Fixing the hiss on my Atgames Legends Pinball Micro including root access
Which Root Certificates should you trust? Find out with CertInfo
YouLessQt, helps you align the YouLess to an analog electricity meter
A docker image for Qt 5.15 LTS for Android, including OpenSSL and the KDE patch collection
Drawing a Circle in Qt QML three different ways
Site update, self-hosted search via pagefind
My 24 year old HP Jornada can do things your modern iPhone still can't do!
Bare Metal Vi, boot into Vi without an OS!
OpenVMS 9.2 for x86, Installing HAProxy and troubleshooting UNIX file paths
OpenVMS 9.2 for x86, Getting Started part 3, the WebUI
OpenVMS 9.2 for x86, Getting Started part 2, auto boot, licenses, PAKs, networking and SSH
OpenVMS 9.2 for x86, Getting Started part 1, install guide with VirtualBox
OpenVMS 9.2 for x86 is finally available for hobbyists!
Site update, cookie consent popup (for a static site)
Named Booleans prevent C++ bugs and save you time
Johnnie 'QObject' Walker, replace a service locator pattern while you're at it
APT keeps complaining that the HTTPS certificate cannot be validated?
Leaf Node Monitoring v2023.01 released, major performance improvements, new layout and new checks!
Add moc includes to speed up Qt compilation
Spinrite 6.0 on UEFI and an NVMe SSD drive
OpenSSL generate self signed certificate with SAN in one command (subject alternative name)
Fade in / fade out in Qt/QML
Responsive Qt/QML layout coming to Leaf Node Monitoring
What's coming in the next version of Leaf Node Monitoring?
OpenVMS 9.2 for x86 will be released tomorrow (2022-07-14), so exciting!
Using a Windows Mobile 2003 PDA (HP iPAQ h4350) in 2022, including WhatsApp!
Qt/QML Property bindings break after a JavaScript assignment
HTTP GET requests with Qt and in Qml (async)
Selling my own GPL software part 3, prior art (existing GPL software for sale)
Proxmox VE 7 Corosync QDevice in a Docker container
Price of a guest post on dragonflydigest.com?
Build a WeatherTerminal app for the Seeed reTerminal (with Qt 6 & QML)
Yocto boot2qt for the Seeed reTerminal (Qt 6)
Qt 5.15.3 Open Source released
Raspberry Pi Compute Module 4 eMMC flashing issue (nRPI_BOOT)
Execute a script in a Yocto package on every image build
Yocto boot2qt for the Raspberry Pi 4, both Qt 5.15 and 6.2
Embed the source code directly in your Qt app with qmake and qrc, for GPL compliance
Log all Item properties and functions in Qml
Loop over all Repeater items or Delegate's in Qml
Thank you, shotternail!
QML Touch Area visualization with QML_VISUAL_TOUCH_DEBUGGING
QML Drag and Drop including reordering the C++ model
Selling my own GPL software, part 1: a lot of hurdles
The yearly backup restore test
Responsive QML Layout (with scrollbars)
Render markdown in a Qt QML Text or TextEdit control
Qt/QML: Expose C++ classes to QML and why setContextProperty is not the best idea
Expose any Qt5 program via VNC
Rectangle{} debugging in QML, just like printf(), but for QT
Relegendable keycaps for your macropad, the best thing ever for developer productivity
Install NetBSD 9.2 on a DEC Alpha CPU with AXPBox
Remote desktop on NetBSD with Xnest (no VNC)
Install NetBSD 9.2 on a DEC Alpha CPU in QEMU with X11
Using IceWM and a Raspberry Pi as my main PC, sharing my theme, config and some tips and tricks.
