安装失败 这是怎么回事

某男子

Error Downloading Packages:
  openssl-devel-0.9.8e-20.el5.i386: Insufficient space in download y /var/cache/yum/base/packages
    * free   596 k
    * needed 1.9 M
  cpp-4.1.2-51.el5.i386: Insufficient space in download y /var/cache/yum/base/packages
    * free   596 k
    * needed 2.7 M
  kernel-devel-2.6.18-274.3.1.el5.i686: Insufficient space in download y /var/cache/yum/updates/packages
    * free   596 k
    * needed 5.6 M
  db4-devel-4.3.29-10.el5_5.2.i386: Insufficient space in download y /var/cache/yum/base/packages
    * free   596 k
    * needed 1.9 M
  gcc-4.1.2-51.el5.i386: Insufficient space in download y /var/cache/yum/base/packages
    * free   596 k
    * needed 5.2 M
  mesa-libGL-6.5.1-7.8.el5.i386: Insufficient space in download y /var/cache/yum/base/packages
    * free   596 k
    * needed 9.6 M
  mod_perl-2.0.4-6.el5.i386: Insufficient space in download y /var/cache/yum/base/packages
    * free   596 k
    * needed 4.0 M
  glibc-devel-2.5-65.i386: Insufficient space in download y /var/cache/yum/base/packages
    * free   596 k
    * needed 2.0 M
  libstdc++-devel-4.1.2-51.el5.i386: Insufficient space in download y /var/cache/yum/base/packages
    * free   596 k
    * needed 2.8 M
  gcc-c++-4.1.2-51.el5.i386: Insufficient space in download y /var/cache/yum/base/packages
    * free   596 k
    * needed 3.4 M
  libxml2-devel-2.6.26-2.1.12.i386: Insufficient space in download y /var/cache/yum/base/packages
    * free   596 k
    * needed 2.1 M
\n\n\n\n
环境软件安装失败，退出LuNamp的安装。
Environment softwares was install failed, quit to install LuNamp.

∮雨花

me too......

化繁为简

是什么系统，要说清楚，是centos还是debian或其它的linux系统，不同的linux，对依赖文件不同的！同时注意检查你的网络情况是否正常，能否正常下载。