I did a sudo apt-get update and sudo apt-get upgrade and now my raspberry pi 3 does not connect via Ethernet to my router.
I have my ethernet managed by network manager before. now when I do a do a manual connection it say:
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pi@piTest:~ $ sudo nmcli device connect eth0
Error: Failed to add/activate new connection: Connection 'eth0' is not available on the device eth0 at this time.
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pi@piTest:/ $ nmcli device show
GENERAL.DEVICE: eth0
GENERAL.TYPE: ethernet
GENERAL.HWADDR: B8:27:EB:BE:83:61
GENERAL.MTU: 1500
GENERAL.STATE: 20 (unavailable)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
WIRED-PROPERTIES.CARRIER: off
GENERAL.DEVICE: lo
GENERAL.TYPE: loopback
GENERAL.HWADDR: 00:00:00:00:00:00
GENERAL.MTU: 65536
GENERAL.STATE: 10 (unmanaged)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
IP4.ADDRESS[1]: 127.0.0.1/8
IP4.GATEWAY: --
IP6.ADDRESS[1]: ::1/128
IP6.GATEWAY: --
GENERAL.DEVICE: wlan0
GENERAL.TYPE: wifi
GENERAL.HWADDR: B8:27:EB:EB:D6:34
GENERAL.MTU: 1500
GENERAL.STATE: 10 (unmanaged)
GENERAL.CONNECTION: --
GENERAL.CON-PATH: --
IP4.ADDRESS[1]: 172.24.1.1/24
IP4.GATEWAY: --
IP6.ADDRESS[1]: fe80::ba27:ebff:feeb:d634/64
IP6.GATEWAY: --
pi@piTest:/ $ nmcli device status
DEVICE TYPE STATE CONNECTION
eth0 ethernet unavailable --
lo loopback unmanaged --
wlan0 wifi unmanaged --
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pi@piTest:~ $ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
raspberrypi-sys-mods
The following packages will be upgraded:
base-files bind9-host bluez-firmware bsdutils cpp-6 cron curl dbus ffmpeg firmware-atheros firmware-brcm80211 firmware-libertas firmware-misc-nonfree firmware-realtek g++-6 gcc-6 gcc-6-base
isc-dhcp-client isc-dhcp-common libapache2-mod-php7.0 libapparmor1 libasan3 libatomic1 libavcodec57 libavdevice57 libavfilter6 libavformat57 libavresample3 libavutil55 libbind9-140 libblkid1 libc-bin
libc-dev-bin libc-l10n libc6 libc6-dbg libc6-dev libcc1-0 libcurl3 libcurl3-gnutls libcurl4-openssl-dev libdbus-1-3 libdbus-1-dev libdns-export162 libdns162 libfdisk1 libgcc-6-dev libgcc1 libgomp1
libicu57 libisc-export160 libisc160 libisccc140 libisccfg140 liblwres141 libmosquitto1 libmount1 libncurses5 libncursesw5 libncursesw5-dev libpam-systemd libpostproc54 libraspberrypi-bin
libraspberrypi-dev libraspberrypi-doc libraspberrypi0 libsmartcols1 libssl1.0.2 libssl1.1 libstdc++-6-dev libstdc++6 libswresample2 libswscale4 libsystemd0 libtasn1-6 libtinfo-dev libtinfo5 libubsan0
libudev-dev libudev1 libuuid1 libvorbis0a libvorbisenc2 libvorbisfile3 libvpx4 libwavpack1 libwbclient0 libxml2 locales mosquitto-clients mount multiarch-support ncurses-base ncurses-bin ncurses-term
openssh-client openssh-server openssh-sftp-server openssl php7.0 php7.0-cli php7.0-common php7.0-json php7.0-opcache php7.0-readline pi-bluetooth raspberrypi-bootloader raspberrypi-kernel raspi-config
samba-common ssh systemd systemd-sysv tzdata udev util-linux uuid-dev
117 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
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Linux piRadioTest 4.14.30-v7+ #1102 SMP Mon Mar 26 16:45:49 BST 2018 armv7l GNU/Linux Thanks