tcpdump is a great utility for debugging network applications and profiling them. It’s near universal – some tcpdump variant exists on every platform. You can even run tcpdump on some higher end switches and routers. Packet dumps can be saved for later analysis or to be sent off to vendors for debugging.
Continue reading “A Primer on TCPDump”
I authored this as part of SysAdvent, which posts one system administration-related post each day in December, ending on the 25th. You can find the original posted here: http://sysadvent.blogspot.com/2016/12/day-15-take-that-vacation-eliminate.html
It’s mid afternoon and you just sat down for that holiday meal with your family and friends. Your phone goes off and you look at the number. Work, again.
Before you even read the text or answer the call with the robotic voice telling you about the latest problem, you’re wondering to yourself “how long it will take?” Your relatives are only in-town for another day or two, before you have to take them to the airport. What if it goes off again later? A holiday potentially ruined.
You read the text. Maybe it’s a false alarm. Maybe it’s not. Either way you’re out of the moment–worrying about work and if things are going to break over the holidays.
Don’t Be Your Own Grinch
It’s possible to engineer yourself and environment for success. Continue reading “Take That Vacation: Eliminate Alerts Dragging You Back to the Office”