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• ffmpeg open webcam using YUYV but i want MJPEG

  - by Pavel

  I need ffmpeg to open webcam (logitech c910) in MJPEG mode, because the webcam can give ~24 using MJPEG "protocol" and only ~10 fps using the YUYV. Can i choose between them using ffmpeg command line? xx@(none) ~ $ v4l2-ctl --list-formats ioctl: VIDIOC_ENUM_FMT Index : 0 Type : Video Capture Pixel Format: 'YUYV' Name : YUV 4:2:2 (YUYV) Index : 1 Type : Video Capture Pixel Format: 'MJPG' (compressed) Name : MJPEG My current command line: ffmpeg -y -f alsa -i hw:3,0 -f video4linux2 -r 20 -s 1280x720 -i /dev/video0 -acodec libfaac -ab 128k -vcodec libx264 /tmp/web.avi ffmpeg produces corrupted h264 stream when i record from webcam, but normal h264 strem when i record from x11grab. Another codecs (mjpeg, mpeg4) works well with webcam... But this is another story.

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• MAC OSX 10.5.8 need to save rsync password with ssh-copy-id

  - by Brady

  Hello all, I'll start by saying I'm very new to MAC but comfortable in using the command line thanks to using a linux a lot. I currently have rsync setup to run between a MAC OSX 10.5.8 server to a Linux Centos 5.5 Server. This is the command I'm running on the MAC server: rsync -avhe ssh "/Path/To/Data" [email protected]:data/ As it does it prompts for a password but I need it to save the password. After looking around I need to use: ssh-keygen -t dsa save the passkey and then move it over to the Linux server using: ssh-copy-id -i .ssh/id_dsa.pub [email protected] But ssh-copy-id doesnt seem to exist on the MAC server. How do I copy this key over? I've tried searching for the answer myself but the help seems to be all over the place for this.. Any help is greatly appreciated. Scott

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• Powershell and long-running external tools?

  - by leeand00

  I'm trying to compact a MS-Access database using JetComp.exe using a powershell script. Here is the operative lines: # 4. Run JetComp LogWrite("Begin: Running JetComp") .\JETCOMP.EXE -src: $srcDB -dest: $dstDB | Out-Null #Run this command and wait for it to finish... IfErrorExit("Error Compacting Database") LogWrite("End: Running JetComp") The JETCOMP.EXE program seems to complete long before it is actually finished and the $dstDB ends up being smaller than the compact should even make it. Initially ($srcDB) it's about 1.8 GB and by the time the command finishes it's about 300,000 kb (about 0.29 gb) that's a pretty long way off from 1.8 gb which when compacted manually ends up being about 1.6 gb. Is there some sort of timeout I don't know about in powershell scripts? P.S. I know that when running JETCOMP.EXE manually, that the system often detects it as "not responding" even though it's actually getting the job done, and waiting long enough will allow it to complete.

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• Sendmail is refusing connection after configuring SMTP relay

  - by coder

  I'm setting up sendmail on my home computer to use with my webserver. I've set it to use my SMTP server provided by my hosting company. If I use the following command, it works sendmail -Am -t -v and then I enter the to and from emails. But if I try the following, it does not work. sendmail -v [email protected] < test.txt The TO email is the same as in the earlier command, but in this case I haven't specified a FROM e-mail, which I think is the problem. My guess is that it's sending the mail from user@localhost causing the smtp server to reject it. If so, how do I make it send from [email protected]?

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• How do I type Home on a MacBook Pro?

  - by Daryl Spitzer

  What combination of keys (fn, control, option, command, arrow keys) is the equivalent of the Home key on a MacBook Pro?

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• "svn: Cannot negotiate authentication mechanism" for OSX CLI and WinXp TortoiseSVN, but linux CLI works

  - by dacracot

  I had a working subversion server which used the passwd file which stores passwords in clear text. My requirements changed so that passwords now need to be encrypted. I did everything according to the book to use SASL, or so I believe, but now only the linux command line can authenticate. My OSX users, which also use command line, and my WinXp users, which use TortoiseSVN get errors. Linux versions are 1.6.11. OSX versions are 1.6.17. And TortoiseSVN versions are 1.7.4. /opt/subversion/QRpage/conf/svnserve.conf: [general] anon-access = none auth-access = write realm = ABC [sasl] use-sasl = true min-encryption = 128 max-encryption = 256 /etc/sasl2/svn.conf: pwcheck_method: auxprop auxprop_plugin: sasldb sasldb_path: /etc/sasldb2 mech_list: DIGEST-MD5 Then I add new users via: saslpasswd2 -c -f /etc/sasldb2 -u ABC dacracot But for instance OSX users get this error trying to check out: $ svn co svn://svn.nowhere.org/QRpage svn: Cannot negotiate authentication mechanism

