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…
ls ~/floss
Upgrade to php5 in CentOS 4
Recently one of my clients requested that he needs php5 on one of his production servers. The server runs CentOS 4.7 x86_64. I had recently migrated this server from RHEL 4.7 (see…
Locale Problems in Debian and Ubuntu
Recently I have been facing some issues with locales in Debian and Ubuntu based Xen based virtual servers. These typically appear while running the man command and apt-get or dpkg commands.
Migrating RHEL 4.7 to CentOS 4.7
Recently I was asked by one of my clients to convert their RHEL system to CentOS after their RHEL subscription expired. At the time of migration the server was running RHEL 4…
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…