JSelec: a technical notes blog.

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  • SSL in Home Assistant

    Place your fullchain.pem and privkey.pem in folder /ssl Apply SSL to your HA Instance by adding the following code to your configuration.yaml

  • KPN / XS4ALL / pfSense IPTV

    (This article is in dutch language because it is only applicable on dutch TV providers) Hierbij mijn werkende configuratie voor IPTV met pfSense als router.Hierbij is op glasvezelaansluiting een NTU gemonteerd die het optische signaal omzet naar koper/UTP. Ik maak gebruik van een Qotom computer die voorzien is van 6 netwerk interfaces (Intell chipset). Daardoor…

  • Proxmox Host backup

    Backup the following folders/files: /var/lib/pve-cluster/config.db/etc/corosync/*/etc/network/interfaces/etc/hostname/etc/hosts

  • Victron MQTT configurations

    Add the following code to your mqtt.yaml file:

  • Ping network devices

  • Create sensor for remaining battery time

    In this example the home battery system has a capacity of 300Ah (15kWh / 48V).As a safe minimal value is 15% capacity left is chosen. When grid is failing, there is still 2.5kWh left. When charging occurs, this will be shown instead of the remaining time. You can use the created sensor ‘sensor.template_time_left_on_battery_min_soc’ to display…

  • Convert value ‘unavailable’ to 0

  • Proxmox backup already exists

    When you run into this error: “TASK ERROR: zfs error: cannot create ‘rpool/vm-302-state-update’: dataset already exists” Try this solution:

  • Proxmox ZFS replace drive

    1: have a look what is there: 2: set the hard drive you want to change offline: 3: change the hard drives physicallyshutdown and replace the disk (no hot-swap) 4: create an empty GPT Partition Table on the new hdd with parted: 5: replace them in the ZFS Pool: 6: have a look what’s going…

  • Remove Proxmox 6.x/5.1+ Subscription Notice

    (source: https://johnscs.com/remove-proxmox51-subscription-notice/) With the release of Proxmox 5.1 and newer (including 6.2) you’ll find the code related to the no subscription message that pops up on login has changed and prior instructions for removing it wont work. To remove “You do not have a valid subscription for this server” run the command bellow. You will…

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