[Dxspider-support] Node crash again - too many open files

Dirk Koopman djk at tobit.co.uk
Mon Apr 21 12:54:44 BST 2025


On 21/04/2025 12:52, Dirk Koopman via Dxspider-support wrote:
> Try ulimit -Hn On my machine (64GB RAM, 64bit Debian 12 bookworm) that 
> gives: 1048576 (file handles).
>
> If that is the case (or some similar large number) I am guessing that 
> you are using a distro that uses systemd, in which case the official 
> way of dealing with this is to:
>
> sudo vi /etc/security/limits.d/numproc.conf
Or something more sensible:

sudo vi /etc/security/limits.d/nofile.conf

Sheesh...
>
> and in that file, write something like:
>
> #<domain>    <type> <item>    <value>
> #
>   sysop       soft     nofile     2048
>
> save that file, then restart the whole machine.
>
> Then open a shell and check that the ulimit has changed.
>
> Dirk G1TLH
>
> On 20/04/2025 22:41, Keith, G6NHU wrote:
>> Second day in a row, a crash and restart as per below.
>>
>> Dirk, I know you suggested increasing ulimit in the shell which I 
>> thought I’d done yesterday (see my email from yesterday afternoon) 
>> but it appears not.
>>
>> I assume you’ve got around this with WA9PIE-2 so I’d really 
>> appreciate some help please.  I don’t want the node rebooting 
>> regularly like this, especially not at weekends but I don’t know what 
>> to do next.   The node runs as a service so how can I launch it from 
>> a shell script?  I am still relatively inexperienced with Linux so I 
>> just don’t know what to do here.
>>
>> Thanks,
>>
>> 73 Keith.
>>
>>
>>



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