LDAP stands for Lightweight Directory Access Protocol. As the name suggests, it is a lightweight protocol for accessing directory services, specifically X.500-based directory services. LDAP runs over TCP/IP or other connection oriented transfer services. LDAP is an IETF Standard Track protocol and is specified in “Lightweight Directory Access Protocol (LDAP). You can use an external […]
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CloudStack
Apache CloudStack is open source software and its designed to deploy and manage large networks of virtual machines.
Redundant NFS with DRBD and HeartBeat
High Availability NFS with DRBD and HeartBeat DRBD allows you to create a mirror of two block devices that are located at two different sites across an IP network on Linux platform. DRBD replicates data on the primary device to the secondary device in a way that ensures that both copies of the data remain […]
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