Firefox 89 Proton UI Tab Styling
Execute a command and get both output and exit status in C++ (Windows & Linux)
Exclude lines in less (or journalctl)
All packages that were present in Ubuntu 18.04 but absent in Ubuntu 20.04
I've packaged up CKermit as a snap, for Ubuntu 20.04
It compiles does not always mean that it works, a tale of virtual overridden fun in C++
Run MS Teams on a coffee machine?!? (Or: Embedded Linux Framebuffer VNC client)
Run one specific clang-tidy check on your entire codebase
Three ways to print booleans as 'True' or 'False' in C++
Record your Linux Desktop with ffmpeg and slop to any format
Disable (debug) logging in QT and QML
QT / QML Signals and Slots with C++
Limit specific process memory on desktop linux with cgroups and earlyoom
Reset the SYSTEM password on OpenVMS 8.4
The Common Desktop Environment (CDE) is still developed and modern in 2021
OpenVMS CDE Desktop Remote X session GUI (on AXPbox)
AXPbox version 1.0.0 released! (Open source Alpha emulator)
Site updates, new font for better contrast and other small CSS fixes
C++ std::async with a concurrency limit (via semaphores)
Lets talk about changelogs, or, how I loathe 'bugfixes and performance improvements'
Hacker News vs Lobste.rs in C++, an exercise in parsing json http api's and date/time/timezones
Bash HTTP monitoring dashboard
C++ set up cpp-httplib with SSL support with cMake
I've packaged up Gnash as a snap, for modern linux
Semi-accurate live stream viewer count (hls/rtmp/restreamer) on the command line
Installing OpenVMS 8.4 Alpha inside AXPbox on Debian 10 / Ubuntu 20.04 with networking
Exciting OpenVMS Alpha Emulation news, es40 has been forked to Axpbox (and works!)
I enforced the AGPL on my code, here's how it went
What does raymii.org cost to run?
Tiny Tiny RSS vs Miniflux
Store multiple types in a single std::map in C++ with std::any, just like a python dict
CookieNumberPrinter, incremental / idle game style numbers in C++
Get all SSH public keys from gitlab
Get number of incoming connections on specific port with ss
Local incremental backups of Google Photos on Ubuntu with gphotos-sync
Get webcam resolution and info on Ubuntu and fix HD
Ubuntu Snap auto updates broke my development setup and there is no way to turn them off
The Twitter Bitcoin hack can happen anywhere humans are involved
C++ Remove leading or trailing characters from std::string
Running gnash on Ubuntu 20.04 (in Docker with X11 forwarding)
Installing PyGopherd on Ubuntu 20.04
Generate QR code and write it to a PNG, scaled, in C++
Github Actions, C++ with Boost and cmake, almost a 50% speedup with caching
I had to jailbreak my iPhone to change the default browser...
Here be dragons, or, invalidated iterators
C++ async, threads and user input
Personal Wireguard VPN on a Freedombox with Debian
Installing Freedombox on Armbian on the Olimex Pioneer
Cancellation notice: cipherli.st, txtn.ws, ssldecoder.org and certificatemonitor.org
Windows 10 updates with PowerShell
Run CLion native on Android, ditch your desktop!
Tiny Tiny RSS + Readability == The best way to read RSS feeds
ScreensaverStopper, stop activating the screensaver by sending F24 often
and & or are valid in C++ (alternative tokens)
Weight for Weight, a coding exercise that kept me busy
std::string to lowercase or uppercase in C++
std::accumulate in C++
Send commands or input to a detached screen session
C++ project setup with CMake & unit tests (google test)
Get serial port data on the web with live updating
Bash bits: split a file in blocks and do something with each block
Bash bits: find has a -delete flag
Only zero is false, everything else is true in C++
GNUplot tips for nice looking charts from a CSV file
Gherkin 30% keyboard build log and review
connman operstate list
C++ template definitions in a .cpp file (instead of a header file)
C++ create and write to a CSV file with a variadic template
Dark Reader, dark mode for any website
Cooking with C++ templates and stronger types
C++ variadic template recursive example
C++ create and write to a CSV file
Retro PC Ads - 1975 Sphere 1
Match dig 127.0.0.53 server with systemd-resolvd server
Site updates, new layout
Bash Bits: Find all files containing specific text (and remove them)
Bash Bits: Randomize a cronjob to run between 00:00 and 06:00 hours
Bash Bits: Check if a program is installed
OpenSSL test TLSv1.3 connection and ciphersuites with s_client
totext.py - Convert URL or RSS feed to text with readability
Convert markdown inline links to reference style links with Pandoc
Building opkg .ipk packages by hand (for OpenEmbedded/Yocto/OpenWRT)
Where is dropbearconvert on Ubuntu?
