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Exporting Netflow from Linux with softflowd NetFlow is an industry standard network protocol for monitoring traffic flows across a network interface. It is used most commonly by devices like firewalls, routers, and switches, but some software packages make it possible to export Netflow data from a server operating system - in this case Linux (with softflowd) - to a Netflow collector (LogicMonitor) for traffic analysis. Ubuntu Documentation here: http://manpages.ubuntu.com/manpages/xenial/man8/softflowd.8.html The following assumes you have an Ubuntu device in your
Hello all, Recently, I had mounted a RHEL ISO on a /data/rhel_iso directory, on a system that is monitored with LogicMonitor. 5 minutes later I received an alert about 105% utilization of /data/rhel_iso, which is reasonable but strange, as ISO takes same space as the files inside it. When I unmounted the ISO I got an alert of a filesystem that is not responding. How to disable those ISO related alerts? They are irrational. Many thanks in advance, Szymon
You might have received an alert saying your linux based device has just rebooted, but you know that it has been up a long time. A switch might have just sent an alert for every interface flapping when they have all been up solidly. The important question to ask here is how long has the device been up? If its been up for 497 days,994 days,1491 days or any multiple of 497 then you are seeing the 497 day bug, that hits almost every linux based device that is up for a good length of time. Anything using a kernel less than 2.6 computes the system uptime based on the internal ji