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,
Encrypting NFSv4 with Stunnel TLS - August, 2018
(work in progress)
"Special mention goes to Charles Fisher, author of 'Encrypting NFSv4
with Stunnel TLS' [LJNL].
His article inspired the mechanism
described in this document."
ZFS for Linux - February, 2018
Linux Filesystem Events with inotify - January, 2018
Rapid, Secure Patching: Tools and Methods - February, 2018
smbclient Security for Windows Printing and File Transfer - March, 2017
Flat File Encryption with OpenSSL and GPG - October, 2016
STunnel Security for Oracle - April, 2016
Secure File Transfer - January, 2016
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. (Arconic) - Contract Employee (October, 2000 - Present)
- Oracle Linux administration, versions 5 and 7.
HP-UX administration, including MC/ServiceGuard on 10.20, 11.0, and 11i.
Installation included SAN storage allocation on
Lead Oracle database administrator for Siebel and Oracle Applications
ERP installations running on most database versions from 7.3 to 12.2.
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.
Integrated UNIX applications with VAX VMS, Unisys OS2200,
OS/400, SAP, and Windows.
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.
- Lee Enterprises - Systems Analyst
- Assumed lead development and administration role for over 300 websites.
Responsibilities included Linux server configuration,
Sybase database administration, backups,
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)
- Lead database administrator for Oracle, Sybase, Postgres, and
Sqlite. Developed and maintained code in PL/SQL and Transact SQL.
Installed FreeTDS and configured it for Oracle dg4odbc, sqsh, and
php-sybase. Developed and implemented disaster recovery using Oracle
Data Guard and rsync. Implemented a web front end for dbms_sqltune to
allow developers access to query performance reports. Wrote many
data verification and cleansing scripts that manipulated hundreds of
thousands of files and introduced the department to Oracle external
tables for transparent SQL manipulation of flat file data.
Implemented stunnel encryption for a variety
of mission-critical applications, including the Oracle TNS listener.
- System Administrator
- Developed and maintained init, systemd, and HP ServiceGuard
application controls for high availability.
shell script programming under sh, ksh,
Wrote a workflow system in PHP supporting hundreds of
users which dramatically simplified SOX reporting.