Tag: GNU/Linux
How to harden SSH access to a FreeBSD 11.2 box
Recently I was requested to suggest some hardening advices about SSH access to *nix boxes. Now, I like to write down a short guide on this topic. Let’s take a fresh installed FreeBSD server (11.2-RELEASE-p7…
How to run Zimbra Collaboration 8.6.0 GA on AWS
Not really an how to. If you want to run Zimbra Collaboration Open source edition 8.6.0 GA on an Amazon Web Services ec2 instance you just have to launch my ami available in Community AMIs. It’s…
How to install CKAN on CentOS 7 using Docker images
CKAN is a powerful data management system that makes data accessible – by providing tools to streamline publishing, sharing, finding and using data. CKAN is aimed at data publishers (national and regional governments, companies and…
How to make a TCP connection flow through Tor on Ubuntu 13.10 with socat
Maybe you’re concerned about anonymity or you just want know and experiment how actually things work. You can find a lot of documentation about such topics on the Internet. This is my take on a…
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 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 configure Unbound on Ubuntu 11.10
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…
How to configure master and slave NSD on Ubuntu 11.10
NSD is a complete implementation of an authoritative DNS nameserver written and maintained by NLnet Labs. Authoritative and not recursive. If you need a recursive and caching resolver please consider using Unbound and reading my article “How…