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为了搭建moodle平台，安装一个LAMP环境。本来要用centos 5，但是没有安装光盘，只有DVD 的iso文件，又赶时间来不及做网络安装或者硬盘安装。正好手里有个FC6的DVD光盘，于是先用FC6临时顶一下。顶过去之后，毕竟版本老了，没有快的升级源，还是想改回centos 5，又不想备份数据重装，于是准备从FC6直接升级为centos 5。
早期有台电脑出于测试的目的，也安装了FC6，正好拿它做试验，成功了再到moodle服务器上面去应用。
先在网上找了一些资料，网址：http://www.linuxidc.com/Linux/2008-01/10562.htm
根据提示，先卸载fc6的yum相关软件：
[root@localhost yum.repos.d]# rpm -qa|grep yum
yum-updatesd-3.0-6
yum-metadata-parser-1.0-8.fc6
yum-3.0-6
[root@localhost yum.repos.d]# rpm -e yum
error: Failed dependencies:
yum = 3.0-6 is needed by (installed) yum-updatesd-3.0-6.noarch
yum >= 2.9.5 is needed by (installed) pirut-1.2.5-1.noarch
[root@localhost yum.repos.d]# rpm -e yum-updatesd
[root@localhost yum.repos.d]# rpm -e yum-metadata-parser
error: Failed dependencies:
yum-metadata-parser is needed by (installed) yum-3.0-6.noarch
[root@localhost yum.repos.d]# rpm -e yum
error: Failed dependencies:
yum >= 2.9.5 is needed by (installed) pirut-1.2.5-1.noarch
[root@localhost yum.repos.d]# rpm -e pirut
[root@localhost yum.repos.d]# rpm -e yum
[root@localhost yum.repos.d]# rpm -e yum-metadata-parser
[root@localhost yum.repos.d]# rpm -qa|grep yum
然后下载cent 5的yum相关软件，这里的IP是我内部服务器上面已经有的cent 5 DVD 的iso文件解开的。
[root@localhost lsg]# lftp 192.168.1.243
lftp 192.168.1.243:~> cd pub/cent5/CentOS/
cd 成功, 当前目录=/pub/cent5/CentOS
lftp 192.168.1.243:/pub/cent5/CentOS> mget yum*
538120 bytes transferred
Total 4 files transferred
lftp 192.168.1.243:/pub/cent5/CentOS> by
[root@localhost lsg]# ll
总计 552
drwxr-xr-x 2 lsg lsg 4096 02-20 15:59 Desktop
-rw-r--r-- 1 lsg lsg 2141 02-20 17:58 tttt
-rw-r--r-- 1 root root 492832 2007-04-04 yum-3.0.5-1.el5.centos.2.noarch.rpm
-rw-r--r-- 1 root root 11934 2007-04-04 yum-cron-0.1-1.el5.centos.noarch.rpm
-rw-r--r-- 1 root root 22762 2007-04-04 yum-metadata-parser-1.0-8.fc6.i386.rpm
-rw-r--r-- 1 root root 10592 2007-04-04 yum-updatesd-3.0.5-1.el5.centos.2.noarch.rpm
[root@localhost lsg]#
[root@localhost lsg]# rpm -ivh yum*
warning: yum-3.0.5-1.el5.centos.2.noarch.rpm: Header V3 DSA signature: NOKEY, key ID e8562897
Preparing... ########################################### [100%]
1:yum ########################################### [ 25%]
2:yum-cron ########################################### [ 50%]
3:yum-metadata-parser ########################################### [ 75%]
4:yum-updatesd ########################################### [100%]
[root@localhost lsg]#
修改yum的配置文件，添加centos的升级源。我添加的是自己的内部服务器源，这样速度会快一些。ftp协议也支持。
下面是我在网上找到的网页里面的，大家可以根据自己升级的速度决定是否采用这个源。
vi /etc/yum.repos.d/CentOS-Base.repo
- # CentOS-Base.repo
- #
- # This file uses a new mirrorlist system developed by Lance Davis for CentOS.
- # The mirror system uses the connecting IP address of the client and the
- # update status of each mirror to pick mirrors that are updated to and
- # geographically close to the client. You should use this for CentOS updates
- # unless you are manually picking other mirrors.
- #
- # If the mirrorlist= does not work for you, as a fall back you can try the
- # remarked out baseurl= line instead.
