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zerver [2022/01/28 10:05] – 84.56.181.156zerver [2022/11/20 20:36] (current) – 10.100.0.1
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-$wiki:editMode=viewMod+#wiki:editMode=viewMod 
 +== six watt should be enought for every home server in idle state ==
  
 ubuntu 20.04 LTS server live auf LENOVO Z70 teningen bokk (graficalModeGone) ubuntu 20.04 LTS server live auf LENOVO Z70 teningen bokk (graficalModeGone)
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 Hardware Setup: Hardware Setup:
 +
 + LENOVO_MT_80FG_BU_idea_FM_Lenovo Z70-80
 + Intel(R) Core(TM) i5-5200U CPU @ 2.20GHz
 + 4GiB SODIMM DDR3 Synchronous 1600 MHz (0.6 ns) (second slot empty)
 +
  Storage ports: 1xUSB3.0   Storage ports: 1xUSB3.0 
                 1x intern 2.5"SATA                 1x intern 2.5"SATA
                 1x DVD laufwerk Sata Adapter noch nicht getestet                 1x DVD laufwerk Sata Adapter noch nicht getestet
 +                alternative testen ob booten mit usb3 hub möglich
 +
 +  drive test an usb3.0 "länglicher NVME-Adapter mit 256gbSSD"
 +  z70@zerver ~> sudo hdparm -tT /dev/sda (witch cache)
 +  /dev/sda:
 +  Timing cached reads:   11000 MB in  1.99 seconds = 5517.21 MB/sec
 +  Timing buffered disk reads: 1306 MB in  3.00 seconds = 435.33 MB/sec
 +  z70@zerver ~> sudo hdparm -tT --direct /dev/sda (without cache)
 +  /dev/sda:
 +  Timing O_DIRECT cached reads:   720 MB in  2.00 seconds = 359.33 MB/sec
 +  Timing O_DIRECT disk reads: 1184 MB in  3.00 seconds = 394.60 MB/sec
 +
 +
 +
 +
 +
  
 Software Setup: Software Setup:
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 docker runtime environment docker runtime environment
  
-name: z70 user: z70 pw: haexenwe hostname:zerver+name: z70 user: z70 pw: haexen?? am hwe hostname:zerver
  
 DHCP DHCP
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 +  idle@:6W
 +  idle+hdd: 11W  
 +  stress-ng+hdd: 22w
 +  -BildschirmHintergrundBeleuchtung 6Watt
 +
 +== cpu stress ==
 +https://linuxhint.com/useful_linux_stress_test_benchmark_cpu_perf/
 +"sysbench cpu --threads=2 run" "stress-ng --cpu 4 --all"
 +
 +apt install net-tools (ifconfig)
 +
 +
 +== keep-ubuntu-server-running-on-a-laptop-with-the-lid-closed ==
 +https://askubuntu.com/questions/141866/keep-ubuntu-server-running-on-a-laptop-with-the-lid-closed
 +To disable entering the sleep mode I had to edit the /etc/systemd/logind.conf file and modify the line:
 +#HandleLidSwitch=suspend
 +to
 +HandleLidSwitch=ignore
 +Additionally, ensure that the file also has this line:
 +LidSwitchIgnoreInhibited=no
 +Then restart the OS via:
 +sudo service systemd-logind restart
 +
 +
 +
 +add userer pi
 +add user pi to sudo group "usermod -aG sudo username"
  
 +user z70 SUDO IOTstack https://sensorsiot.github.io/IOTstack/Getting-Started/
  
 +error:
 +nodered var/lib ro
 +nodered /dev/ACM serial ???
 +...
 + 
zerver.txt · Last modified: 2022/11/20 20:36 by 10.100.0.1

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