The Intelligent Platform Management Interface (IPMI) is a standardized computer system interface used by system administrators for out-of-band management of computer systems and monitoring of their operation. It is a way to manage a computer that may be powered off or otherwise unresponsive by using a network connection to the hardware rather than to an operating system or login shell. – Wikipedia.org
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NetHogs Command Line Options
Following are the nethogs command line options. Using ‘-d‘ to add a refresh rate and ‘device name‘ to monitor specific given device or devices bandwidth (default is eth0). For example, to set 5 seconds as your refresh rate, then type the command as.
# nethogs -d 5 $ sudo nethogs -d 5
To monitor specific device (eth0) network bandwidth only, use the command as.
# nethogs eth0 $ sudo nethogs eth0
To monitor network bandwidth of both eth0 and eth1 interfaces, type the following command.
# nethogs eth0 eth1 $ sudo nethogs eth0 eth1
Other Options and Usage
-d : delay for refresh rate. -h : display available commands usage. -p : sniff in promiscious mode (not recommended). -t : tracemode. -V : prints Version info.
NetHogs Interactive Controls
Following are some useful interactive controls (Keyboard Shortcuts) of nethogs program.
-m : Change the units displayed for the bandwidth in units like KB/sec -> KB -> B-> MB. -r : Sort by magnitude of respectively traffic. -s : Sort by magnitude of sent traffic. -q : Hit quit to the shell prompt.
How do I setup and manage a virtualized environment with Kernel based Virtual Machine (KVM) in CentOS or Red Hat Enterpise Linux version 6 server on IBM server? Can you provide step-by-step commands of how to install and manage Virtual Machines (VMs) on a physical server using KVM for RHEL/CentOS version 6.4?
Repost from: nixCraft LINUX / UNIX