Yes, it's strange, but apparently due to NetworkManager, per packetlife.net/blog/2008/sep/24/169-254-0-0-addresses-explained.Winston wrote:
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169.254.0.0/16 dev eth0 scope link metric 1000
That looks strange but I don't use NetworkManager so I don't know what's normal for that.
I spent most of the afternoon figuring out how to disable NM and configure /etc/network/interfaces using https://wiki.debian.org/NetworkConfigur ... _Interface and https://wiki.debian.org/WiFi/HowToUse. So now I have the below and it does bring up ethernet, but wireless is still not working. In addition, reboot stalls with the message "A start job is running for Raise network interfaces." for a bit more than 6 minutes, though it finally reboots. My revised interfaces file:I would disable NM completely and try connecting manually to narrow down the source of the problem.
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cat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# my ethernet
auto eth0
allow-hotplug eth0
iface eth0 inet dhcp
iface eth0 inet6 dhcp
# my wifi device
allow-hotplug wlp12s0.
iface wlp12s0. inet dhcp
wireless-essid Corniche5
wireless-mode Master
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
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sudo systemctl status NetworkManager
● NetworkManager.service - Network Manager
Loaded: loaded (/lib/systemd/system/NetworkManager.service; disabled; vendor preset: enabled)
Active: inactive (dead) since Wed 2020-02-26 16:05:05 EST; 36min ago
Docs: man:NetworkManager(8)
Main PID: 445 (code=exited, status=0/SUCCESS)
Feb 26 16:00:32 Debian NetworkManager[445]: <info> [1582750832.1148] agent-manager: req[0x556c036619c0, :1.45/org
Feb 26 16:02:10 Debian NetworkManager[445]: <info> [1582750930.7029] device (eth0): carrier: link connected
Feb 26 16:05:05 Debian NetworkManager[445]: <info> [1582751105.2807] caught SIGTERM, shutting down normally.
Feb 26 16:05:05 Debian systemd[1]: Stopping Network Manager...
Feb 26 16:05:05 Debian NetworkManager[445]: <info> [1582751105.3036] dhcp4 (wlp12s0): canceled DHCP transaction,
Feb 26 16:05:05 Debian NetworkManager[445]: <info> [1582751105.3037] dhcp4 (wlp12s0): state changed bound -> done
Feb 26 16:05:05 Debian NetworkManager[445]: <info> [1582751105.3037] device (wlp12s0): DHCPv4: 480 seconds grace
Feb 26 16:05:05 Debian NetworkManager[445]: <info> [1582751105.3506] exiting (success)
Feb 26 16:05:05 Debian systemd[1]: NetworkManager.service: Succeeded.
Feb 26 16:05:05 Debian systemd[1]: Stopped Network Manager.