Upgrade redhat as5 to centos 5

1. Check whether the Redhat yum series package exists in the installed package.
# Su root
# Rpm-qa | grep yum

2. If yes, delete them all one by one.
# Rpm-e -- nodeps component package name

3. Install the Centos upgrade package
# Su root
# Rpm-Uvh -- nodeps *. rpm
Wget http://mirrors.163.com/centos/5.5/ OS /i386/CentOS/python-iniparse-0.2.3-4.el5.noarch.rpm
Wget http://mirrors.163.com/centos/5.5/ OS /i386/CentOS/yum-3.2.22-26.el5.centos.noarch.rpm
Wget http://mirrors.163.com/centos/5.5/ OS /i386/CentOS/yum-fastestmirror-1.1.16-14.el5.centos.1.noarch.rpm
Wget http://mirrors.163.com/centos/5.5/ OS /i386/CentOS/yum-metadata-parser-1.1.2-3.el5.centos.i386.rpm

4. Create and edit the yum upgrade source configuration file
# Su root
# Mkdir-p/etc/yum. repos. d/
# Vi/etc/yum. repos. d/CentOS-Base.repo

[base]name=CentOS-$releasever - Basebaseurl=http://mirrors.163.com/centos/5.5/os/$basearch/gpgcheck=1gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5#released updates[update]name=CentOS-$releasever - Updatesbaseurl=http://mirrors.163.com/centos/5.5/updates/$basearch/gpgcheck=1gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5#packages used/produced in the build but not released[addons]name=CentOS-$releasever - Addonsbaseurl=http://mirrors.163.com/centos/5.5/addons/$basearch/gpgcheck=1gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5#additional packages that may be useful[extras]name=CentOS-$releasever - Extrasbaseurl=http://mirrors.163.com/centos/5.5/extras/$basearch/gpgcheck=1gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5#additional packages that extend functionality of existing packages[centosplus]name=CentOS-$releasever - Plusbaseurl=http://mirrors.163.com/centos/5.5/centosplus/$basearch/gpgcheck=1enabled=0gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5#contrib - packages by Centos Users[contrib]name=CentOS-$releasever - Contribbaseurl=http://mirrors.163.com/centos/5.5/contrib/$basearch/gpgcheck=1enabled=0gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-5

 

5. yum update

 

6. Install the fedora package

Installing Git on CentOS is very convenient. you can install EPEL. This is a project created by the Fedora community to provide high-quality software for RHEL and its derivative releases. There are rich software in it, by default, no git .... If my CentOS version is 5.5, run the following command to install the Library:

Sudo rpm-Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-4.noarch.rpm