在suse 10.3中安装http apache2时出现如下的提示信息：
libapr1 >= 1.0 is needed by apache2-2.2.3-16.21.i586
libapr1 < 2.0 is needed by apache2-2.2.3-16.21.i586
libapr-1.so.0 is needed by apache2-2.2.3-16.21.i586
libaprutil-1.so.0 is needed by apache2-2.2.3-16.21.i586
此时，安装以下软件即可：
libapr-util1-1.2.2-13.7.i586.rpm
libapr-util1-devel-1.2.2-13.7.i586.rpm
libapr1-1.2.2-13.2.i586.rpm
libapr1-devel-1.2.2-13.2.i586.rpm
在suse 10上装apache的时候，报错：
rpm -ivh apache2-2.0.54-10.i586.rpm
error: Failed dependencies:
apache2-MPM is needed by apache2-2.0.54-10
原因在于要依赖于apache2-prefork-2.0.54-10.i586.rpm， 所以：
rpm -ivh apache2-prefork-2.0.54-10.i586.rpm
error: Failed dependencies:
apache2 = 2.0.54 is needed by apache2-prefork-2.0.54-10
re，原来这两个包是相互依赖的，所以：
rpm -ivh apache2-2.0.54-10.i586.rpm apache2-prefork-2.0.54-10.i586.rpm
安装成功。
这两个rpm在删除时也会出现相互依赖的问题，不能单独删除：
rpm -e apache2
error: Failed dependencies:
apache2 = 2.0.54 is needed by (installed) apache2-prefork-2.0.54-10
rpm -e apache2-prefork
error: Failed dependencies:
apache2-MPM is needed by (installed) apache2-2.0.54-10
如果删除，也必须一块删除才可以：
rpm -e apache2 apache2-prefork
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