Re: Completely replacing F31 Ethernet package(s)? [RESOLVED]

["Robert G (Doc) Savage via users" <users@xxxxxxxxxxxxxxxxxxxxxxx>]

On Sat, 2020-01-04 at 22:16 -0800, Samuel Sieb wrote:

On 1/1/20 7:20 PM, Robert G (Doc) Savage via users wrote:

It would seem that "something" happened to the file(s) that provide

RJ45 Ethernet connectivity maybe as far back as F29. I can get a WiFi

connection, but not an RJ45 eth0 DHCP connection. This happens in my

home and at a nearby computer store, so it's not my DHCP server.

When booted up to WiFi, connecting an RJ45 Ethernet cable shuts down

the existing WiFi port (normal), but never comes up with a DHCP address

for the eth0 port. The network icon just loops forever. When I

disconnect the RJ45 cable, WiFi connectivity resumes after 5-10

seconds.

I just realized we are missing what is probably the most important 

information, the logs!  In a terminal as root, run "journalctl -fa" and 

then plug in the ethernet cable.  Copy the output, removing private 

information if there is any.

THIS IS MY THIRD ATTEMPT TO REPLY WITH A LOG FILE ATTACHED. THE MODERATOR EITHER DIDN'T REVIEW IT OR FELT THE SIZE OF THE MESSAGE WITH ITS LOG FILE WAS NOT WORTH SHARING WITH THE LIST.

Sam,

You've found the magic key. The output is attached. If you open it with vim and scroll down to line 167, you'll see an SELINUX audit error and its recommended solution:

Jan 05 00:54:09 tiger.protogeek.org python3[905199]: SELinux is preventing 11-dhclient from getattr access on the file /usr/bin/hostname.

*****  Plugin catchall (100. confidence) suggests   **************************

If you believe that 11-dhclient should be allowed getattr access on the hostname file by default.

Then you should report this as a bug.

You can generate a local policy module to allow this access.

Do

allow this access for now by executing:

# ausearch -c '11-dhclient' --raw | audit2allow -M my-11dhclient

# semodule -X 300 -i my-11dhclient.pp21

Executing these two commands appears to have fixed the problem.

--Doc Savage

Fairview Heights, IL

P.S. The performance boost is dramatic. The distance between my U-verse WiFi and the laptop in the master bedroom is about 65 feet through quite a bit of drywall. It works, but downloads of any size are slow. With the RJ45 connection I have high quality in-wall Cat5E cabling that allows full speed GigE.

I definitely owe you several beers on this one. :-)

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