#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)
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
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 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 ??? …