Difference between revisions of "Miscellaneous Linux Commands"
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<pre style="color:blue">eth0 </pre> | <pre style="color:blue">eth0 </pre> | ||
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| − | Other systems may have more than one, such as those with virtual machine software or with more than one physical [http://en.wikipedia.org/wiki/Network_interface_controller] | + | Other systems may have more than one, such as those with virtual machine software or with more than one physical [http://en.wikipedia.org/wiki/Network_interface_controller NIC]. |
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Also, some systems use non-standared network interface names, other than the usual eth0. | Also, some systems use non-standared network interface names, other than the usual eth0. | ||
Revision as of 18:45, 17 November 2014
Shell Commands
Display all network interface names on any Linux system from the shell:
/sbin/ifconfig | grep BROADCAST | cut -d " " -f1 | sed 's/.$//'
Most Linux machines will only display one network interface, such as shown on my Slackware 14.1 Virtual Machine Server:
eth0
Other systems may have more than one, such as those with virtual machine software or with more than one physical NIC.
Also, some systems use non-standared network interface names, other than the usual eth0.
Here are some samples of those types of systems. In these examples, the first network interface name is the main one used, and the following ones are used for the virtual machine software.
Sample output from my Fedora 20 (Heisenbug) VirtualBox server:
em1 virbr0
And here is a sample output from my Fedora 17 (Beefy Miracle) laptop running VMWare:
p5p1 vmnet1 vmnet8
The "ps" Process Command Syntax
To show all executing processes:
$ ps ax
To show all processed running by a specific user(This example shows all processes running by the Apache WebServer):
$ ps -U apache