Simple pygopherd log analyzer
Disable motd news or (parts of) the dynamic motd on Ubuntu
Site updates, raymii.org now also available on Gopher
SpaceCat Launchpad v2, an awesome cool little macropad
Viewing PDF, .docx and .odt files in mutt (as text)
Get a JSON value with bash and sed
My phone serves me 400+ ads and trackers per hour. Blokada, the best android adblocker, beats 'm all!
Split keyboards, a five year review including the ErgoDox EZ, Matias Ergo Pro and Kinesis Freestyle 2
Sparkling Network
SSH on Windows Server 2019 (including how to sudo)
Line total (up+down sum) in PHP Network Weathermap
Three new NitroKeys! Nitrokey Pro 2, Storage 2 and a FIDO-U2F Nitrokey
Use Ubuntu behind a Microsoft ForeFront TMG proxy with cntlm
Encrypt and decrypt files to public keys via the OpenSSL Command Line
Find files in tar archives and extract specific files from tar archives
Reddit Gold for Caldera Openlinux 1.2
Service checks in LibreNMS (http, all other Nagios plugins)
tping - ping with a timestamp
Linux on Microsoft Azure? Disable this built-in root-access backdoor (wa-linux-agent)
Python script to talk to LibreNMS API and get alerts and hosts
nginx 1.15.2, ssl_preread_protocol, multiplex HTTPS and SSH on the same port
Site updates for accessibility, text only pages and skip to main content
Send email with multiple inline images via bash with a loop
log_vcs - Ansible callback plugin that creates VCS (git) branches for every Ansible run
Windows 7 installer on a KVM Linux VPS (Windows on Digital Ocean)
Syslog configuration for remote logservers for syslog-ng and rsyslog, both client and server
snap install mosaic, the first graphical webbrowser on Ubuntu
Chrome 68 is depcrecating HPKP (HTTP Public Key Pinning)
That time when one of my HP-UX servers lost half of it's RAM (and how to connect to an HP iLO 2 with modern OpenSSH (7.6+))
GPG noninteractive batch sign, trust and send gnupg keys
HP-UX 11.31 System information and find out part number of a failed disk with sasmgr
Icinga2 / Nagios / Net::SNMP change the default timeout of 60 seconds
Multiple passwords for one user, UIC uniqueness and the system password on OpenVMS
Mount ISO and execute scripts on OpenVMS
File locking, grep and process killing on OpenVMS
Site updates, new layout for overview pages
The sad state of Alpha emulators (for OpenVMS)
Introducing the Yubikey Nano XL Rugged edition
Installing the es40 AlphaServer emulator 0.18 on Ubuntu 16.04, and trying to install OpenVMS 8.4 on es40
Small OpenVMS titbits
Ansible - add apt_key inline
OpenVMS 7.3 install log with simh VAX on Ubuntu 16.04
File versioning and deleting on OpenVMS with DELETE and PURGE
Synergy, no mouse cursor on Ubuntu 17.10
FreeIPA DNS workaround for DNS zone [...]. already exists in DNS and is handled by server(s):
Backspace and delete key behaviour on OpenVMS
SSH public key authentication on OpenVMS
Delete a directory on OpenVMS
Mail on OpenVMS
My first OpenVMS
OpenStack nova get-password, set-password and post encrypted password to metadata service
Essential Monitoring checks
My Yubikey broke, but I had a backup. So should you with your 2FA
haproxy: restrict specific URLs to specific IP addresses
Dell PowerEdge firmware upgrades via iDrac
ncdu - for troubleshooting diskspace and inode issues
Adding IPv6 to a keepalived and haproxy cluster
atop is broken on Ubuntu 16.04 (version 1.26): trap divide error
Backup OpenStack object store or S3 with rclone
Openstack Horizon, remove the loading modal with uBlock Origin
Distributed load testing with Tsung
Run software on the tty1 console instead of getty login on Ubuntu 14.04 and 16.04
Check HTTP status code for a page on all DNS records
Burn in testing for new Hypervisor and Storage server hardware
Openstack Soft Delete - recover deleted instances
Running WPS-8 (Word Processing System) on the DEC(mate) PDP-8i and SIMH
Traceroute IPv6 to Smokeping Target config
Ansible: access group vars for groups the current host is not a member of
OpenStack: Quick and automatic instance snapshot backup and restore (and before an apt upgrade) with nova backup
Create a PDP-8 OS8 RK05 system disk from RX01 floppies with SIMH (and get text files in and out of the PDP-8)
Overflow the Investigatory Powers Bill!
