Add Home Assisstant smart meter stuff

10-local_i2c_group.rules

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+# Make /dev/i2c-[0-9]* accessible to users from group "sasha" without sudo 
+KERNEL=="i2c-[0-9]*", GROUP="sasha"

Zhu Yuan.md

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+# Zhu Yuan SETUP
+
+## 1. OSInstall
+
+	Debian
+	Mount points - Data1
+	User setup   - sasha (with sudo)
+	Software selection - Basic utilities + SSH server
+
+## 2. Access
+
+- SSH is already enabled, now install NetworkManager and remove all interfaces except `lo` from `/etc/network/interfaces` and reboot.
+- [Disable password login!](https://www.cyberciti.biz/faq/how-to-disable-ssh-password-login-on-linux/)
+
+Network
+	Method  - Manual
+	LAN IP  - 192.168.10.42/24
+	Gateway - 192.168.10.254
+	DNS     - 192.168.10.254
+
+## 3. Wireguard 
+- Install `wireguard-tools` with apt and run
+
+```
+wget https://git.io/wireguard -O wireguard-install.sh && sudo bash wireguard-install.sh
+```
+	
+	
+## 4. Utilities
+
+	install packages: htop smartmontools lm-sensors unzip wireguard-tools
+
+## 5. Zram 
+
+```
+echo "zram" > /etc/modules-load.d/zram.conf
+echo "options zram num_devices=1" > /etc/modprobe.d/zram.conf
+echo 'KERNEL=="zram0", ATTR{disksize}="4G",TAG+="systemd"' > /etc/udev/rules.d/99-zram.rules
+```
+
+Create `/etc/systemd/system/zram.service` containing this:
+
+```
+[Unit]
+Description=Swap with zram
+After=multi-user.target
+
+[Service]
+Type=oneshot 
+RemainAfterExit=true
+ExecStartPre=/sbin/mkswap /dev/zram0
+ExecStart=/sbin/swapon /dev/zram0
+ExecStop=/sbin/swapoff /dev/zram0
+
+[Install]
+WantedBy=multi-user.target
+```
+
+Let Zram start on next boot:
+
+	sudo systemctl enable zram
+
+And reboot the machine.
+
+## 6. BOINC
+
+install via apt
+
+```
+sudo apt install boinc-client
+sudo systemctl enable --now boinc-client
+```
+
+## 7. CernVM-FS
+
+install from CERN repos
+
+```
+wget https://ecsft.cern.ch/dist/cvmfs/cvmfs-release/cvmfs-release-latest_all.deb
+sudo dpkg -i cvmfs-release-latest_all.deb
+rm -f cvmfs-release-latest_all.deb
+sudo apt-get update
+sudo apt-get install cvmfs
+sudo cvmfs_config setup
+```
+
+Put these in `/etc/cvmfs/default.local`, since we don't have a proxy
+
+```
+CVMFS_REPOSITORIES=atlas.cern.ch,atlas-condb.cern.ch,grid.cern.ch
+CVMFS_CLIENT_PROFILE=single
+```
+
+Test with
+
+```
+cvmfs_config probe
+```

boinc/app_config_template.xml

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+<app_config>
+  <app>
+    <name>myapp</name>
+    <gpu_versions>
+      <cpu_usage>1.0</cpu_usage>
+      <gpu_usage>0.5</gpu_usage>
+    </gpu_versions>
+  </app>
+</app_config>
+
+<app_config>
+   <project_max_concurrent>1</project_max_concurrent>
+</app_config>

