Linux 系统升级（AS4）

apt下载：http://rpm.pbone.net/index.php3/ ... ntos4.i386.rpm.html
下载完以后用rpm -i apt-0.5.15cnc6-4.centos4.i386.rpm 进行安装
其实这时就可以用了,不过为了使更新更快,我们最好编辑一下下面这个文件
/etc/apt/sources.list.d/centos.list
修改其中的apt源为centos的中国镜像

CODE:
### CentOS-4 APT repository
rpm http://mirror.be10.com centos/4/apt/i386 os addons updates extras
rpm http://mirror.be10.com centos/4/apt/i386 contrib centosplus

更新apt文件列表
apt-get update

升级所有文件
apt-get upgrade

安装软件
apt-get install packagename
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安装yum（原因：升级内核需要）
1. apt-get install yum
2. rpm --import /usr/share/rhn/RPM-GPG-KEY
3. 修改一下/etc/yum.repos.d/CentOS-Base.repo
[base]
name=CentOS-4 - Base
baseurl=http://mirror.be10.com/centos/4/os/i386/
gpgcheck=1
#released updates
[update]
name=CentOS-4 - Updates
baseurl=http://mirror.be10.com/centos/4/updates/i386/
gpgcheck=1
#packages used/produced in the build but not released
[addons]
name=CentOS-4 - Addons
baseurl=http://mirror.be10.com/centos/4/addons/i386/
gpgcheck=1
#additional packages that may be useful
[extras]
name=CentOS-4 - Extras
baseurl=http://mirror.be10.com/centos/4/extras/i386/
gpgcheck=1
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-4 - Plus
baseurl=http://mirror.be10.com/centos/4/centosplus/i386/
gpgcheck=1
enabled=0
#contrib - packages by Centos Users
[contrib]
name=CentOS-4 - Contrib
baseurl=http://mirror.be10.com/centos/4/contrib/i386/
gpgcheck=1
enabled=0
#packages in testing
[testing]
name=CentOS-4 - Testing
baseurl=http://mirror.be10.com/centos/4/testing/i386/
gpgcheck=1
enabled=0
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yum update
/sbin/shutdown -r now