{{tag>troubleshooting ubuntu network}} ====== Ubuntu troubleshooting ====== ===== 22.04 ===== ==== No wired internet - 22.04.2 Network Unclaimed ==== Happened after upgrade from 20.04.04 to 22.04.2, there was no wired connection detected: antisa@antisa-desktop:/etc/netplan$ sudo lshw -C network *-network UNCLAIMED description: Ethernet controller product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:04:00.0 version: 15 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix cap_list configuration: latency=0 resources: ioport:e000(size=256) memory:fc604000-fc604fff memory:fc600000-fc603fff *-network UNCLAIMED description: Ethernet controller product: RTL8125 2.5GbE Controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:2a:00.0 version: 04 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd cap_list configuration: latency=0 resources: ioport:d000(size=256) memory:fc500000-fc50ffff memory:fc510000-fc513fff FIX: Download [[http://security.ubuntu.com/ubuntu/pool/main/l/linux-hwe-5.19/linux-modules-extra-5.19.0-38-generic_5.19.0-38.39~22.04.1_amd64.deb|linux-modules-extra-5.19.0-38]] on phone and transfer it to desktop and install it and reboot: antisa@antisa-desktop:/etc/netplan$ sudo dpkg -s linux-modules-extra-$(uname -r) | grep Status dpkg-query: package 'linux-modules-extra-5.19.0-38-generic' is not installed and no information is available Use dpkg --info (= dpkg-deb --info) to examine archive files. antisa@antisa-desktop:~$ sudo apt install ./linux-modules-extra-5.19.0-38-generic_5.19.0-38.39~22.04.1_amd64.deb Reading package lists... Done Building dependency tree... Done Reading state information... Done Note, selecting 'linux-modules-extra-5.19.0-38-generic' instead of './linux-modules-extra-5.19.0-38-generic_5.19.0-38.39~22.04.1_amd64.deb' The following NEW packages will be installed: linux-modules-extra-5.19.0-38-generic 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 70,9 MB of archives. After this operation, 454 MB of additional disk space will be used. Ign:1 http://hr.archive.ubuntu.com/ubuntu jammy-updates/main amd64 linux-modules-extra-5.19.0-38-generic amd64 5.19.0-38.39~22.04.1 Ign:1 http://hr.archive.ubuntu.com/ubuntu jammy-updates/main amd64 linux-modules-extra-5.19.0-38-generic amd64 5.19.0-38.39~22.04.1 Ign:1 http://hr.archive.ubuntu.com/ubuntu jammy-updates/main amd64 linux-modules-extra-5.19.0-38-generic amd64 5.19.0-38.39~22.04.1 Ign:1 http://hr.archive.ubuntu.com/ubuntu jammy-updates/main amd64 linux-modules-extra-5.19.0-38-generic amd64 5.19.0-38.39~22.04.1 Ign:1 http://security.ubuntu.com/ubuntu jammy-updates/main amd64 linux-modules-extra-5.19.0-38-generic amd64 5.19.0-38.39~22.04.1 Get:1 http://security.ubuntu.com/ubuntu jammy-updates/main amd64 linux-modules-extra-5.19.0-38-generic amd64 5.19.0-38.39~22.04.1 [70,9 MB] Selecting previously unselected package linux-modules-extra-5.19.0-38-generic. (Reading database ... 352093 files and directories currently installed.) Preparing to unpack .../linux-modules-extra-5.19.0-38-generic_5.19.0-38.39~22.04.1_amd64.deb ... Unpacking linux-modules-extra-5.19.0-38-generic (5.19.0-38.39~22.04.1) ... Setting up linux-modules-extra-5.19.0-38-generic (5.19.0-38.39~22.04.1) ... Processing triggers for linux-image-5.19.0-38-generic (5.19.0-38.39~22.04.1) ... /etc/kernel/postinst.d/dkms: * dkms: running auto installation service for kernel 5.19.0-38-generic Error! Your kernel headers for kernel 5.19.0-38-generic cannot be found. Please install the linux-headers-5.19.0-38-generic package or use the --kernelsourcedir option to tell DKMS where it's located. Error! Your kernel headers for kernel 5.19.0-38-generic cannot be found. Please install the linux-headers-5.19.0-38-generic package or use the --kernelsourcedir option to tell DKMS where it's located. ...done. /etc/kernel/postinst.d/initramfs-tools: update-initramfs: Generating /boot/initrd.img-5.19.0-38-generic /etc/kernel/postinst.d/zz-update-grub: Sourcing file `/etc/default/grub' Sourcing file `/etc/default/grub.d/init-select.cfg' Generating grub configuration file ... Found linux image: /boot/vmlinuz-5.19.0-38-generic Found initrd image: /boot/initrd.img-5.19.0-38-generic Found linux image: /boot/vmlinuz-5.15.0-69-generic Found initrd image: /boot/initrd.img-5.15.0-69-generic Memtest86+ needs a 16-bit boot, that is not available on EFI, exiting Warning: os-prober will not be executed to detect other bootable partitions. Systems on them will not be added to the GRUB boot configuration. Check GRUB_DISABLE_OS_PROBER documentation entry. Adding boot menu entry for UEFI Firmware Settings ... done antisa@antisa-desktop:~$ uname -a Linux antisa-desktop 5.19.0-38-generic #39~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Fri Mar 17 21:16:15 UTC 2 x86_64 x86_64 x86_64 GNU/Linux antisa@antisa-desktop:~$ sudo dpkg -s linux-modules-extra-$(uname -r) | grep Status Status: install ok installed antisa@antisa-desktop:~$ reboot ==== keepassxc and firefox snap ==== Run these 2 commands: sudo apt-get install flatpak flatpak permission-set webextensions org.keepassxc.keepassxc_browser snap.firefox yes and restart firefox. ==== virtualbox ==== Error: The character device /dev/vboxdrv does not exist' Solution: sudo apt install --reinstall linux-headers-$(uname -r) virtualbox-dkms dkms Reboot. ==== Tested on ==== * Ubuntu 22.04.2 ====== See also ====== * [[wiki:network_troubleshooting#wired_ethernet_turns_off_and_on_constantly|network troubleshooting]] ====== References ====== * https://askubuntu.com/questions/1437477/22-04-1-network-unclaimed * https://discourse.ubuntu.com/t/jammy-jellyfish-release-notes/24668 * https://stackoverflow.com/questions/60350358/how-do-i-resolve-the-character-device-dev-vboxdrv-does-not-exist-error-in-ubu * https://www.bentasker.co.uk/posts/blog/general/enabling-nativemessaging-for-keepassxc-on-ubuntus-snap-firefox.html