On 12/22/2018 9:15 PM, David Christensen wrote: > On 12/22/18 7:16 AM, Jude DaShiell wrote: >> Has Linux got tools that can run while a computer runs that can poll >> several sites and log internet outages? I figure a minute down time is a >> failure and have experienced several of these where my wifi connection >> had >> to be deactivated and reactivated to have the internet connection >> restored. This is a new wifi router too. The log would be sent into >> comcast along with payment requesting credits for the down times. > > I suggest: > > 1. Test and verify your network cables: > > https://www.idealnetworks.net/us/en/products/cable-testing/copper-testing/cable-verifiers-linkmaster.aspx > > > 2. Buy and read "Networking for System Administrators" by Lucas: > > https://mwl.io/nonfiction/networking#n4sa > > 3. Write a shell script that invokes some standard utility (ping(8), > wget(1), etc.), appends a timestamp and the utility output to a log > file, sleeps for 60 seconds, and then repeats. >
Along with redirecting the output to a file, the logger(1) utility can also be used (1) to make entry in the system log. http://man7.org/linux/man-pages/man1/logger.1.html -- John Doe
