("video test", "release"); recorder.release(); Log.i("video test", "-----------------SUCCESS------------------"); finish(); } catch (Exception e) { Log.i("video test", e.toString()); recorder.reset(); recorder.release(); Log.i("video tets", "-------------------FAIL-------------------"); finish(); } } public static String get_path (Context context, String fname) { String path = context.getFileStreamPath("foo").getParentFile().getAbsolutePath(); String res = path+"/"+fname; Log.i("video test", "path: "+res); return res; } class listener implements MediaRecorder.OnInfoListener { public void onInfo(MediaRecorder recorder, int what, int extra) { Log.i("video test", "Video Info: "+what+", "+extra); } }

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• What is meant by "streaming data access" in HDFS?

  - by Van Gale

  According to the HDFS Architecture page HDFS was designed for "streaming data access". I'm not sure what that means exactly, but would guess it means an operation like seek is either disabled or has sub-optimal performance. Would this be correct? I'm interested in using HDFS for storing audio/video files that need to be streamed to browser clients. Most of the streams will be start to finish, but some could have a high number of seeks. Maybe there is another file system that could do this better?

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• Error in joining 4 AVI files.

  - by goldenmean

  Hello, I have 4 avi files. Each file can be played properly in VLC player, Windows media player. Video-Audio Codec type in each of this avi file is Xvid-Mpga. I used below avi joiners: Quick AVI joiner, AVI join, BoilSoft Video Joiner(trial version), but all of them gave an error when i select the first part avi file saying : "format of the part1.avi file cannot be recognized".. What could be the problem. How do i join these AVI files. Any pointers will help. Thanks. -AD.

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• Encode real-time dvb-s stream using mencoder

  - by karatchov

  My satellite receiver can stream the mpeg-2 video/audio output through lan. Using mencoder, I'm trying to build a script to encode and save the stream in real time with my Core2Duo 1.8 Ghz. Right now, I'm using a single pass, it produces good quality for a video rate of 800Kb/s, but takes more then 95% of CPU power, thus making a lot of frameskips is the computer is used while encoding. mencoder -o -vf lavcdeint -oac mp3lame -lameopts abr:q=2:aq=2 -ovc x264 -ffourcc avc1 -x264encopts crf=25:me=hex:subq=9:frameref=2:nocabac:threads=auto -mc 3 So, I'm considering using a 2-pass encoding to alleviate the processor and record 100% of the stream. But I have no idea how to start. For the info: Standard Stream: mpeg-2 720*576 25fps HD Stream: 1920*1080 50fps (this is not my goal to record it, but it will be super cool if I could)

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• Samba authentication problem when attempting to connect from Windows client

  - by Camsoft

  I've got a Linux server running Ubuntu and Samba. I've created two shares in Samba that point to directories that are owned by the user "cameron". When I attempt to connect to these shares on Windows 7 is connects and allows me to see the files but they are read-only. This is the desired action for guest users but not for authenticated users. My user on the Windows client is "Cameron" and has the same password as the Linux user "cameron". I don't think my Windows user has authenticated against the Linux user. I even created a users.map file to map the user cameron (linux) to Cameron (windows) but still it does not work. Here is my samba config file (UPDATED): [global] server string = %h server (Samba, Ubuntu) map to guest = Bad User passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . username map = /etc/samba/users.map syslog = 0 log file = /var/log/samba/log.%m max log size = 1000 os level = 65 preferred master = Yes dns proxy = No wins support = Yes usershare allow guests = Yes panic action = /usr/share/samba/panic-action %d valid users = cameron write list = cameron [www] path = /usr/local/apache2/htdocs write list = @www-data force group = www-data guest ok = Yes [cameron] path = /home/cameron write list = @www-data force group = www-data guest ok = Yes

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• Fedora 16 can connect to samba share using smbclient but not in nautilus 3.2.1

