Disable not needed CentOS services
In many situations we need every bit of resources from our servers. The main resource needed on all systems is RAM. Disabling some unneeded services will free a lot.
DNS – servfail response (SOA records)
Today, I have had some issues with one of my DNS servers. The configuration is: one master and one slave for the zone. Yesterday night the master failed due.
Installing a DNS Server on CentOS 5
About DNS When hosts on a network connect to one another via a hostname, also called a fully qualified domain name (FQDN), DNS is used to associate the names.