Categories in Simplicity is a form of art...

Diagrams are no communication channel
by Sven Vermeulen, post on Thu 05 September 2024
Sustainability in IT
by Sven Vermeulen, post on Sun 25 September 2022
Getting lost in the frameworks
by Sven Vermeulen, post on Fri 26 August 2022
Containers are the new IaaS
by Sven Vermeulen, post on Sat 21 May 2022
Defining what an IT asset is
by Sven Vermeulen, post on Sun 13 February 2022
An IT conceptual data model
by Sven Vermeulen, post on Mon 17 January 2022
The pleasures of having DTAP
by Sven Vermeulen, post on Thu 30 December 2021
Hybrid cloud can be very complex
by Sven Vermeulen, post on Mon 08 November 2021
Evaluating the zero trust hype
by Sven Vermeulen, post on Tue 05 October 2021
Scale is a cloud threat
by Sven Vermeulen, post on Tue 28 September 2021
Naming conventions
by Sven Vermeulen, post on Wed 15 September 2021
Location view of infrastructure
by Sven Vermeulen, post on Tue 07 September 2021
Process view of infrastructure
by Sven Vermeulen, post on Wed 01 September 2021
Component view of infrastructure
by Sven Vermeulen, post on Fri 27 August 2021
What is the infrastructure domain?
by Sven Vermeulen, post on Mon 19 July 2021
Organizing service documentation
by Sven Vermeulen, post on Thu 08 July 2021
An IT services overview
by Sven Vermeulen, post on Mon 14 June 2021
Virtualization vs abstraction
by Sven Vermeulen, post on Thu 03 June 2021
Abstracting infrastructure complexity
by Sven Vermeulen, post on Fri 25 December 2020
Working on infra strategy
by Sven Vermeulen, post on Sun 04 October 2020
Project prioritization
by Sven Vermeulen, post on Tue 18 July 2017
Switching focus at work
by Sven Vermeulen, post on Sun 20 September 2015

SAI and N-O-SQL
by Sven Vermeulen, post on Thu 22 April 2010
Switching to database architecture
by Sven Vermeulen, post on Fri 11 December 2009

Gentoo Wiki is growing
by Sven Vermeulen, post on Sat 03 January 2015
Handbooks moved
by Sven Vermeulen, post on Sun 14 December 2014
Moving Gentoo docs to the wiki
by Sven Vermeulen, post on Sun 28 July 2013
My application base: draw.io
by Sven Vermeulen, post on Mon 03 June 2013
A simple IPv6 setup
by Sven Vermeulen, post on Mon 20 May 2013
Simple drawing for I/O positioning
by Sven Vermeulen, post on Thu 18 April 2013
Integrity checking with AIDE
by Sven Vermeulen, post on Thu 11 April 2013
Linux Sea and ePub update
by Sven Vermeulen, post on Tue 02 April 2013
git patch apply
by Sven Vermeulen, post on Thu 27 September 2012
Linux Sea now in ePub
by Sven Vermeulen, post on Fri 20 April 2012
File System Labels in Linux Sea
by Sven Vermeulen, post on Sat 12 February 2011
Linux Sea last content chapter
by Sven Vermeulen, post on Sat 04 September 2010
Added "iw" support to Linux Sea
by Sven Vermeulen, post on Thu 26 August 2010
Question yourself v3
by Sven Vermeulen, post on Wed 19 May 2010
Question yourself v2
by Sven Vermeulen, post on Tue 11 May 2010
Question yourself
by Sven Vermeulen, post on Sun 02 May 2010
A dozen pages added
by Sven Vermeulen, post on Thu 22 April 2010
Translations to "Linux Sea"
by Sven Vermeulen, post on Wed 02 December 2009
Small updates on Linux Sea
by Sven Vermeulen, post on Mon 19 October 2009

