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• signing the web server certificate with the CA key

  - by user1064786

  I have problem in running the command below using openssl-0.9.8e and apache in Ubuntu 11.10. do you have any idea to resolve it? first i was receiving this error: No such file or directory:bss_file.c:169:fopen('openssl.cnf','rb') then i copied my modified openssl.cnf file in the /etc/ssl/ directory. now i receive an error regarding -in option: openssl ca -days 3650 –in server/requests/ciise.concordia.ca.csr –cert ./CA/ConcordiaCA.crt –keyfile ./CA/ConcordiaCA.key –out ./server/certificates/ciise.concordia.ca.crt -config openssl.cnf unknown option –in I also copied ciise.concordia.ca.csr in the upper directory, but the problem still persists I would appreciate any help:)

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• "Recipient address rejected" when sending an email to an external address with sendgrid

  - by WJB

  In postfix, I'm using relay_host to send an email to an external address using sendgrid, but I get an error about local ricipient table when sending an email from my PHP code. This is my main.cf in /postfix/ ## -- Sendgrid smtp_sasl_auth_enable = yes smtp_sasl_password_maps = static:username:password smtp_sasl_security_options = noanonymous smtp_tls_security_level = may header_size_limit = 4096000 relayhost = [smtp.sendgrid.net]:587 This is the error message from the log: postfix/smtpd[53598]: [ID 197553 mail.info] NOQUEUE: reject: RCPT from localhost[127.0.0.1]: 550 5.1.1 Recipient address rejected: User unknown in local recipient table; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<localhost.localdomain> One interesting thing is when I use "sendmail [email protected]" from the command line, the email is delivered successfully using SendGrid. I think it's because this uses postfix/smtp instead of postfix/smtpD the log for this says, postfix/smtp[18670]: [ID 197553 mail.info] AAF7313A7E: to=, relay=smtp.sendgrid.net[50.97.69.148]:587, delay=4.1, delays=3.5/0.02/0.44/0.18, dsn=2.0.0, status=sent (250 Delivery in progress) Thank you

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• OpenGL ES 2 on Android: native window

  - by ThreaderSlash

  According to OGLES specification, we have the following definition: EGLSurface eglCreateWindowSurface(EGLDisplay display, EGLConfig config, NativeWindowType native_window, EGLint const * attrib_list) More details, here: http://www.khronos.org/opengles/documentation/opengles1_0/html/eglCreateWindowSurface.html And also by definition: int32_t ANativeWindow_setBuffersGeometry(ANativeWindow* window, int32_t width, int32_t height, int32_t format); More details, here: http://mobilepearls.com/labs/native-android-api I am running Android Native App on OGLES 2 and debugging it in a Samsung Nexus device. For setting up the 3D scene graph environment, the following variables are defined: struct android_app { ... ANativeWindow* window; }; android_app* mApplication; ... mApplication=&pApplication; And to initialize the App, we run the commands in the code: ANativeWindow_setBuffersGeometry(mApplication->window, 0, 0, lFormat); mSurface = eglCreateWindowSurface(mDisplay, lConfig, mApplication->window, NULL); Funny to say is that, the command ANativeWindow_setBuffersGeometry behaves as expected and works fine according to its definition, accepting all the parameters sent to it. But the eglCreateWindowSurface does no accept the parameter mApplication-window, as it should accept according to its definition. Instead, it looks for the following input: EGLNativeWindowType hWnd; mSurface = eglCreateWindowSurface(mDisplay,lConfig,hWnd,NULL); As an alternative, I considered to use instead: NativeWindowType hWnd=android_createDisplaySurface(); But debugger says: Function 'android_createDisplaySurface' could not be resolved Is 'android_createDisplaySurface' compatible only for OGLES 1 and not for OGLES 2? Can someone tell if there is a way to convert mApplication-window? In a way that the data from the android_app get accepted to the window surface?

