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Making Things Too Easy – Part 2 – The Evils of list_messages for Server Queues; how to use check_queue_depth to monitor queues.

Recently while troubleshooting a connection problem this question arose. The OpenVOS system was connecting to a public Internet facing server. The administrator for the server asked a simple question “What is your IP address?” The OpenVOS system has an IP address from one of the private internet ranges defined by RFC 1918, call it 192.168.0.1. [...]

As more and more people start using SSH in place of Telnet, I am seeing more and more confusion over the way that the SSH daemon treats password warning, expiration, and grace times. Part of the confusion is caused by the incorrect expectation that SSH will duplicate the behavior of Telnet and the login command. [...]

The OpenVOS Operating System provides a high-level Application Programming Interface (API) that on the whole makes programming the system easy.  But sometimes, it becomes too easy – because a simple subroutine call to an s$… routine might hide a lot of complexity.  This is the first of an irregular series of posts to call your [...]