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DateItem
18-05-2018HP-UX 11.31 System information & find out part number of a failed disk with sasmgr
16-05-2018Icinga2 / Nagios / Net::SNMP change the default timeout of 60 seconds
13-05-2018Multiple passwords for one user, UIC uniqueness and the system password on OpenVMS
08-05-2018Mount ISO and execute scripts on OpenVMS
06-05-2018File locking, grep and process killing on OpenVMS
04-05-2018Site updates, new layout for overview pages
30-04-2018The sad state of Alpha emulators (for OpenVMS)
27-04-2018Introducing the Yubikey Nano XL Rugged edition
24-04-2018Installing the es40 AlphaServer emulator 0.18 on Ubuntu 16.04, and trying to install OpenVMS 8.4 on es40
22-04-2018Small OpenVMS titbits
19-04-2018Ansible - add apt_key inline
16-04-2018OpenVMS 7.3 install log with simh VAX on Ubuntu 16.04
15-04-2018File versioning and deleting on OpenVMS with DELETE and PURGE
11-04-2018Synergy, no mouse cursor on Ubuntu 17.10
10-04-2018FreeIPA DNS workaround for DNS zone [...]. already exists in DNS and is handled by server(s):
09-04-2018Backspace and delete key behaviour on OpenVMS
05-04-2018SSH public key authentication on OpenVMS
03-04-2018Delete a directory on OpenVMS
01-04-2018Mail on OpenVMS
31-03-2018My first OpenVMS
25-03-2018OpenStack nova get-password, set-password and post encrypted password to metadata service
20-03-2018Essential Monitoring checks
18-03-2018My Yubikey broke, but I had a backup. So should you with your 2FA
04-03-2018haproxy: restrict specific URLs to specific IP addresses
26-01-2018Dell PowerEdge firmware upgrades via iDrac
29-10-2017ncdu - for troubleshooting diskspace and inode issues
24-09-2017Adding IPv6 to a keepalived and haproxy cluster
18-09-2017atop is broken on Ubuntu 16.04 (version 1.26): trap divide error
17-08-2017Backup OpenStack object store or S3 with rclone
25-05-2017Openstack Horizon, remove the loading modal with uBlock Origin
13-04-2017Distributed load testing with Tsung
10-04-2017Run software on the tty1 console instead of getty login on Ubuntu 14.04 and 16.04
09-04-2017Check HTTP status code for a page on all DNS records
08-04-2017Burn in testing for new Hypervisor and Storage server hardware
18-03-2017Openstack Soft Delete - recover deleted instances
09-03-2017Running WPS-8 (Word Processing System) on the DEC(mate) PDP-8i and SIMH
05-03-2017Traceroute IPv6 to Smokeping Target config
27-01-2017Ansible: access group vars for groups the current host is not a member of
12-01-2017Sparkling Network
20-12-2016OpenStack: Quick and automatic instance snapshot backup and restore (and before an apt upgrade) with nova backup
07-12-2016Create a PDP-8 OS8 RK05 system disk from RX01 floppies with SIMH (and get text files in and out of the PDP-8)
24-11-2016Overflow the Investigatory Powers Bill!
14-11-2016Build a FreeBSD 11.0-release Openstack Image with bsd-cloudinit
11-10-2016Nitrokey gnuk firmware update via DFU
10-10-2016MySQL restore after a crash and disk issues
25-09-2016Firefox History stats with Bash
23-09-2016Create /etc/shadow crypted password entries
13-09-2016Mouse movement via the keyboard with xdotool and xbindkeys
12-09-2016IPSEC VPN on Ubuntu 16.04 with StrongSwan
11-09-2016Nagios 4 + Nagiosgraph (latest) installation on Ubuntu
10-09-2016Ansible - Create OpenStack servers with Ansible 2.0 and the os_server module and a dynamic inventory
09-09-2016FST-01 gnuk firmware update via USB
08-09-2016Ansible - create playbooks and role file and folder structure
03-09-2016Reset iptables to ACCEPT all (backup and remove all existing rules)
14-08-2016Nitrokey Start: Getting started guide (gnuk openpgp token)
01-08-2016Nitrokey HSM/SmartCard-HSM and Raspberry Pi web cluster
27-07-2016Raspberry Pi unattended upgrade Raspbian to Debian Testing
17-07-2016Storing arbitraty data in the Nitrokey HSM/SmartCard-HSM with Elementary Files (EF)
15-07-2016Use the Nitrokey HSM or SmartCard-HSM with sc-hsm-embedded, mod_nss and Apache (read only module)
13-07-2016Decrypt/Extract Nitrokey HSM/SmartCard-HSM RSA private keys
21-06-2016Use the Nitrokey HSM or SmartCard-HSM with mod_nss and Apache
19-06-2016Get started with the Nitrokey HSM or SmartCard-HSM
17-06-2016HTTP Strict Transport Security for Apache, NGINX and Lighttpd
08-06-2016Toggling in a simple program DEC PDP-8 and PiDP-8 using the switch register
15-05-2016Ansible - Add an apt-repository on Debian and Ubuntu
05-05-2016Migrating personal webapps and services
27-04-2016Build a FreeBSD 10.3-release Openstack Image with bsd-cloudinit
12-04-2016IPv6 in a Docker container on a non-ipv6 network
27-02-2016Active Directory and Exchange Command Line Powershell
24-02-2016Let's Encrypt with DirectAdmin, now built in!
