KWh meter setup: verschil tussen versies

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(10 tussenliggende versies door 3 gebruikers niet weergegeven)
Regel 1: Regel 1:
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The remote access to the [[KWh meter]] depends on a SSH tunnel on the [[MTA-Setup|MTA]].
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[[Category:Servers network & websites]]
  
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File in systemd at: /etc/systemd/system/kwh-tunnel.service:
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The remote access to the [[KWh meter]] depends on Wireguard[[Server setup| Wireguard]] and the kWh meter having a fixed IP.
  
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    [Unit]
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* IP address: 192.168.6.111
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    Description=Tunnel to kWh meter.
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* Port: 161 (snmp)
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    After=network.target
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* Protocol: SNMPv2 public/community string standard
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    [Service]
 
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    ExecStart=/usr/bin/ssh -i /etc/kwh-meter-tunnel -l dirkx -p 222 -T \
 
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        -o ServerAliveInterval=60 -o ExitOnForwardFailure=yes \
 
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        -L 9999:192.168.6.111:80 \
 
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        -L 1161:127.0.0.1:1161 \
 
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        83.163.200.191 -
 
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    RestartSec=30
 
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    Restart=always
 
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    [Install]
 
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    WantedBy=multi-user.target
 
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and as the systemd config service file
 
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    [Unit]
 
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    Description=Local end of SNMP Tunnel to kWh meter.
 
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    After=network.target
 
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    [Service]
 
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    ExecStart=/usr/bin/socat -T15 udp4-recvfrom:2161,bind=127.0.0.1,reuseaddr,fork tcp:127.0.0.1:1161
 
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    RestartSec=30
 
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    Restart=always
 
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    [Install]
 
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    WantedBy=multi-user.target
 
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and this is received by a SSH authorized key line on the space machine:
 
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      no-pty,permitopen="192.168.6.111:80",permitopen="127.0.0.1:1161",command="/usr/local/bin/socat tcp4-listen:1161,reuseaddr,fork UDP:192.168.6.111:161" \
 
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              ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC1...xPGezJYI0wMNlI9XiP kwh tunnel
 
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With localhost:9999 mapped in the CRM for those that need access.
 
  
 
= MRTG setup =
 
= MRTG setup =
Regel 65: Regel 32:
 
       Title[L1]: Phase 1 power
 
       Title[L1]: Phase 1 power
 
       PageTop[L1]: <H1>L1</H1>
 
       PageTop[L1]: <H1>L1</H1>
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       Target[L1]: 1.3.6.1.4.1.31034.2.8.1.5.1&1.3.6.1.4.1.31034.2.8.1.5.1:public@127.0.0.1:2161
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       Target[L1]: 1.3.6.1.4.1.31034.2.8.1.5.1&1.3.6.1.4.1.31034.2.8.1.5.1:public@IPKWHMETER:161
 
       MaxBytes[L1]: 50000
 
       MaxBytes[L1]: 50000
 
       YLegend[L1]: Ampere
 
       YLegend[L1]: Ampere
Regel 75: Regel 42:
 
       Title[L2]: Phase 2 power
 
       Title[L2]: Phase 2 power
 
       PageTop[L2]: <H1>L2</H1>
 
       PageTop[L2]: <H1>L2</H1>
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       Target[L2]: 1.3.6.1.4.1.31034.2.8.1.5.2&1.3.6.1.4.1.31034.2.8.1.5.2:public@127.0.0.1:2161
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       Target[L2]: 1.3.6.1.4.1.31034.2.8.1.5.2&1.3.6.1.4.1.31034.2.8.1.5.2:public@IPKWHMETER:161
 
       MaxBytes[L2]: 50000
 
       MaxBytes[L2]: 50000
 
       YLegend[L2]: Ampere
 
       YLegend[L2]: Ampere
Regel 85: Regel 52:
 
       Title[L3]: Phase 3 power
 
       Title[L3]: Phase 3 power
 
       PageTop[L3]: <H1>L3</H1>
 
       PageTop[L3]: <H1>L3</H1>
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       Target[L3]: 1.3.6.1.4.1.31034.2.8.1.5.3&1.3.6.1.4.1.31034.2.8.1.5.3:public@127.0.0.1:2161
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       Target[L3]: 1.3.6.1.4.1.31034.2.8.1.5.3&1.3.6.1.4.1.31034.2.8.1.5.3:public@IPKWHMETER:161
 
       MaxBytes[L3]: 50000
 
       MaxBytes[L3]: 50000
 
       YLegend[L3]: Ampere
 
       YLegend[L3]: Ampere
Regel 95: Regel 62:
 
