7wells

#!/bin/bash

# Remove existing "nameserver" lines from /etc/resolv.conf
sed -i '/nameserver/d' /etc/resolv.conf

# Run the PowerShell command to generate "nameserver" lines and append to /etc/resolv.conf
# we use full path here to support boot command with root user
/mnt/c/Windows/System32/WindowsPowerShell/v1.0/powershell.exe -Command '(Get-DnsClientServerAddress -AddressFamily IPv4).ServerAddresses | ForEach-Object { "nameserver $_" }' | tr -d '\r'| tee -a /etc/resolv.conf > /dev/null

7wells

#### How to build Lineage OS 17.1 for Lenovo Tab4 10 Plus (TBX704)

## References

# https://wiki.lineageos.org/devices/bacon/build
# https://xdaforums.com/t/how-to-build-lineageos-17-1-for-the-lenovo-tab4-10-plus.4275983
# Credits to: Ecthelion4 (see 2nd link)


## Prerequisites

7wells

#### How to create a shortcut in Windows startup folder for Pageant incl. encrypted keys

## References

# https://stackoverflow.com/questions/31814060/create-a-shortcut-with-parameters-added-to-the-program-path


# The below batch file creates a temporary vbs script, executes it to create the startup entry
# for pageant, and it cleanly deletes the temporary vbs file afterwards. As shown in the example,
# you can add multiple keys in `Arguments`. Replace them by your key file name(s). You might also need

7wells

# How to ensure that ser2net starts not too early (ie. not before the device is recognized)
#
sudo nano /lib/systemd/system/ser2net.service

# Add the following 2 lines in the [Unit] section:
After=network-online.target
Wants=network-online.target

# See also there: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1000622

7wells

# How to define Tecalor THZ heatpump:
#
define Mythz THZ <IP of device connected to heatpump>:2000
define FileLog_Mythz FileLog ./log/Mythz-%Y.log Mythz
attr Mythz interval_sDHW 600
attr Mythz interval_sHC1 600
attr Mythz interval_sGlobal 600
attr Mythz interval_sElectrDHWDay 3600
attr Mythz interval_sHeatDHWDay 3600
attr Mythz interval_sHeatRecoveredDay 3600

7wells

# How to enable MQTT2_CLIENT:
#
define MyMQTT MQTT2_CLIENT <IP of MQTT server>:1883

# How to set MQTT user name:
#
Go to FHEM => MyMQTT => attr MyMQTT
Select 'username' from drop-down menu (under 'MQTT2_CLIENT' heading)
Enter username in empty field and hit [Return] key

7wells

# How to add menu entries to FHEM's WebGUI:
#
# Click "Edit files" in navigation bar, then click on fhem.cfg
# In the new window, add following line to fhem.cfg (consider making a backup of fhem.cfg first):

attr WEB menuEntries Update,cmd=update,UpdateCheck,cmd=update+check,Restart,cmd=shutdown+restart

# To also add a menu entry for log file deletion, define an alias for the deletion command and add the menu entry, e.g.:
#
define c_dellog cmdalias dellog AS {qx(truncate $currlogfile --size 0);;Log 1, "logfile deleted";;}

7wells

# Enter following command to disable write protection for fhem.cfg (consider making a backup of fhem.cfg)
#
attr WEB editConfig 1

7wells

# Connect mobile device to PC/laptop via USB

# Connect to your Wifi network (PC/laptop and mobile device must be in the same Wifi)

# Enter command:
adb kill-server

# Enter command:
adb usb

7wells

# How to test mosquitto broker and client on Raspberry Pi OS
#
# Source: https://randomnerdtutorials.com/testing-mosquitto-broker-and-client-on-raspbbery-pi/
#

# Install mosquitto clients (if not already installed together with mosquitto broker)
#
sudo apt install mosquitto-clients

# Subscribe to topic "testTopic"