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Using a new install of GUI version 0.18.1.2 - Fluorine Fermi - I've downloaded the blockchain onto an old MacBook Pro (macOS High Sierra 10.13) with a 500GB SSD and 8GB of RAM (the maximum I can install on it).

However, I'm finding that the daemon fails to start.

When running monerod, I get "couldn't allocate RandomX cache".

I'd hoped to dedicate this old MacBook solely to running a Monero node, but am I correct in thinking that's it's just too old for the task? Is there anything else I could try on this MacBook which might work?

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    Do you know how to start monerod from the terminal? In that case, you should be able to resolve the issue with the command listed here: github.com/monero-project/monero/issues/… | Please let me know if you need further instructions.
    – dEBRUYNE
    Commented Oct 3, 2022 at 7:15
  • Thanks, but unfortunately I'm not overly confident with with CLI / Terminal. I've been opening monerod simply by opening it from within its folder in Finder. I'm keen to follow further instructions for how to do use the terminal using the command you linked to, if you're happy to provide additional hand-holding?
    – StrawbsUK
    Commented Oct 15, 2022 at 13:15
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    All right. Please try as follows. First, open Spotlight (the search feature), search for Terminal, and open it. Second, open Finder and browse to the directory of monerod. Third, drag monerod into the terminal. The terminal should now display the path of monerod . Fourth, in front of the path, add cd (make sure there is a space between cd and the rest of the path. Fifth, remove monerod from the path, so the path is basically the folder of monerod. Sixth, hit enter, the terminal should now switch to the directory of monerod. Seventh, type ls -al to verify [1/2]
    – dEBRUYNE
    Commented Oct 21, 2022 at 18:23
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    that you're in the correct directory (the list should show monerod). Lastly, in the terminal, type MONERO_RANDOMX_UMASK=8 ./monerod to start the daemon (monerod).
    – dEBRUYNE
    Commented Oct 21, 2022 at 18:23
  • I have followed your instructions and they have worked perfectly. The wallet and the daemon are now synchronised. Many thanks indeed. Just to clarify, each time I need to start monerod, I will need to do it from the terminal from now onwards? Is there a way to suggest that this issue could be addressed in a later version of the GUI wallet or is it too rare to bother with?
    – StrawbsUK
    Commented Oct 22, 2022 at 11:27

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