raspi

#!/bin/bash

find . -maxdepth 1 -type f -iname "*.pdf" -exec gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dDownsampleColorImages=true -dColorImageResolution=150 -dNOPAUSE -dBATCH -sOutputFile={}.new.pdf {} \;

raspi

# Samba 4 config example
# Connected to existing remote Samba 4 Active Directory Directory Controller
# ZFS pool @ /storage
# Network is 192.168.101.0/24
# Samba is installed with:
# pkg install samba42 
# and then joined to existing AD with:
# samba-tool domain join <params>
# After this /usr/local/etc/smb4.conf is edited and restarted with /usr/local/etc/rc.d/samba_server restart

raspi

#!/bin/bash
# Get vendors from /proc/net/arp with systemd's OUI vendor database

set -eu
set -o pipefail

OUIDB=/usr/lib/udev/hwdb.d/20-OUI.hwdb

while IFS=$' ' read -r ipaddr htype flags mac mask iface;
do

raspi

var nativeEndian binary.ByteOrder

func init() {
	buf := [2]byte{}
	*(*uint16)(unsafe.Pointer(&buf[0])) = uint16(0xABCD)

	switch buf {
	case [2]byte{0xCD, 0xAB}:
		nativeEndian = binary.LittleEndian
	case [2]byte{0xAB, 0xCD}:

raspi

#!/bin/bash

# Cut a part of a video with FFMPEG

if [[ $# -eq 0 ]] ; then
    echo "Usage:"
    echo "  $0 <filename> <start position timestamp> <duration> [additional params]"
    echo ""
    echo "Example:"
    echo "  Cut 50 seconds starting from timestamp 01:23:45 from file myvid.mp4"

raspi

#!/bin/bash

# Crop a part of a video with FFMPEG

if [[ $# -eq 0 ]] ; then
    echo "Usage:"
    echo "  $0 <filename> <left> <right> <top> <bottom>"
    echo ""
    echo "Example:"
    echo "  $0 myvid.mp4 700 600 200 400"

raspi

# mac:
echo "..." | perl -pe 's@[\da-f:]{17}@xx:xx:xx:xx:xx:xx@ig'

# IPv4
echo "..." | perl -pe 's@[\d\.]{7,15}@X.X.X.X@ig'

raspi

$Shell=$Host.UI.RawUI

$size=$Shell.WindowSize
$size.width=120
$size.height=35
$Shell.WindowSize=$size

# buffer
$size = $Shell.BufferSize
$size.width=[system.console]::BufferWidth

raspi

# Fetch system specific information

# -- Get Operating system name such as "Win 10 Pro"
$replaceTable = @{
    "Microsoft" = ""
    "Windows" = "Win"
    "Professional" = "Pro"
    "Ultimate" = "Ult"
    "Enterprise" = "Ent"
    "Edition" = "Ed"

raspi

$items = Get-ItemProperty -Path 'Registry::HKey_Local_Machine\Software\Microsoft\Windows NT\CurrentVersion\ProfileList\*'

Foreach ($item in $items) {
    $objUser = New-Object System.Security.Principal.SecurityIdentifier($item.PSChildName)
    $objName = $objUser.Translate([System.Security.Principal.NTAccount])
    $item.PSChildName = $objName.value
}

Write-Output $items | Select-Object -Property PSChildName, ProfileImagePath