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How to Install Zimbra on Ubuntu

Zimbra Collaboration Suite (ZCS) 5.0 is a truly modern, innovative messaging and collaboration application. Zimbra is the leading open source solution for enterprise, service provider, education, and government environments; offering administrators and their end-users unmatched benefits. It’s no wonder Zimbra is a popular choice for today’s growing Mac and Linux email server base. Ajax based [...]

Essential Linux Server Administrator Commands

Command Summary Use arp Command mostly used for checking existing Ethernet connectivity and IP address Most common use: arp This command should be used in conjunction with the ifconfig and route commands. It is mostly useful for me to check a network card and get the IP address quick. Obviously there are many more parameters, [...]

How to Build a diskette-based bandwidth management system – PicoBSD

Many users, despite having a good Net connection, complain about poor surfing and download speeds. While an organization could pay for additional bandwidth, a better option might be to manage the bandwidth they already have. There are numerous bandwidth management software tools available. In this article we will explore managing network bandwidth using the dummynet [...]