ethtool or mii-tool utility checks or sets the status of a network interface’s Media Independent Interface (MII) unit. Most fast ethernet adapters use an MII to autonegotiate link speed and duplex setting. Due to software or hardware (network switch or Ethernet card ) error it may be possible that you need to restarts auto-negotiation on [...]
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Explains how to configure ip aliasing under Ubuntu Linux operating system so that you can have multiple IP address assigned to a single interface.
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Static routes improves overall performance of your network (especially bandwidth saving). They are also useful in stub networks (i.e. there is only one link to the network). For example, each LAN (located at different offices) is connected to HQ IDC (Internet data center) using single T1/LL/Wan links.
For example under Red Hat/Fedora Linux you can add static router for eth0 network interface by editing /etc/sysconfig/network-scripts/route-eth0 file. Under Debian Linux add static route by editing /etc/network/interface file.
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Reading an IP address in shell script required many time. However, different Linux distribution stores IP address in different files. If you are looking to run script under different UNIX like OSes such as Solaris or FreeBSD then you need to use the ifconfig command. The ifconfig command is not just used to configure a network interface, but it can be use to obtained information such as network IP, netmask and much more.
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Almost a year ago, I wrote about Linux MRTG configuration how-to. However, some user seems to confused with MRTG, most users would like to see how much traffic actually generated by ADSL/Cable service provider on daily and monthly basis.
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