raspi

# List all possible power config GUIDs in Windows
# Run: this-script.ps1 | Out-File powercfg.ps1
# Then edit and run powercfg.ps1
# (c) Pekka "raspi" Järvinen 2017

$powerSettingTable = Get-WmiObject -Namespace root\cimv2\power -Class Win32_PowerSetting
$powerSettingInSubgroubTable = Get-WmiObject -Namespace root\cimv2\power -Class Win32_PowerSettingInSubgroup

Get-WmiObject -Namespace root\cimv2\power -Class Win32_PowerSettingCapabilities | ForEach-Object {
  $tmp = $_.ManagedElement

raspi

Settable via /etc/sysctl.conf:

integer kern.maxvnodes

Target for maximum number of vnodes

integer kern.maxfiles

Maximum number of files

integer kern.securelevel

Current secure level

raspi

# List Windows advanced power settings as MarkDown
# Use:
# this-script.ps1 | Out-File power.md
# Use powercfg to show hidden settings:
# powercfg -attributes <Group GUID> <GUID> -ATTRIB_HIDE
# example:
# powercfg -attributes 54533251-82be-4824-96c1-47b60b740d00 06cadf0e-64ed-448a-8927-ce7bf90eb35d -ATTRIB_HIDE
# (c) Pekka "raspi" Järvinen 2017-

$powerSettingSubgroubTable = Get-WmiObject -Namespace root\cimv2\power -Class Win32_PowerSettingSubgroup | Where-Object {$_.ElementName -ne $null}

raspi

# Download new packages but don't install them
# Save in /etc/systemd/system/

[Unit]
Description=Pacman Automatic Download (no install) service
After=network-online.target

[Service]
# Wait time if process hangs
TimeoutStopSec=5m

raspi

# systemctl --user enable murmur
# systemctl --user start murmur
# .config/systemd/user/murmur.service :
[Unit]
Description=Mumble Daemon
After=network.target

[Service]
Type=simple
ExecStart=/usr/bin/murmurd -ini murmur.ini -fg

raspi

#!/bin/bash
# source_*.png (source_1234.png) to mkv

find . -type f -iname "*.png" -printf "%f\n" | sort -n | xargs cat | ffmpeg -f image2pipe -i - output.mkv

raspi

pgrep -fi firefox | xargs -I{} find /proc/{}/fd -readable -type l -printf '%p%f: %l\n'

raspi

# Local chat with socat

# Server runs:
socat ABSTRACT-LISTEN:@chat,socktype=5,fork STDOUT

# Client:
socat ABSTRACT-CONNECT:@chat,socktype=5 -

raspi

from itertools import permutations
from typing import Generator, List

def gen(s: List[str]) -> Generator:
	for i in permutations(s, len(s)):
		yield list(i)

def acro(a:List[str]) -> Generator:
	for i in gen(a):
		firsts:List[str] = []

raspi

SELECT 
  d.datname db
FROM 
  pg_catalog.pg_database d
WHERE 
  d.datname NOT LIKE ALL (ARRAY ['template%', 'postgres'])
ORDER BY 1;