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You are here: Home / Archives for Irek Romaniuk

Monitoring CPU On firewalls

Irek Romaniuk May 12, 2016

There is a trend in network monitoring toward Push Model (versus Pull Model) where network devices send metrics to a collector in a ‘netflow’ like fashion (read blog post of Matt Oswalt). It is up to the collector to interpret that data; no need to standardize what is being sent. The only agreement is on data format…

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Jenkins as system job scheduler

Irek Romaniuk April 21, 2016

Jenkins is an open software tool, typically used for continuous integration in software development. Network or system changes can be treated in a similar way as code changes are: developed, tested and deployed. Test frameworks are coming  to Network world (look at TODD) but are not popular yet.  Even without unit tests we can still use developer tools like Jenkins…

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Docker Wrapper For Ping

Irek Romaniuk March 9, 2016

Ping is probably the most popular network troubleshooting and monitoring tool.  It happens very often that to test reachability, we have to ping many destinations. The usual requirement is to ping something not from one, but multiple sources on internal network, and sometimes from internet. To be able to do it, we have to have accounts…

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