cvechecker 3.9 released
by Sven Vermeulen, post on Sun 09 September 2018
cvechecker 3.8 released
by Sven Vermeulen, post on Mon 27 March 2017
cvechecker 3.7 released
by Sven Vermeulen, post on Thu 02 March 2017
GnuPG: private key suddenly missing?
by Sven Vermeulen, post on Wed 12 October 2016
Mounting QEMU images
by Sven Vermeulen, post on Mon 26 September 2016
Template was specified incorrectly
by Sven Vermeulen, post on Sun 27 March 2016
Trying out imapsync
by Sven Vermeulen, post on Sun 13 March 2016
New cvechecker release
by Sven Vermeulen, post on Sat 07 November 2015
Using multiple OpenSSH daemons
by Sven Vermeulen, post on Sun 06 September 2015
Switching OpenSSH to ed25519 keys
by Sven Vermeulen, post on Wed 19 August 2015
Updates on my Pelican adventure
by Sven Vermeulen, post on Sun 16 August 2015
My application base: Obnam
by Sven Vermeulen, post on Wed 05 August 2015
Switching to Pelican
by Sven Vermeulen, post on Sun 02 August 2015
D-Bus, quick recap
by Sven Vermeulen, post on Sun 29 June 2014
What is that net-pf-## thingie?
by Sven Vermeulen, post on Tue 01 April 2014
Creating a poor man central SCAP system
by Sven Vermeulen, post on Tue 24 September 2013
My application base: graphviz
by Sven Vermeulen, post on Sun 09 June 2013
My application base: LibreOffice
by Sven Vermeulen, post on Sat 08 June 2013
My application base: firefox
by Sven Vermeulen, post on Fri 07 June 2013
My application base: geekie
by Sven Vermeulen, post on Wed 05 June 2013
My application base: freemind
by Sven Vermeulen, post on Tue 04 June 2013
Public support channels: irc
by Sven Vermeulen, post on Thu 16 May 2013
The Linux ".d" approach
by Sven Vermeulen, post on Wed 08 May 2013
Qemu-KVM monitor tips and tricks
by Sven Vermeulen, post on Tue 30 April 2013
photorec to the rescue
by Sven Vermeulen, post on Mon 29 April 2013
Why would paid-for support be better?
by Sven Vermeulen, post on Mon 31 December 2012
nginx as reverse SMTP proxy
by Sven Vermeulen, post on Thu 06 December 2012
devops - how hard can it/it can be
by Sven Vermeulen, post on Sat 04 September 2010
qemu monitor cd change
by Sven Vermeulen, post on Mon 30 August 2010
HP webcam on Linux
by Sven Vermeulen, post on Fri 13 August 2010
New laptop, time to play
by Sven Vermeulen, post on Fri 13 August 2010
Executing, but only when you're home
by Sven Vermeulen, post on Mon 18 January 2010
Online image gallery
by Sven Vermeulen, post on Mon 05 October 2009
hex2passwd, a password generator
by Sven Vermeulen, post on Thu 25 September 2008
Playing with gqview
by Sven Vermeulen, post on Mon 18 August 2008

