Error message from Arpwatch



  • Hello.
    Today I installed Arpwatch. It sends me the ip addresses to my email. But there is also an error email between them. What is this?

    X-Cron-Env: <SHELL=/bin/sh>
    X-Cron-Env: <PATH=/etc:/bin:/sbin:/usr/bin:/usr/sbin>
    X-Cron-Env: <HOME=/root>
    X-Cron-Env: <LOGNAME=root>
    X-Cron-Env: <USER=root>

    Error: Unable to open database directory "/var/lib/vnstat": No such file or directory
    The vnStat daemon should have created this directory when started.
    Check that it is is configured and running. See also "man vnstatd".


  • Rebel Alliance Developer Netgate

    When you install arpwatch it also installs a sendmail stub client that handles all mail from arpwatch and, by coincidence, anything that comes from cron or other things that use sendmail.

    What you received is an error from the cron daemon saying there is a problem with that specific cron job. In this case, you must have the Traffic Totals package installed and it has an issue with its configuration or data.



  • If I install Traffic Totals package today, it will automatically fix this issue, right?


  • Rebel Alliance Developer Netgate

    Or install the cron package and remove the cron entry referring to vnstat.