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This article mainly explains "CentOS mail system how to install and set up YUM software", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "CentOS mail system how to install and set YUM software" bar!

So that its powerful CentOS mail system has a wealth of knowledge and learning value. Here we mainly introduce the installation of CentOS mail system, including CentOS mail system and so on. CentOS is a community of open source software contributors and users. It recompiles the RHEL source code and becomes one of the many communities that release new releases, and in the process of continuous development, the CentOS community continues to merge with other similar communities, making CentOS Linux gradually become the most widely used RHEL compatible version.

1.CentOS mail system installation

Before CentOS mail system installation: since user data is stored in the / var directory, the space for / var should be as large as possible when installing the system. The version of the system is minimized installation, and the package installs only the development package (development). In the document, it is assumed that the ip address of the server is 192.168.0.2, the domain name is test.com, and the host name is mail.test.com. I have packed all the software packages I need.

Download address: http://www.toping.net/soft/src.tar.gz, please be careful, pay attention to the blanks and TAB. Good luck to the brothers. My level is limited. If you find anything wrong or inappropriate in the article, please send an email: scyz at toping.net. I will give you an answer at * * time.

2.CentOS mail system shuts down selinux

[root@mail] # vi / etc/selinux/configSELINUX=disable [root@mail] # reboot

3. CentOS mail system settings YUM

[root@mail yum.repos.d] vi CentOS- Base.repo [base] name=CentOS-4.2-Basebaseurl= http://mirror.be10.com/centos/4.2/os/$basearch/

Gpgcheck=1gpgkey= http://mirror.be10.com/centos/RPM-GPG-KEY-centos4#released updates

[update] name=CentOS-4.2-Updatesbaseurl= http://mirror.be10.com/centos/4.2/updates/$basearch/gpgcheck=1gpgkey=http://mirror.be10.com/centos/RPM-GPG-KEY-centos4#packages used/produced in the build but not released

[addons] name=CentOS-4.2-Addonsbaseurl= http://mirror.be10.com/centos/4.2/addons/$basearch/gpgcheck=1gpgkey=http://mirror.be10.com/centos/RPM-GPG-KEY-centos4#additional packages that may be useful

[extras] name=CentOS-4.2-Extrasbaseurl= http://mirror.be10.com/centos/4.2/extras/$basearch/gpgcheck=1gpgkey=http://mirror.be10.com/centos/RPM-GPG-KEY-centos4#additional packages that extend functionality of existing packages

[centosplus] name=CentOS-4.2-Plusbaseurl= http://mirror.be10.com/centos/4.2/centosplus/$basearch/gpgcheck=1enabled=0gpgkey=http://mirror.be10.com/centos/RPM-GPG-KEY-centos4#contrib-packages by Centos Users

[contrib] name=CentOS-4.2-Contribbaseurl= http://mirror.be10.com/centos/4.2/contrib/$basearch/gpgcheck=1enabled=0gpgkey=http://mirror.be10.com/centos/RPM-GPG-KEY-centos4#packages in testing

[testing] name=CentOS-4.2-Testingbaseurl= http://mirror.be10.com/centos/4.2/testing/$basearch/gpgcheck=1enabled=0gpgkey=http://mirror.be10.com/centos/RPM-GPG-KEY-centos4[root@mail yum.repos.d] # vi dag.repos [Dag] name=Dag RPM Repository for Red Hat Enterprise Linuxbaseurl= http://apt.sw.be/redhat/el$releasever/en/$basearch/daggpgcheck=1enabled=1[root@mail yum.repos.d] # yum update above describes CentOS mail system installation.

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