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Utility Services

Overview

Variety of convenience services for carrying out common networking changes.

The following services are provided as utilities:

  • UCARP
  • IP Forward
  • Default Routing
  • Default Muticast Routing
  • Static Routing
  • SSH
  • DHCP
  • DHCP Client
  • FTP
  • HTTP
  • PCAP
  • RADVD
  • ATD

Installation

To install the functionality of the previously metioned services you can run the following command:

sudo apt-get install isc-dhcp-server apache2 libpcap-dev radvd at

UCARP

UCARP allows a couple of hosts to share common virtual IP addresses in order to provide automatic failover. It is a portable userland implementation of the secure and patent-free Common Address Redundancy Protocol (CARP, OpenBSD's alternative to the patents-bloated VRRP).

Strong points of the CARP protocol are: very low overhead, cryptographically signed messages, interoperability between different operating systems and no need for any dedicated extra network link between redundant hosts.

Installation

sudo apt-get install ucarp