uchagani

Single:
avconv -acodec libmp3lame -i test.m4b test.mp3

Batch:
for f in *m4b; do avconv -i "$f" -acodec libmp3lame ${f%.m4b}.mp3"; done

Single:
ffmpeg -i input.wav -codec:a libmp3lame -qscale:a 7 output.mp3

Batch:

uchagani

import code; code.interact(local=dict(globals(), **locals()))

uchagani

Enable port forwarding on VirtualBox Machine from 2376 on host to 2376 on guest (Settings > Network > Adapter 1 NAT > Advanced > Port Forwarding), and then export the following in a shell. Docker Compose and other docker tools will work as expected.

export DOCKER_TLS_VERIFY="1"
export DOCKER_HOST="tcp://localhost:2376"

For docker-machine users:

uchagani

function RenameComputer($ComputerName)
{
   $computer = Get-WmiObject -Class Win32_ComputerSystem
   $computer.rename("$ComputerName")
      
   Remove-ItemProperty -path "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" -name "Hostname" 
   Remove-ItemProperty -path "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" -name "NV Hostname" 
   
   New-PSDrive -name HKU -PSProvider "Registry" -Root "HKEY_USERS"