What do I need to update according to dmesg?
However, since the server has an X710 NIC, you should consider upgrading to at least version 3.10.0-1112.el7 of the kernel; see the RHEL 7 kernel changelog for details. Thanks for contributing an answer to Unix & Linux Stack Exchange!
What does bad checksum mean in UDP / 5353?
As far as I can see, if the checksums are handled in hardware, this message means that the hardware actually detected a bad checksum in a received UDP packet. UDP/5353 is normally used by MDNS: multicast DNS, a peer-to-peer hostname resolution and service discovery protocol.
What is the latest kernel version for RHEL 7?
As you mentioned in a comment, the warning about the NVM version can probably be ignored. However, since the server has an X710 NIC, you should consider upgrading to at least version 3.10.0-1112.el7 of the kernel; see the RHEL 7 kernel changelog for details.
What does the dmesg command in Sudo do?
The dmesg command allows you to review the messages that are stored in the ring buffer. By default, you need to use sudo to use dmesg. All of the messages in the ring buffer are displayed in the terminal window.
Is the / var / log / dmesg file created during boot for Red Hat?
On boot, there is no /var/log/dmesg file after install RHEL8. I can get dmesg file via command dmesg, is this new design for RHEL 8, or do I need to modify some configuration to generate it automatically? A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.
Where do I find dmesg in my terminal?
When new messages appear they are displayed by dmesg at the bottom of the terminal window. Even mounting a CD-ROM disk is seen as a change, because you’ve grafted the contents of the CD-ROM disk onto the directory tree. To exit from the real-time feed, hit Ctrl+C. Use the tail command to retrieve the last ten kernel ring buffer messages.