"to fix up" in Spanish

Context examples for "to fix up" in Spanish(!) These sentences come from external sources & may not be accurate. Therefore, we are not responsible for their content.
To fix this problem, free up disk space.
Para solucionar este problema, libera espacio en disco.
I need somewhere to stay: can you fix me up?
necesito alojamiento ¿me lo puedes arreglar?
did you fix up with John about the tickets?
¿arreglaste lo de las entradas con John?
I'll fix things up with her
lo arreglaré con ella