Build a FreeBSD 11.0-release Openstack Image with bsd-cloudinit
Nitrokey gnuk firmware update via DFU
MySQL restore after a crash and disk issues
Firefox History stats with Bash
Create /etc/shadow crypted password entries
Mouse movement via the keyboard with xdotool and xbindkeys
IPSEC VPN on Ubuntu 16.04 with StrongSwan
Nagios 4 + Nagiosgraph (latest) installation on Ubuntu 12.04 & 14.04
Ansible - Create OpenStack servers with Ansible 2.0 and the os_server module and a dynamic inventory
FST-01 gnuk firmware update via USB
Ansible - create playbooks and role file and folder structure
Reset iptables to ACCEPT all (backup and remove all existing rules)
Nitrokey Start: Getting started guide (gnuk openpgp token)
Nitrokey HSM/SmartCard-HSM and Raspberry Pi web cluster
Raspberry Pi unattended upgrade Raspbian to Debian Testing
Storing arbitraty data in the Nitrokey HSM/SmartCard-HSM with Elementary Files (EF)
Use the Nitrokey HSM or SmartCard-HSM with sc-hsm-embedded, mod_nss and Apache (read only module)
Decrypt/Extract Nitrokey HSM/SmartCard-HSM RSA private keys
Use the Nitrokey HSM or SmartCard-HSM with mod_nss and Apache
Get started with the Nitrokey HSM or SmartCard-HSM
HTTP Strict Transport Security for Apache, NGINX and Lighttpd
Toggling in a simple program DEC PDP-8 and PiDP-8 using the switch register
Ansible - Add an apt-repository on Debian and Ubuntu
Migrating personal webapps and services
Build a FreeBSD 10.3-release Openstack Image with bsd-cloudinit
IPv6 in a Docker container on a non-ipv6 network
Active Directory and Exchange Command Line Powershell
Let's Encrypt with DirectAdmin, now built in!
Ansible playbook for GoAccess Log Analyzer
Deborphan cleanup until no more orphaned packages left
Microsoft Office 2013 and 2010 on Linux
Recursively find all [installed] package dependencies
IPSEC VPN on Ubuntu 15.04 with StrongSwan
IPSEC VPN on Ubuntu 15.10 with StrongSwan
Forward or save outgoing email with Exim
Generate hashes of files with rhash for archival storage
Linux Containers
Sign and verify text/files to public keys via the OpenSSL Command Line
Make OpenELEC/Kodi work with the Sitecom CN-524/ Cambridge Silicon Radio (CSR) 8510 A10 Bluetooth USB adapter on the Raspberry Pi.
