![]() The DHCP client is always installed on Linux hosts-at least on Red Hat-based distros and all other distros I have tried-because of the high probability that they will be connected to a network using DHCP and not with a static configuration. It can be examined by standard, simple text manipulation tools like cat and grep, and be modified by any text editor such as EMACS or Vim, or a stream editor such as sed. This structure means that it is open and knowable. Like all well-designed Linux configuration files, it is a simple ASCII plain text file. DHCPD stands for DHCP Daemon, which is the background server process. This database is entirely contained in the /etc/dhcp/nf configuration file. The DHCP server uses a database of information created by the sysadmin. ![]() However, DHCP offers even more advantages when used in a closed, private network to manage static IP address assignments for known hosts using the central DHCP database. This configuration is typical for WiFi access in public places. DHCP eliminates the need to configure each network host individually.ĭHCP is also useful for configuring laptops, mobile phones, tablets, and other devices which might connect as unknown guests. The DHCP server assigns IP addresses to hosts, along with configuration information such as DNS servers, the domain name used for DNS searches, the default gateway, an NTP (Network Time Protocol) server, a server from which a network boot can be performed if necessary, and more. ![]() The Dynamic Host Configuration Protocol (DHCP) provides a centralized and automated method for configuring the network attributes of hosts when they connect to the network.
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