Download RPM and dependencies from yum repo

Use repotrack-command.

To get repotrack, install yum-utils.

yum install yum-utils

Usage:

repotrack -p DIR PKG

where DIR is the directory to download rpms and PKG is the actual package you want. Wild card is allowed.

As an example, following command downlads all ncurses-packages and all dependencies to /repo/rpm directory

repotrack -p /repo/rpm ncurses*

 

Change host name

To temporarily change the host name, use command:

hostname newname.somedomain.net

To permanently change the hostname, open file /etc/sysconfig/network. Use, for example, vi-editor:

vi /etc/sysconfig/network 

Find and change following line to your host name (and domain)

HOSTNAME=newname.somedomain.net

save file and restart network service

service network restart

This works in CentOS and Red Hat version 6.x. You may also need to change /etc/hosts file.