Switch to Gentoo sources
by Sven Vermeulen, post on Tue 22 August 2017
Custom CIL SELinux policies in Gentoo
by Sven Vermeulen, post on Thu 10 September 2015
Maintaining packages and backporting
by Sven Vermeulen, post on Wed 02 September 2015
Finding a good compression utility
by Sven Vermeulen, post on Thu 13 August 2015
Live SELinux userspace ebuilds
by Sven Vermeulen, post on Wed 10 June 2015
Moving closer to 2.4 stabilization
by Sven Vermeulen, post on Mon 27 April 2015
Trying out Pelican, part one
by Sven Vermeulen, post on Fri 06 March 2015
Have dhcpcd wait before backgrounding
by Sven Vermeulen, post on Sun 08 February 2015
Old Gentoo system? Not a problem...
by Sven Vermeulen, post on Wed 21 January 2015
Gentoo Handbooks almost moved to wiki
by Sven Vermeulen, post on Fri 12 December 2014
Showing return code in PS1
by Sven Vermeulen, post on Sun 31 August 2014
Gentoo Hardened august meeting
by Sven Vermeulen, post on Fri 29 August 2014
Switching to new laptop
by Sven Vermeulen, post on Tue 19 August 2014
Some changes under the hood
by Sven Vermeulen, post on Sat 09 August 2014
Gentoo Hardened July meeting
by Sven Vermeulen, post on Fri 01 August 2014
Multilib in Gentoo
by Sven Vermeulen, post on Wed 02 July 2014
Gentoo Hardened, June 2014
by Sven Vermeulen, post on Sun 15 June 2014
Dropping sesandbox support
by Sven Vermeulen, post on Fri 09 May 2014
Online hardened meeting of March
by Sven Vermeulen, post on Thu 27 March 2014
Fixing the busybox build failure
by Sven Vermeulen, post on Wed 26 March 2014
Hidden symbols and dynamic linking
by Sven Vermeulen, post on Mon 24 March 2014
Closing week? No, starting week...
by Sven Vermeulen, post on Sun 16 March 2014
Upgrading old Gentoo installations
by Sven Vermeulen, post on Sun 29 December 2013
December hardened meeting
by Sven Vermeulen, post on Fri 20 December 2013
GPT or MBR in the Gentoo Handbook
by Sven Vermeulen, post on Wed 18 December 2013
Gentoo SELinux policy release script
by Sven Vermeulen, post on Wed 11 December 2013
November online hardened meeting
by Sven Vermeulen, post on Wed 11 December 2013
New SELinux userspace release
by Sven Vermeulen, post on Tue 05 November 2013
Gentoo Hardened meeting 201310
by Sven Vermeulen, post on Thu 24 October 2013
A bug please...
by Sven Vermeulen, post on Mon 30 September 2013
Gentoo Hardened progress report
by Sven Vermeulen, post on Thu 29 August 2013
And now, 31 days later...
by Sven Vermeulen, post on Thu 01 August 2013
Adding mcstrans to Gentoo
by Sven Vermeulen, post on Sun 07 July 2013
Gentoo Hardened spring notes
by Sven Vermeulen, post on Thu 16 May 2013
Gentoo metadata support for CPE
by Sven Vermeulen, post on Fri 10 May 2013
New SELinux userspace release
by Sven Vermeulen, post on Fri 26 April 2013
Gentoo protip: using buildpkgonly
by Sven Vermeulen, post on Thu 25 April 2013
SLOT'ing the old swig-1
by Sven Vermeulen, post on Tue 23 April 2013
Transforming GuideXML to DocBook
by Sven Vermeulen, post on Sat 20 April 2013
Matching packages with CVEs
by Sven Vermeulen, post on Thu 04 April 2013
Fiddling with puppet apply
by Sven Vermeulen, post on Wed 20 March 2013
Uploading selinuxnode test VM
by Sven Vermeulen, post on Mon 25 February 2013
Working on a new selinuxnode VM
by Sven Vermeulen, post on Sat 23 February 2013
Transforming GuideXML to wiki
by Sven Vermeulen, post on Tue 12 February 2013
IMA and EVM on Gentoo, part 2
by Sven Vermeulen, post on Sat 29 December 2012
Gentoo Hardened IMA support
by Sven Vermeulen, post on Thu 27 December 2012
Switching policy types in Gentoo/SELinux
by Sven Vermeulen, post on Thu 20 December 2012
Another hardened month has passed...
by Sven Vermeulen, post on Thu 13 December 2012
Gentoo Hardened progress meeting
by Sven Vermeulen, post on Sun 14 October 2012
Gentoo Hardened in August
by Sven Vermeulen, post on Sat 25 August 2012
Gentoo Hardened on the move
by Sven Vermeulen, post on Thu 26 July 2012
Gentoo Hardened/SELinux VM image
by Sven Vermeulen, post on Tue 10 July 2012
Had to edit /etc/init.d/root
by Sven Vermeulen, post on Sun 24 June 2012
Overview of SELinux changes
by Sven Vermeulen, post on Sun 24 June 2012
Keeping /selinux
by Sven Vermeulen, post on Fri 04 May 2012
20120215 policies now stable
by Sven Vermeulen, post on Sun 29 April 2012
Chrooted BIND for IPv6 with SELinux
by Sven Vermeulen, post on Sat 14 April 2012
Get your devtmpfs ready
by Sven Vermeulen, post on Sat 07 April 2012
More on initramfs and SELinux
by Sven Vermeulen, post on Sun 25 March 2012
Hunting fuser
by Sven Vermeulen, post on Mon 12 March 2012
Introducing 2.20120215 policies
by Sven Vermeulen, post on Sun 26 February 2012
Gentoo WiKi & Knowledge Base
by Sven Vermeulen, post on Mon 26 December 2011
SELinux Gentoo/Hardened state 2011-12-19
by Sven Vermeulen, post on Mon 19 December 2011
Supporting CC-BY-SA 3.0
by Sven Vermeulen, post on Tue 29 November 2011
SELinux Gentoo/Hardened state 2011-11-17
by Sven Vermeulen, post on Thu 17 November 2011
SELinux' 2011/07 releases now stable
by Sven Vermeulen, post on Sun 23 October 2011
Upgrading GCC, revisited
by Sven Vermeulen, post on Thu 13 October 2011
Quickly setup a Gentoo system
by Sven Vermeulen, post on Sat 24 September 2011
Power management guide updated
by Sven Vermeulen, post on Fri 23 September 2011
Catching up
by Sven Vermeulen, post on Sun 18 September 2011
Now using refpolicy 2.20110726
by Sven Vermeulen, post on Sun 04 September 2011
Use parted for large partitions
by Sven Vermeulen, post on Wed 24 August 2011
Ready, set, commit!
by Sven Vermeulen, post on Fri 12 August 2011
On the new SELinux profiles
by Sven Vermeulen, post on Thu 14 July 2011
Gentoo Hardened SELinux state
by Sven Vermeulen, post on Sat 09 July 2011
What's next after stabilization?
by Sven Vermeulen, post on Mon 13 June 2011
SELinux Gentoo profile updates
by Sven Vermeulen, post on Tue 03 May 2011
Why I have backups
by Sven Vermeulen, post on Thu 30 December 2010
Switching to hardened
by Sven Vermeulen, post on Sun 12 September 2010
License support in Gentoo
by Sven Vermeulen, post on Tue 16 February 2010
Added quota information
by Sven Vermeulen, post on Tue 01 September 2009
Draft PDF for Linux Sea
by Sven Vermeulen, post on Mon 10 August 2009
Adding exercises and resources
by Sven Vermeulen, post on Mon 15 September 2008

