===== APT: Updates for this repository will not be applied. =====

**Problema**.
<code>apt-get -y update && apt-get -y upgrade

Hit http://mirrors.buyvm.net wheezy Release.gpg
Get:1 http://mirrors.buyvm.net wheezy-updates Release.gpg [1,554 B]
Get:2 http://mirrors.buyvm.net wheezy/updates Release.gpg [1,554 B]
Hit http://mirrors.buyvm.net wheezy Release
Get:3 http://mirrors.buyvm.net wheezy-updates Release [136 kB]               
Hit http://mirrors.buyvm.net wheezy/updates Release    
E: Release file for http://mirrors.buyvm.net/debian-security/dists/wheezy/updates/Release is expired (invalid since 5d 23h 38min 57s). Updates for this repository will not be applied.</code>


** Tres posibles soluciones**.

**1.** Cambiar de repositorios (/etc/apt/sources.list).

**2.** Ejecutar el siguiente comando.
<code bash>apt-get -o Acquire::Check-Valid-Until=false update</code>

**3.** Ejecutar el siguiente comando.
<code bash>rm -rf /var/lib/apt/* && apt-get update</code>