Bind DNS update procedure in linux
I have dns server with bind version mentioned below:
[root@as1 ~]# rpm -qa |grep bind
And i want to update it due to some bugs has been reported in the PCI compliance scanning report in this version of bind.
SO can you please let me know the what is the impact of updating the bind and steps to update it..
Secondly can i do this online or i need to bring the dns services down.
Thanks !!!!!! in advance