- #
- #
- [base]
- name=CentOS-5.1 - Base
- baseurl=http://mirror.tini4u.net/centos/5.1/os/$basearch/
- http://centos.ustc.edu.cn/centos/5.1/os/$basearch/
- http://ftp.daum.net/centos/5.1/os/$basearch/
- http://mirror.secuidc.com/centos/5.1/os/$basearch/
- http://centos.ermly.com/centos/5.1/os/$basearch/
- http://ftp.hostrino.com/pub/centos/5.1/os/$basearch/
- gpgcheck=1
- gpgkey=http://centos.ermly.com/centos/5.1/os/i386/RPM-GPG-KEY-CentOS-5
- #released updates
- [updates]
- name=CentOS-5.1 - Updates
- baseurl=http://mirror.tini4u.net/centos/5.1/os/$basearch/
- http://centos.ustc.edu.cn/centos/5.1/os/$basearch/
- http://ftp.daum.net/centos/5.1/os/$basearch/
- http://mirror.secuidc.com/centos/5.1/os/$basearch/
- http://centos.ermly.com/centos/5.1/updates/$basearch/
- http://ftp.hostrino.com/pub/centos/5.1/os/$basearch/
- gpgcheck=1
- gpgkey=http://centos.ermly.com/centos/5.1/os/i386/RPM-GPG-KEY-CentOS-5
- #packages used/produced in the build but not released
- [addons]
- name=CentOS-5.1 - Addons
- baseurl=http://mirror.tini4u.net/centos/5.1/os/$basearch/
- http://centos.ustc.edu.cn/centos/5.1/os/$basearch/
- http://ftp.daum.net/centos/5.1/os/$basearch/
- http://mirror.secuidc.com/centos/5.1/os/$basearch/
- http://centos.ermly.com/centos/5.1/addons/$basearch/
- http://ftp.hostrino.com/pub/centos/5.1/os/$basearch/
- gpgcheck=1
- gpgkey=http://centos.ermly.com/centos/5.1/os/i386/RPM-GPG-KEY-CentOS-5
- #additional packages that may be useful
- [extras]
- name=CentOS-5.1 - Extras
- baseurl=http://mirror.tini4u.net/centos/5.1/os/$basearch/
- http://centos.ustc.edu.cn/centos/5.1/os/$basearch/
- http://ftp.daum.net/centos/5.1/os/$basearch/
- http://mirror.secuidc.com/centos/5.1/os/$basearch/
- http://centos.ermly.com/centos/5.1/extras/$basearch/
- http://ftp.hostrino.com/pub/centos/5.1/os/$basearch/
- gpgcheck=1
- gpgkey=http://centos.ermly.com/centos/5.1/os/i386/RPM-GPG-KEY-CentOS-5
- #additional packages that extend functionality of existing packages
- [centosplus]
- name=CentOS-5.1 – Plus
- baseurl=http://mirror.tini4u.net/centos/5.1/os/$basearch/
- http://centos.ustc.edu.cn/centos/5.1/os/$basearch/
- http://ftp.daum.net/centos/5.1/os/$basearch/
- http://mirror.secuidc.com/centos/5.1/os/$basearch/
- http://centos.ermly.com/centos/5.1/centosplus/$basearch/
- http://ftp.hostrino.com/pub/centos/5.1/os/$basearch/
- gpgcheck=1
- enabled=0
- gpgkey=http://centos.ermly.com/centos/5.1/os/i386/RPM-GPG-KEY-CentOS-5
- #contrib - packages by Centos Users
- [contrib]
- name=CentOS-5.1 - Contrib
- baseurl=http://mirror.tini4u.net/centos/5.1/os/$basearch/
- http://centos.ustc.edu.cn/centos/5.1/os/$basearch/
- http://ftp.daum.net/centos/5.1/os/$basearch/
- http://mirror.secuidc.com/centos/5.1/os/$basearch/
- http://centos.ermly.com/centos/5.1/contrib/$basearch/
- http://ftp.hostrino.com/pub/centos/5.1/os/$basearch/
- gpgcheck=1
- enabled=0
- gpgkey=http://centos.ermly.com/centos/5.1/os/i386/RPM-GPG-KEY-CentOS-5
centos升级速度比较快的源我还是推荐USTC的：http://centos.ustc.edu.cn/
把fc相关的repo文件移动，否则出错。
[root@localhost yum.repos.d]# yum update
Loading "installonlyn" plugin
Setting up Update Process
Setting up repositories
updates 100% |=========================| 1.1 kB 00:00
addons 100% |=========================| 1.1 kB 00:00
extras 100% |=========================| 1.1 kB 00:00
Reading repository metadata in from local files
primary.xml.gz 100% |=========================| 798 kB 00:00
################################################## 2334/2334
primary.xml.gz 100% |=========================| 798 kB 00:00
################################################## 2334/2334
到这里停止，没有反应了。用top杀进程后，尝试 yum upgrade 现象相同。man yum似乎没有答案。再执行yum check-update 后，再update 成功。
(349/351): pango-1.14.9-3 100% |=========================| 333 kB 00:00
(350/351): libxml2-python 100% |=========================| 697 kB 00:00
(351/351): comps-extras-1 100% |=========================| 46 kB 00:00
warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID e8562897
GPG key retrieval failed: [Errno 4] IOError: <urlopen error (-2, '\xe6\x9c\xaa\xe7\x9f\xa5\xe7\x9a\x84\xe5\x90\x8d\xe7\xa7\xb0\xe6\x88\x96\xe6\x9c\x8d\xe5\x8a\xa1')>
[root@localhost yum.repos.d]#
0 Package(s)
Total download size: 513 M
Is this ok [y/N]: Exiting on user Command
Complete!