Install Ubuntu Linux on the LG Chromebase
Running TSS/8 on the DEC PiDP-8/i and SIMH
Running Adventure on the DEC PDP-8 with SIMH
Find all services using libssl to restart after an OpenSSL update
Strong SSL Security on nginx
Strong SSL Security on Apache2
Strong SSL Security on lighttpd
Openstack - (Manually) migrating (KVM) Nova compute virtual machines
The awesomely epic guide to KDE
Filing Effective Bug Reports
Raspberry Pi Arcade Machine
systemd: Don't fear change
Keep messages secure with GPG
OpenSSL: Manually verify a certificate against a CRL
How I got a valid SSL certificate for my ISP's main domain, xs4all.nl
Olimex OlinuXino A20 LIME2 mainline 4.0.0 kernel, u-boot and debian rootfs image building tutorial
Automating Openstack with cloud init run a script on VM's first boot
Ada Lovelace and The Analytical Engine
Build a Flexible and Powerful System with Arch Linux
Euclid's algorithm: recursion and python
Example
Solve word puzzles with bash
OpenSSL command line Root and Intermediate CA including OCSP, CRL and revocation
Openstack Glance Image Download, download Openstack images
Remove Installatron from a (Directadmin) server
Installing Virtual Machines with virt-install, plus copy pastable distro install one-liners
Raspberry Pi FM radio transmitter with Buttons
Olimex OlinuXino A20 LIME2 Minimal Debian 7 Image
OpenVZ/Proxmox - pre-backup all container dump script
Filtering IMAP mail with imapfilter
Let's Encrypt with DirectAdmin or other Web Control Panels
Broken Corrupted Raspberry Pi SD Card
Shared Git repository over ssh for multiple users
Get all IP ranges from an AS number
pfSense allow web interface access on WAN from specific IP
IPSEC VPN on Centos 7 with StrongSwan
HTTP Public Key Pinning Extension HPKP for Apache, NGINX and Lighttpd
Arch Linux AUR PKGBUILD generate new checksums
Ansible - Only if a file exists or does not exist
Fix inconsistent Openstack volumes and instances from Cinder and Nova via the database
Clear Uncluttered SSH client config with Ansible
Olimex OlinuXino a10 Lime uBoot, Kernel and root image guide
ingsoc
IPSEC L2TP VPN on CentOS 6 / Red Hat Enterprise Linux 6 / Scientific Linux 6
IPSEC L2TP VPN on Arch Linux on a Raspberry Pi with OpenSwan, xl2tpd and ppp
IPSEC L2TP VPN on Ubuntu 12.04 with OpenSwan, xl2tpd and ppp
IPSEC L2TP VPN on Ubuntu 13.10 with OpenSwan, xl2tpd and ppp
IPSEC L2TP VPN on Ubuntu 13.04 with OpenSwan, xl2tpd and ppp
IPSEC L2TP VPN on Ubuntu 14.04 with OpenSwan, xl2tpd and ppp
IPSEC L2TP VPN on Ubuntu 12.10 with OpenSwan, xl2tpd and ppp
Openstack Affinity Groups, make sure instances are on the same or different compute hypervisor hosts
Ansible - Only if host is also in other hostgroup
Build a FreeBSD 10.1-release Openstack Image with bsd-cloudinit
OpenSSL Decoder Script
Ansible - Only do action if on specific distribution (Debian, Ubuntu, CentOS or RHEL) or distribution version (ubuntu precise, ubuntu trusty)
OpenSSL Command Generator
Olimex OlinuXino a10 Lime Minimal Debian 7 Image
Keepalived notify script, execute action on failover
Check and Fix SSL servers for SSLv3 connections or the Poodle CVE-2014-3566 bug
Configserver Firewall and Security (CSF and LFD)
Patch Shellshock)with Ansible
Boot to Vim, Vim as Pid 1
Statically (cross) compiled vim for x86, x86-64 and mipsel
Owncloud, DirectAdmin, Apache 2.4 and Error AH01797: client denied by server configuration
Set your IP as wallpaper
foaas.sh - Command Line Fuck Off as a Service client
Get the current or all Firefox tab urls in Bash
Build a $35 Time Capsule - Raspberry Pi Time Machine Backup Server
Building HA Clusters with Ansible and Openstack
