[Samba] Time Synchronisation - SELinux Labeling and Policy

[Marco Gemignani]

hi, i want set selinux to usw with ntpd


but when i run (as described in wiki)

semanage -a -t ntpd_t "/usr/local/samba/var/lib/ntp_signd"


i have that error
"
usage: semanage [-h]

                 {import,export,login,user,port,ibpkey,ibendport,interface,module,node,fcontext,boolean,permissive,dontaudit}
                 ...
semanage: error: argument subcommand: invalid choice: 'ntpd_t' (choose from 'import', 'export', 'login', 'user', 'port', 'ibpkey', 'ibendport', 'interface', 'module', 'node', 'fcontext', 'boolean', 'permissive', 'dontaudit')
[root at dc ~]#

"

my sistem is a centos 7