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  1. #1

    Question Crontab disables eth0 as I want, but eth0 restarts itself???

    Hi all. Very newbish question here. I created the following crontab:

    0 0 * * * /sbin/netdown
    0 5 * * * /sbin/netup

    netdown contains:

    /sbin/ifdown eth0

    netup contains:

    /sbin/ifup eth0

    Now, my question is, crontab runs the ifdown script and it works perfectly, but about a minute and a half later eth0 wakes itself back up. I want it to stay down until the netup script is scheduled to run. What is causing it to reactivate itself?

    Thanks in advance.

  2. #2
    various DEs have networkmanagers

    check your services like:

    chkconfig --list

    see what network services are running. a program starting itself up is usually from a daemon which should be listed there and is most likely a networkmanager.

    also in case you didn't know you can just put the command straight in cron

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