$ echo $DISPLAY :0.0 $ pxeos pxeos - Python pxeos commandline tool Usage: pxeos [-a|-m|-d|-l] [-h] [-i <description> ] [-p <protocol> ] [-D<1|0>] [-s <server>] [-L <location>] [-A <1|0>] [-u <user>] [-P <password>] name $ unset DISPLAY $ pxeos Unable to initialize graphical environment. Most likely cause of failure is that the tool was not run using a graphical environment. Please either start your graphical user interface or set your DISPLAY variable. Caught exception: could not open display Attached patch below fixes this problem.
Created attachment 104387 [details] rcnb-pxeos-non-gui.patch
Did basically the same thing yesterday. system-config-netboot-0.1.4-1 Has the fix.
Issue is resolved with 0.1.5-1.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2004-573.html