How to run Apache Cassandra database on a two nodes Ubuntu 12.04 LTS cluster
Scalability and high availability are key features of Apache Cassandra database. It supports replicas across multiple datacenters so there are no single points of failure and no network bottlenecks. I’m going to show you how…
How to run Apache Cassandra database on a two nodes FreeBSD 9.0 cluster
Scalability and high availability are key features of Apache Cassandra database. It supports replicas across multiple datacenters so there are no single points of failure and no network bottlenecks. I’m going to show you how…
How to run Postfix with OpenDKIM on FreeBSD 9.0
OpenDKIM is an open source implementation of the DKIM (Domain Keys Identified Mail) sender authentication system proposed by the E-mail Signing Technology Group (ESTG), now standardized by the IETF (RFC 6376). It also includes implementations…
How to install and configure rsnapshot on OpenBSD 5.0
rsnapshot can back-up automatically a filesystem, local or remote, just making snapshots. It uses rsync and hard links and keeps multiple, full backups instantly available. The disk space required is just a little more than…
How to configure Unbound with DNSSEC validation on FreeBSD 9.0
Unbound is an implementation of a DNS resolver that does caching and DNSSEC validation. It’is written and maintained by NLnet Labs. It’s recursive and caching so if you need an authoritative DNS nameserver please consider using NSD and…
How to run master and slave YADIFA on FreeBSD 9.0
YADIFA is a nameserver implemented by EURid and is a clean implementation to serve as an alternate domain name server for TLD operators and ISPs alike. Actually it’s at an early stage of development: the…
How to run OpenDNSSEC with NSD on FreeBSD 9.0
Domain Name System Security Extensions (DNSSEC) is a set of extensions to DNS documented since 2005 by RFCs 4033, 4034, 4035. Today there are some additions to those extensions. DNSSEC adds an end to end…
How to run master and slave NSD on FreeBSD 9.0
[Running FreeBSD10? Check my new article: How to run master NSD on FreeBSD 10.0]. NSD is a complete implementation of an authoritative DNS nameserver written and maintained by NLnet Labs. Authoritative and not recursive. If you…
How to configure master and slave Knot on Ubuntu 11.10
Knot is an authoritative-only nameserver developed by CZ.NIC Labs. On their website you can read that it supports all key features of the domain name system including zone transfers, dynamic updates and DNSSEC. If you…
How to run NSD with DNSSEC on Ubuntu 11.10
Domain Name System Security Extensions (DNSSEC) is a set of extensions to DNS documented since 2005 by RFCs 4033, 4034, 4035. Today there are some additions to those extensions. DNSSEC adds an end to end…