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• Becoming a Certified Information Professional

  - by Lance Shaw

  Yesterday, we participated with AIIM in a webinar about the Certified Information Professional (CIP) program that they are now offering.  The interest level is very high in the program, as evidenced by the high turnout at the event. You might be asking yourself, what does the Oracle WebCenter team care about an AIIM certification program? Well, we sponsored this program because we consistently find that the more educated our customers and prospects are, the more value they are going to get out of the technology we provide.  As an ECM vendor, we provide plenty of WebCenter product training and certifications to help you make the most of WebCenter technology. While these are essential and valuable, technologists that also have an operational command of the business and the various impacts that the flow of information can have are even more valuable to an organization. Thinking about the management of content and information and its effect on business process can have wide-ranging benefits, not only to your company but to your personal bottom line.  And let's be honest, a customer who is looking holistically at how content is managed is going to see more opportunities to leverage that content and in many cases, this will motivate the purchase of additional product licenses.   Now if you are regretting the fact that you missed the webinar yesterday, never fear!  It is now available for playback and you can view it at your convenience by visiting the AIIM website. We hope you find it informative and that you can personally profit from being able to showcase your certification as an Information Professional. Additionally, we hope it will help you identify additional opportunities to leverage Oracle WebCenter in order to further reduce your operational costs and drive your business forward.

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• RGB? CMYK? Alpha? What Are Image Channels and What Do They Mean?

  - by Eric Z Goodnight

  They’re there, lurking in your image files. But have you ever wondered what are image channels are? And what do they have to do with RGB and CMYK? Here’s the answer. The channels panel in Photoshop is one of the most disused and misunderstood parts of the program. But images have color channels with or without Photoshop. Read on to find out what color channels are, what RGB and CMYK are, and learn a little bit more about how image files work Latest Features How-To Geek ETC How to Recover that Photo, Picture or File You Deleted Accidentally How To Colorize Black and White Vintage Photographs in Photoshop How To Get SSH Command-Line Access to Windows 7 Using Cygwin The How-To Geek Video Guide to Using Windows 7 Speech Recognition How To Create Your Own Custom ASCII Art from Any Image How To Process Camera Raw Without Paying for Adobe Photoshop What is the Internet? From the Today Show January 1994 [Historical Video] Take Screenshots and Edit Them in Chrome and Iron Using Aviary Screen Capture Run Android 3.0 on a Hacked Nook Google Art Project Takes You Inside World Famous Museums Emerald Waves and Moody Skies Wallpaper Change Your MAC Address to Avoid Free Internet Restrictions

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• Cut in excel doesn't work, and copying tables from one program to another returns text

  - by Kristina

  My excel 2007 on Windows 7 operating system seems to have a probelm with regular cut function. when I highlight cells I want to cut and press cut (either on keyboard shortcut Ctrl+x, Home menu cut command, or from the right-click menu) cells start flashing for a split second and after that they only turn normal. When I want to paste them, they past as if copy function was used. If I try to rightclick to use function "insert cut cells" it is not one of the offered options at all. On my home computer I have same combination, Excel 2007 on windows 7 and it works just fine. COuld the problem be due to 64-bit win7 version at my job, and 32-bit version at home? Another problem is when I copy table from excel to word, in word pasting results in unformatted text instead of table as it was in excel. Did someone have such problems and can offer a solution? Thanx a lot.

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• Fabric and cygwin don't work with windows UNC paths

  - by tcoopman

  I have some strange problems with fabric deployment to Windows Server 2008r2. The thing I try to accomplish is to copy some files to a shared folder with a fabric script (this script does a lot of other things too, but only this step gives me problems). This is the problem: When I try to access a UNC(Universal Naming convention) path I always get access denied kind of answers if I run the script in fabric. When I run the command in an ssh prompt (same user) it works fine. Examples: cmd: robocopy f:/.... //share result: in ssh this works fine, in fabric I get "Logon failure: the user has not been granted the requested logon type aat this computer." cmd: cd //share result: in ssh this works fine, in fabric I get "//share: Not a directory" Further information: uname -a and whoami return exact the same thing in fabric and ssh. I also tried things like mount, net use, but these commands all have kind of the same problem.