  - by Nathan Jones

  I have a machine running Ubuntu 11.10 Server acting as a Samba server to share my home directory. Everything works fine on my Windows 7 machine, but on my Fedora 16 laptop, if I use Nautilus to try to access the share using smb://192.168.0.8/nathan in the location bar, it just has the loading cursor and does nothing. It never shows any errors, nothing. Using smbclient works just fine, but I'd like to get it working in Nautilus. I know that there can be problems with SELinux and Samba, so I created a file called booleans.local that contains samba_enable_home_dirs=1. My smb.conf file looks like this: # For Unix password sync to work on a Debian GNU/Linux system, the following # parameters must be set (thanks to Ian Kahan <<[email protected]> for # sending the correct chat script for the passwd program in Debian Sarge). passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . # This boolean controls whether PAM will be used for password changes # when requested by an SMB client instead of the program listed in # 'passwd program'. The default is 'no'. pam password change = yes # This option controls how unsuccessful authentication attempts are mapped # to anonymous connections map to guest = bad user ########## Domains ########### # Is this machine able to authenticate users. Both PDC and BDC # must have this setting enabled. If you are the BDC you must # change the 'domain master' setting to no # ; domain logons = yes # # The following setting only takes effect if 'domain logons' is set # It specifies the location of the user's profile directory # from the client point of view) # The following required a [profiles] share to be setup on the # samba server (see below) ; logon path = \\%N\profiles\%U # Another common choice is storing the profile in the user's home directory # (this is Samba's default) # logon path = \\%N\%U\profile # The following setting only takes effect if 'domain logons' is set # It specifies the location of a user's home directory (from the client # point of view) ; logon drive = H: # logon home = \\%N\%U # The following setting only takes effect if 'domain logons' is set # It specifies the script to run during logon. The script must be stored # in the [netlogon] share # NOTE: Must be store in 'DOS' file format convention ; logon script = logon.cmd # This allows Unix users to be created on the domain controller via the SAMR # RPC pipe. The example command creates a user account with a disabled Unix # password; please adapt to your needs ; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u # This allows machine accounts to be created on the domain controller via the # SAMR RPC pipe. # The following assumes a "machines" group exists on the system ; add machine script = /usr/sbin/useradd -g machines -c "%u machine account" -d /var/lib/samba -s /bin/false %u # This allows Unix groups to be created on the domain controller via the SAMR # RPC pipe. ; add group script = /usr/sbin/addgroup --force-badname %g ########## Printing ########## # If you want to automatically load your printer list rather # than setting them up individually then you'll need this # load printers = yes # lpr(ng) printing. You may wish to override the location of the # printcap file ; printing = bsd ; printcap name = /etc/printcap # CUPS printing. See also the cupsaddsmb(8) manpage in the # cupsys-client package. ; printing = cups ; printcap name = cups ############ Misc ############ # Using the following line enables you to customise your configuration # on a per machine basis. The %m gets replaced with the netbios name # of the machine that is connecting ; include = /home/samba/etc/smb.conf.