Configuring Hostnames RHEL7

configuring hostname rhel7
Standard

Configuring Hostnames RHEL7

We all know what is hostname and how to configure hostnames. We are doing it using /etc/sysconfig/hostname file or /etc/hosts file since our RHEL6 days. But things are different in RHEL7…. really different.

Before configuring hostname in RHEL7 we need to remember that there are three classes of hostname:

1. Static 2. Pretty 3. Transient

….read complete story

http://networknuts.net/linuxblog/configuring-hostname-rhel7/

 

Puppet Manifests Dependencies

puppet manifests dependencies
Standard

Puppet Manifests Dependencies

 

While creating or writing puppet manifests, ordering doesn’t matter as long as the resources are independent and not related to each other. And most resources are!

But some resources depend on other resources. Consider the ntpd service which is installed by a package ntp. Now it’s impossible to get the service into its desired state i.e running, if the package ntpd isn’t installed yet. The service has a dependency on the package

…. read complete story

http://networknuts.net/linuxblog/puppet-manifests-dependencies/