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This is a walkthrough of setting up a PXE server to boot Ubuntu server live install .iso over network, all on an OPNsense device. No need for Dnsmasq or http/nfs server! Should be compatible with vanilla FreeBSD and HardenedBSD devices as well.
Guide made with OPNsense 20.7 and Ubuntu 20.04.2, with the assumption that your OPNsense device is at 192.168.1.1.
A couple issues I ran into with other guides is that Ubuntu's servers return 404 for older releases. Make sure to check each link used in this guide to make sure they exist! This guide works with BIOS as we use pxelinux.0 but it can be adapted fairly easily for UEFI boot.
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Notes on handling redirects in React Router v6, including a detailed explanation of how this improves on what we used to do in v4/5
Redirects in React Router v6
An important part of "routing" is handling redirects. Redirects usually happen when you want to preserve an old link and send all the traffic bound for that destination to some new URL so you don't end up with broken links.
The way we recommend handling redirects has changed in React Router v6. This document explains why.
Background
In React Router v4/5 (they have the same API, you can read about why we had to bump the major version here) we had a <Redirect> component that you could use to tell the router when to automatically redirect to another URL. You might have used it like this:
Helping your 'old' PC build faster with your mobile device (no root required)
Helping your 'old' PC build faster with your mobile device
It all happened when I decided to run Geekbench 5 on my phone: surprisingly the single-core performance matched my 'old'¹ Pentium T3200 and surpassed it in multicore. Since I've been having fun with distcc for the last few days, I asked myself: 'Can my phone really help my old laptop build faster? nah, hard to believe... but let's try'.
Without further ado: YES. Not only can my phone be faster, but it can significantly help in the build process, I believe the results below speak for themselves:
Building Git (#30cc8d0) on a Pentium T3200, 8m30s
Building Git (#30cc8d0) on a Pentium T3200 (2x 2.0 GHz)+ Snapdragon 636 (4x1.8 + 4x1.6 GHz), 2m9s