%m # Most people will find that this option gives better performance. # See smb.conf(5) and /usr/share/doc/samba-doc/htmldocs/Samba3-HOWTO/speed.html # for details # You may want to add the following on a Linux system: # SO_RCVBUF=8192 SO_SNDBUF=8192 # socket options = TCP_NODELAY # The following parameter is useful only if you have the linpopup package # installed. The samba maintainer and the linpopup maintainer are # working to ease installation and configuration of linpopup and samba. ; message command = /bin/sh -c '/usr/bin/linpopup "%f" "%m" %s; rm %s' & # Domain Master specifies Samba to be the Domain Master Browser. If this # machine will be configured as a BDC (a secondary logon server), you # must set this to 'no'; otherwise, the default behavior is recommended. # domain master = auto # Some defaults for winbind (make sure you're not using the ranges # for something else.) ; idmap uid = 10000-20000 ; idmap gid = 10000-20000 ; template shell = /bin/bash # The following was the default behaviour in sarge, # but samba upstream reverted the default because it might induce # performance issues in large organizations. # See Debian bug #368251 for some of the consequences of *not* # having this setting and smb.conf(5) for details. ; winbind enum groups = yes ; winbind enum users = yes # Setup usershare options to enable non-root users to share folders # with the net usershare command. # Maximum number of usershare. 0 (default) means that usershare is disabled. ; usershare max shares = 100 # Allow users who've been granted usershare privileges to create # public shares, not just authenticated ones usershare allow guests = yes #======================= Share Definitions ======================= # Un-comment the following (and tweak the other settings below to suit) # to enable the default home directory shares. This will share each # user's home director as \\server\username [homes] comment = Home Directories browseable = yes # By default, the home directories are exported read-only. Change the # next parameter to 'no' if you want to be able to write to them. read only = no # File creation mask is set to 0700 for security reasons. If you want to # create files with group=rw permissions, set next parameter to 0775. ; create mask = 0775 # Directory creation mask is set to 0700 for security reasons. If you want to # create dirs. with group=rw permissions, set next parameter to 0775. ; directory mask = 0775 # By default, \\server\username shares can be connected to by anyone # with access to the samba server. Un-comment the following parameter # to make sure that only "username" can connect to \\server\username # The following parameter makes sure that only "username" can connect # # This might need tweaking when using external authentication schemes valid users = %S # Un-comment the following and create the netlogon directory for Domain Logons # (you need to configure Samba to act as a domain controller too.) ;[netlogon] ; comment = Network Logon Service ; path = /home/samba/netlogon ; guest ok = yes ; read only = yes # Un-comment the following and create the profiles directory to store # users profiles (see the "logon path" option above) # (you need to configure Samba to act as a domain controller too.) # The path below should be writable by all users so that their # profile directory may be created the first time they log on ;[profiles] ; comment = Users profiles ; path = /home/samba/profiles ; guest ok = no ; browseable = no ; create mask = 0600 ; directory mask = 0700 [printers] comment = All Printers browseable = no path = /var/spool/samba printable = yes guest ok = no read only = no create mask = 0700 # Windows clients look for this share name as a source of downloadable # printer drivers [print$] comment = Printer Drivers path = /var/lib/samba/printers browseable = yes read only = yes guest ok = no # Uncomment to allow remote administration of Windows print drivers. # You may need to replace 'lpadmin' with the name of the group your # admin users are members of. # Please note that you also need to set appropriate Unix permissions # to the drivers directory for these users to have write rights in it ; write list = root, @lpadmin # A sample share for sharing your CD-ROM with others. ;[cdrom] ; comment = Samba server's CD-ROM ; read only = yes ; locking = no ; path = /cdrom ; guest ok = yes # The next two parameters show how to auto-mount a CD-ROM when the # cdrom share is accesed. For this to work /etc/fstab must contain # an entry like this: # # /dev/scd0 /cdrom iso9660 defaults,noauto,ro,user 0 0 # # The CD-ROM gets unmounted automatically after the connection to the # # If you don't want to use auto-mounting/unmounting make sure the CD # is mounted on /cdrom # ; preexec = /bin/mount /cdrom ; postexec = /bin/umount /cdrom smbusers: <nathan> = <"nathan"> Any help would be very much appreciated! Thanks!