Comparing Hadoop with mainframe
by Sven Vermeulen, post on Wed 15 June 2016

Switched to Lineage OS
by Sven Vermeulen, post on Sun 09 April 2017
I missed FOSDEM
by Sven Vermeulen, post on Tue 07 February 2017
Lots of new challenges ahead
by Sven Vermeulen, post on Sun 19 October 2014
Umounting IPv6 NFS(v4) mounts
by Sven Vermeulen, post on Fri 23 August 2013
Today was a productive day
by Sven Vermeulen, post on Thu 15 August 2013
Hacking java bytecode with dhex
by Sven Vermeulen, post on Sat 01 June 2013
Centers of Excellence
by Sven Vermeulen, post on Tue 25 October 2011
About time...
by Sven Vermeulen, post on Thu 24 February 2011
prezi presentations
by Sven Vermeulen, post on Fri 10 September 2010
GSE TWS BeLux 2010
by Sven Vermeulen, post on Thu 03 June 2010
Extremely simple task manager
by Sven Vermeulen, post on Thu 18 December 2008

Automating compliance checks
by Sven Vermeulen, post on Sat 03 March 2018
Documenting a rule
by Sven Vermeulen, post on Wed 24 January 2018
Structuring a configuration baseline
by Sven Vermeulen, post on Wed 17 January 2018
Documenting configuration changes
by Sven Vermeulen, post on Sun 07 January 2018
Authenticating with U2F
by Sven Vermeulen, post on Mon 11 September 2017
Matching MD5 SSH fingerprint
by Sven Vermeulen, post on Thu 18 May 2017
Giving weights to compliance rules
by Sven Vermeulen, post on Thu 26 December 2013
Doing a content check with OVAL
by Sven Vermeulen, post on Tue 24 December 2013
What is OVAL?
by Sven Vermeulen, post on Sun 22 December 2013
Remediation through SCAP
by Sven Vermeulen, post on Fri 20 December 2013
Running a bit with the XCCDF document
by Sven Vermeulen, post on Wed 18 December 2013
An XCCDF skeleton for PostgreSQL
by Sven Vermeulen, post on Sat 14 December 2013
The mix of libffi with other changes
by Sven Vermeulen, post on Sun 03 November 2013
Switching gpg key to 0x2EDD52403B68AF47
by Sven Vermeulen, post on Thu 19 September 2013
cvechecker 3.3 released
by Sven Vermeulen, post on Mon 16 September 2013
Putting OVAL at work
by Sven Vermeulen, post on Thu 01 August 2013
Capabilities, a short intro
by Sven Vermeulen, post on Thu 02 May 2013
Securely handling libffi
by Sven Vermeulen, post on Sun 28 April 2013
Mitigating DDoS attacks
by Sven Vermeulen, post on Mon 22 April 2013
Using stunnel for mutual authentication
by Sven Vermeulen, post on Sat 08 December 2012
Perimeter security testing
by Sven Vermeulen, post on Tue 28 August 2012
Hardening the Linux kernel updates
by Sven Vermeulen, post on Sat 21 July 2012
Hardening the Linux kernel
by Sven Vermeulen, post on Fri 20 July 2012
Hardening OpenSSH
by Sven Vermeulen, post on Wed 18 July 2012
Why both chroot and SELinux?
by Sven Vermeulen, post on Sun 15 April 2012
Mitigating risks, part 3 - hardening
by Sven Vermeulen, post on Tue 13 September 2011
Mitigating risks, part 1
by Sven Vermeulen, post on Mon 05 September 2011
checksec kernel security
by Sven Vermeulen, post on Sun 24 July 2011
cvechecker 3.0
by Sven Vermeulen, post on Tue 12 April 2011
cvechecker updates
by Sven Vermeulen, post on Sun 27 March 2011
cvechecker update
by Sven Vermeulen, post on Sat 19 February 2011
cvechecker 2.0 released
by Sven Vermeulen, post on Wed 01 December 2010
Delta processing in cvechecker
by Sven Vermeulen, post on Tue 02 November 2010
Risk identification
by Sven Vermeulen, post on Thu 14 October 2010
cvechecker 1.0 released
by Sven Vermeulen, post on Fri 01 October 2010
cvechecker 0.6 released
by Sven Vermeulen, post on Wed 08 September 2010
cvechecker 0.5 released
by Sven Vermeulen, post on Thu 02 September 2010
cvechecker 0.4 released
by Sven Vermeulen, post on Wed 25 August 2010
cvechecker userguide
by Sven Vermeulen, post on Sun 22 August 2010
cvechecker 0.3 released
by Sven Vermeulen, post on Fri 20 August 2010
cvechecker 0.2 released
by Sven Vermeulen, post on Mon 16 August 2010
cvechecker 0.1 released
by Sven Vermeulen, post on Sat 14 August 2010
cvechecker in development mode
by Sven Vermeulen, post on Mon 12 July 2010
OVAL, SCAP, CVE, CPE, ...
by Sven Vermeulen, post on Sat 05 June 2010

