Category Archives: Published Articles
DeleGate – A Multi-platform, Multi-purpose Proxy Server
Introduction A proxy server works as an intermediary for requests from clients seeking resources from other servers. There are various types of proxy servers. In this article we will be breifly discussing some of the capabilities of DeleGate. DeleGate is … Continue reading
Creating VPNs with OpenVPN
Introduction A VPN is a set of tools which allow networks at different locations to be securely connected, using a public network as the transport layer. A VPN produces a virtual “dedicated circuit” over the internet and use cryptography to … Continue reading
Posted in FLOSS, Published Articles, Security
Tagged Networking, OpenVPN, Security, VPN
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Balancing Traffic Across Data Centres Using LVS
The LVS (Linux Virtual Server) project was launched in 1998 and is meant to eliminate Single Point of Failures (SPOF). According to the linuxvirtualserver.org website: “LVS is a highly scalable and available server built on a cluster of real servers, … Continue reading
Building A Highly Available Nginx Reverse-Proxy Using Heartbeat
A cluster in computing is a term used to describe a group of closely linked computers often appearing as a single entity to the outside world. There are various types of clusters—high-availability (HA) clusters, load-balancing clusters, compute clusters or high … Continue reading
Posted in FLOSS, Published Articles
Tagged Cluster, HA, Heartbeat, nginx, Reverse-Proxy
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Building A Highly-Available Web Server Cluster
nginx (pronounced as ‘engine x’) is a powerful HTTP Web server/reverse proxy and IMAP/POP3 reverse proxy. According to a survey conducted in December 2008 by Netcraft, nginx has grown significantly and has surpassed lighttpd (also known as Lighty). Because of … Continue reading
Posted in FLOSS, Published Articles
Tagged Cluster, HA, Load Balancing, nginx, Reverse-Proxy
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