just-shared

[caption id="" align="alignright" width="341"] Heartbleed Bug[/caption]   Every day you use  encryption  technology to protect your data, your applications and online services . Most of the time most people are blissfully unaware it is even happening. Whether you are a consumer accessing your Internet bank site, using a mobile application to log in and share data or trading online most of our use of modern technology involves this key capability and without it trust on the Internet is significant undermined. A new bug, again, puts trust on the Internet at risk on a significant scale. The bug, dubbed ‘heartbleed’ is based on a fault in functionality in the widely used OpenSSL  library. It was originally discovered by Neel Mehta of  Google   GOOG   +1.65%  Security. This library is extremely widely used from security vendors products to secure web browsing (when you log in to a site and see https://) and even mobile banking applications.  The  Apache web se...

Heartbeat is a daemon that provides cluster infrastructure (communication and membership) services to its clients. This allows clients to know about the presence (or disappearance!) of peer processes on other machines and to easily exchange messages with them. In order to be useful to users, the Heartbeat daemon needs to be combined with a cluster resource manager (CRM) which has the task of starting and stopping the services (IP addresses, web servers, etc.) that cluster will make highly available.  Pacemaker  is the preferred cluster resource manager for clusters based on Heartbeat.