Author Archives: George Valentin Voina

Server Rack: Create your own low-cost rack console

By | March 1, 2017

Because the number of my systems increased moving all my stuff to a rack was the right decision to avoid cable spaghetti and administration hell. But when you have a rack you need to have an administration console for it. Looking on the market (the deals market) the cheapest console I could find was some… Read More »

EdgeRouter: Routing through OpenVPN and IPSEC with OSPF

By | May 9, 2016

Open Shortest Path First (OSPF) is a routing protocol for Internet Protocol (IP) networks. Because I have site-to-site OpenVPN and IPSEC tunnels between my primary and remote sites I ended up defining lots of static routes. The environment started to be complex enough to justify the use of OSPF that is supported by EdgeRouter. The… Read More »

EdgeRouter: Policy Based Routing for OpenVPN when Load Balancing dual WANs

By | May 26, 2017

Trying to fix my OpenVPN site-to-site link and due to the environment update I had to do some changes. The initial setup of the OpenVPN is here https://blog.voina.org/edgerouter-dual-wan-hair-pin-multiple-networks-openvpn-site-to-site-vpn/ First of all there is a new EdgeRouter ER-8 that is directly linked to the main ISP I got this from Amazon.de see Ubiquiti ER-8 Netzwerk/Router .… Read More »

Secure authentication using SafeNet(Gemalto) security tokens and Windows CA

By | May 4, 2016

In the following I will try to show how to generate user certificates on e-tokens by using the Windows CA. This tokens can be used after that for secure user authentication or signing. Prerequisites: – Install the Windows CA service. This comes a standard feature in Windows Server 2012. – Internet Explorer 9 and up… Read More »

DB2 (Reason code = “18”.. SQLCODE=-30090, SQLSTATE=25000)

By | February 8, 2017

In a setup having an enterprise application depending on a database instance where some tables are defined as nicknames to tables from a federated database, it can happen to get this very cryptic DB2 error. I already had a post related to this case when the setup uses access to a federated database https://blog.voina.org/db2-sql-error-30090-caused-by-read-only-table-nickname-to-a-federated-database/. You… Read More »