boinc/boinc-client-amd-opencl.service

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+[Unit]
+Description=Berkeley Open Infrastructure Network Computing Client
+Documentation=man:boinc(1)
+After=network-online.target
+
+[Service]
+Environment=GPU_SINGLE_ALLOC_PERCENT=100
+Environment=GPU_MAX_HEAP_SIZE=100
+Environment=GPU_FORCE_64BIT_PTR=1
+Environment=GPU_USE_SYNC_OBJECTS=1
+Environment=GPU_MAX_ALLOC_PERCENT=100
+Type=simple
+ProtectHome=true
+PrivateTmp=true
+#ProtectSystem=strict
+#ProtectControlGroups=true
+ReadWritePaths=-/var/lib/boinc -/etc/boinc-client
+Nice=10
+User=boinc
+WorkingDirectory=/var/lib/boinc
+ExecStart=/usr/bin/boinc
+ExecStop=/usr/bin/boinccmd --quit
+ExecReload=/usr/bin/boinccmd --read_cc_config
+ExecStopPost=/bin/rm -f lockfile
+IOSchedulingClass=idle
+# The following options prevent setuid root as they imply NoNewPrivileges=true
+# Since Atlas requires setuid root, they break Atlas
+# In order to improve security, if you're not using Atlas,
+# Add these options to the [Service] section of an override file using
+# sudo systemctl edit boinc-client.service
+#NoNewPrivileges=true
+#ProtectKernelModules=true
+#ProtectKernelTunables=true
+#RestrictRealtime=true
+#RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX
+#RestrictNamespaces=true
+#PrivateUsers=true
+#CapabilityBoundingSet=
+#MemoryDenyWriteExecute=true
+
+[Install]
+WantedBy=multi-user.target

boinc/cc_config_template.xml

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+<cc_config>
+  <log_flags>
+    <task>1</task>
+    <file_xfer>1</file_xfer>
+    <sched_ops>1</sched_ops>
+  </log_flags>
+  <options>
+    <allow_remote_gui_rpc>1</allow_remote_gui_rpc>
+  </options>
+</cc_config>
+

boinc/screenlock.sh

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+#!/bin/bash
+
+# If screen is locked (GNOME Screensaver true), enable GPU computing. Otherwise disable GPU computing. 
+dbus-monitor --session "type='signal',interface='org.gnome.ScreenSaver'" |
+  while read x; do
+    case "$x" in
+      *"boolean true"*) boinccmd --set_gpu_mode always && echo "GPU Computing Enabled";;
+      *"boolean false"*) boinccmd --set_gpu_mode never && echo "GPU Computing Disabled";;
+    esac
+  done

