weird device names like devXXXXX with ifconfig on Fedora/RHEL

We had a machine that would keep coming up with devXXXXX where XXXXX is a seemingly random number. We tried ifrename to no avail, modprobe -r didn't help, modules.conf didn't help. It turned out that the HWADDR line in the ifcfg-ethX file was wrong. After fixing the line we were able to do ifup ethX and the devXXXXX went away.

About the Author...

Slides from LISA 2019 Linux systems troubleshooting #LISA2019 Tue Oct 29 05:59:30 +0000 2019 configuring grub2 with EFI Fri Sep 13 05:20:01 +0000 2019

I published a Thing on @thingiverse! #thingalert Tue Jul 23 19:27:57 +0000 2019

Nokogiri install on MacOSX Fri Jul 12 15:06:49 +0000 2019

HTML email with plain mailer plugin on Jenkins Thu Jul 11 21:07:25 +0000 2019