Monitoring Sensu Ubuntu

Sensu and Mailer Alert Handler

A working example of sensu mailer-handler plugin for sending out email alerts.

Google Cloud pfSense Security Ubuntu

Site To Site IPSEC VPN Tunnel Between Google Cloud And AWS with pfSense

Been porting workloads from AWS to GCE lately and one big piece of infrastructure that I rely on is pfSense. pfSense is a FreeBSD based appliance which does advanced routing, firewall and VPN for your cloud-based infrastructure. Using pfSense, one can establish IPSEC tunnels between the various AWS regions and the clients office network. While […]

CloudStack Ubuntu XenServer

Running Ubuntu 14.04 “Trusty Tahir” on XenServer CloudStack

The recently released Ubuntu 14.04 “Trusty Tahir” LTS release comes with Xen HVM (Hardware-assisted virtualization) support. Previous LTS releases supported the older Xen PV (para-virtualization) mode only. Phoronix has recently published a comparison between Ubuntu 14.04 Xen PV with Xen HVM virtualisation which seems to suggest that Ubuntu 14.04 with Xen HVM performs better than […]