Today I learnt about iptables-apply. It undoes firewall rule changes if you've accidentally locked yourself out. Replaces my custom scripts!
miniblog.
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As tooling replaces low skill web devs, it only leaves opportunities for skilled pros. Interesting perspective:
Generic tech often replaces more specific h/w. Something similar is happening with USB: supporting power lets it displace the alternatives.
change-inner is also nice as it replaces zap-up-to-char in many use cases.