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• Programmatically get the WLAN config of a machine and use netsh to setup new profile

  - by Maestro1024

  How can I programmatically get the wireless LAN configuration of a machine and use netsh to setup new profile? I am having trouble getting the netsh command to set the ssid of a new card. I installed the drivers and plugged it in. I see in ipconfig it says the "media is disconnected" (fair enough). I then send the following command netsh wlan connect name=profile1 ssid=myNetwork interface="Wireless Network Connection 2" problem is I get an error "There is no profile "profile1" assigned to the specified interface. What is a profile for a wireless card? What should I set it to? How can I get my SSID set and connected for the card?

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• No contact list in MSN

  - by David

  Since today I can't see my contact list en empathy IM, using the MSN protocol. I've tried uninstalling, reinstalling, erasing all config files from my computer (using ubuntu tweak and erasing the config files from my /home folder), but nothing solve the problem Time ago people have the same problem, they're solved it changing a line in a script, but that bug was solved in latest versions of empathy. I've tried to change that script, using other lines. /usr/lib/pymodules/python2.6/papyon/service/description/SingleSignOn/RequestMultipleSecurityTokens.py I've changed the line CONTACTS = ("contacts.msn.com", "MBI") by the older one: CONTACTS = ("contacts.msn.com","?fs=1&id=24000&kv=7&rn=93S9SWWw&tw=0&ver=2.1.6000.1") But this no fix the bug In advanced options I have this (in empathy account options): Server: messenger.hotmail.com Port: 1863 How can I solve this? Please help

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• Block elements vs inline elements in HTML: why the distinction?

  - by EpsilonVector

  The distinction between block and inline elements always seemed strange to me. The whole difference is that a block element takes up the entire width thus forcing a line break before and after the element, and an inline element only takes up as much as the content. Why not just have one type of element- an inline element where you can also apply custom height/width, and use that? You want line breaks? Insert a <br />, or maybe add a special tag in the CSS for that behavior. The way it's now, I don't see it solving any problem, and instead it only forces a property that in my opinion should be decided by a designer. So why the two types?

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• Error: Cannot find a valid baseurl for repo: updates in ffmpeg installation

  - by athomas14super

  Hi I have problem installing ffmpeg. I follow this url: https://www.crucialp.com/resources/tutorials/server-administration/how-to-install-ffmpeg-ffmpeg-php-mplayer-mencoder-flv2tool-LAME-MP3-Encoder-libog.php Setting up repositories core 100% |=========================| 1.1 kB 00:00 rpmforge 100% |=========================| 1.1 kB 00:00 Error: Cannot find a valid baseurl for repo: updates [root@02e7709 src]# yum install subversion ruby ncurses-devel Loading "installonlyn" plugin Setting up Install Process Setting up repositories core 100% |=========================| 1.1 kB 00:00 rpmforge 100% |=========================| 1.1 kB 00:00 Error: Cannot find a valid baseurl for repo: updates [root@02e7709 src]# svn checkout svn://svn.mplayerhq.hu/ffmpeg/trunk ffmpeg -bash: svn: command not found [root@02e7709 src]# svn command not found and throws error Error: Cannot find a valid baseurl for repo: updates I am installing in fedora core 6 64 bit

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• Encryption of OS X to Windows SMB traffic and password

  - by Brian

  I connected to a Windows Server 2008 R2 shared folder from a Mac OS X Mountain Lion computer over the Internet using this command: mount -t smbfs //user@server/path/to/share local_folder Is traffic encrypted by default? What settings do I look at (if any) to know whether it was encrypted? If it wasn't encrypted, what's the easiest way to encrypt it? Was the password I typed at the command line encrypted? Update: sysadmin1138 has addressed the password question. Does anyone know how I can tell if the traffic itself is being encrypted?

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• Why won't the floppy mount?

  - by dboarman-FissureStudios

  The 1.44Meg floppy won't mount in my Nautilus file browser. When I try to mount it, it says there is no media in the drive. Yet, I can write to the floppy through the terminal using the 'cp' command. I can enter the command: mount -t ext2 /floppy and it mounts. I have also run a check and the disk itself is 100% clean. So, why can't I get the nautilus browser to open up the floppy? Is there a way to see the actual floppy from the terminal?

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• Scriptable FTPS client able to send Keep Alive to control port?

