Penguins-On-Hudson is an advocacy program sponsored by Codefix Consulting to help promote Linux and F.O.S.S. (Free Open Source Software) in the lower Hudson River Valley.
prerequisite concepts: prelude
If you’re not already using a config file (~/.ssh/config) you should peruse the documentation to see what it offers; an ongoing benefit I enjoy is that it allows me to accomplish more while typing less. Suppose, for example, you need to access two mail servers which are both behind a firewall and sharing […]
This is a prelude to a series of articles focused on how the sophisticated power of OpenSSH may be harnessed to great advantage with less effort than one might think. Readers already familiar with OpenSSH and passwordless authentication may wish to skip ahead:
OpenSSH: Basic Configuration
OpenSSH: Port Forwarding
OpenSSH: Proxy Connections
OpenSSH: Environmental Override
SSH Coolness … Even On […]
AppArmor, introduced to Ubuntu with Gutsy, is yet another security tool unleashed upon the infosphere. In part, AppArmor is intended as an alternative to SELinux, which can easily be seen as daunting to configure; unfortunately, many such projects are daunting for those admins forced to walk the plank of unfamiliarity above a sea of expectations. […]
Avast ye corned jiggers; it be Talk Like a Pirate Day.
Like many others, when I set up my first Linux PBX I knew little about VoIP providers and with few sources of reliable, current information, I made a decision based on name recognition, perceived value, and minimal research. Like many others, I looked for companies who advertised a BYOD plan under the false assumption that […]