As DNS admin it is useful to know how to both view and clear the cache of a Bind server. This can be for a number of reasons but for me its often down to slow DNS lookup, which leads to a sluggish web experience. This is often caused by an issue with the cache,... Continue Reading →
Skipping tags in Puppet
Most people know about the --tags argument to puppet agent execute specific parts of the manifest. '--tags' allows you to specify what portions of a configuration you want to apply. Puppet elements are tagged with all of the class or definition names that contain them, and you can use the 'tags' flag to specify one... Continue Reading →
Diff'ing Cisco IOS Startup-config and running-config
How many times have you needed to know what you are about to commit to your startup-config. The following should help you work out if you are storing what you think you are, or at least show you whats changed from your startup config. show archive config differences If there is nothing pending you will... Continue Reading →
WillowSphere 