Si al intentar descompactar un fichero .tar.xz obtienes los siguientes mensajes de error:
tar (child): xz: Cannot exec: No such file or directory tar (child): Error is not recoverable: exiting now tar: Child returned status 2 tar: Error is not recoverable: exiting now
debe resolverlo instalando el xz-utils
# apt-get -y install xz-utils
Lecturas recomendadas
– man tar