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7 FAQ tagged "Networking"

• Ubuntu Linux Configure Gateway / Default Routing IP Address

  How do I configure default router or gateway IP address under Ubuntu Linux / Debian Linux? How do I change default router / gateway IP under Ubuntu Linux?

• FreeBSD Configure NIC Jumbo Frames

  Q.Under Linux I can set Jumbo Frames by modifying configuration file. How do I configure FreeBSD network card Jumbo frames on all of my NIC for 1000 Mbps speed and make MTU configuration persistence?

• Redhat Enterprise Linux 5 / CentOS 5 monitor and track TCP connections on the network (eth0)

  Q. How do I track and monitor connection for eth1 public network interface under Redhat Enterprise Linux (RHEL) 5 server?
  A.You can use netstat command or tcptrack command. Both command can show established TCP connection and provides the ability to monitor the same.
  netstat command
  netstat command prints information about the Linux networking subsystem. It also works [...]

• Ubuntu Linux restart network

  I’m new to Linux and installed Ubuntu Linux successfully on my HP Laptop. Now I need to restart my network. How do I restart network under Ubuntu Linux?

• How to bind a range of IP’s in Debian / Ubuntu Linux

  ’ve recently installed Debian Linux 4.0 on my server and Ubuntu Linux 7.04 on Laptop. I would love to have a multiple IP address that I can use for verity of purposes. I would like to bind 4 IP’s to the ‘eth0′ device or NIC. How do I do that?

• Debian / Ubuntu Linux Setting a Default Gateway

  Q. How do I setup a default gateway on Debian or Ubuntu Linux? My router IP is 192.168.1.254 and I’d like to setup this as a default gateway for Debian Linux.
  A. You can use command line tool such as
  a] ip command - show / manipulate routing, devices, policy routing and tunnels
  b] route command - show [...]

• Ubuntu Linux root password - default password

  Q. I have just installed Ubuntu Linux. But, what is the default root password? I can only login as a normal user.
  A. This is the mystery for most users - you didn’t set a root password, so what is it?
  The root user can do anything as this a/c has full access to system. So [...]

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