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• win7 amd64 guest in kvm does not have sound

  - by davidshen84

  hi, my host system is gentoo amd64, guest system is win 7 amd64. the guest system can work, except it does not have sound. i start kvm with -soundhw ac97, QEMU_AUDIO_DRV='alsa', and after i get into the guest system, i can see a 'Multimedia Audio Controller' in the device manager. but win7 cannot find the driver for it. i searched the network for a long time, and i cannot find a driver for intel ac97 for win7 amd64. i also tried -soundhw sb16, es1370, none of them work. please help me fix this.

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• Trying to install driftnet

  - by Andrew

  I'm trying to install driftnet. I think I've installed all the dependencies per the website but when I run make I get the error below. makedepend -- -g -Wall -I/usr/include/pcap -D_BSD_SOURCE `pkg-config --cflags gtk+-2.0` -DDRIFTNET_VERSION='"0.1.6"' `cat endianness` -- audio.c mpeghdr.c gif.c img.c jpeg.c png.c driftnet.c image.c display.c playaudio.c connection.c media.c util.c http.c cat: endianness: No such file or directory /bin/sh: makedepend: command not found make: *** [depend] Error 127 What have I done wrong? Is there something similar but more current?

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• Running a small IPTV station

  - by nixterrimus

  I'm looking to run an iptv station for my dorm. I know I can serve multicast so that's not a problem. The station will serve out podcasts and other cc licensed content. The target endpoint is xbmc- a media center. So far I know that I need to serve an rtp stream over udp that's streaming an mpeg-4 avc main or high profile with aac ( or ac3 ?) audio. I've had some luck using vlc with vlm to stream but it seems limited. What are my other options?  Everything has to run on Linux- hopefully open source. How can I use playlists and not live streams? What are my software options?

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• Good HDMI splitter/switch solution

  - by Mehper C. Palavuzlar

  I have a full HD TV which has only 2 HDMI ports on it. Since I have more than 2 devices I connect to TV (e.g. laptop, game console, DVD player), it becomes uncomfortable to plug in and plug out HDMI cables every time I need to use the relevant device. I need a cheap solution to increase the number of my HDMI ports at least to 3. What type of splitter/switch do you recommend? Does the quality of splitter matter, or do they all produce the same audio & video quality?

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• Cleaning Up Unused Users and Groups (Ubuntu 10.10 Server)

  - by PhpMyCoder

  Hello experts, I'm very much a beginner when it comes to Ubuntu and I've been learning the ropes by diving in and writing a (backend-language independent) web app framework that relies on apache, some clever mod_rewrites, Ubuntu permissions, groups, and users. One thing that really annoys my inner clean-freak is that there are loads of users and groups that are created when Ubuntu is installed that are never used (Or so I think). Since I'm just running a simple web app server, I would like to know: What users/groups can I remove? Since you'll probably ask for it...here's a list of all the users on my box (excluding the ones I know that I need): root daemon bin sys sync man lp mail uucp proxy backup list irc gnats nobody libuuid syslog And a list of all of the groups: root daemon bin sys adm tty disk lp mail uucp man proxy kmem dialout fax voice cdrom floppy tape sudo audio dip backup operator list irc src gnats shadow utmp video sasl plugdev users nogroup libuuid crontab syslog fuse mlocate ssl-cert lpadmin sambashare admin

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• [python] voice communication for python help!

  - by Eric

  Hello! I'm currently trying to write a voicechat program in python. All tips/trick is welcome to do this. So far I found pyAudio to be a wrapper of PortAudio. So I played around with that and got an input stream from my microphone to be played back to my speakers. Only RAW of course. But I can't send RAW-data over the netowrk (due the size duh), so I'm looking for a way to encode it. And I searched around the 'net and stumbled over this speex-wrapper for python. It seems to good to be true, and believe me, it was. You see in pyAudio you can set the size of the chunks you want to take from your input audiobuffer, and in that sample code on the link, it's set to 320. Then when it's encoded, its like ~40 bytes of data per chunk, which is fairly acceptable I guess. And now for the problem. I start a sample program which just takes the input stream, encodes the chunks, decodes them and play them (not sending over the network due testing). If I just let my computer idle and run this program it works great, but as soon as I do something, i.e start Firefox or something, the audio input buffer gets all clogged up! It just grows and then it all crashes and gives me an overflow error on the buffer.. OK, so why am I just taking 320 bytes of the stream? I could just take like 1024 bytes or something and that will easy the pressure on the buffer. BUT. If I give speex 1024 bytes of data to encode/decode, it either crashes and says that thats too big for its buffer. OR it encodes/decodes it, but the sound is very noisy and "choppy" as if it only encoded a tiny bit of that 1024 chunk and the rest is static noise. So the sound sounds like a helicopter, lol. I did some research and it seems that speex only can convert 320 bytes of data at time, and well, 640 for wide-band. But that's the standard? How can I fix this problem? How should I construct my program to work with speex? I could use a middle-buffer tho that takes all available data to read from the buffer, then chunk this up in 320 bits and encode/decode them. But this takes a bit longer time and seems like a very bad solution of the problem.. Because as far as I know, there's no other encoder for python that encodes the audio so it can be sent over the network in acceptable small packages, or? I've been googling for three days now. Also there is this pyMedia library, I don't know if its good to convert to mp3/ogg for this kind of software. Thank in in advance for reading this, hope anyone can help me! (:

