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Some common linux services

DNS

$ nv set service dns mgmt server 10.16.43.247



cumulus@SN3420M-01:mgmt:~$ cat /etc/resolv.conf
domain hst.enablement.local
search hst.enablement.local
nameserver 10.16.43.247 # vrf mgmt
nameserver 10.16.43.246 # vrf mgmt

NTP

$ nv unset service ntp mgmt
$ nv set service ntp mgmt server pool.ntp.org
$ nv set system timezone US/Central

cumulus@SN3420M-01:mgmt:~$ nv show service ntp
      listen  Summary
----  ------  ---------------------
mgmt  eth0    server: 23.168.24.210

cumulus@SN3420M-01:mgmt:~$ nv show service ntp mgmt

          operational     applied
--------  --------------  ------------
[server]  *23.168.24.210
[server]                  pool.ntp.org
listen    eth0            eth0

SMTP

$ nv set system snmp-server listening-address 10.16.40.29 vrf mgmt
$ nv set system snmp-server readonly-community '$nvsec$929ec7be9e52e78079cbbcd042fb7497' access any
$ nv set system snmp-server state enabled



cumulus@SN3420M-01:mgmt:~$ nv show system snmp-server
                      applied
--------------------  ---------------------------------------
trap-link-up
  check-frequency     60
trap-link-down
  check-frequency     60
[listening-address]   10.16.40.29
[readonly-community]  $nvsec$929ec7be9e52e78079cbbcd042fb7497
state                 enabled