Fedora Users — Re: how to check link under Linux

Re: how to check link under Linux

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To: "Community assistance, encouragement, and advice for using Fedora." <fedora-list@xxxxxxxxxx>

Subject: Re: how to check link under Linux

From: Steve Berg <sberg@xxxxxxxxxxxxxxx>

Date: Fri, 04 Dec 2009 15:46:58 -0600

In-reply-to: <980614.39306.qm@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>

References: <980614.39306.qm@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>

Reply-to: "Community assistance, encouragement, and advice for using Fedora." <fedora-list@xxxxxxxxxx>

User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.4pre) Gecko/20090922 Fedora/3.0-3.9.b4.fc12 Lightning/1.0pre Thunderbird/3.0b4

On 12/04/2009 02:34 PM, Tudod Ki wrote:

as we can do a check on e.g.: routerOS:

interface ethernet monitor ether1
                 status: link-ok
       auto-negotiation: done
                   rate: 100Mbps
            full-duplex: yes
default-cable-setting: standard

how could I check that is there a link under "Linux"? [to get info about the cable - is it plugged in or not?]

ethtool eth0
or
ethtool eth1

Depending on the device name for your NIC. Last line of the output says if a link is detected or not.

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