| PS1="˹${debian_chroot:+($debian_chroot)}\[\033[92m\]\w\[\033[00m\]\[\033[91m\]\$(__git_ps1)\[\033[00m\]\n˻ \[\033[01;34m\]$\[\033[00m\] " |
| KEY_NAME=MY-SECRET_KEY; ssh-keygen -t ed25519 -a 100 -N "" -f ~/.ssh/"${KEY_NAME}" -C "${KEY_NAME}" | |
| # Explanation | |
| KEY_NAME=MY-SECRET_KEY The name of the key, also used as filename | |
| -t ed25519 Use a ed25519 key | |
| -a 100 Use 100 key derivation function rounds (higher = slower) | |
| -N "" No password | |
| -f ~/.ssh/"${KEY_NAME}" Store the key at this location on your computer | |
| -C "${KEY_NAME}" Set the comment to the key name |
| #!/bin/bash | |
| set -euo pipefail | |
| IFS=$'\n\t' | |
| URL=${1:-} | |
| if [[ -z "$URL" ]]; then | |
| echo "USAGE: $0 URL TARGET-IP" | |
| exit 1 | |
| fi |
Adapted from caddy systemd Service Unit
The provided file should work with systemd version 219 or later. It might work with earlier versions.
The easiest way to check your systemd version is to run systemctl --version.
We will assume the following:
| # You can use this script to forward a postgres domain through ssh to your local machine | |
| # | |
| # Before you use this script, modify at least the HOST variable to specify your remote host | |
| # | |
| #!/bin/bash | |
| set -euo pipefail | |
| IFS=$'\n\t' | |
| HOST="user@yourhost" |
tunneld to /usr/local/bin/tunnelduseradd -r tunneld/etc/tunneld/usr/local/bin/certstrap
| package main | |
| import ( | |
| "context" | |
| "flag" | |
| "fmt" | |
| "log" | |
| "net/http" | |
| "os" | |
| "os/signal" |
| ssh user@host -C 'docker save <image> | bzip2' | bunzip2 | docker load | |
| docker save <image> | bzip2 | pv | ssh user@host 'bunzip2 | docker load' |
Global dataset: https://topotools.cr.usgs.gov/GMTED_viewer/
https://aws.amazon.com/public-datasets/terrain/
Explanation of generalization methods: https://topotools.cr.usgs.gov/pdfs/Gesch_Effects_of_DEM.pdf