OpenVZ/Proxmox - Container to Template
Proxmox VE - One Public IP
CentOS 5 CA Certificate Bundle Update
Traceroute to Smokeping Target config
Simple keepalived failover setup on Ubuntu 14.04
Build a FreeBSD 10.0-release Openstack Image with bsd-cloudinit
OSSEC 2.8 Server, Client, Web UI and Analogi Dashboard Installation tutorial
Openstack Horizon installation with SSL on Ubuntu
Openstack Swift Objectstore Access via FTP
Encrypted Duplicity Backups to Openstack Swift Objectstore
IPv6 at Home
Transmission Web on a Raspberry Pi with Arch Linux
FreeBSD 10, Converting from RELEASE to STABLE 
Linux software raid, rebuilding broken raid 1
FreeBSD Ports: remove config options
OpenSSL: Manually verify a certificate against an OCSP
Chef: overwrite templates in wrapper-cookbooks
Chef: chef_gem vs gem_package and ORDER
OS X: Remove all Apple Remote Dekstop settings
3D modeling a real world object in OpenSCAD
KVM add disk image or swap image to virtual machine with virsh
KVM convert qcow2 disk images to raw disk images for performance
KVM host with bonding and VLAN tagged Virtual Machines setup on Ubuntu 12.04
Bonding NIC Teaming on Ubuntu 12.04
Install extra software in the VMWare vCenter Appliance (VCSA)
OpenSSL: Get all certificates from a website in plain text
OCSP Stapling on Apache
OCSP Stapling on nginx
haproxy: intercept all cookies and set secure attribute
Check if passwordless sudo can be used in a bash script or nagios check
Remove unused CentOS/Red Hat kernels
rc.local support on Arch Linux with systemd
Ansible Inventory from VMWare
Bash Bits: Simple command line arguments
Ansible - Playbook Testing
Local W3C HTML5 Validator Server
Ansible - Only do something if another action changed
Ansible - Sudo sometimes
haproxy: client side ssl certificates
Apache access/error log to syslog
Back Up Thunderbird Message Filters
Install nmap 6.40 on Ubuntu 12.04
haproxy: set specific ssl ciphers
haproxy: add strict transport security or any other http header
haproxy: ssl backends
haproxy: redirect to ssl or other website
ntop-ng 1.1 installation on Ubuntu 12.04
Corosync Pacemaker - Execute script on failover
DigitalOcean Sucks. Use DigitalOcean!
NoPriv.py - Easy IMAP Email Backup.
Self Hosted CryptoCat - Secure self hosted multiuser webchat
Corosync Notes
Remove unused Ubuntu kernels
Install the latest ZNC from source on Ubuntu
Set up your own truly secure, encrypted and shared file synchronization, aka Dropbox clone
OpenSSL One liner to create self signed certificate
Chef: search in recipe based on roles or recipes
Chef: include_recipe only_if or not_if
Uninstall and Remove OSSEC
Bash Bits: Check if item is in array
Bash Bits: Add colour output to your script
Bash Bits: Debug Logging
Bash Bits: Trap Control C (SIGTERM)
OSSEC Server, Client, Web UI and Analogi Dashboard Installation tutorial
OS X - Enable access for assistive devices via the command line
OS X - Applescript to lock date and time preference panel to fix local sudo exploit
IPv4 Address Conversion Tricks
OpenVZ dnsmasq set capabilities failed fix
Bind DNS Query Graph Charts with GNUPlot
Microsoft Exchange / Active Directory Powershell script to notify users of expiring Passwords
Nagios - Hide all hosts in hostgroup
Diffie Hellman Key Exchange Dutch Notes and Example
OpenSSL - Generate Psuedo Random Passwords
Stong SSL Security on Lighttpd
My Todo.txt Workflow, including Unison, Todour and Android
Pass the SSL Labs Test on NGINX (Mitigate the CRIME and BEAST attack, Disable SSLv2 and Enable Perfect Forward Secrecy).
Pass the SSL Labs Test on Apache2 (Mitigate the CRIME and BEAST attack, Disable SSLv2 and Enable Perfect Forward Secrecy).
