Hey Fred, If you can organize your data into a spreadsheet you can use the built in graphing abilities of LibreOffice Calc. That should be sufficient for a limited use application like you are describing. I use LibreOffice Calc to make an hourly graph of my Internet upload and download speed performance. On 06/19/17 15:26, Fred Smith wrote: > Hi! > > I have bazillions of incoming (rejected) attempts to connect to my > SMTP server, and I'm interested in separating out those that seem > to come in huge bunches (e.g., the one from yesterday that ran for > about 10 hours and sent over 4100 attempts), and graphing them so > I can see the spacing and/or distribution in time. > > I can figure out some simple scripting to turn the maillog entries > into times since the epoch, or other formats, if needed, but I have > no experience with the various graphing tools availabe, or even > what (or where) they are. > > I'd appreciate pointers-and-or-advice, should any of you have any > such things to give. > > thanks in advance! > > Fred > -- _ °v° /(_)\ ^ ^ Mark LaPierre Registered Linux user No #267004 https://linuxcounter.net/ **** _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx https://lists.centos.org/mailman/listinfo/centos