Unix Single Sign On using realmd and Microsoft Active Directory (2019). Unix Single Sign On using Samba Winbind and Microsoft Active Directory (2013). Setting up a local RPM repository for change management control. Running multiple instances of the Pound load balancer on one host. Integrating PowerDNS with NicTool Server. Building an enterprise wide rsyslog system. Simple shellshocked workaround for old bash systems. My customised Cygwin and gvim environment. Timezone clock. Web page slide show. Rsyncing to AWS EFS. Apache SSIs over AWS EFS. AWS v4 signed API call in Bash.