OS X: Disable Notification Center
bdsh - Whitelist Restricted Shell
Strip all non-ascii characters from a file
Samba Shares with Active Directory Login on Ubuntu 12.04
Bash Incremental History Search / Autocomplete 
Dogtag / Red Hat Certificate System reset admin pkiconsole password
Ejabberd SSL Certificate
Ejabberd Active Directory LDAP Login
Set up a federated XMPP Chat Network with ejabberd, your own Google Talk Hangouts alternative
OS X - Turn Bonjour off or on via the command line
OS X - Turn off sleep from the command line
OS X - Create Hardware report SPX and save it to a AFP share
Gitlab Active Directory LDAP Authentication
OS X: Turn firewall on or off from the command line
Exchange 2007 and 2010 Autodiscovery DNS SRV record for BIND
Hide or determine BIND version number
Nagios plugin to check an OCSP server
Nagios plugin to check Safenet HSM
Nagios plugin to check CRL expiry in minutes
Join Mac OS X to an Active Directory / OpenDLAP directory from the commandline
HP ILO - Quickly gather ILO version and firmware information via CURL
Munin plugin to show Logstash/Kibana messages per hour
Set up a Collectd client
Set up a Collectd server with web frontend
NGINX: Proxy folders to different root
Silent unatended apt-get upgrade
Ansible - sudoers safety and sanity checking in playbook
NGINX: Catch all error codes
NGINX: Hide / Block .git and .svn folders
Ansible - pure ssh based configuration management and deployment
Hosted Piwik
Screenfetch installation tutorial
Better Cron env and shell control with the SHELL variable
Word occurrence counter and analyzer
Create a VMWare ESXi 5  5.1 5.5 USB install disk
Basic website and database backups with Duplicity
Systemd rosetta / cheatsheet
OpenSSL match certificate and private key
OpenSSL Generate CSR non-interactive
Munin - Fix MySQL plugin on Ubuntu 12.04 and Debian 6
Munin - Set up the NGINX status plugin on Ubuntu 12.04
Exploring /proc/ - tips and tricks for the procfs
OpenSSL one liner to get expiry date from SSL Certificate of any website
Fix CentOS IPTables rule saving (iptables: Saving firewall rules to /etc/sysconfig/iptables: /etc/init.d/iptables: line 274: restorecon: command not found)
Restrict SSH
RT (Request Tracker) - find and delete big attachments
Install python 2.7 or 3 under Debian 6
Ruby script to upload or convert a Maildir Inbox to an IMAP server
Python script to monitor a file for changes and then mail the report with the file attached.
Exchange 2010 - OWA - Lock user after x amount of failed logins
Restore iptables rules after a reboot on debian
CIDR Cheatsheet
Resize OS X Mountain Lion installer to fit on a single layer 4.7 GB DVD
Munin optimization guide for Debian (rrdcached, tmpfs, ionice and nice)
Set OS X hostname from the commandline
ClamAV installation and daily scan + report on Ubuntu
Limit access to openssh features with the Match option
Set up your own distributed, redundant, and encrypted storage grid with Tahoe-LAFS
Git-clean
Small low cost linux pc's, an overview from 11-2012
Ray-Mon - PHP and Bash server status monitoring
Codename Geld
ed cheatsheet
Persistent reverse (NAT bypassing) SSH tunnel access with autossh
Nagios plugin to check certificates on local file system
NutsManager
PHP Task/Todo list
Complete word count analysis of Security Now, episode 1 trough 370.
Correctly grep and display the uptime, load average and amount of users
Packages
Tiny Tiny RSS
Wallbase.cc commandline bash wget downloader
Small Operating Systems / Linux Distributions
Postfix snippets - not finished
ProxBash - a bash script to manage Proxmox VE
Ubuntu/Debian update mailer
Terrible Start
Bash - do something in every subdirectory
Bash script to list all changed files in certain period
Set up a local Ubuntu (apt) repository with apt-mirror
NurseCalc o2 - Bash script and online app for Oxygen Calculations
NurseCalc Infuus - Bash script and Online app for infusion and drip (speed) Calculations 
Some Bash and Arch Tweaks 
MagicProg: Magic the Gathering (RPG/TGC) Life Program 
Chrome Extensions for Privacy, Adblocking and anti-tracking
Stopping fail2ban.server : ERROR Unexpected communication error and other errors in fail2ban on ubuntu 9.04
Introduction to DokuWiki
Introduction to Markdown
Tether your Sonim XP3 phone with Linux
What to do if you cannot execute CHMOD
Debian packages clean up commands
NoPriv.py - Easy IMAP email backup to HTML archive.
Customize your Clonezilla Live CD
EasyConverter
SSHdialog
Clonezilla Backup Script v0.2
Postfix: log message from, to and subject
Bash script for massive rename to numbers
Javascript tricks
Convert FLV's to MP3
Setting up Motion with FTP and Email! support
Bash ja/nee keuze
Imagemagick thumbnailer
Vim Cheatsheet
RET Metro Type T SG/2
RET Metro Type M MG/2
RET Metro ZUB
RET Metro ATB
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