       Title[Power]: Power
 
       Title[Power]: Power
 
       PageTop[Power]: <H1>Power</H1>
 
       PageTop[Power]: <H1>Power</H1>
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       Target[Power]: 1.3.6.1.4.1.31034.2.8.1.5.1&1.3.6.1.4.1.31034.2.8.1.5.1:public@127.0.0.1:2161 + 1.3.6.1.4.1.31034.2.8.1.5.2&1.3.6.1.4.1.31034.2.8.1.5.2:public@127.0.0.1:2161 + 1.3.6.1.4.1.31034.2.8.1.5.3&1.3.6.1.4.1.31034.2.8.1.5.3:public@127.0.0.1:2161
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       Target[Power]: 1.3.6.1.4.1.31034.2.8.1.5.1&1.3.6.1.4.1.31034.2.8.1.5.1:public@IPKWHMETER:161 + 1.3.6.1.4.1.31034.2.8.1.5.2&1.3.6.1.4.1.31034.2.8.1.5.2:public@IPKWHMETER:161 + 1.3.6.1.4.1.31034.2.8.1.5.3&1.3.6.1.4.1.31034.2.8.1.5.3:public@IPKWHMETER:161
 
       MaxBytes[Power]: 200000
 
       MaxBytes[Power]: 200000
 
       YLegend[Power]: Ampere
 
       YLegend[Power]: Ampere
Regel 102: Regel 69:
 
       Factor[Power]: 0.01
 
       Factor[Power]: 0.01
 
       YTicsFactor[Power]: 0.01
 
       YTicsFactor[Power]: 0.01
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Webserver config in ```/etc/apache2/sites-enabled/mrtg.conf```
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      Alias /mrtg      /var/www/mrtg
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      DirectoryIndex index.html
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      <Directory /var/www/mrtg>
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      Options All +Indexes
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      order deny,allow
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      allow from all
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      Require all granted
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      </Directory>

Huidige versie van 26 mrt 2025 om 17:02


The remote access to the KWh meter depends on Wireguard Wireguard and the kWh meter having a fixed IP.

  • IP address: 192.168.6.111
  • Port: 161 (snmp)
  • Protocol: SNMPv2 public/community string standard

MRTG setup

This should be fixed - i.e. not run as root !! 

   [Unit]
   Description=Multi-router Traffic Grapher
   After=syslog.target

   [Service]
   Environment=LANG=C
   ExecStart=/usr/bin/mrtg --daemon 
   Type=forking
   SuccessExitStatus=0 1

   [Install]
   WantedBy=multi-user.target

Config file: 

     # This file is for use with mrtg-2.5.4c
     WorkDir: /var/www/mrtg
     WriteExpires: Yes
                 
     Title[L1]: Phase 1 power
     PageTop[L1]: <H1>L1</H1>
     Target[L1]: 1.3.6.1.4.1.31034.2.8.1.5.1&1.3.6.1.4.1.31034.2.8.1.5.1:public@IPKWHMETER:161
     MaxBytes[L1]: 50000
     YLegend[L1]: Ampere
     ShortLegend[L1]: A
     Options[L1]: gauge,nopercent,noo
     Factor[L1]: 0.01
     YTicsFactor[L1]: 0.01
     
     Title[L2]: Phase 2 power
     PageTop[L2]: <H1>L2</H1>
     Target[L2]: 1.3.6.1.4.1.31034.2.8.1.5.2&1.3.6.1.4.1.31034.2.8.1.5.2:public@IPKWHMETER:161
     MaxBytes[L2]: 50000
     YLegend[L2]: Ampere
     ShortLegend[L2]: A
     Options[L2]: gauge,nopercent,noo
     Factor[L2]: 0.01
     YTicsFactor[L2]: 0.01
     
     Title[L3]: Phase 3 power
     PageTop[L3]: <H1>L3</H1>
     Target[L3]: 1.3.6.1.4.1.31034.2.8.1.5.3&1.3.6.1.4.1.31034.2.8.1.5.3:public@IPKWHMETER:161
     MaxBytes[L3]: 50000
     YLegend[L3]: Ampere
     ShortLegend[L3]: A
     Options[L3]: gauge,nopercent,noo
     Factor[L3]: 0.01
     YTicsFactor[L3]: 0.01
     
     Title[Power]: Power
     PageTop[Power]: <H1>Power</H1>
     Target[Power]: 1.3.6.1.4.1.31034.2.8.1.5.1&1.3.6.1.4.1.31034.2.8.1.5.1:public@IPKWHMETER:161 + 1.3.6.1.4.1.31034.2.8.1.5.2&1.3.6.1.4.1.31034.2.8.1.5.2:public@IPKWHMETER:161 + 1.3.6.1.4.1.31034.2.8.1.5.3&1.3.6.1.4.1.31034.2.8.1.5.3:public@IPKWHMETER:161
     MaxBytes[Power]: 200000
     YLegend[Power]: Ampere
     ShortLegend[Power]: A
     Options[Power]: gauge,nopercent,noo
     Factor[Power]: 0.01
     YTicsFactor[Power]: 0.01

Webserver config in ```/etc/apache2/sites-enabled/mrtg.conf``` 

     Alias /mrtg      /var/www/mrtg
     
     DirectoryIndex index.html
     <Directory /var/www/mrtg>
     Options All +Indexes
     order deny,allow
     allow from all
     Require all granted
     </Directory>
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