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• arm-none-ebai-gcc does not work from mounted directory

  - by dmytro_lviv

  I want to build project for ARM micro controller. For this purpose in folder with project was placed script, which download toolchain and build him. After run this script toolchain was placed in folder with project. Folder with project placed on another logical disk (which shared between Win and Linux) and this disk is mounting each time when I start develop. (Mount by hand). When I start make, in terminal I receive error: make[3]: arm-none-eabi-gcc: Command not found The output from echo $PATH: /mnt/Smoothie-master/gcc-arm-none-eabi/bin:/usr/lib/lightdm/lightdm:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games The output from whereis arm-none-ebai-gcc: arm-none-ebai-gcc: All binaries files, which are relating to this toolchain are placed in the next directory: /mnt/Smoothie-master/gcc-arm-none-eabi/bin/ and has permissions: "-rwxrwxrwx" Before building this toolchain, I had another similar toolchain (another version of this), but installed through apt-get. And it was removed through apt-get before building new. Where is the problem? Thanks!

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• How can I limit the upload/download bandwidth on my CentOS server?

  - by Dan Nestor

  How can I limit the upload and download bandwidth on my CentOS server? This is a box with a single interface, eth0. Ideally, I would like a command-line solution (I've been trying to use tc), something that I could easily switch on and off in a script. So far I've been trying to do something like tc filter add dev eth0 protocol ip prio 50 u32 police rate 100kbit burst 10240 drop but I'm obviously missing a lot of knowledge and information. Can somebody help with a quick one-liner? Many thanks, Dan

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• How to generate a 8 bit per sample wav audio file in VLC

  - by Ahmed safan

  I'm using the following vlc command line to extract first 5 minutes of audio from video file "-I dummy -vvv --no-sout-video --sout-audio --no-sout-rtp-sap --no-sout-standard-sap --ttl=1 --sout-transcode-threads=5 --sout-transcode-high-priority --sout-keep --sout #transcode{acodec=s16l,channels=1,samplerate=8000,ab=64}:std{mux=wav,access=file,dst="c:\dest.wav"} "c:\originalvideo.mpg" --start-time=0 --stop-time=300 vlc://quit"; if ab=64 =64 k bits per second and samples per second=8 k samples then bits per sample=64/8=8 bits per sample but the problem is that the output file always has samples of 16 bits per sample. I know that sample can contain bits from 8 , 16, 24 to 32 bits per sample. i want to get 8 bits per sample file how can this be done ?

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• how to create iso dvd image for use with mac/osx "Disk Utility"?

  - by adolf garlic

  This seemed way easier on my pc. I would just pop a blank dvd in the drive, it asked what I wanted to do with it, to which I would respond, "burn dvd with nero" (paraphrasing), then I would pick "new" and just drag and drop the folders in there. Mac appears to have "Disk Utility" which just requires that I 'choose an image' but then doesn't bother to detail - how to do this - what the options mean e.g. format "mac OS extended (journaled)" is that ever going to be readable on a non mac machine? I want to create an ISO standard dvd as per the 'default' you'd get on nero. All the stuff on the web points to doing things with 'terminal' (the whole point of buying a mac was to get away from command line jiggery pokery - I'm trying to burn some photos not land a friggin lunar module here!) Please, if you can just provide some simple instructions on what I need to achive this I'd be extremely grateful. Ta muchley in advance.

