Re: [monitoring-plugins/monitoring-plugins] Update .travis.yml (#1440)

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@sni you should understand how shell parser works. wc and grep are not ran
under sudo, they are next command in pipe chain, if *want* them to run under
sudo, you must prepend sudo to each of them

why it works is likely "ip" command does not require root access, and sudo
will just include `/sbin` in path so the program is visible. solution: use
abs path.

however i kept sudo, because depending on kernel hardening `ip` via `sudo`
may give more information than under normal user.

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<p><a href=3D"https://github.com/sni" class=3D"user-mention">@sni</a> you s=
hould understand how shell parser works. wc and grep are not ran under sudo=
, they are next command in pipe chain, if <em>want</em> them to run under s=
udo, you must prepend sudo to each of them</p>

<p>why it works is likely "ip" command does not require root access, and su=
do will just include <code>/sbin</code> in path so the program is visible. =
solution: use abs path.</p>

<p>however i kept sudo, because depending on kernel hardening <code>ip</cod=
e> via <code>sudo</code> may give more information than under normal user.<=
/p>

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hell parser works. wc and grep are not ran under sudo, they are next comman=
d in pipe chain, if *want* them to run under sudo, you must prepend sudo to=
 each of them\r\n\r\nwhy it works is likely \"ip\" command does not require=
 root access, and sudo will just include `/sbin` in path so the program is =
visible. solution: use abs path.\r\n\r\nhowever i kept sudo, because depend=
ing on kernel hardening `ip` via `sudo` may give more information than unde=
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