KNOW-HOW
Since January 2000 I have been operating my own Internet server in 24/7 operation with self-assembled hardware.
- 19" server rack technology, hardware raid 5, multiprocessor systems
- Security aspects through the defense against numerous hacker attacks
- Anti-Spam Relay defense techniques
- complete remote administration through operation in external data centers
- Multi-level backup concepts
- Suse Linux from V5.2 (I have been using Unix since 1989), Debian (V4 "Edge" up to V9 "Stretch")
TOP 30 of my expertise by duration
1 Fernadministration (25 years)
2 Tomcat (25 years)
3 Security (25 years)
4 Java Servlets (25 years)
5 Apache Web-Server (25 years)
6 Web-Applikation (25 years)
7 JavaServer Pages JSP (25 years)
8 Java (25 years)
9 Linux (25 years)
10 Postgres (24 years)
11 Content Management CMS (24 years)
12 XML (24 years)
13 Java Swing (24 years)
14 JDBC (24 years)
15 Desktop-Applikation (24 years)
2 Tomcat (25 years)
3 Security (25 years)
4 Java Servlets (25 years)
5 Apache Web-Server (25 years)
6 Web-Applikation (25 years)
7 JavaServer Pages JSP (25 years)
8 Java (25 years)
9 Linux (25 years)
10 Postgres (24 years)
11 Content Management CMS (24 years)
12 XML (24 years)
13 Java Swing (24 years)
14 JDBC (24 years)
15 Desktop-Applikation (24 years)
16 Threadpooling (19 years)
17 Http-Protokolle (19 years)
18 Java NIO (19 years)
19 ServerSockets (19 years)
20 DTP (18 years)
21 Druckvorstufe (18 years)
22 Bildverarbeitungstechniken (18 years)
23 PDF-Templating (18 years)
24 Web-Templating (18 years)
25 Web-Service (18 years)
26 web2obj (18 years)
27 Document-Processing (18 years)
28 PDF (18 years)
29 VIPP (18 years)
30 iText (18 years)
17 Http-Protokolle (19 years)
18 Java NIO (19 years)
19 ServerSockets (19 years)
20 DTP (18 years)
21 Druckvorstufe (18 years)
22 Bildverarbeitungstechniken (18 years)
23 PDF-Templating (18 years)
24 Web-Templating (18 years)
25 Web-Service (18 years)
26 web2obj (18 years)
27 Document-Processing (18 years)
28 PDF (18 years)
29 VIPP (18 years)
30 iText (18 years)
Programming/description languages
In the course of my many years of IT practice, I learned the following programming/description languages.
- Assembler: 6502 Assembler, 8085 Assembler, ARM-610 Risc-Assembler, ARM-710 Risc-Assembler, Assembler 68000, H300-Assembler, PIC-16 Assembler, PIC-1742 Assembler
- Basic: Amiga Basic (structured), Commodore Basic, Real Basic (structured), Visual Basic
- C: Amiga C, Ansi C, C++, Gnu C/C++, Visual C/C++, Watcom C/C++, XC8
- Databases: BTrieve database, Database modeling, JDBC, MS-Sql, MS-Transaction Server, MySql, Oracle DB, Postgres, SQL
- Document Processing: Apache FOP, Image processing techniques, Document-Processing, Prepress, IPS/Openmarket, iText, Open Market Content Management, PDF, PDF-Templating, PS, VIPP, XML, XML-FO
- Electronics: ABEL-Logikbeschreibung, Analog Technology, Design of complex control systems, Design of ISA cards, Design von PCI-Karten, FreeRTOS, Radio communication, Gatter, Hitachi-Microcontroller, Lattice FPGA, Microprozessoren, Circuit design
- Internet: Apache Web-Server, ASP, CSS, Deeplearning, GWT, Html, Http protocols, IPS/Openmarket, JBoss, Netware network programming, Networks/Mail/Internet, Open Market Content Management, PHP, ServerSockets, Sessiontracking, Sockets, Threadpooling, Tomcat, web2obj, Weblogic, Web-Objects, Web service, Web-Templating
- Java: Espresso, J2EE, Jackson2, Java, JavaCC, Java Hibernate, Java NIO, JavaScript JS, JavaServer Faces JSF, JavaServer Pages JSP, Java Servlets, Java Spring, Java Swing, JBoss, JDBC, JEE, JSON, Junit, ReactiveX/RxJava
- Pascal: Pascal, Topspeed Modula, Turbo Pascal
- Project management: CI/CD, Confluence, GIT, Gradle, Jenkins, Jira, Maven, Scrum, SVN
- Shell: Bash, Perl