Package installations are usually CPU intensive processes. Check if unattended-upgrades is running when you observe high CPU usage.
If you observe that the package installation never finishes running, then it is worth killing the process and trying apt -f install to fix any broken package installation.
Reading state information⌠Done
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
after running apt dist-upgrade
Calculating upgrade⌠Done
The following packages have been kept back:
freedombox
it appears that matrix-synapse is also intermittently high in the background, although I have disabled this. Is my system trying to upgrade to 20.14.1 unsuccessfully?
Any thoughts? Should I just disable unattended-upgrades? My server performance is starting to slow as a result.
This appears to relate to matrix synapse indeed. The logs are full of the message below:
Error running setup - (âmatrixsynapseâ, ââ, âTraceback (most recent call last):\n File â/usr/share/plinth/actions/matrixsynapseâ, line 89, in subcommand_public_registration\n with open(REGISTRATION_CONF_PATH) as reg_conf_file:\nFileNotFoundError: [Errno 2] No such file or directory: â/etc/matrix-synapse/conf.d/freedombox-registration.yamlâ\n\nDuring handling of the above exception, another exception occurred:\n\nTraceback (most recent call last):\n File â/usr/share/plinth/actions/matrixsynapseâ, line 135, in \n main()\n File â/usr/share/plinth/actions/matrixsynapseâ, line 131, in main\n sub_command_method(arguments)\n File â/usr/share/plinth/actions/matrixsynapseâ, line 93, in subcommand_public_registration\n with open(ORIG_CONF_PATH) as orig_conf_file:\nFileNotFoundError: [Errno 2] No such file or directory: â/etc/matrix-synapse/homeserver.yamlâ\nâ)