Discussion in 'Mac Ham Radio on macOS & iOS' started by W6PJJ, Nov 24, 2016.

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  1. W6PJJ

    W6PJJ Ham Member QRZ Page

    Today I downloaded the application WSJT-X so I could run it on my iMAC in the Ham-Shack. That computer is running 10. 11.6 El Capitan. Just when I thought I had done everything according to the prompts, I received a panel that says, "Unable to create shared memory segment." Probably a good answer if your a code-jockey but I have no idea of how to get past this warning. Anyone have a similar issue? Suggestions and advice, always welcome and appreciated.


    Don W6PJJ
  2. AI6AK

    AI6AK Ham Member QRZ Page

    Can you open a Word doc? I ask because I created a file to configure the Mac for WSJT-X and it explains how to fix the issue.
  3. K3DCW

    K3DCW QRZ Lifetime Member #212 Volunteer Moderator Platinum Subscriber Life Member QRZ Page

    The instructions in the README file included with the download tell how to address this. I can't remember the file name, but once you edit the values, you have to reboot for them to take effect. There have also been reports of some instances where copying and pasting, replacing the existing file with the one downloaded with the WSTJ-X DMG, or the use of odd editors has created extra spaces/carriage returns which prevent the changes from taking. I found it best to manually make the changes from the command line using Nano.

  4. W6PJJ

    W6PJJ Ham Member QRZ Page

    Yes, I can...I have Windows Office for Mac installed on that iMac.
  5. AI6AK

    AI6AK Ham Member QRZ Page

    OK Don, I just emailed it to you.
  6. W6PJJ

    W6PJJ Ham Member QRZ Page


    Thank you very much.

  7. AI6AK

    AI6AK Ham Member QRZ Page

    You're welcome Don. Any questions just ask away.
  8. NG9F

    NG9F Premium Subscriber QRZ Page

    I'm having the same issue and can't find the sysctl.conf file anywhere. I've used terminal to show system files and still no luck. Any help would be most appreciated!
  9. NG9F

    NG9F Premium Subscriber QRZ Page

    Help! I'm desperate!
  10. EA3HOE

    EA3HOE Ham Member QRZ Page

    find / -name sysctl.conf 2>/dev/null

    results in


    Hope this helps,


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