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• Xubuntu 14.04 with Compton, strange screen tearing, only when playing videos though (advice needed)

  - by LinuxDudester

  Hello beloved community, Yet again I am in need of your great expertise. I ran into a very strange issue and just can't wrap my mind around it. I'm running Xubuntu 14.04 exclusively, with Compton installed. The OS runs great and I have absolutely no screen tearing when I move my windows around, scroll in my web browser, work in Gimp or Photoshop (wine) or even when I play very graphic demanding games, like Metro Last Light, Euro Truck Driver 2 and so on. There's not a tiny bit of tearing to see, but as soon as I play videos, in xbmc, vlc or parole media player the tearing begins (strangely enough this does not apply to youtube videos). I followed all available workarounds on askubuntu and the ubuntu forum,like the 50-xserver-command.conf, startx /etc/X11/Xsession /usr/bin/xbmc-standalone -- -bs or libsdl1.2debian fix and many more, but to no avail. I also tried the Open Source Nouveau display drivers as well, but for some odd reason they don't work so great on my system or at least with my graphics card. Even with Compton installed and configured, I have an extreme amount of screen tearing, as soon as I switch to the proprietary Nvidia drives the screen tearing is gone completely, except for the video playback with xbmc, vlc or parole media player. System info for your reference: OS: Xubuntu 14.04 Linux-x86_64 - Processor: Intel Core i7-4770S CPU @ 3.10GHz - Ram: 16 GB - GeForce GT 750M 1024 MB - Nvidia Driver: 331.38 Has anyone experienced such an odd issue or do you have any advice on how I could fix this? I would appreciate any help! Have a nice day!

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• Recover from running "route -f"

  - by James L.

  I was trying to capture localhost traffic with Ethereal, which doesn't work without re-routing localhost traffic to your router gateway. I didn't get the route command quite right, and messed up my routing table. I typed route -f to clear the routing table and rebooted, but when I finished rebooting, the routing table wasn't restored to its original state. I didn't use the -p parameter, so none of my changes should have persisted after a reboot. What can I do to restore the routing table to its default routes?

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• Python multithreading not working on VPS server

  - by Sabirul Mostofa

  I am running an python multithreaded application with multiple processes which scrapes data from some websites. While running on my localhost It works great, but on the vps server I am using( Centos 5.8, 2.6 GHZ with 4 cores) performs very slow. From the nethogs command I get the network usage too low. I get around 8KBps with 15 threads. On other hand, in my PC I get the usage around 100-120KBPS. I have read about the Python GIL and threading limitations. It seems GIL never releases the lock on the VPS though it should while doing I/0 Is there any configuration in the VPS that I need to change for the threading to work properly?

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• Unable to connect to mysql through JDBC connector through Tomcat or externally

  - by Stefan Kendall

  I've installed a stock mysql 5.5 installation, and while I can connect to the mysql service via the mysql command, and the service seems to be running, I cannot connect to it through spring+tomcat or from an external jdbc connector. I'm using the following URL: jdbc:mysql://myserver.com:myport/mydb with proper username/password, but I receive the following message: server.com: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. the driver has not received any packets from the server. and tomcat throws: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) Which seems to be the same issue as if I try to connect externally.

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• Nginx/FPM/PHP all php files say 'File not found.'

  - by Boon

  i just installed nginx 1.1.13 and php 5.4.0 on a centos 5.8 final 64bit machine. Nginx and PHP/Fpm are running, and I can run php scripts via ssh command line, but in the browser I keep getting 'File not found.' errors on all my PHP files. This is how I have my nginx.conf handle PHP scripts: location ~ \.php$ { root /opt/nginx/html; fastcgi_pass unix:/tmp/fpm.sock; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /opt/nginx/html$fastcgi_script_name; include fastcgi_params; } This is a direct copy/paste from my other servers, where it works fine with this setup (but they run older versions of php/fpm). Why am I getting those errors?

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• Recovering files that do not appear in the Recycle Bin, but are in the $Recycle.bin folder on external drive

  - by Zach Morgan

  Problem: I have an NTFS external drive with a $Recycle.bin folder on the root (E:/$Recycle.bin/) that has about 70gb worth of data. For whatever reason, the folder is no longer a hidden system file and no Windows machine I have used the drive on will show the files in the actual Recycle Bin. What I Want To Do: I want to atleast view the recycle bin files from this external, and all of the help articles I have read just talk about deleting the folder all together. I plan on reformating the drive, but first I need to see if there are any important deleted files. What Didn't Work: Recuva - didn't see any of my files Resetting the external's Recycle Bin via command prompt and moving the old $Recycle.bin files into the new external $Recycle.bin folder (I didn't read this anywhere, just made it up on my own)

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• How can I log all traffic with its exact length?

