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Multiple Pi-holes

In this scenario we are configuring two Pi-holes running on the same network. pihole0 is the main DNS server while pihole1 is the secondary.

• pihole0
  • 192.168.1.4
  • http://pi.hole0/admin/
• pihole1
  • 192.168.1.5
• http://pi.hole1/admin/

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Overview

Ubuntu Desktop 20.04 supports a single ZFS boot drive out of the box. I wanted a ZFS mirror, without going through an entirely manual setup of Ubuntu as described by OpenZFS

This adds a mirror to an existing Ubuntu ZFS boot drive after the fact.

ZFS requires native encryption to be added at pool / dataset creation. Ubuntu 21.04 supports this during installation. Whether these instructions are suitable for mirroring such a setup has not been tested. For Ubuntu 20.04, these instructions are not suitable for creating an encrypted ZFS boot disk, please use the full instructions linked above for that. You can, however, add an encrypted dataset after the fact: You could encrypt just the portion of your file system that holds secrets.

Note: If your use case is running docker instances, and not a full-fledged Ubuntu install, then take a look at TrueNAS SCALE

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# https://github.com/K0p1-Git/cloudflare-ddns-updater

[Unit]
Description=Cloudflare DDNS updater
Wants=network-online.target
After=network-online.target

[Service]
Type=simple
ExecStart=/usr/local/bin/cloudflare-ddns-updater.sh

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[Unit]
Description=Timer for Cloudflare DDNS updater

[Timer]
OnCalendar=*:0/5
Persistent=true

[Install]
WantedBy=timers.target

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@-moz-document url(chrome://browser/content/browser.xhtml) {
	/* tabs on bottom of window */
	/* requires that you set
	 * toolkit.legacyUserProfileCustomizations.stylesheets = true
	 * in about:config
	 */
	#mainPopupSet ~ box { -moz-box-ordinal-group: 10; }
	#titlebar { -moz-box-ordinal-group: 10; }
	#urlbar {
		top: unset !important;

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---
For the window manager (here in bspwmrc):

# For java apps (Jetbrains)
export _JAVA_AWT_WM_NONREPARENTING=1
wmname LG3D &

---
In idea.properties of the JetBrains app (see URL):

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# /usr/bin/tic -x <this_file>
#	Reconstructed via infocmp from file: /usr/share/terminfo/t/tmux-256color
tmux-256color|tmux with 256 colors,
	OTbs, OTpt, am, hs, km, mir, msgr, xenl, AX, G0,
	colors#256, cols#80, it#8, lines#24, pairs#32767, U8#1,
	acsc=++\,\,--..00``aaffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~,
	bel=^G, blink=\E[5m, bold=\E[1m, cbt=\E[Z, civis=\E[?25l,
	clear=\E[H\E[J, cnorm=\E[34h\E[?25h, cr=^M,
	csr=\E[%i%p1%d;%p2%dr, cub=\E[%p1%dD, cub1=^H,
	cud=\E[%p1%dB, cud1=^J, cuf=\E[%p1%dC, cuf1=\E[C,

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#! /bin/bash

if ! fgrep -qs 'ctrl:new_ctrl  =   +new_ctrl(new_ctrl)' /usr/share/X11/xkb/rules/evdev; then
    sudo sed -i.bak '/ctrl:nocaps[[:blank:]]*=[[:blank:]]*+ctrl(nocaps)/a\
  ctrl:new_ctrl  =   +new_ctrl(new_ctrl)
' /usr/share/X11/xkb/rules/evdev
fi

cat <<'HEREDOC' |sudo tee /usr/share/X11/xkb/symbols/new_ctrl
partial modifier_keys

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True Color (24-bit) and italics with alacritty + tmux + vim (neovim)

This should make True Color (24-bit) and italics work in your tmux session and vim/neovim when using Alacritty (and should be compatible with any other terminal emulator, including Kitty).

Testing colors

Running this script should look the same in tmux as without.

curl -s https://gist.githubusercontent.com/lifepillar/09a44b8cf0f9397465614e622979107f/raw/24-bit-color.sh >24-bit-color.sh

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javascript: Promise.all([import('https://unpkg.com/turndown@6.0.0?module'), import('https://unpkg.com/@tehshrike/readability@0.2.0'), ]).then(async ([{
    default: Turndown
}, {
    default: Readability
}]) => {

  /* Optional vault name */
  const vault = "";

  /* Optional folder name such as "Clippings/" */