Configure Postfix to Relay Mail to an External SMTP Server on CentOS 7

Posted on 09/04/2018 by Lisenet

The benefit of having two Postfix servers relaying email to an external SMTP server is redundancy. Continue reading →

Configure Peered NTP Servers on CentOS 7

Posted on 08/04/2018 by Lisenet

Configure NTP peering on CentOS 7. Continue reading →

Configure DHCP Failover with Dynamic DNS on CentOS 7

Posted on 07/04/2018 by Lisenet

We are going to set up a DHCP failover with dynamic DNS. Continue reading →

Configure Bind DNS Servers with Failover and Dynamic Updates on CentOS 7

Posted on 06/04/2018 by Lisenet

We are going to set up a DNS failover using Master/Slave configuration and configure dynamic updates. Continue reading →