No Network adapter after update, no usb

  • Hi,I'm in trouble with my OMV4 installation.
    I did an update of my installiation via OMV-web-gui.


    actual Kernel: 4.18.0-0.bpo.3-amd64


    Problem after reboot: No network interface(s) available


    Hardware: Asrock J4105-ITX with Onboard Realtek


    last year i had some trouble with this Adapter - sometimes after wakeup by WOL there was no network, so i blacklisted the R8169 and installed R8168 (tutorial: link)
    sorry pictures - because of network Problem...

    lspci:


    iplink show:


    the next problem: i can't add an usb device to install firmware / driver / ...
    output:


    i tried to add Realtek RTL8111/RTL8168 firmware with following Result: --> kernel-header-Problem


    how can i handle this - i tried to add an RTL2800 wifi Stick to handle this - without sucess
    has anyone an idea how to solve this Problem, i have to much Docker-installations on this machine to make a new setup

  • I also had network problem after I updated my OMV installation and rebooted today.


    But I could successfully add an USB 3 NIC and assigned it an ip adress with omv-firstaid so my server is now online again. I also use Docker so perhaps that is something that could explain why we have network problem.

  • HeyHo,


    yesterday i tried to install an realtek_8111.deb (not full name) from 2016 - after this it worked with Kernel 4.18.0-0.bpo.1-amd64 --> reboot --> LAN, YEAH 8o


    then i tried updating through omv-web-ui Kernel 4.19...and realtek-firmware --> reboot, no LAN
    --> started with 4.18.0-0.bpo.1-amd64 --> working.


    in my case, i think the following update was/is the problem:


    firmware-realtek 20180825+dfsg-1~bpo9+1
    Binary firmware for Realtek wired/wifi/BT adapters



    so, actually i'm happy.
    can i forbid / blacklist this update ?


    [EDIT]
    found!


    apt-mark hold firmware-realtek

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