DevOps & SysAdmins: CentOS 7 – firewalld[8509]: ERROR: COMMAND_FAILED danroo DevOps & SysAdmins: CentOS 7 – firewalld[8509]: ERROR: COMMAND_FAILED Helpful? Please support me on Patreon: … Concluzion: DevOps & SysAdmins: CentOS 7 – firewalld[8509]: ERROR: COMMAND_FAILED – [vid_tags] source