![]() The Debian Installer creates this entry for a system without a permanent IP address as a workaround for some software (e.g., GNOME) as documented in the bug #719621. The IP address 127.0.1.1 in the second line of this example may not be found on some other Unix-like systems. # The following lines are desirable for IPv6 capable hostsĮach line starts with a IP address and it is followed by the associated hostname. Then, " /etc/hosts" looks like the following. If the hostname is found by the query to the Internet Domain Name System (DNS) identified by the " /etc/nf" file, it returns all valid addresses for it and exits.Ī typical workstation may be installed with its host name set to, e.g., " host_name" and its optional domain name set to an empty string. (The " /etc/nf" file contains " multi on".) If the hostname is found in the " /etc/hosts" file, it returns all valid addresses for it and exits. (This replaces the old functionality of the " order" stanza in " /etc/nf".) The " /etc/nf" file with stanza like " hosts: files dns" dictates the hostname resolution order. Trace a chain of DNS servers to the source Network clients provided with BIND: nslookup(8), nsupdate(8), dig(8)Ĭheck DNS zone information using nameserver lookups Produce a summarization of the connections from tcpdump outputįlexible network intrusion detection system ( Snort) ![]() Network traffic analyzer ( Wireshark, GTK) Network traffic analyzer ( Tcpdump, console) Network mapper / port scanner ( Nmap, console) Tools for common network information operations (GNOME) Trace the network path to a remote host (curses and GTK) Trace the network path to a remote host (curses) Test network reachability of a remote host specified by the ARP addressĭisplay or change Ethernet device settings Test network reachability of a remote host by hostname or IP address ( iproute2) Iproute2, IPv6 and other advanced network configuration: ip(8), tc(8), etcĪdministration tools for packet filtering and NAT ( Netfilter)Īdministration tools for packet filtering and NAT ( Netfilter) (successor to tables) Tool for configuring Linux wireless devices ![]() Tools for manipulating Linux Wireless Extensions Standardized tool to bring up and down the network (Debian specific)Ĭonfiguration helper for PPPoE connectionĬlient support for WPA and WPA2 (IEEE 802.11i) Netplan (generator): Unified, declarative interface to NetworkManager and systemd-networkd backends NetworkManager (daemon): manage the network automatically
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