pg-serverroom-monitor/configuration.yaml

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+# Loads default set of integrations. Do not remove.
+default_config:
+
+# Load frontend themes from the themes folder
+frontend:
+  themes: !include_dir_merge_named themes
+
+automation: !include automations.yaml
+script: !include scripts.yaml
+scene: !include scenes.yaml
+
+sensor:
+  - platform: serial
+    serial_port: /dev/ttyUSB_CH340
+    baudrate: 9600
+    
+template:
+  sensor:
+    - name: Temperature
+      unit_of_measurement: "°C"
+      state: "{{ states('sensor.serial_sensor').split()[2] | float(default=0) }}"
+      unique_id: temperature_sensor
+    - name: Humidity
+      unit_of_measurement: "%"
+      state: "{{ states('sensor.serial_sensor').split()[1] | float(default=0) }}"
+      unique_id: humidity_sensor
+
+modbus:
+  - name: "SDM230 Smart Meter"
+    type: serial
+    baudrate: 9600
+    bytesize: 8
+    method: rtu
+    parity: N
+    port: /dev/ttyUSB_FT232
+    stopbits: 1
+    sensors:
+    - name: Voltage
+      unit_of_measurement: Volts
+      slave: 2
+      address: 0
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_Voltage"
+    - name: Current
+      unit_of_measurement: Amps
+      slave: 2
+      address: 6
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_Current"
+    - name: Active_Power
+      unit_of_measurement: Watts
+      slave: 2
+      address: 12
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_ActivePower"
+    - name: Apparent_Power
+      unit_of_measurement: Watts
+      slave: 2
+      address: 18
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_ApparentPower"
+    - name: Reactive_Power
+      unit_of_measurement: Watts
+      slave: 2
+      address: 24
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_ReactivePower"
+    - name: Power_Factor
+      slave: 2
+      address: 30
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_PowerFactor"
+    - name: Frequency
+      unit_of_measurement: Hz
+      slave: 2
+      address: 70
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_Frequency"
+    - name: Import_Active_Energy
+      unit_of_measurement: kWh
+      slave: 2
+      address: 72
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_ImportActiveEnergy"
+    - name: Export_Active_Energy
+      unit_of_measurement: kWh
+      slave: 2
+      address: 74
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_ExportActiveEnergy"
+    - name: Import_Reactive_Energy
+      unit_of_measurement: kVARh
+      slave: 2
+      address: 76
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_ImportReactiveEnergy"
+    - name: Export_Reactive_Energy
+      unit_of_measurement: kVARh
+      slave: 2
+      address: 78
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_ExportReactiveEnergy"
+    - name: Total_Active_Energy
+      unit_of_measurement: kWh
+      slave: 2
+      address: 342
+      input_type: input
+      data_type: float32
+      precision: 2
+      state_class: total_increasing
+      unique_id: "SDM230_TotalActiveEnergy"
+    - name: Total_Reactive_Energy
+      unit_of_measurement: kVARh
+      slave: 2
+      address: 344
+      input_type: input
+      data_type: float32
+      precision: 2
+      unique_id: "SDM230_TotalReactiveEnergy"
+
+http:
+  # For extra security set this to only accept connections on localhost if NGINX is on the same machine
+  # Uncommenting this will mean that you can only reach Home Assistant using the proxy, not directly via IP from other clients.
+  # server_host: 127.0.0.1
+  use_x_forwarded_for: true
+  # You must set the trusted proxy IP address so that Home Assistant will properly accept connections
+  # Set this to your NGINX machine IP, or localhost if hosted on the same machine.
+  trusted_proxies: 192.168.10.41
+
+# Modpoll for CJ meter
+
+#./modpoll/x86_64-linux-gnu/modpoll -h
+#modpoll 3.10 - FieldTalk(tm) Modbus(R) Master Simulator
+#Copyright (c) 2002-2021 proconX Pty Ltd
+#Visit https://www.modbusdriver.com for Modbus libraries and tools.
+#
+#Usage: modpoll [OPTIONS] SERIALPORT|HOST [WRITEVALUES...]
+#Arguments: 
+#SERIALPORT    Serial port when using Modbus ASCII or Modbus RTU protocol 
+#              COM1, COM2 ...                on Windows 
+#              /dev/ttyS0, /dev/ttyS1 ...    on Linux 
+#HOST          Host name or dotted IP address when using MDBUS/TCP protocol
+#WRITEVALUES   List of values to be written. If none specified (default) modpoll reads data.
+#General options: 
+#-m ascii      Modbus ASCII protocol
+#-m rtu        Modbus RTU protocol (default if SERIALPORT contains a /)
+#-m tcp        MODBUS/TCP protocol (default otherwise)
+#-m udp        MODBUS UDP
+#-m enc        Encapsulated Modbus RTU over TCP
+#-a #          Slave address (1-247 for serial, 0-255 for TCP, 1 is default)
+#-r #          Start reference (1-65536, 100 is default)
+#-c #          Number of values to read (1-125, 1 is default), optional for writing (use -c 1 to force FC5 or FC6)
+#-t 0          Discrete output (coil) data type
+#-t 1          Discrete input data type
+#-t 3          16-bit input register data type
+#-t 3:hex      16-bit input register data type with hex display
+#-t 3:int      32-bit integer data type in input register table
+#-t 3:mod      32-bit module 10000 data type in input register table
+#-t 3:float    32-bit float data type in input register table
+#-t 4          16-bit output (holding) register data type (default)
+#-t 4:hex      16-bit output (holding) register data type with hex display
+#-t 4:int      32-bit integer data type in output (holding) register table
+#-t 4:mod      32-bit module 10000 type in output (holding) register table
+#-t 4:float    32-bit float data type in output (holding) register table
+#-i            Slave operates on big-endian 32-bit integers
+#-f            Slave operates on big-endian 32-bit floats
+#-e            Use Daniel/Enron single register 32-bit mode (implies -i and -f)
+#-0            First reference is 0 (PDU addressing) instead 1
+#-1            Poll only once only, otherwise every poll rate interval
+#-l #          Poll rate in ms, (1000 is default)
+#-o #          Time-out in seconds (0.01 - 10.0, 1.0 s is default)
+#Options for MODBUS/TCP, UDP and RTU over TCP:
+#-p #          IP protocol port number (502 is default)
+#Options for Modbus ASCII and Modbus RTU:
+#-b #          Baudrate (e.g. 9600, 19200, ...) (19200 is default)
+#-d #          Databits (7 or 8 for ASCII protocol, 8 for RTU)
+#-s #          Stopbits (1 or 2, 1 is default)
+#-p none       No parity
+#-p even       Even parity (default)
+#-p odd        Odd parity
+#-4 #          RS-485 mode, RTS on while transmitting and another # ms after
+
+# ./modpoll -c 80 -b 9600 -a 1 -1 -p none -t 3 /dev/ttyUSB0 
+# modpoll 3.10 - FieldTalk(tm) Modbus(R) Master Simulator
+# Copyright (c) 2002-2021 proconX Pty Ltd
+# Visit https://www.modbusdriver.com for Modbus libraries and tools.
+#
+#Protocol configuration: Modbus RTU, FC4
+#Slave configuration...: address = 1, start reference = 1, count = 80
+#Communication.........: /dev/ttyUSB0, 9600, 8, 1, none, t/o 1.00 s, poll rate 1000 ms
+#Data type.............: 16-bit register, input register table
+
+#-- Polling slave...
+#[1]: 8888
+#[2]: 256
+#[3]: 0
+#[4]: 1
+#[5]: 16
+#[6]: -30846
+#[7]: 5000
+#[8]: 3000
+#[9]: -31868
+#[10]: 3000
+#[11]: 6000
+#[12]: 257
+#[13]: 257
+#[14]: 257
+#[15]: 0
+#[16]: 0
+#[17]: 0
+#[18]: 0
+#[19]: 0
+#[20]: 0
+#[21]: 500
+#[22]: 30
+#[23]: -30844
+#[24]: 6000
+#[25]: 6000
+#[26]: 257
+#[27]: 0
+#[28]: 0
+#[29]: 0
+#[30]: 0
+#[31]: 0
+#[32]: 0
+#[33]: 0
+#[34]: 0
+#[35]: 0
+#[36]: 769
+#[37]: 1135
+#[38]: 2288
+#[39]: 0
+#[40]: 0
+#[41]: 2288
+#[42]: 0
+#[43]: 2288
+#[44]: 5216
+#[45]: 0
+#[46]: 0
+#[47]: 865
+#[48]: 0
+#[49]: 0
+#[50]: 865
+#[51]: 587
+#[52]: 0
+#[53]: 0
+#[54]: 587
+#[55]: 827
+#[56]: 999
+#[57]: 999
+#[58]: 827
+#[59]: 1046
+#[60]: 0
+#[61]: 0
+#[62]: 1046
+#[63]: 4995
+#[64]: 14
+#[65]: -25104
+#[66]: 0
+#[67]: 0
+#[68]: 9
+#[69]: -13187
+#[70]: 0
+#[71]: 0
+#[72]: 19305
+#[73]: -4744
+#[74]: 0
+#[75]: 0
+#[76]: 19228
+#[77]: -11734
+#[78]: 0
+#[79]: 0
+#[80]: 0
+