但是此时只是从源服务器下载成功，并没有安装，当时没有发现原因，于是转而到临时缓存目录里面找下载的安装包，用rpm手工安装，后来发现是GPG-KEY的问题，安装新的key就可以了，呵呵，绕了个弯路。不过这种办法也可以完成升级。
[root@localhost yum.repos.d]# rpm --import ftp://192.168.1.243/pub/cent5/RPM-GPG-KEY-beta
[root@localhost yum.repos.d]# yum update
Loading "installonlyn" plugin
Setting up Update Process
Setting up repositories
Reading repository metadata in from local files
此时再update都从local files这里找了
[root@localhost packages]# pwd
/var/cache/yum/base/packages
[root@localhost packages]# rpm -ivh *.rpm
warning: a2ps-4.13b-57.1.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID e8562897
error: Failed dependencies:
centos-release-notes is needed by centos-release-5-0.0.el5.centos.2.i386
launchmail is needed by evolution-2.8.0-33.el5.i386
cyrus-sasl-md5 is needed by gaim-2.0.0-0.28.beta5.el5.i386
busybox >= 1.2.0 is needed by kexec-tools-1.101-164.el5.i386
m2crypto >= 0.16-5 is needed by python-urlgrabber-3.1.0-2.noarch
xorg-x11-drv-tek4957 is needed by xorg-x11-drivers-7.1-4.1.el5.i386
[root@localhost packages]# lftp 192.168.1.243
lftp 192.168.1.243:~> cd pub/cent5/CentOS/
cd 成功, 当前目录=/pub/cent5/CentOS
lftp 192.168.1.243:/pub/cent5/CentOS> get busybox-
busybox-1.2.0-3.el5.centos.i386.rpm busybox-anaconda-1.2.0-3.el5.centos.i386.rpm
lftp 192.168.1.243:/pub/cent5/CentOS> get busybox-1.2.0-3.el5.centos.i386.rpm
1061228 bytes transferred
lftp 192.168.1.243:/pub/cent5/CentOS> get centos-release-notes-5.0.0-2.i386.rpm
114177 bytes transferred
lftp 192.168.1.243:/pub/cent5/CentOS> get launchmail-4.0.0-1.el5.noarch.rpm
4204 bytes transferred
lftp 192.168.1.243:/pub/cent5/CentOS> get cyrus-sasl-md5-2.1.22-4.i386.rpm
46521 bytes transferred
lftp 192.168.1.243:/pub/cent5/CentOS> get m2crypto-0.16-6.el5.1.i386.rpm
498796 bytes transferred
lftp 192.168.1.243:/pub/cent5/CentOS> get xorg-x11-drv-tek4957-1.1.0-1.1.i386.rpm
10192 bytes transferred
lftp 192.168.1.243:/pub/cent5/CentOS> by
[root@localhost packages]# rpm -Uvh *.rpm
warning: a2ps-4.13b-57.1.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID e8562897
error: Failed dependencies:
system-logos is needed by compiz-0.0.13-0.36.20060817git.el5.i386
system-logos is needed by firstboot-1.4.27.2-1.el5.centos.1.noarch
system-logos is needed by gdm-2.16.0-30.el5.centos.i386
/usr/share/gnome-screensaver/lock-dialog-system.glade is needed by gnome-screensaver-2.16.1-5.el5.i386
system-logos is needed by gnome-screensaver-2.16.1-5.el5.i386
system-logos is needed by gnome-session-2.16.0-6.el5.centos.i386
system-logos is needed by rhgb-0.16.4-6.el5.centos.i386
这几个包依赖关系不好解决，又用不到，干脆删掉，不就没有什么依赖关系了，呵呵
[root@localhost packages]# rm -f compiz-0.0.13-0.36.20060817git.el5.i386.rpm firstboot-1.4.27.2-1.el5.centos.1.noarch.rpm gdm-2.16.0-30.el5.centos.i386.rpm gnome-screensaver-2.16.1-5.el5.i386.rpm gnome-session-2.16.0-6.el5.centos.i386.rpm rhgb-0.16.4-6.el5.centos.i386.rpm
[root@localhost packages]# rpm -Uvh *.rpm
warning: a2ps-4.13b-57.1.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID e8562897
file /usr/share/backgrounds/images/default-dual-wide.jpg from install of desktop-backgrounds-basic-2.0-40.el5.centos conflicts with file from package fedora-logos-6.0.6-1.fc6
file /usr/share/backgrounds/images/default-dual.jpg from install of desktop-backgrounds-basic-2.0-40.el5.centos conflicts with file from package fedora-logos-6.0.6-1.fc6
file /usr/share/backgrounds/images/default-wide.jpg from install of desktop-backgrounds-basic-2.0-40.el5.centos conflicts with file from package fedora-logos-6.0.6-1.fc6
