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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

name: z70 user: z70 pw: haexen?? am hwe hostname:zerver

DHCP

"apt install fish" fish als standart shell: "chsh -s `which fish`"

idle@:6W

apt install net-tools

== 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

error:
nodered var/lib ro
nodered /dev/ACM serial ???
...

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