pg-serverroom-monitor/dht/dht.ino

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+#include "DHT.h"
+
+DHT dht;
+
+void setup()
+{
+  Serial.begin(9600);
+  dht.setup(3); // data pin 3
+  float humidity = dht.getHumidity(); 
+  float temperature = dht.getTemperature();
+  Serial.print(dht.getStatusString());
+  Serial.print("\t");
+  Serial.print(humidity, 1);
+  Serial.print("\t");
+  Serial.print(temperature, 1);
+  Serial.print("\n");
+
+}
+
+void loop()
+{
+
+}

reconnect-vpn.service

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+[Unit]
+Description=Reconnect VPN
+
+[Service]
+Type=oneshot
+ExecStart=nmcli con up vpn-name
+
+[Install]
+WantedBy=default.target

reconnect-vpn.timer

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+[Unit]
+Description=Reconnect VPN every 15 minutes
+
+[Timer]
+OnCalendar=*:0/15
+
+[Install]
+WantedBy=default.target

vncstart.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+# Start an x11vnc server on display :0 at port 5183, with password auth and continue running after client disconnects
+x11vnc -display :0 -forever -loop -noxdamage -repeat -rfbauth ~/.vnc/passwd -rfbport 5183 -shared

x11vnc.service

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+[Unit]
+Description=run x11vnc as a service
+
+[Service]
+Type=simple
+User=sasha
+WorkingDirectory=/home/sasha
+ExecStart=sh /home/sasha/vncstart.sh
+ExecStop=killall x11vnc
+
+[Install]
+WantedBy=graphical.target