Charles J. Fisher
- B.S.E. in Electrical and Computer Engineering
- December 1994, The University
of Iowa, Iowa City, Iowa
- A.A. in Mathematics
- December 1990, Scott Community College, Bettendorf,
Tor Security for Android and Desktop Linux - April, 2017
smbclient Security for Windows Printing and File Transfer - March, 2017
ADUPS Android Malware Infects Barnes & Noble - December, 2016
Flat File Encryption with OpenSSL and GPG - October, 2016
Android Browser Security - What You Haven't Been Told - July, 2016
STunnel Security for Oracle - April, 2016
Secure File Transfer - January, 2016
Strengthening Diffie-Hellman in SSH and TLS - October, 2015
Cipher Security: How to harden TLS and SSH - October, 2015
Infinite Busybox with systemd - March, 2015
Hat Linux Administration Tools,
McGraw-Hill, © 2000, ISBN 0-07-134744-5, part of 0-07-134746-1, Chinese
translation ISBN 7-111-07949-3
Ace the Technical
Interview, 4th Edition,
McGraw-Hill, © 2000, ISBN 0-07-212622-1 (responsible for only
UNIX and Linux chapters)
Be a Linux-based ISP - Red Hat Linux, pppd, mgetty, and Windows 95
Unix Split Personality: How to Virtual Host
Linux, SQL, and the Web
Oracle Certified Professional (OCP) - Oracle 8i Track
1Z0-001 Introduction to Oracle: SQL and PL/SQL March 12, 2001 (39/41/57)
1Z0-023 Oracle 8i: Architecture and Administration May 29, 2001 (42/51/64)
1Z0-025 Oracle 8i: Backup and Recovery June 26, 2001 (42/50/60)
1Z0-024 Oracle 8i: Performance Tuning October 22, 2001 (38/42/57)
1Z0-026 Oracle 8i: Network Administration August 6, 2001 (41/42/59)
HP Certified IT Professional - HP-UX
3HO-002 HP-UX System Administration August 9, 2002 (56/72/80)
IBM Certified Specialist - DB2 UDB
000-512 DB2 UDB V7.1 Family Fundamentals May 31, 2002 (55/78/100)
- Alcoa, Inc. - Contract Employee
- HP-UX administration, including MC/ServiceGuard on 10.20, 11.0, and 11i.
Installation included SAN storage allocation on
DEC/Compaq/HP StorageWorks. Integrated UNIX applications with VAX VMS
and WinNT. Installed PHP development tools and developed
the communications protocol for the rollout of
Best Transport, which saved Alcoa over $100k in shipping
costs in a single quarter.
Wrote a workflow system for request tracking supporting hundreds of
users which dramatically simplified SOX reporting.
Lead Oracle database administrator for Siebel and Oracle
Applications ERP installations running on 7.3.4, 8.0.5, 18.104.22.168,
22.214.171.124 and 10.2.0.5.
Maintained spare parts reservoirs and supplier relationships for
unsupported server hardware. Fielded on-call service duties 24x7
as sole support resource for a subset of mission-critical IT systems at
the Davenport works facility.
(October, 2000 - Present)
- Lee Enterprises - Systems Analyst
- Assumed lead development and administration role for over 300 websites.
Responsibilities included Linux server configuration,
Sybase database administration, backups,
and maintenance. Developed the database layer for
Maintained and enhanced
Developed generic tools used by all of Lee's newsprint and broadcast
Conducted extensive user training and mentoring.
Acted as lead technical interviewer for the department.
Also assumed project management responsibilities.
(October, 1998 - October, 2000)
- TRI-COR Industries, Inc. - Systems Analyst
- Assumed DBA responsibilities for an implementation of IDI Software's BASIS
document management database running under HP-UX.
Responsible for HP-UX administration.
Also maintained a 32-line ISP with Linux, which included ppp,
telnet, ftp, SMB, and virtual host services.
(March, 1997 - October, 1998)
- APAC Teleservices, Inc. - Programmer Analyst
- Wrote scripts for SCO FOXBASE under SCO UNIX. Wrote Bourne shell
scripts and awk programs for automated FTP and general system
maintenance. Interviewed applicants and rated technical
exposure. (December, 1996 - February, 1997)
- Shamrock Computer Resources - Technical Consultant
- Wrote and maintained a DCE authentication system. Provided
support and HTML documentation for Intersolv PVCS
Version Manager. Compiled and administered the Trusted
Information Systems Firewall Toolkit. Wrote CGI
applications in C. Administered a DNS name server database.
(November, 1995 - November, 1996)
- St. Ambrose University - Computer Support Technician
- Provided technical support for UNIX, DOS, and Macintosh computers.
Maintained the campus Ethernet network, a SCO UNIX system, and
a laboratory of 30 DOS PCs. Trained faculty in PC internet applications.
Maintained the campus DNS and HTTP servers.
(March, 1995 - October, 1995)
- Have installed and administered web servers from Netscape,
Apache, CERN, and NCSA. Extensive experience with
implemented CGI servers with a variety of technologies,
including PHP/FI, Perl, PostgreSQL,
Oracle Pro*C and DCE.
Have written NSAPI modules for Netscape Enterprise Server.
- System Administrator
- Experience as system administrator/root user under a variety
shell script programming under sh, csh, ksh,
Exposure as a DBA with Oracle, and also Sybase and
PostgreSQL under Linux.
Familiar with the
administration of BIND (named) internet name servers.
installed, and maintained NIS and NFS services.
Have installed and maintained anonymous FTP services.
Experience with the
Trusted Information Systems Firewall Toolkit and general
networking under Linux and OpenBSD.
Have implemented security and access
control with the tcpd wrapper utility.
Have implemented dialup PPP servers with PAP authentication
(which included custom patches to kernel and daemon code).
Have administered X Windows client and server software.
UNIX equipment from Apple, Apollo, DEC, Encore, Intergraph,
Hewlett-Packard, IBM, SCO, SGI, Sun, and Texas Instruments.
Experience with procedural SQL under
Sybase Transact SQL and Oracle PL/SQL.
Familiar with the preparation and use of PHP, including
the Oracle and Sybase database modules, LDAP, and sockets.
Familiar with the POSIX development environment,
including IPC, signals, and filesystem access.
Have programmed the TCP/IP socket interface in C.
Have developed Motif applications under X11R5.