Re: Network interface status: command

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Re: Network interface status: command

Ernie Luzar
zep wrote:

> On 11/23/2017 09:22 AM, Ernie Luzar wrote:
>> In the daily run status report I see a "Network interface status:"
>> display.
>>
>> What console command is generating it?
>>
> tl;dr -- netstat with a couple options i & d.
>
> I'd never really noticed it; it probably would be helpful to put the
> output just to make sure things are lining up, and rather than just hand
> you what I think is going on, this seems like a good time to teach
> people what little I know of fishing.
> if the email you're seeing is part of a daily run, it's set by the
> system and not something you put in as root user (you can do crontab -l
> as root to verify it's not there), then there's the system cron file in
> /etc/crontab
>
> # Perform daily/weekly/monthly maintenance.
> 1    3    *    *    *    root    periodic daily
> 15    4    *    *    6    root    periodic weekly
> 30    5    1    *    *    root    periodic monthly
>
> that seems like a pretty good suspect, man on 'periodic'  -
>
>      If an argument is an absolute directory name it is used as is,
> otherwise
>      it is searched for under /etc/periodic and any other directories speci-
>      fied by the local_periodic setting in periodic.conf(5) (see below).
>
> check the directories
>
> root@nexus:/etc/periodic/daily # ls
> 100.clean-disks        330.news        440.status-mailq
> 110.clean-tmps        400.status-disks    450.status-security
> 120.clean-preserve    401.status-graid    460.status-mail-rejects
> 130.clean-msgs        404.status-zfs        480.leapfile-ntpd
> 140.clean-rwho        406.status-gmirror    480.status-ntpd
> 150.clean-hoststat    407.status-graid3    500.queuerun
> 200.backup-passwd    408.status-gstripe    510.status-world-kernel
> 210.backup-aliases    409.status-gconcat    800.scrub-zfs
> 300.calendar        420.status-network    999.local
> 310.accounting        430.status-rwho
>
> that 420.status-network seems like a good candidate
>
> root@nexus:/etc/periodic/daily # sh -x 420.status-network
>
> ...
>
> + echo 'Network interface status:'
> Network interface status:
> + flags=-d
> + netstat -i -d
> Name    Mtu Network       Address              Ipkts Ierrs Idrop  
> Opkts Oerrs  Coll  Drop
> em0    1500 <Link#1>      XXX  22874340     0     0   574773     0    
> 0     0
> em0       - 192.168.XX.0/ nexus              1172609     -     -  
> 540898     -     -     -
> lo0   16384 <Link#2>                            3749     0     0    
> 3749     0     0     0
> lo0       - localhost     ::1                      0     -     -      
> 0     -     -     -
> lo0       - fe80::1%lo0   fe80::1%lo0              0     -     -      
> 0     -     -     -
> lo0       - your-net      localhost             3749     -     -    
> 3749     -     -     -
> + rc=0
>
> and I think you'd find that's a decent match for what you get in your email.
>
> ...
>
>

Thank you for the info.

netstat -i -d   is what I was looking for.







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