ifconfig eth0

How do I display a list of all installed Ethernet adapters on Ubuntu Linux server using bash command line option?

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My CentOS / RHEL based server is configured with Intel PRO/1000 network interface cards. NAPI (Rx polling mode) is supported in the e1000 driver. I’ve multiple CPUs. How do I configure NAPI, decreasing interrupts and improve overall server network performance?

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How do I set txqueuelen (the length of the transmit queue) length of the network card device under Linux? How do I set it for a high latency and/or a high speed network for bulk transfer from disturbing interactive traffic like ssh too much?

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Q. How do I remove virtual interfaces such as eth0:1 or eth1:1?

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Q. I need to get the IP address assigned to eth0 Linux interface. How do I find out IP address only? I don’t want other information displayed by Linux ifconfig command. A. For shell script or may be for other cause you may need the IP address only. You can use ifconfig command with grep […]

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