michael orlitzky

Contact

Personal
michael@orlitzky.com
School
mjo@umbc.edu
Gentoo
mjo@gentoo.org
IRC
mjo on freenode
Twitter
sike
GPG public key
binary / ASCII

About Me

FACT
mythical zero ilk
FACT
am rich like zloty
Curriculum
vitae

Papers

  1. Michael Orlitzky. Lyapunov rank of polyhedral positive operators. Linear and Multilinear Algebra. Preprint version.
  2. Michael Orlitzky. Positive operators, Z-operators, Lyapunov rank, and linear games on closed convex cones. PhD dissertation, UMBC, 2017.
  3. Michael Orlitzky. Positive and Z-operators on closed convex cones (preprint) .
  4. Michael Orlitzky. The Lyapunov rank of an improper cone. Optimization Methods and Software, 32(1):109–125, 2017. Preprint version.
  5. Michael Orlitzky and M. Seetharama Gowda. An improved bound for the Lyapunov rank of a proper cone. Optimization Letters, 10:11–17, 2016. Preprint version.
  6. Optimal Recovery of Differentiable Functions by Univariate Splines — Master's thesis

Presentations

  1. Lyapunov rank in conic optimization. Towson University, April 18, 2017.
  2. Positive operators, Z-operators, Lyapunov rank, and linear games on closed convex cones. University of Maryland Baltimore County, April 07, 2017.
  3. Solving linear games with cone programs. UMBC Optimization Seminar, December 08, 2016.
  4. Lyapunov rank of polyhedral positive operators. UMBC Optimization Seminar, September 29, 2016.
  5. The S-lemma. UMBC Optimization Seminar, November 15, 2015.
  6. The Lyapunov rank of an improper cone: Lie algebra (Part II). UMBC Optimization Seminar, September 17, 2015.
  7. The Lyapunov rank of an improper cone: Algorithms (Part I). UMBC Optimization Seminar, September 10, 2015.
  8. Topological Groups in Optimization. UMBC Optimization Seminar, February 03, 2015.
  9. Lyapunov Rank and Perfect Cones. UMBC Optimization Seminar, September 25, 2014.
  10. Introduction to Koecher Cones. UMBC Optimization Seminar, May 01, 2014.
  11. Ornstein-Uhlenbeck Processes. Mathematical Financial Derivatives, May 12, 2012.
  12. Optimal Recovery of Differentiable Functions by Univariate Splines. Towson University, May 09, 2012.
  13. Optimization Under Uncertainty and Risk. 14th Annual George Mason University Conference on Atmospheric Transport and Dispersion Modeling, July 15, 2010.

(get that RSS feed)

Articles

  1. End root chowning now (make pkg_postinst great again) — 2017-09-29
  2. End root chowning now (make /etc/init.d great again) — 2016-12-27
  3. Cisco (SenderBase) security products lose email — 2016-11-22
  4. Makeing LaTeX — 2016-11-18
  5. Motherfuckers need package management — 2015-07-05
  6. New Gandi certificates in Apache 2.4 — 2015-03-14 (updated 2016-05-05)
  7. Certificate chains in Apache 2.4 — 2015-01-09
  8. Overview of email spam and forgery countermeasures — 2014-06-05
  9. So you're blacklisted… — 2014-01-05
  10. Avoid the link “target” attribute — 2013-10-30
  11. Decoupling Rails and Passenger from Bundler — 2013-09-10
  12. Using Haddock markup in a Cabal file — 2013-07-27
  13. Against CA-signed certificates — 2013-03-23 (updated 2015-04-02)
  14. The derivative of a quadratic form — 2013-03-12
  15. In defense of self-signed certificates — 2013-02-16
  16. Fixing POSIX ACLs in common utilities — 2013-01-30 (updated 2016-10-01)
  17. Redundant Postfix main.cf parameters — 2013-01-02
  18. Problems with POSIX ACLs and common utilities — 2012-08-13
  19. Persistent ulimit for daemons in Gentoo — 2012-08-06
  20. Thinkpad X61s ath5k rfkill issues — 2012-06-02
  21. Fixing PDF graphics in LyX — 2012-05-11
  22. Upgrading PostgreSQL 9.x on Gentoo — 2012-02-13 (updated 2015-06-04)
  23. Avoiding RewriteBase with Apache mod_rewrite — 2012-02-08
  24. Backing up Microsoft SQL Server Express — 2011-07-24
  25. OpenSSL commands I would like to remember — 2010-11-28
  26. Fuck you — 2010-08-21 (updated 2016-04-24)
  27. Server 2008 print spooler dies with error 0x80010057 — 2010-05-28
  28. Fixing KVM (QEMU) keymaps — 2010-04-05
  29. Resizing a KVM or QEMU disk image — 2010-03-21
  30. New certificates in IIS without downtime — 2010-03-16
  31. Migrating from Windows DNS to tinydns — 2010-01-03

Older articles are in no particular order.

CVEs

CVE-2017-16834
pnp4nagios root privilege escalation via insecure permissions
CVE-2017-16659
mail-filter/assp root privilege escalation by user-owned daemon
CVE-2017-16638
net-misc/vde root privilege escalation via OpenRC service script
CVE-2017-15945
dev-db/mysql, dev-db/mariadb, dev-db/percona-server, dev-db/mysql-cluster, and dev-db/mariadb-galera root privilege escalation via chown in ebuild phase functions
CVE-2017-14730
app-admin/logstash-bin root privilege escalation via init script
CVE-2017-14681
P3Scan privilege escalation via PID file manipulation
CVE-2017-14609
Kannel privilege escalation via PID file manipulation
CVE-2017-14484
Gentoo sci-mathematics/gimps root privilege escalation via init script
CVE-2017-14483
Gentoo dev-python/flower privilege escalation via PID file manipulation
CVE-2017-14312
Nagios core root privilege escalation via insecure permissions
CVE-2017-14159
OpenLDAP privilege escalation via PID file manipulation
CVE-2017-14102
MIMEDefang privilege escalation via PID file manipulation
CVE-2017-13649
UnrealIRCd privilege escalation via PID file manipulation
CVE-2017-12847
Nagios core privilege escalation via PID file manipulation​
CVE-2017-11747
Tinyproxy privilege escalation via PID file manipulation​
CVE-2017-11746
Tenshi privilege escalation via PID file manipulation
CVE-2016-10089
Nagios core incomplete fix for CVE-2016-8641

Code

The code has its own page, you should go to that page.

What I Want