mathias / List ip ranges for docker networks

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1	docker network inspect $(docker network ls -q) \| jq -r 'map(to_entries) \| map ([.[0].value, .[6].value.Config[0].Subnet ]) \| .[] \| @tsv' \| column -t

mathias / day.md

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Obsidian template for daily note

tags:

day
<% tp.date.now("YYYY") %> date: <% tp.date.now("YYYY-MM-DD") %>

<% moment(tp.file.title, "YYYY-MM-DD").format("YYYY-MM-DD") %>

Previous: [[<% tp.date.now("YYYY-MM-DD", -1, tp.file.title, "YYYY-MM-DD") %>]] | Next: [[<% tp.date.now("YYYY-MM-DD", 1, tp.file.title, "YYYY-MM-DD") %>]]

mathias / Remove old kernels in ubuntu

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Install latest kernel.
Reboot!!!
dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge

mathias / Generate random string

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Generates a random string usable for passwords or tokens

1	#!/bin/sh
2
3	tr -dc A-Za-z0-9 </dev/urandom \| head -c 40; echo