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Month: May 2017

CLI email using Blat and SSMTP

CLI email using Blat and SSMTP

When you are away from your computer, how do you know it is operating as expected?  Some might use a web front end to allow them a way to periodically check it, but that involves taking a few moments to do.  Instead of the person initiating the check, how about having the machine initiate its status.  One way to do this is using email as the transport method. In this post I’ll cover two command line email tools that will…

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Monitoring Events with Syslog

Monitoring Events with Syslog

There are different ways to view and track how your systems are operating. Logging is a basic method of keeping records of actions taken by a network device. Most operating systems have some type of logging function. In linux, these log files are mostly processed with syslog. Syslog supports logging to remote hosts, which is useful if a system fails and local logs aren’t available. IOS and Windows take some work to get them to use the same feature. By…

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Dynamic DNS and DDClient

Dynamic DNS and DDClient

In my earlier posts I covered network services.  The purpose of those services is to provide a function over a network connection.  More often than not the internet connection of a network service host can change.  In order for a client to access these network services, it needs to know where the host is.  To remedy this problem, a “call home” service is used to register the host so the client can find it.  This service is referred to as…

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