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• How to render remote assistance to a person using Live Messenger?

  - by Cheeso

  There is a feature within Windows Live Messenger v9 that allows a person to ask for remote assistance. BBut as I understand it, this works only if the router is UPnP enabled on both ends. Today I tried this with a friend during an active chat session, and nothing happened. I suspect a router problem. as I am remote, I cannot configure the router for them. What's a good way to render remote assistance? Here's the scenario: it will be based on invitation only (it's not a remote desktop or "logmein" situation). It's a younger person, a computer novice, on the other end of the wire. I'll be assiting with their use of applications on the PC. I'd l ike to be able to SEE the screen, and also use the mouse and keyboard. I have used Ultra-Vnc on the target machine and vncviewer on my machine, on a LAN. It works well. But I don't think I can use that, because it's my kids' computer in my ex-wife's place, and I don't want her to accuse me of spying on her computer. That's why I need it to be invitation only. Advice please. Is there an easy way for me to set up Remote Assistance? IS there some other tool I can use?

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• Getting Server 2008 R2 to ignore all traffic from Internet-facing NIC, leaving it to a VM

  - by Wolvenmoon

  I got in to Server 2008 R2 via Dreamspark and would like to start learning on it. I don't have much option but to put it on a system sitting between the Internet and my home LAN due to electricity bills and the fact that 3 computers in an 11x11 space in 102 degree weather is pretty stygian. Currently I use a ClearOS gateway to manage everything, what I'd like to do is take my server 2008 R2 box, which has two NICs, and drop it at the head of my network. I'd want Server 2008 R2 to ignore all traffic on the external facing NIC and pass it to a virtual ClearOS gateway, and to put all its Internet traffic through its other NIC - which will face the rest of my network and be the default gateway for it. The theory is to keep the potentially vulnerable Server 2008 R2 install as tucked behind a Linux box as possible, without sacrificing too much performance. This is a home network that occasionally hosts dedicated game servers and voice chat servers, so most malicious activity is in the form of drive by non-targeted attacks, however, I don't trust Windows Server because I don't know the OS well enough, yet. So, three questions: How do I do this, am I going to be reasonably more secure doing this than if I just let the Server 2008 R2 rig handle all the network traffic and DHCP (not an option), and should I virtualize the Server 2008 R2 rig instead and if so in what? (Core 2 Duo e6600 w/ 5 gigs usable RAM)

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• Gmail notification in Ubuntu's native mail icon.

  - by D Connors

  So, new Ubuntu 10.04 up and running. Playing with the interface eventually got me curious about something. Up until now, I've only used the chat and broadcasting functionalities of the mail icon in Ubuntu's top panel, mostly because I take care of my mail on firefox so I don't need one more program (empathy) running on my poor little netbook. I'm currenty using gnome-gmail to set gmail as my default mail client in Ubuntu. But, when I click on the "Set up mail" item, inside the Panel's Mail icon, it simply brings up empathy. My question is: Is it possible (in any way whatsoever) to have my gmail notifications up there, configured so that clicking it will just take me to a gmail tab in Firefox? (instead of opening up empathy) This is really just some frivolous interest of mine, nothing important. Right now I'm using check-gmail to notify me of new mail, but the panel is really cramped up on my netbook, so it'd be nice to free up some room by getting rid of check-gmail and only using Ubuntu's mail icon. Ok, hope I was clear enough.

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