Monthly Archives: January 2017

On Exachk, ICMP Validations, and Updates via Proxy

Oracle Exadata’s Exachk script has a validation which prevents it from auto-updating if your system does not have direct ICMP access to updates.oracle.com. This is stupid, as most Exadata machines are not going to have that kind of exposure to the Internet at large. Yes, they will be firewalled, and so, no, ping will not work. The fix is to find the line containing #Validation1: URL host reachable or not and comment out or remove …

Continue reading →

Sharon Van Etten – “Every Time the Sun Comes Up” (Live at St. Pancras Old Church, London)

Continue reading →

On Successful Deployment of Access Management Solutions

I have seen many access control/identity/privilege management projects fail miserably because of an unstructured approach to implementation by Corporate Governance. A tool is bought and implementation attempted with no engagement with or buy-in from the technical people who will have to surmount the inconveniences of the tool when it misbehaves at 3AM on a Sunday morning. The correct approach is to engage those who know the systems best – System Administrators, DBAs and application teams. …

Continue reading →