perfSONAR User Q&A and Other Discussion

[Luke Whitworth <>]

I have thanks, it was truly invaluable for helping me get this far!

 

From: <> on behalf of Otto J Wittner <>
Date: Tuesday, 20 June 2023 at 15:42
To: <>
Subject: Re: [perfsonar-user] Testpoint container for rpi4

Hi,

... and the https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_perfsonar_perfsonar-2Dtestpoint-2Ddocker&d=DwIDaQ&c=KveGjKEXiH4bMFgGs-LRbCbewnnyGW6-rJ0JK7ViA_E&r=-JAqIBnznpnTGHSEH_Ecu22_lOwkkpiQZJS2IUispjA&m=4q00GdCYNSp2IWhE9xT32D87wzo7RAqhrmLgec2F27OKxU3fgMG_-wU631JrcqDz&s=ZBBVQVAkbWLwOCk5kIDKGNTL-81j1yFVZEVw2g8n6Bk&e= 
project might also be of some help, (but you've probably already been
there.)

O2

On 20.06.2023 16:31, Luke Whitworth wrote:
> Cheers Mark,
>
> I hadn’t really approached syslog so that makes sense…..cheers for the
> pointer.
>
> Luke
>
> *From: *Mark Feit <>
> *Date: *Tuesday, 20 June 2023 at 15:29
> *To: *Luke Whitworth <>,
> <>
> *Subject: *Re: Testpoint container for rpi4
>
> Luke Whitworth writes:
>
> Warning:  This is no doubt a huge mess, there’s probably much better
> ways to do this and running the container throws errors repeatedly such as:
>
>   …
>
> OSError: [Errno 9] Bad file descriptor
>
> FileNotFoundError: [Errno 2] No such file or directory
>
> Those errors are indicative of syslog clients being unable to connect to
> the log socket.  The entry point script attempts (and fails) to start
> “rysylog” instead of “rsyslog” and that socket ends up not existing.
>
> If I can offer a couple of suggestions:
>
>   * Shell scripts should always have the -e switch in effect so they die
>     immediately when something fails.  This error would have torpedoed
>     the container before it got off the ground.  The trade-off is that
>     you have to take explicit steps to make sure the shell doesn’t exit
>     on failures you don’t care about.
>   * Consider custom-configuring rsyslog so it sends log message to
>     another server over the network.  That will cut down on disk write
>     activity.
>
> --Mark
>
>
> --
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--
Otto J Wittner, PhD, Senior Engineer
https://urldefense.proofpoint.com/v2/url?u=https-3A__sikt.no&d=DwIDaQ&c=KveGjKEXiH4bMFgGs-LRbCbewnnyGW6-rJ0JK7ViA_E&r=-JAqIBnznpnTGHSEH_Ecu22_lOwkkpiQZJS2IUispjA&m=4q00GdCYNSp2IWhE9xT32D87wzo7RAqhrmLgec2F27OKxU3fgMG_-wU631JrcqDz&s=0fJ6eWcGh4VcaTlU-vctGHqdw9hCcdP3gXRFbzgTTC4&e=      +47 99550566