  - by schultkl

  We need a FTP client that satisfies the following constraints: Windows Command-line scriptable, so we can automate it...sorry, FileZilla (?) FTPS, as it seems to perform better than SFTP The ability to send KeepAlive commands to the FTPS control port No passwords sent on the command line...sorry, curl Number 4, above, is critical: we have set KeepAlive in some other clients (e.g., CoreFTP LE) but we seem to have some routing equipment in the server environment which drops our connection when transferring a 7GB+ file. We have also set passive mode and "resume transfer" functionality seems currently broken with this secure file transport server...so we need to download the file in one go. What FTPS clients might meet our needs?

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• How do I make my USB Bluetooth dongle work in Ubuntu 11.04 ? (Can't init device hci0: Connection timed out (110)) [closed]

  - by MaikoID

  I've a USB bluetooth dongle root@maiko-cce-lin:~# lsusb | grep Bluetooth Bus 001 Device 007: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) that isn't working properly, hardly-ever it works but stops working in my next reboot. what I've tried it isn't software blocked root@maiko-cce-lin:~# rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no 1: hci0: Bluetooth Soft blocked: no Hard blocked: no my device is recognized by hciconfig root@maiko-cce-lin:~# hciconfig -a hci0: Type: BR/EDR Bus: USB BD Address: 00:1F:81:00:01:1C ACL MTU: 1021:4 SCO MTU: 180:1 DOWN RX bytes:330 acl:0 sco:0 events:8 errors:0 TX bytes:24 acl:0 sco:0 commands:30 errors:22 Features: 0xff 0x3e 0x09 0x76 0x80 0x01 0x00 0x80 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: Link mode: SLAVE ACCEPT but I can't turn on my hci interface root@maiko-cce-lin:~# hciconfig hci up Can't init device hci0: Connection timed out (110) I don't understand why.. the hcitool command doesn't show any device. root@maiko-cce-lin:~# hcitool dev Devices: I've tried to restart my bluetooth service too with this command and make all these previous commands again but without success. root@maiko-cce-lin:~# service bluetooth restart * Stopping bluetooth [ OK ] * Starting bluetooth [ OK ] root@maiko-cce-lin:~# The dongle works if you disconnect it from usb, wait a few seconds and connect it again. so there must be better solution for it ( a solution not involving physically removing the dongle!)

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• CentOS 6.5 proxy bypass/no_proxy not working

  - by Naruto Uzumaki

  I am running CentOS 6.5 on my desktop. I've set the Network Proxy using the network proxy application provided under Preferences. I've also set the following exceptions: localhost,127.0.0.0/8,172.16.0.0/12,192.168.0.0./16 But whenever I am using wget (I'm testing the proxy settings using using wget) then wget tries to connect to the proxy for private addresses, but wget localhost works fine and doesn't use the proxy. I also removed all the proxy settings and set the proxy in the shell: export http_proxy="<proxy_url>:<port>" export https_proxy="<proxy_url>:<port>" export no_proxy="localhost,127.0.0.0/8,172.16.0.0/12,192.168.0.0./16" It work when I use the command wget <external_url> or wget localhost but fails when I use the command wget <private address from the $no_proxy variable>. I also tried setting the variables in Ubuntu 14.04 also and facing the same issue. Regards,

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• Scripts on UNC paths take very long to run

  - by Álvaro G. Vicario

  I have several scripts in UNC paths (from Windows batch files to PHP scripts). No matter how I run them (double click on explorer, my editor's run command menu or Windows command prompt) they take really long to start running (like 14 seconds). Once they get started they run normally. This doesn't happen if I run them from mapped drives. I'm using Windows XP Professional SP3 inside an Active Directory domain and files are hosted in a Windows Server box (not sure about the version, it's an HP dedicated file server with bundled OS). Why does it happen? Is there a way to speed up things while using UNC paths?

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• Free Virtual Developer Day - Oracle Fusion Development

  - by Grant Ronald

  You know, there is no reason for you or your developers not to be top notch Fusion developers.  This is my third blog in a row telling you about some sort of free training.  In this case its a whole on line conference! In this on line conference you can learn about the various components that make up the Oracle Fusion Middleware development platform including Oracle ADF, Oracle WebCenter, Business Intelligence, BPM and more!  The online conference will include seminars, hands-on lab and live chats with our technical staff including me!!  And the best bit, it doesn't cost you a single penny/cent.  Its free and available right on your desktop. You have to register to attend so click here to confirm your place.