  - by Legate

  I want to process all packets with their size going through our gateway server (running Debian 4.0). My idea is to use tcpdump, but I have two questions. The command I'm currently thinking of is tcpdump -i iface -n -t -q. Is it guaranteed that tcpdump will process all packets? What happens if the CPU is working to full capacity? The format of the output lines is IP ddd.ddd.ddd.ddd.port > ddd.ddd.ddd.ddd.port: tcp 1260. What exactly is 1260? I have the suspicion that it is the payload in bytes of the packet, which would be exactly what I need, but I'm not sure. It might be the TCP Window Size. Or perhaps there is an even better way of doing this? I thought about a LOG rule in iptables, but tcpdump seems easier and I don't know whether iptables can log the packet lengths.

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• Is your TRY worth catching?

  - by Maria Zakourdaev

    A very useful error handling TRY/CATCH construct is widely used to catch all execution errors  that do not close the database connection. The biggest downside is that in the case of multiple errors the TRY/CATCH mechanism will only catch the last error. An example of this can be seen during a standard restore operation. In this example I attempt to perform a restore from a file that no longer exists. Two errors are being fired: 3201 and 3013: Assuming that we are using the TRY and CATCH construct, the ERROR_MESSAGE() function will catch the last message only: To workaround this problem you can prepare a temporary table that will receive the statement output. Execute the statement inside the xp_cmdshell stored procedure, connect back to the SQL Server using the command line utility sqlcmd and redirect it's output into the previously created temp table.  After receiving the output, you will need to parse it to understand whether the statement has finished successfully or failed. It’s quite easy to accomplish as long as you know which statement was executed. In the case of generic executions you can query the output table and search for words like“Msg%Level%State%” that are usually a part of the error message.Furthermore, you don’t need TRY/CATCH in the above workaround, since the xp_cmdshell procedure always finishes successfully and you can decide whether to fire the RAISERROR statement or not. Yours, Maria

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• Use apt-get source on a debian repo without using /etc/apt/source.list

  - by Erwan Queffélec

  I'm trying to use apt-get source as a regular user on a debian squeeze system. I want to retrieve the sources for cyrus-imapd-2.4 from the testing/wheezy repository. apt-get source works without root privileges; however, it seems there is no way to get apt-get to fetch anything from a repository that is not in /etc/apt/sources.list. Is there any command line option, alternate sources.list file, environment variable that will get apt to work with a custom repository ? I do have root access so I could change the /etc/apt/sources.list, however I really do not want to do that for a number of reason.

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• Using NOPASSWD for specific commands in sudoers file, PASSWD for all others

  - by jberryman

  I would like to configure sudo such that users can run some specific commands without entering a password (for convenience) and can run all other commands by entering a password. This is what I have, but this does not work; a password is always required: Defaults env_reset Defaults timestamp_timeout = 1 root ALL=(ALL:ALL) ALL # Allow members of group sudo to execute any command %sudo ALL=(ALL:ALL) NOPASSWD: /usr/sbin/pm-suspend, /usr/bin/apt-get, PASSWD: ALL #includedir /etc/sudoers.d Note that this is a debian system which uses this adding users to the "sudo" group method. Thanks.

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• Cron: job starts but doesn't complete

  - by Guandalino

  I have a problem with a cron job which starts but doesn't complete. Running the command manually works fine. I already read the page about cron issues and solutions here on AskUbuntu, tried the proposed solutions but didn't find an answer working in my case. I'm using Ubuntu 12.04. $ crontab -e SHELL=/bin/bash # otherwise it would be /bin/sh 59 16 * * * /bin/duply calendar backup > /tmp/duply.log Btw, the cron file ends with an empty line, as someone pointed out. Once the job has "finished"...: $ cat /tmp/duply.log Start duply v1.5.7, time is 2012-06-22 16:59:01. Instead, running manually the script it works correctly and gives this output: Start duply v1.5.7, time is 2012-06-22 17:06:39. [cut] ... here is a long output generated by duply. ... and yes, files have been backed up. [cut] --- Finished state OK at 17:06:42.581 - Runtime 00:00:03.170 --- I also tried to restart the cron daemon (sudo service cron restart) but nothing changed. Do you have any suggestion to fix the issue?

