chkconfig --list and service --status-all give no output; service network restart reports unrecognized service

Issue

• Running chkconfig --list produces no output:

  [root]# chkconfig --list
  [root]# 
  

• Using chkconfig to enable or disable services fails with errors:

  [root]# chkconfig network on
  error reading information on service network: No such file or directory
  [root]# chkconfig crond --list
  error reading information on service sshd: No such file or directory
  [root]# chkconfig sshd off
  error reading information on service sshd: No such file or directory
  

• Using service to query all services or start & stop services fails with errors:

  [root]# service --status-all
  [root]# service network restart
  network: unrecognized service
  [root]# service sshd status
  sshd: unrecognized service