Maybe running a Live CD/DVD long enough to get the necessary pieces of info/driver files. ELREPO for Centos7 carries newer kernels.
On Fri, Dec 11, 2020 at 6:55 PM Russell Senior <[email protected]> wrote: > > The specs for your board says the on-board NIC is an RTL8125, The > driver was merged into the kernel about a year ago: > > commit 087f5b8758ae9f1b1968bc469bb3f5fae53e639b > Author: Heiner Kallweit <[email protected]> > Date: Fri Aug 9 20:45:14 2019 +0200 > > net: phy: realtek: add support for the 2.5Gbps PHY in RTL8125 > > This adds support for the integrated 2.5Gbps PHY in Realtek RTL8125. > Advertisement of 2.5Gbps mode is done via a vendor-specific register. > Same applies to reading NBase-T link partner advertisement. > Unfortunately this 2.5Gbps PHY shares the PHY ID with the integrated > 1Gbps PHY's in other Realtek network chips and so far no method is > known to differentiate them. As a workaround use a dedicated fake PHY ID > that is set by the network driver by intercepting the MDIO PHY ID read. > > v2: > - Create dedicated PHY driver and use a fake PHY ID that is injected by > the network driver. Suggested by Andrew Lunn. > > Signed-off-by: Heiner Kallweit <[email protected]> > Reviewed-by: Andrew Lunn <[email protected]> > Signed-off-by: David S. Miller <[email protected]> > > > On Fri, Dec 11, 2020 at 6:48 PM Russell Senior > <[email protected]> wrote: > > > > Even a USB-ethernet dongle will get you going. A USB3 dongle can do > > gigabit pretty easily. > > > > On Fri, Dec 11, 2020 at 6:43 PM Russell Senior > > <[email protected]> wrote: > > > > > > Can you install another NIC that is supported? > > > > > > On Fri, Dec 11, 2020 at 6:39 PM Michael Barnes <[email protected]> > > > wrote: > > > > > > > > On Fri, Dec 11, 2020 at 5:37 PM TomasK <[email protected]> > > > > wrote: > > > > > > > > > CentOS 7 is pretty old (predates it by years) for your hardware - you > > > > > need kernel 5.3 or newer for this to work properly. > > > > > > > > > > I am not sure if you can get this new kernel from CentOS 7 > > > > > repositories. If you are used to CentOS - try CentOS stream or Fedora > > > > > with newer kernel. > > > > > > > > > > Hope that helps, > > > > > Tomas > > > > > > > > > > On Fri, 2020-12-11 at 16:53 -0800, Michael Barnes wrote: > > > > > > Just got a new computer a friend built. It is using a Biostar > > > > > > B550GTA > > > > > > Motherboard. I installed CentOS 7 in it, which went well. > > > > > > > > > > > > Problem is, I cannot get a network connection. I plug in the > > > > > > Ethernet > > > > > > cable > > > > > > and get a good light on the switch and a blinking yellow light on > > > > > > the > > > > > > jack > > > > > > in the computer. Cable verified good. > > > > > > > > > > > > If I do an 'ip a' it only shows io, no eth0. If I run the network > > > > > > utility > > > > > > nmtui, it does not show any Ethernet devices. > > > > > > > > > > > > I haven't worked on machines at this level in a few years, so I have > > > > > > likely > > > > > > forgotten all the obvious stuff. I went into the Motherboard setup > > > > > > and find > > > > > > nothing regarding enable/disable onboard Ethernet. > > > > > > > > > > > > Any ideas? > > > > > > > > > > > > Thanks, > > > > > > Michael > > > > > > > > > > > > > > > > > > > First, the computer I had was too old. Now, it is too new. I have to use > > > > CentOS7 for the application I am running, which uses qt4. CentOS8 only > > > > has > > > > qt5, which is not backwards compatible. And, so far, everything I have > > > > seen > > > > says because CentOS Stream is based on pre-release RHEL, it is not ready > > > > for production use. Looks like I'm getting caught between a rock and a > > > > hard > > > > place. > > > > > > > > I wanted to see what it said about the nic, so I ran lspci and got > > > > "command > > > > not found". I guess I need to install pciutils, which is on the > > > > installation DVD, but I don't know how to install it from that. Only > > > > have > > > > the command line at this time. > > > > > > > > Michael > > > > _______________________________________________ > > > > PLUG: https://pdxlinux.org > > > > PLUG mailing list > > > > [email protected] > > > > http://lists.pdxlinux.org/mailman/listinfo/plug > _______________________________________________ > PLUG: https://pdxlinux.org > PLUG mailing list > [email protected] > http://lists.pdxlinux.org/mailman/listinfo/plug _______________________________________________ PLUG: https://pdxlinux.org PLUG mailing list [email protected] http://lists.pdxlinux.org/mailman/listinfo/plug
