NETWORKMANAGER(8) Network management daemons NETWORKMANAGER(8) '" t (NAME) NetworkManager - (SYNOPSIS) NetworkManager [...] (DESCRIPTION) NetworkManager (Wi-Fi) . NetworkManager . D-Bus API . (DISPATCHER SCRIPTS) NetworkManager-dispatcher . NetworkManager-dispatcher(8) . (OPTIONS) : --version | -V NetworkManager . --help | -h NetworkManager . --no-daemon | -n (). --debug | -d syslog. --pid-file | -p (PID). PID . --state-file NetworkManager. /var/lib/NetworkManager/NetworkManager.state . --config NetworkManager. /etc/NetworkManager/NetworkManager.conf 'nm-system-settings.conf' . NetworkManager.conf(5) . --configure-and-quit [initrd] . initrd NetworkManager (ramdisk) . --plugins . . main.plugins NetworkManager.conf(5) . --log-level NetworkManager ( "daemon" syslog) . . logging NetworkManager.conf(5) . --log-domains ( syslog) . . logging NetworkManager.conf(5) . --print-config NetworkManager (stdout) . NetworkManager.conf(5) . () . nmcli connection . . NetworkManager . UDEV (UDEV PROPERTIES) udev(7) . NetworkManager : NM_UNMANAGED "1" "true" NetworkManager . nmcli device set "" managed yes "device*.managed=1" NetworkManager.conf . ID_NET_MANAGED_BY NM_UNMANAGED . "org.freedesktop.NetworkManager" . NM_AUTO_DEFAULT_LINK_LOCAL_ONLY "1" "true" "Wired connection N" (link-local) IPv4 IPv6 . (Thunderbolt) USB . ID_NET_AUTO_LINK_LOCAL_ONLY NM_AUTO_DEFAULT_LINK_LOCAL_ONLY . ID_NET_DHCP_BROADCAST "1" "true" (broadcast) DHCPv4 . (unicast) . (SIGNALS) NetworkManager : SIGHUP NetworkManager . . SIGHUP DNS DNS. dnsmasq /etc/NetworkManager/dnsmasq.d . (name resolution) . . SIGHUP NetworkManager . . API D-Bus reload nmcli . SIGUSR1 DNS . SIGHUP DNS . NetworkManager DNS DNS ( DNS WireGuard) NetworkManager resolv.conf . . SIGUSR1 resolv.conf (cache) . SIGHUP . SIGUSR2 . Reload D-Bus . PolicyKit . (DEBUGGING) NetworkManager . . NetworkManager . ping ( IP DNS) ip link show ip address show ip route show /etc/resolv.conf . NetworkManager (nmcli connection nmcli connection show "") (nmcli device) . () NetworkManager . NetworkManager syslog journalctl . NetworkManager . nmcli general logging level TRACE domains ALL . level=TRACE NetworkManager.conf . NetworkManager.conf(5) . trace NetworkManager systemd-journald (rate limit) . RateLimitIntervalSec RateLimitBurst journald ( journald.conf(5) ). NetworkManager . . ( ) . (/VAR/LIB/NETWORKMANAGER/SECRET_KEY AND /ETC/MACHINE-ID) . ipv6.addr-gen-mode=stable ethernet.cloned-mac-address=stable ( ) . connection.stable-id (seed) . . /var/lib/NetworkManager/secret_key /etc/machine-id . (clone) . /etc/machine-id ( machine-id(5) ). /var/lib/NetworkManager/secret_key . NetworkManager . . root . .. NetworkManager . /var/lib/NetworkManager/secret_key "nm-v2:" . NetworkManager . /etc/machine-id . /var/lib/NetworkManager/secret_key /etc/machine-id . (BUGS) NetworkManager NetworkManager[1] . (SEE ALSO) NetworkManager[2], NetworkManager.conf(5), NetworkManager-dispatcher(8), NetworkManager-wait-online.service(8), nmcli(1), nmcli-examples(7), nm-online(1), nm-settings-nmcli(5), nm- applet(1), nm-connection-editor(1), udev(7) (NOTES) 1. NetworkManager issue tracker https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/issues 2. NetworkManager home page https://networkmanager.dev NetworkManager 1.58.1 NETWORKMANAGER(8)