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--- zerver [2022/01/28 09:41] – created 84.56.181.156
+++ zerver [2022/11/20 20:35] – 10.100.0.1
@@ Line 1: / Line 1: @@
-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
+GiB SODIMM DDR3 Synchronous 1600 MHz (0.6 ns) (second slot empty)
+ Storage ports: 1xUSB3.0
+x intern 2.5"SATA
+x 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: haexenwe hostname:zerver
+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
+== 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 ???
+...

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