SELinux and extended permissions
by Sven Vermeulen, post on Mon 20 November 2017
SELinux Userspace 2.7
by Sven Vermeulen, post on Tue 26 September 2017
Using nVidia with SELinux
by Sven Vermeulen, post on Wed 23 August 2017
We do not ship SELinux sandbox
by Sven Vermeulen, post on Tue 27 September 2016
Getting su to work in init scripts
by Sven Vermeulen, post on Mon 14 September 2015
Doing away with interfaces
by Sven Vermeulen, post on Sat 29 August 2015
Why we do confine Firefox
by Sven Vermeulen, post on Tue 11 August 2015
Can SELinux substitute DAC?
by Sven Vermeulen, post on Sun 09 August 2015
Don't confuse SELinux with its policy
by Sven Vermeulen, post on Mon 03 August 2015
Loading CIL modules directly
by Sven Vermeulen, post on Wed 15 July 2015
Intermediate policies
by Sven Vermeulen, post on Sun 05 July 2015
Testing with permissive domains
by Sven Vermeulen, post on Mon 18 May 2015
CIL and attributes
by Sven Vermeulen, post on Sun 15 February 2015
Why does it access /etc/shadow?
by Sven Vermeulen, post on Tue 30 December 2014
Using multiple priorities with modules
by Sven Vermeulen, post on Fri 31 October 2014
D-Bus and SELinux
by Sven Vermeulen, post on Mon 30 June 2014
Visualizing constraints
by Sven Vermeulen, post on Sat 31 May 2014
How does foo_t get this privilege?
by Sven Vermeulen, post on Sun 05 January 2014
Oh it is cron again...
by Sven Vermeulen, post on Fri 03 January 2014
Limiting file access with SELinux alone?
by Sven Vermeulen, post on Tue 31 December 2013
Network routing based on SELinux?
by Sven Vermeulen, post on Wed 21 August 2013
SECMARK and SELinux
by Sven Vermeulen, post on Mon 13 May 2013
Peer labeling in SELinux policy
by Sven Vermeulen, post on Sun 12 May 2013
SELinux mount options
by Sven Vermeulen, post on Wed 01 May 2013
SELinux tutorial series, update
by Sven Vermeulen, post on Mon 18 March 2013
SELinux tutorial series
by Sven Vermeulen, post on Fri 15 March 2013
Using pam_selinux to switch contexts
by Sven Vermeulen, post on Mon 10 December 2012
Local policy management script
by Sven Vermeulen, post on Sun 11 November 2012
Lots of work on supporting swig-2
by Sven Vermeulen, post on Mon 20 August 2012
Dynamic transitions in SELinux
by Sven Vermeulen, post on Sun 22 July 2012
Transitioning to MCS policies
by Sven Vermeulen, post on Fri 24 February 2012
Unix domain sockets are files
by Sven Vermeulen, post on Sat 31 December 2011
Policy 25, 26
by Sven Vermeulen, post on Wed 01 June 2011
SELinux file contexts
by Sven Vermeulen, post on Sun 15 May 2011
Updates on SELinux docs, added FAQ
by Sven Vermeulen, post on Wed 09 March 2011
SELinux for Gentoo Hardened
by Sven Vermeulen, post on Sun 06 February 2011
Confining user applications
by Sven Vermeulen, post on Sun 16 January 2011
SELinux enforcing for console activity
by Sven Vermeulen, post on Sat 30 October 2010
SELinux quicky
by Sven Vermeulen, post on Tue 14 September 2010