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1. Simple IT Documents:

Section 1.0 Some basic Linux commands:

Some basic and common Linux commands (somewhat larger txt file)


Section 1.1 Very *quick* reference on simple Unix/Linux commands (documents):

Common Unix/Linux "listing only" commands to retrieve system info (html format)


Section 1.2 Very *quick* reference HPUX Service Guard commands and notes:

Simple overview of some HPUX Service Guard commands (html page)


Section 1.3 Some docs on Unix BOOT Sequence:

Overview Unix Bootsequence HPUX, LINUX, AIX (html format)


Section 1.4 Some AIX docs (some are pretty dated, but I am amazed how much still is valid today):

Some notes on AIX 5.3 / 6.1 + virtualization (Excel format)
Some notes on Crash Recovery AIX (Excel format)
Simple overview AIX HACMP and GPFS (Excel format)


Section 1.5 Some often used Oracle sql/plsql, and SQL Server TSQL code and scripts:

Listing of some common SQL Server TSQL code and statements (html)
Listing of some common Oracle SQL and PLSQL code and statements (html)


Section 1.6 Some basics on Windows Architectures in poster format (Jip en Janneke figures):

Very basic intro Windows architectures, in poster form (html format)


Section 1.7 Some basics on IPC mechanisms and protocols:

Intro standard IPC mechanisms.


Section 1.8 Simple notes on SQL Server 2008/2012/2014:

Some pointers to keep SQL Server Up and Running (html)
Listing of some common SQL Server TSQL code and statements (html)
Simple overview of SQL Server 2012/2014 AlwaysOn implementations (html page)
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)


Section 1.9 Windows Cluster commands, and How to Repair cluster errors:

An attempt to say something useful on Win2003/Win2008/Win2012 Cluster Repair and Commands. (html page)


Section 1.10 Some notes on Virtualization::

An attempt to present an overview on Virtualization (html page)


Section 1.11 Very *quick* reference basic Windows commands (powershell & cmd) to get system info:

Some basic commands to get system/process/task info (txt file)


Section 1.12 Some simple notes on Security:

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)


Section 1.13 Some simple docs on Java subjects:

Some notes on the JVM and Java Heap (html)


Section 1.14 Short intro's scripting:

Short introduction in Powershell. (html format)
Short introduction in Unix/Linux Shell scripting. (html format)


Section 1.15 Some Oracle RDBMS posters:

⇒ Oracle 10g/11g miniposters with respect to systemviews:

Overview of dictionary Oracle10g/11g with respect to Locks and Sessions. (Excel format)
Overview of dictionary Oracle10g/11g with respect to Performance not using ADDM (1) (Excel format)
Overview of dictionary Oracle10g/11g with respect to Objects (tables, indexes etc..) (Excel format)
Overview of dictionary Oracle10g/11g with respect to Accounts. (Excel format)
⇒ All of the above in a html webpage.

⇒ Other Oracle 10g/11g miniposters:

Simplified Overview of Oracle 10g RAC Architecture (Excel format)
Overview "Traditional" data imports/export to/from Oracle, not using BI tools (Excel format)
Overview "Traditional" data imports/export to/from Oracle, not using BI tools (in html)


Section 1.16 SQL Server 2005/2008 posters:

⇒ SQL Server 2005/2008 miniposters with respect to systemviews:

Overview of dictionary SQLServer 2005/2008 with respect to Locks and Sessions. (Excel format)
Overview of dictionary SQLServer 2005/2008 with respect to Accounts. (Excel format)
Overview of dictionary SQLServer 2005/2008 with respect to Objects. (Excel format)
Overview of dictionary SQLServer 2005/2008 with respect to Backups and Jobs. (Excel format)
⇒ All of the above in a html webpage.

⇒ Traditional data imports/exports 2005/2008/2012 miniposter:

Overview of "Traditional" Imports/Exports SQLServer 2005/2008/2012 (Excel format)
Overview of "Traditional" Imports/Exports SQLServer 2005/2008/2012 (in html)


Section 1.17 Some simple notes on SANs, Disk Device naming, and access paths:

A few notes on Diskdevices and "paths" in some common Operating Systems (html format)
A very small note on Netapp (html format)


Section 1.18 Some basic Unix command documents and posters:

Large listing of Unix commands and concepts, although the file is pretty old. (txt file)
Basic Unix commands with respect to cpu/memory/netcard/printing. (Excel format)
Basic Unix commands with respect to cpu/memory/netcard/printing. (html format)


Section 1.19 Some basic Network related posters:

Simple overview of some Network Protocols (html page)


Section 1.20 Simple Introductions on SQL Server Business Intelligence (BI) Tools 2005/2008/2012:

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)


Section 1.21 Some Notes on keeping Oracle and SQL Server up and running.

