Description of problem:
Failed to set hostname by setup UI
Version-Release number of selected component (if applicable):
latest
How reproducible:
100%
Steps to Reproduce:
1.switch to network page of ovirt-node setup
2.modify hostname
3.press save button
Actual results:
failed
Expected results:
success
Additional info:
in ovirt-node.debug.log
"No such file and directory" error is found
Maybe Popen's use is not right. We need to add "shell=True".