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   更换内核: 
# cd /boot -----切换到引导分区/boot.  # rm System.map vmlinuz -----删除旧的符号链接.  # mv /usr/src/linux/System.map System.map  # mv /usr/src/linux/arch/i386/boot/bzImage vmlinuz 
  如果你用GRUB来管理开机,简单点就是你装了win还装了linux就要修改/boot/grub下的menu.1st文件: 
# vi /boot/grub/menu.1st 
  键入i进入编辑模式: 
# grub.conf generated by anaconda  #  # Note that you do not have to rerun grub after making changes to this file  # NOTICE: You do not have a /boot partition. This means that # all kernel and initrd paths are relative to /, eg.  # root (hd0,1)  # kernel /boot/vmlinuz-version ro root=/dev/hda2  # initrd /boot/initrd-version.img  #boot=/dev/hda  default=1  timeout=10  splashimage=(hd0,1)/boot/grub/splash.xpm.gz  title Fedora Core(2.6.11)  root (hd0,1)  kernel /boot/vmlinuz ro root=/dev/hda2 ---你的linux所在的分区  title DOS  rootnoverify (hd0,0)  chainloader +1
  title Fedora Core(2.4.22)  root (hd0,1)  kernel /boot/vmlinuz-2.4.22-1.2115.nptl ro root=LABEL=/  hdd=ide-scsi rhgb  initrd /boot/initrd-2.4.22-1.2115.nptl.img 
 
  这样还可以保留旧版本的内核以防编译新内核失败进不了系统 
  重启电脑,好了,进去了。网上说新内核速度好快的,我怎么感觉快不了多少呢。无所谓了,反正是成功了。呵呵,我可是失败了很多次才成功的。 
  rpm没法用了,怎么办? 
  在/usr/lib/rpm/macros里面寻找代码: 
%__dbi_cdb create cdb mpool mp_mmapsize=16Mb mp_size=1Mb 
  修改成代码: 
%__dbi_cdb create cdb mpool mp_mmapsize=16Mb mp_size=1Mb private 
  (参考链接: http://linux.ccidnet.com/art/741/20050919/335915_1.html) 
		    
                      
		      
		      
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