Older stuff, or not maintained anymore.
Cisco CLI intro txt file (txt file, older file from around 2005 or so...)
Simple overview of SQL Server 2012/2014 AlwaysOn implementations (html page)
Listing of SQL Server Trace Flags (txt file)
Simple overview of some HPUX Service Guard commands (html page)
Some notes on Crash Recovery AIX (Excel format)
Simple overview AIX HACMP and GPFS (Excel format)
An attempt to say something useful on Win2003/Win2008/Win2012 Cluster Repair and Commands. (html page)
Some simple notes on how to repair Bootstructures (html)
Some notes on boot/rootkits on Windows Systems (html)
Super short note on Hardening Windows Server Systems (html)
Super short note on Hardening user PC's (html)
Somewhat longer note on Inspecting Windows Systems (html) (not so terrific, but I leave it here..)
Some notes on SQL Injection (html)
Some notes on the JVM and Java Heap (html)
Simple note on SQL Server Performance - Physical stuff (html format)
Simple note on SQL Server Performance - Queries (html format)
Simple note on DBCC commands related to memory and caches (html format)
Simple Introduction on handling BLOBs in SQL Server (html)
Large listing of Unix commands and concepts, although the file is pretty old. (txt file)
Simple Introduction SQL Server Reporting Services (SSRS) 2008 (html)
Simple Introduction SQL Server Integration Services (SSIS) 2005/2008/2012 (html)
Simple Introduction SQL Server Analysis Services (SSAS) 2005/2008/2012 (html)
Some simple notes on Win2K3/Win2K8 clusters (html format)
Simple overview AIX HACMP and GPFS (v. 0.9 - Excel format)
Listing of some Oracle 10g/11g keypoints (for exam 1Z0-052, Excel format)
Listing of some SQL Server 2008 keypoints (for exam 070-432, Excel format
Listing of some SQL Server 2005 keypoints (for exam 070-431, Excel format)
Listing of some AIX 5 & 6 keypoints (for exam 000-223, Excel format)
Some notes on Storage and Sharepoint
Some notes about undocumented Oracle init.ora parameters (txt file)
Oracle 9i and 10g commands and queries info txt file (txt file)
How to view locks and transactions in Oracle 9i,10g,11g (Excel format)
How to investigate events and waits in Oracle 9i,10g,11g (Excel format)
How to setup CDC in Oracle 10g,11g
A few notes on backup and recovery Oracle with RMAN in 9i,10g (Excel format)
Some notes about Oracle 10g and 11g RAC (txt file)
PLSQL info txt file (txt file)
Reviving SQL accounts, after moving, or backup/restore, of a database on another machine
Export all tables of a database to flat files in one run
Overview SQL Server versions and builds (txt file)
Quick Introduction to SQL Server 2005 (excel format)
Quick Introduction to Data Imports/Exports SQL Server 2005/2008 (excel format)
A few queries showing sessions and blocked sessions (txt file)
A few queries showing backup history from the MSDB database (txt file)
A few queries showing index information (number of rows, fragmentation etc..) (txt file)
A few queries showing database file info (sizes,paths,%free/%full etc..) (txt file)
A few queries showing SQL Server waits (txt file)
A few examples how to alter and add objects (txt file)
A short note describing SQL Server backup and restore using TSQL (txt file)
A few notes on Service Principal Name (SPN) and related problems (txt file)
SQL Server 2000 DBA queries and TSQL (txt file)
Short simplified note on how to trace a program in unix (txt file)
Short simplified note on how to kill all processes of a user or application (txt file)
Some notes on undelete files in unix (txt file)
Short simplified note on how to use ssh or scp without being prompted for a password (txt file)
Short simplified note on how to manage the swapspace and paging behaviour (txt file)
Super Short introductionary note on vi (txt file)
Short simplified note on debugging environments in unix (txt file)
Short simplified note on how to use X in terminal or PC - Host connections (txt file)
Simplified Introduction Tuxedo middleware (excel format)
Simplified Overview of WebSphere (excel format)
Simplified overview Oracle Application Server technologies (excel format)
Simplified Intro MQ - Message Queueing (excel format)
Simplified Intro SOA - Service Oriented Architecture (excel format)
Simplified Intro Application Servers, middleware and mid tiers (excel format)
Short introductionary note on IPC, shared memory, semaphores (txt file)
Short explanation of RPC (txt file)
C# intro txt file (txt file)
VB intro txt file (txt file)
ASP intro txt file (txt file)
Simplified Introduction classical Perl (excel format)
A very quick intro on how to access Oracle from pHp (txt file)
Listing of some DOS/Windows cmd shell examples (txt file)
Listing of some MySQL commands. (txt file)
Very compact overview booting HPUX (excel format)
Very compact overview booting Solaris on Sparc (excel format)
Examples of some Windows commandline utilities (html)
Listing of some simple OpenVMS DCL command examples (txt file)
Very simplified overview Linux commands (excel format)
Simplified Overview of Unix virtualization (Excel format)
Simplified Introduction Siebel CRM (Excel format)
Very short introductionary note on some Operating System concepts (Excel format)
Some performance considerations in SQL server 2005/2008 (html)