wmbusmeters-wiki
Installation of snapd
Please refer to official documentation for snapd installation - https://snapcraft.io/docs/installing-snapd and for snap usage - https://snapcraft.io/docs/getting-started
Remeber to follow documentation and install core snap - needed for interfaces to work
Installation of wmbusmeters Snap
Installing a snap is straightforward:
sudo snap install wmbusmeters
The stable channel is used by default, but opting to install from a edge channel is easily accomplished:
sudo snap install --channel=edge wmbusmeters
In stable channel latest releases of wmbusmeters will be available, but in edge channel wmbusmeters snap will contain all latest code changes.
Using the wmbusmeters Snap
After installing the Snap, the privileged access to USB interfaces and system process listing needs to be configured:
sudo snap connect wmbusmeters:raw-usb core:raw-usb
sudo snap connect wmbusmeters:system-observe core:system-observe
Using snap wmbusmeters service
For all wmbusmeters service actions snap command should be used
For example:
sudo snap services wmbusmeters
sudo snap restart wmbusmeters
Configuration for wmbusmeters
Configuration of wmbusmeters is located in
/var/snap/wmbusmeters/common/etc/
Logs are in
/var/snap/wmbusmeters/common/logs/
When changes are made to configuration, service must be restarted.
Those directories are persistent across updates - files will not be deleted or changed when updating snap. Files and directories are being deleted only when snap is removed.
On arm arch following error might show up - ERROR: ld.so: object '/usr/lib/arm-linux-gnueabihf/libarmmem-${PLATFORM}.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored. It is just a warning and can be disabled by commenting out /usr/lib/arm-linux-gnueabihf/libarmmem-${PLATFORM}.so from /etc/ld.so.preload