hello

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https://www.comparitech.com/blog/vpn-privacy/raspberry-pi-vpn/

https://askubuntu.com/questions/1271867/grub-does-not-detect-encrypted-ubuntu-on-second-disk https://askubuntu.com/questions/1351914/uefi-grub-fails-to-boot-encrypted-ubuntu-21-04-system-cant-find-command-crypt https://askubuntu.com/questions/1009646/how-to-fix-a-not-booting-ubuntu-setup-with-encrypted-root-disk

press c at the first boxthen ls to check your partitions/disksThen indicate which vmlinuz and imitrd.img you want to boot with.

these two sites are very useful… https://www.digitalocean.com/community/tutorials/how-to-create-a-self-signed-ssl-certificate-for-apache-in-ubuntu-18-04 https://www.digitalocean.com/community/tutorials/how-to-create-a-calibre-ebook-server-on-ubuntu-18-04 redirect incoming traffic to a service running at an internal port –> use proxy option.. https://serverfault.com/questions/977894/redirecting-https-url-to-service-running-on-a-different-port for example, if you have a ebook server running internal port 70 then, setup proxy as ‘/ebook/’ ‘http://localhost:70″and access this from outside by typing https://external_ip:port/ebook/ using this trick, you can link […]

https://necromuralist.github.io/posts/enabling-wake-on-lan/

this solution seems correct https://askubuntu.com/questions/1033274/ubuntu-18-04-connect-to-login-screen-over-vnc switch the display manager to lightdm, and then bind vnc with x11vnc Ubuntu 18.04 switched from LightDM to GDM3. Connecting to the login screen with VNC while using GDM3 is currently not possible. The easiest way to get this VNC functionality back is to simply switch back from GDM3 to […]

See how it looks

GPS low power consumption https://create.arduino.cc/projecthub/JeremyCook/gps-led-bike-speedometer-c8f956 arduino nema17 motor, a4988 driver https://lastminuteengineers.com/a4988-stepper-motor-driver-arduino-tutorial/ General purpose https://lastminuteengineers.com/