Tec(h)tonic

Insights into building a solid I.T. foundation in the mid-size business world.

Category: How To

  • Migrating DHCP configuration to a MS Windows Server domain controller

    My current office environment relies on MS Windows Server 2008 R2 system as its primary domain controller (PDC), handling Active Directory-based user management and authentication, DNS and DHCP services. We have a secondary system as backup, which stays in-sync with the AD and DNS services; DHCP is, of course, not activated on the secondary so as…

  • Mac OS X: resolving keychain issues

    My current work environment consists of mostly Macs authenticating against a MS Active Directory server (see my earlier post all about Joining Mac systems to Active Directory). One of the disadvantages of this setup – one that has prevented me from rolling out an agency-wide password expiration policy – is the fact that, when a user…

  • All about two-factor authentication

    (Quite) a while back, I wrote about getting serious about password management – with that under control, I wanted to write about the next step in personal data security – two-factor authentication (2FA). What is 2FA? Two-factor authentication is a process whereby, whenever you sign in to a site or service, you are not only required…