Networking

I run a BT client and few other server program on Linux. Sometime these programs get overloaded with too many connections and crashes. If I restart my apps, I see lots of old IPs in a TIME_WAIT state. How do I force and and close everything in a TIME_WAIT state under Linux operating systems?

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I have Red Hat Enterprise Linux 6.x server. How do I find out and groups network bandwidth usage by process under Linux operating systems? How do I find out what programs are using network bandwidth under Linux operating systems? How can I see bandwidth usage per PID, command, and user on a Linux operating systems?

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I have Soekris single board communication embedded computers which is optimized for low power and network usage. The server has four Ethernet ports. How do I setup IPv4 software bridge using OpenBSD operating systems so that the rest of four ports act as a network switch?

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A wireless NIC is showing as wlan0 but I need to be appear as eth1. How can I rename wlan0 devices through udev as eth1? How do I change or rename eth0 as wan0 under Linux operating systems?

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My server has five Ethernet ports and one ADSL port. How do I setup IPv4 software bridge using Debian Linux operating systems so that the rest of five ports act as a network switch?

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The ethtool can be used to query and change settings such as speed, auto- negotiation and checksum offload on many network devices, especially Ethernet devices. How do I install and use ethtool under Ubuntu or Debian Linux based system running on my IBM server?

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I have recently rented a dedicated server for my hobby projects and learning CentOS Linux server. I was informed that I am connected to the 100M/s port. How do I test my Internet connection download speed from the console over the ssh session without using HTML5 or Adobe flash/Java applets based websites? How do I test my upload speed from the console?

{ 10 comments }