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• How to install Ubuntu 13.10 on Hybrid Disk alongside Windows 8.1

  - by user205691

  I am having trouble installing Ubuntu 13.10 on HP Envy 4-1046tx ultrabook. When i bought this, it came with windows 7 pre-installed, but i upgraded it to 8 and now recently to 8.1. But somehow, i feel 8.1 is slower or something went wrong with the upgrade and made my system slow. I want to try Dual booting Ubuntu 13.10 with windows 8.1 The system recovery drive has windows 7 recovery files. SSD has 4GB allocated to windows 8 (i think for hibernation/rapid start). 25GB of SSD is free and i want to install ubuntu on this SSD pointing it to "/" I will also shrink the windows partition (the only other partition available apart from recovery & SSD) to free up 100GB and allocate this space to "/home" during ubuntu installation. I tried the above steps while on windows 8, but not successful. Ubuntu installation went fine, but the grub was not loaded. I tried to deploy linux via EasyBCD, but after that also, selecting linux in the boot would load grub on command prompt and do nothing. While ubuntu installation, i also deleted the raid drivers with sudo dmraid -rE, but still ubuntu didnt recognize my windows. I think i am missing some steps, so this time i want to do it right with proper info before starting the process. My requirements: dual boot Ubuntu with windows 8.1 c:\ shrinked windows with 300GB on sda1, 100GB for /home on sda1 & ubuntu installed on 25GB SSD volume sda2 (this is mSata i think) GRUB or EFI that helps me load both OS properly without breaking anything SWAP partition can be added if needed on sda1 (4gb?)? I have backed up my drive and have a 16GB usb3.0 with ubuntu loaded. I hope i have mentioned everything i need and know.. All i need now is some guidance and what to do right so that this installation goes as planned :)

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• Cygwin/Git Bizarre Terminal Issue

  - by emptyset

  Alright, this is weird. First off, this is mintty running on up-to-date cygwin, with git pulled from cygwin's setup.exe. I am running zsh. $ git clone https://<user>@<domain>/<repository>/ ~/src/project/dev Initialized empty Git repository in /cygdrive/c/src/project/dev/.git/ Password: <actual password in plain text appears> # Nothing happens... ^C $ <password text that I just typed> zsh: command not found: <same password text> What is going on here? Is this a terminal problem, a shell problem, a git problem, or a cygwin problem? Update: Yes, I'm running the Cygwin git version, not the Windows version: $ which git /usr/bin/git $ git --version git version 1.7.1 $ /cygdrive/c/Program\ Files\ \(x86\)/Git/bin/git.exe --version git version 1.7.0.2.msysgit.0

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• Create 8.3 name for an existing directory

  - by Chris Karcher

  I have a machine that initially had 8.3 filename creation disabled. However, this was causing issues with some legacy software, so it was re-enabled. I'm wondering if it's possible to go back and "add" 8.3 filenames to certain existing directories. For example, say I have a directory named "C:\name with spaces" and I get the following output when I run "dir /x": C:\>dir /x Volume in drive C has no label. Volume Serial Number is 6873-65B8 Directory of C:\ 04/09/2010 01:57 PM <DIR> name with spaces ... I'd like to somehow add an 8.3 name for the directory without recreating it, and then get the following: C:\>dir /x Volume in drive C has no label. Volume Serial Number is 6873-65B8 Directory of C:\ 04/09/2010 01:57 PM <DIR> NAMEWI~1 name with spaces ... I tried the 'rename' command but it didn't do the trick.

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