Terminal, Software Center

Hola,
en la update, upgrade:
se interrumpe con este mensaje por terminal:
Get:1 Changelog for openjdk-7-jre-headless (http://changelogs.ubuntu.com/changelogs/pool/universe/o/openjdk-7/openjdk-7_7u75-2.5.4-1~precise1/changelog) [156 kB]
openjdk-7 (7u75-2.5.4-1~precise1) precise-security; urgency=medium

  * Backport to precise

 -- Jamie Strandboge <email address hidden> Mon, 26 Jan 2015 17:39:11 -0600

openjdk-7 (7u75-2.5.4-1) unstable; urgency=high

  * IcedTea7 2.5.4 release (based on OpenJDK 7u75).
  * Security fixes
    - S8046656: Update protocol support.
    - S8047125, CVE-2015-0395: (ref) More phantom object references.
    - S8047130: Fewer escapes from escape analysis.
    - S8048035, CVE-2015-0400: Ensure proper proxy protocols.
    - S8049253: Better GC validation.
    - S8050807, CVE-2015-0383: Better performing performance data handling.
    - S8054367, CVE-2015-0412: More references for endpoints.
    - S8055304, CVE-2015-0407: More boxing for DirectoryComboBoxModel.
    - S8055309, CVE-2015-0408: RMI needs better transportation considerations.
    - S8055479: TLAB stability.

pero aun asi, no se como solucionarlo, por favor gracias. por terminal para las actualizaciones, funciona mejor q' modo grafico. por eso lo uso.