file /usr/share/backgrounds/images/default.jpg from install of desktop-backgrounds-basic-2.0-40.el5.centos conflicts with file from package fedora-logos-6.0.6-1.fc6
[root@localhost packages]# rpm -e fedora-logos
error: Failed dependencies:
system-logos is needed by (installed) grub-0.97-13.i386
system-logos is needed by (installed) redhat-artwork-5.0.8-1.fc6.i386
system-logos is needed by (installed) rhgb-0.16.4-1.fc6.i386
system-logos is needed by (installed) gdm-2.16.0-10.fc6.i386
system-logos is needed by (installed) gnome-screensaver-2.16.0-7.fc6.i386
system-logos is needed by (installed) gnome-session-2.16.0-3.fc6.i386
system-logos is needed by (installed) compiz-0.0.13-0.32.20060817git.fc6.i386
system-logos is needed by (installed) firstboot-1.4.23-1.noarch
/usr/share/gnome-screensaver/lock-dialog-system.glade is needed by (installed) gnome-screensaver-2.16.0-7.fc6.i386
[root@localhost packages]# rpm -e --nodeps fedora-logos
[root@localhost packages]# rpm -Uvh *.rpm
warning: a2ps-4.13b-57.1.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID e8562897
error: Failed dependencies:
system-logos is needed by compiz-0.0.13-0.36.20060817git.el5.i386
system-logos is needed by firstboot-1.4.27.2-1.el5.centos.1.noarch
system-logos is needed by gdm-2.16.0-30.el5.centos.i386
/usr/share/gnome-screensaver/lock-dialog-system.glade is needed by gnome-screensaver-2.16.1-5.el5.i386
system-logos is needed by gnome-screensaver-2.16.1-5.el5.i386
system-logos is needed by gnome-session-2.16.0-6.el5.centos.i386
system-logos is needed by rhgb-0.16.4-6.el5.centos.i386
[root@localhost packages]# rm -f compiz-0.0.13-0.36.20060817git.el5.i386.rpm firstboot-1.4.27.2-1.el5.centos.1.noarch.rpm gdm-2.16.0-30.el5.centos.i386.rpm gnome-screensaver-2.16.1-5.el5.i386.rpm gnome-session-2.16.0-6.el5.centos.i386.rpm rhgb-0.16.4-6.el5.centos.i386.rpm
[root@localhost packages]# rpm -Uvh *.rpm
warning: a2ps-4.13b-57.1.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID e8562897
Preparing... ########################################### [100%]
1:libgcc ########################################### [ 0%]
2:redhat-menus ########################################### [ 1%]
3:setup ########################################### [ 1%]
4:filesystem ########################################### [ 1%]
最后再把漏的几个包单独安装。如果早就解决了GPG-KEY的问题，就可以直接update了
[root@localhost ~]# rpm -ivh redhat-logos-4.9.8-6.el5.centos.noarch.rpm
warning: redhat-logos-4.9.8-6.el5.centos.noarch.rpm: Header V3 DSA signature: NOKEY, key ID e8562897
Preparing... ########################################### [100%]
1:redhat-logos ########################################### [100%]
[root@localhost ~]#
[root@localhost ~]# rpm -Uvh /var/cache/yum/base/packages/gdm-2.16.0-30.el5.centos.i386.rpm
warning: /var/cache/yum/base/packages/gdm-2.16.0-30.el5.centos.i386.rpm: Header V3 DSA signature: NOKEY, key ID e8562897
Preparing... ########################################### [100%]
1:gdm ########################################### [100%]
[root@localhost ~]# rpm -Uvh /var/cache/yum/base/packages/gnome-session-2.16.0-6.el5.centos.i386.rpm /var/cache/yum/base/packages/rhgb-0.16.4-6.el5.centos.i386.rpm
warning: /var/cache/yum/base/packages/gnome-session-2.16.0-6.el5.centos.i386.rpm: Header V3 DSA signature: NOKEY, key ID e8562897
Preparing... ########################################### [100%]
1:gnome-session ########################################### [ 50%]
2:rhgb ########################################### [100%]
[root@localhost ~]# |
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