| # Install ARCH Linux with encrypted file-system and UEFI | |
| # The official installation guide (https://wiki.archlinux.org/index.php/Installation_Guide) contains a more verbose description. | |
| # Download the archiso image from https://www.archlinux.org/ | |
| # Copy to a usb-drive | |
| dd if=archlinux.img of=/dev/sdX bs=16M && sync # on linux | |
| # Boot from the usb. If the usb fails to boot, make sure that secure boot is disabled in the BIOS configuration. | |
| # This assumes a wifi only system... |
| Enable systemd-networkd debugging | |
| mkdir -p /etc/systemd/system/systemd-networkd.service.d/ | |
| Create Drop-In /etc/systemd/system/systemd-networkd.service.d/10-debug.conf with following content: | |
| [Service] | |
| Environment=SYSTEMD_LOG_LEVEL=debug | |
| And restart systemd-networkd service: | |
| systemctl daemon-reload |
The plan is to create a pair of executables (ngrok and ngrokd) that are connected with a self-signed SSL cert. Since the client and server executables are paired, you won't be able to use any other ngrok to connect to this ngrokd, and vice versa.
Add two DNS records: one for the base domain and one for the wildcard domain. For example, if your base domain is domain.com, you'll need a record for that and for *.domain.com.
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A function is a mapping from one set, called a domain, to another set, called the codomain. A function associates every element in the domain with exactly one element in the codomain. In Scala, both domain and codomain are types.
val square : Int => Int = x => x * x