Dougie Richardson

Every day is a school day

Tag: Plesk

  • Plesk high swap usage

    Seen warnings about high swap consumption in Plesk on Ubuntu 20.04.6 LTS:

    Had a look in top and noticed clamavd using 1.0G of swap. After a little digging around, it might be related to a change in ClamAV 0.103.0 where non-blocking signature database reloads were introduced.

    Major changes

    • clamd can now reload the signature database without blocking scanning. This multi-threaded database reload improvement was made possible thanks to a community effort.
      • Non-blocking database reloads are now the default behavior. Some systems that are more constrained on RAM may need to disable non-blocking reloads, as it will temporarily consume double the amount of memory. We added a new clamd config option ConcurrentDatabaseReload, which may be set to no.

    I disabled the option and the difference is dramatic:

    I’ll keep an eye on it I guess.

  • Update Plesk Docker Images

    Docker > Settings > Overview > Recreate, making sure that “Reset variable to default” is not checked.

    Finally start.

  • Renew SSL certificate in Plesk with IONOS

    Log in to IONOS – you need three files:

    • private key (.key)
    • certificate (.cer)
    • intermediate certificate (_INTERMEDIATE.cer)

    If you don’t have the private key, Revoke Old Certificate, then Reissue Certificate – on Firefox this is a bit weird but it’ll download the key file but until you open it won’t complete the reissue.

    In Plesk go to Websites & Domains > SSL/TLS Certificates > Advanced Settings > Add SSL/TLS Certificate.

    Enter a certificate name:

    Scroll to “Upload the certificate files”:

    Browse each file (it doesn’t matter that they’re cer rather than crt), use _INTERMEDIATE.cer for the CA certificate, then click Upload Certificate.