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zerver [2022/01/28 09:54] – 84.56.181.156zerver [2022/11/20 20:35] – 10.100.0.1
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-ubuntu 20.04 LTS server live+#wiki:editMode=viewMod 
 +== six watt should be enought for every home server in idle state ==
  
-ssh server user auth+ubuntu 20.04 LTS server live auf LENOVO Z70 teningen bokk (graficalModeGone) 
 +  installiert auf  256gb NVME SSD via einzigem USB3.0 
 + 
 +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  
 +                1x intern 2.5"SATA 
 +                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 
 + 
 +  -BildschirmHintergrundBeleuchtung 6Watt 
 + 
 + 
 + 
 + 
 +Software Setup: 
 +   
 +ssh server user auth 
  
 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
 +
 +== 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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