Some notes on handling Oracle 10g/11g (html)
Some notes on handling SQL server 2005/2008/2012 (html)


Section 1.22 Some simple docs on Windows Architectures:

Simple Overview of Active Directory Architecture (Excel format)
Simple Overview of the General Win2K3 / Win2K8 64 bits Architecture (Excel format)
Simple Overview of the General Win2K Architecture (Excel format)
Simple Overview of the bootsequence Win2K3 / XP (Excel format)
Simple Overview of Performance Monitoring Win2K8 and Win2K3 (Excel format)
Simple Overview of Windows Printing Architecture (Excel format)
Some info on how to use Groups in AD networks (Excel format)


Section 1.23 Some simple docs on High Availability:

Some simple notes on Win2K3/Win2K8 clusters (html format)
Simple overview AIX HACMP and GPFS (v. 0.9 - Excel format)


Section 1.24 Exam Preparation support files (Excel files) (old stuff):

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)
Listing of some Windows Server and Active Directory keypoints (for exam 070-290, Excel format)


Section 1.25 Some simple docs on Sharepoint Architecture:

Some notes on Storage and Sharepoint


Section 1.26 Some (pretty old) simple docs on some Oracle subjects:

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)


Section 1.27 Some (old) simple docs on some SQL Server subjects:

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)
Listing of SQL Server Trace Flags (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)


Section 1.28 Some other UNIX documents:

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)


Section 1.29 Some simple docs on Application Server/Middleware:

Simple note on SOA (html)
Simple Introduction Tuxedo middleware (excel format)
Simple Overview of WebSphere (excel format)
Simple overview Oracle Application Server technologies (excel format)
Simple Intro MQ - Message Queueing (excel format)
Simple Intro Application Servers, middleware and mid tiers (excel format)


Section 1.30 Some simple docs on Networking:

Quick introduction IPv6 (Excel format)
Simplified factsheet TCPIP v4 (Excel format)
Mini poster on protocols (Excel format)
Mini poster on Frame types (Excel format)
Listing of some Network facts & structures (Excel format)
Cisco CLI intro txt file (txt file, older file)


Section 1.31 Some simple docs on IPC mechanisms:

Intro standard IPC mechanisms.
Short introductionary note on IPC, shared memory, semaphores (txt file)
Short explanation of RPC (txt file)


Section 1.32 Some simple docs on older Programming/Scripting related subjects:

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)


Section 1.33 Some simple notes on MySQL:

Listing of some MySQL commands. (txt file)


Section 1.34 These files are VERY outdated (But I don't like it to throw it away):

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)
Basic commands to get system / process info (Excel format)
Basic commands to get system / process info (html format)
Simplified Intro Unix shell scripting (Excel format)
MS KB numbers / MS Bulletins and fixes (txt file)
A collection of a few Oracle ORA- messages and possible solutions (txt file)
A collection of a few MQ reason codes - error codes (txt file)
A collection of a few Unix error codes and messages (txt file)
A collection of a few Java related errors (txt file)


2. Docs that might be Fun or Interesting...:



3. "Learning stuff": a series of notes on Math and Physics (R: ready, D: in development):

Section 1: Mathematics:

  • Math Note 1: Basic arithmetic (R)
  • Math Note 2: Linear equations (R)
  • Math Note 3: Quadratic functions (R)
  • Math Note 4: Sine/Cosine functions (R)
  • Math Note 5: How to differentiate and obtain the derivative function (R)
  • Math Note 6: Function analysis (R)
  • Math Note 7: The exp and ln functions (R)
  • Math Note 8: Integrals (R)
  • Math Note 9: Complex numbers (R)
  • (Optional reading) Math Note 10: Differential equations Part 1 (R)
  • Math Note 11: Functions with more variables (R)
  • Math Note 12: Vector calculus and Linear Algebra Part 1 (R)
  • Math Note 13: Fourier and Taylor series (R)
  • Math Note 14: Surface and Volume Integrals (R)
  • Math Note 15: Statistics (R)
  • Math Note 16: Vector calculus and Linear Algebra Part 2 (R)
  • Math Note 17: The Grad and Div operators (R)
    •

    Section 2: Physics:

  • Phys Note 1: Some highlights of Classical Mechanics (R)
  • Phys Note 2: Some highlights of Relativistic Mechanics (R)
  • Phys Note 2: Some highlights of Quantum Computing (R)
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    Last update: 26 November, 2016