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• Critique of the IO monad being viewed as a state monad operating on the world

  - by Petr Pudlák

  The IO monad in Haskell is often explained as a state monad where the state is the world. So a value of type IO a monad is viewed as something like worldState -> (a, worldState). Some time ago I read an article (or a blog/mailing list post) that criticized this view and gave several reasons why it's not correct. But I cannot remember neither the article nor the reasons. Anybody knows? Edit: The article seems lost, so let's start gathering various arguments here. I'm starting a bounty to make things more interesting.

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• CentOS listen to everything on the wire

  - by Poni

  I know there's a native command on linux that will output (to stdout) every "event" related to a certain network interface (be it eth0 etc'). Like there's tail -f <file> to listen on file changes.. I just can't find it. I want to see all events, incoming packets, even dropped ones. At lowest level possible. In every protocol (TCP, UDP etc'). I think WireShark is a bit too big for this as I need something very simple just to see the events, it's for testing. What's the command?

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• Problems installing rails on Ubuntu 12.04. Rails gems library is empty

  - by Woho87

  I got some problem installing rails on Ubuntu 12.04. I have rails working on my Ubuntu for a little time. But for some reason I uninstall rails. When I decided to install it again with sudo gem install rails . The command rails -v doesn't work. When I run the command sudo gem install rails there is no error occurring just a message that saying: Successfully installed rails-3.2.6 I look at the folder /usr/lib/ruby/gems/1.8/gems/rails-3.2.6 and it is completely empty? I wonder how I can fix this problem?

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• How to find out details about hardware on the Linux machine?

  - by Evgeny

  -i.e - how to get a full list of hardware components in command line (on a machine with no window system) Thank you.

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• WOL not working

  - by Maciej Swic

  I have a Marvell Yukon integrated NIC and i have installed the WOL package on my freeBSD-based NAS. I'm trying to wake my PC using the command "wol M:A:C:A:D:D:R". Command line spits back that it is "waking" however nothing happens. I found no reference to WOL whatsoever in BIOS and i enabled Magic Packet WOL in windows on that interface. Also double-checked MAC addr and that i entered it in the correct format in "wol". I'm on Windows 7. What next? =/

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• Error trying to run a python program

  - by Ana

  Hello guys I'm actually new to Terminal and Python. Just started following a Python tuturial on my Ubuntu and I've reached a part where it asks me to save a .py file and open it in Terminal. Only when I try to type on Terminal $ python egotrip.py I get $: command not found Then I try to type it in python and I get File "", line 1 python egotrip.py ^ SyntaxError: invalid syntax But I mean all names are correct :( Then I gave also tried /home/anacah/Desktop/python/egotrip.py And I get Traceback (most recent call last): File "", line 1, in NameError: name 'home' is not defined What am I doing wrong? :( can someone please help?

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• Why is my FTP output file blank?

  - by Nathan Long

  From the Windows command prompt, I have FTPd to a Windows web server. I can get a file, and I can see a directory listing with dir, but I want to save that list locally. I tried dir > c:\somefile.txt, and the file is created, but it's blank. Same thing if I do ls > c:\somefile.txt. The result is the same when I FTP from a Linux box. FTP sends back the following: 200 PORT command successful 150 Opening ASCII mode data connection for /bin/ls 226 Transfer complete

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• playonlinux is unable to find 32bits / 64bits OpenGL library

  - by footy

  When I open a fresh instalation of playonlinux, it gives 2 dialog box as mentioned in title: playonlinux is unable to find 32bits OpenGL library playonlinux is unable to find 64bits OpenGL library I am using Ubuntu 12.04 (and new to it) and would like to know how to solve this problem EDIT TERMINAL OUTPUT ~$ playonlinux [main] Message: PlayOnLinux (4.1.8) is starting [clean_tmp] Message: Cleaning temp directory Xlib: extension "GLX" missing on display ":0". Xlib: extension "GLX" missing on display ":0". [Check_OpenGL] Warning: Xlib: extension "GLX" missing on display ":0". Xlib: extension "GLX" missing on display ":0". [Check_OpenGL] Warning: [main] Message: Filesystem is compatible [install_plugins] Message: Checking plugin: Capture... [maj_check] Message: Web version : 1349866727 [maj_check] Message: Current local version : 1349563245 [maj_check] Message: Updating list [install_plugins] Message: Checking plugin: ScreenCap... [install_plugins] Message: Checking plugin: PlayOnLinux Vault... /usr/share/playonlinux/bash/startup_after_server: line 38: [: : integer expression expected /usr/share/playonlinux/bash/startup_after_server: line 38: [: : integer expression expected [POL_Config_Write] Message: Config write: LAST_TIMESTAMP 1349866727

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