On 04/12/2018 03:37 PM, Paul R. Ganci wrote: > I just did a fresh minimal install of centos 7 on new hardware. While > playing around with window systems I removed X windows like so: > >>yum remove "X Window system" > > and then tried to re install > >>yum group install "X Window system" > > which gives this error: > > Maybe run: yum groups mark install (see man yum) > No packages in any requested group available to install or upgrade > > I tried running: > >>yum groups mark install "X Window system" > > and get the same message. I tried different permutations removing the > "s" on groups. Nothing seems to bring back the yum "X Window system" > group. Can anyone help me resolve this issue and tell me what I did wrong? > > Thanks for your help. > yum grouplist does not show "X Window system" for me, on CentOS 7. yum remove "non existent stuff" gives me Warning: group non existent stuff does not exist. Maybe run: yum groups mark install (see man yum) Error: No packages in any requested group available to install or update That seems consistent with what you get. HTH, Kay