30-01-2016Recap of week 04, 2016
23-01-2016Recap of week 03, 2016
17-01-2016Ansible playbook for GoAccess Log Analyzer
16-01-2016Recap of week 02, 2016
11-01-2016Deborphan cleanup until no more orphaned packages left
10-01-2016Recap of week 01, 2016
02-01-2016Microsoft Office 2013 and 2010 on Linux
01-01-2016Recap of week 53, 2015
31-12-2015Recursively find all [installed] package dependencies
26-12-2015Recap of week 52, 2015
20-12-2015IPSEC VPN on Ubuntu 15.04 with StrongSwan
20-12-2015IPSEC VPN on Ubuntu 15.10 with StrongSwan
19-12-2015Recap of week 51, 2015
16-12-2015Forward or save outgoing email with Exim
12-12-2015Recap of week 50, 2015
11-12-2015Generate hashes of files with rhash for archival storage
10-12-2015Let's Encrypt with DirectAdmin or other Web Control Panels
12-11-2015Linux Containers
10-11-2015Encrypt and decrypt files to public keys via the OpenSSL Command Line
09-11-2015Sign and verify text/files to public keys via the OpenSSL Command Line
01-10-2015Make OpenELEC/Kodi work with the Sitecom CN-524/ Cambridge Silicon Radio (CSR) 8510 A10 Bluetooth USB adapter on the Raspberry Pi.
24-09-2015Ansible - Only do action if on specific distribution (Debian, Ubuntu, CentOS or RHEL) or distribution version (ubuntu precise, ubuntu trusty)
03-08-2015Install Ubuntu Linux on the LG Chromebase
26-07-2015Running TSS/8 on the DEC PiDP-8/i and SIMH
23-07-2015Running Adventure on the DEC PDP-8 with SIMH
14-07-2015Find all services using libssl to restart after an OpenSSL update
14-06-2015Strong SSL Security on nginx
14-06-2015Strong SSL Security on Apache2
14-06-2015Stong SSL Security on lighttpd
13-06-2015Openstack - (Manually) migrating (KVM) Nova compute virtual machines
04-05-2015The awesomely epic guide to KDE
03-05-2015Filing Effective Bug Reports
03-05-2015Raspberry Pi Arcade Machine
31-03-2015OpenSSL command line Root and Intermediate CA including OCSP, CRL and revocation
25-03-2015systemd: Don't fear change
22-03-2015Keep messages secure with GPG
22-03-2015OpenSSL: Manually verify a certificate against a CRL
21-03-2015How I got a valid SSL certificate for my ISP's main domain, xs4all.nl
21-03-2015Olimex OlinuXino A20 LIME2 mainline 4.0.0 kernel, u-boot and debian rootfs image building tutorial
11-03-2015Automating Openstack with cloud init run a script on VM's first boot
09-03-2015Ada Lovelace and The Analytical Engine
09-03-2015Build a Flexible and Powerful System with Arch Linux
08-03-2015Euclid's algorithm: recursion and python
08-03-2015Example
08-03-2015Solve word puzzles with bash
25-02-2015Openstack Glance Image Download, download Openstack images
08-02-2015Remove Installatron from a (Directadmin) server
08-02-2015Installing Virtual Machines with virt-install, plus copy pastable distro install one-liners
04-02-2015Raspberry Pi FM radio transmitter with Buttons
28-01-2015Olimex OlinuXino A20 LIME2 Minimal Debian 7 Image
18-01-2015OpenVZ/Proxmox - pre-backup all container dump script
17-01-2015Filtering IMAP mail with imapfilter
09-01-2015Broken Corrupted Raspberry Pi SD Card
05-01-2015Shared Git repository over ssh for multiple users
04-01-2015Get all IP ranges from an AS number
31-12-2014pfSense allow web interface access on WAN from specific IP
30-12-2014IPSEC VPN on Centos 7 with StrongSwan
30-12-2014HTTP Public Key Pinning Extension HPKP for Apache, NGINX and Lighttpd
29-12-2014Arch Linux AUR PKGBUILD generate new checksums
27-12-2014Ansible - Only if a file exists or does not exist
22-12-2014Fix inconsistent Openstack volumes and instances from Cinder and Nova via the database
21-12-2014Clear Uncluttered SSH client config with Ansible
20-12-2014Olimex OlinuXino a10 Lime uBoot, Kernel and root image guide
02-12-2014ingsoc
01-12-2014IPSEC L2TP VPN on CentOS 6 / Red Hat Enterprise Linux 6 / Scientific Linux 6
01-12-2014IPSEC L2TP VPN on Arch Linux on a Raspberry Pi with OpenSwan, xl2tpd and ppp
01-12-2014IPSEC L2TP VPN on Ubuntu 12.04 with OpenSwan, xl2tpd and ppp
01-12-2014IPSEC L2TP VPN on Ubuntu 13.04 with OpenSwan, xl2tpd and ppp
01-12-2014IPSEC L2TP VPN on Ubuntu 14.04 with OpenSwan, xl2tpd and ppp
01-12-2014IPSEC L2TP VPN on Ubuntu 13.10 with OpenSwan, xl2tpd and ppp
01-12-2014IPSEC L2TP VPN on Ubuntu 12.10 with OpenSwan, xl2tpd and ppp
29-11-2014Openstack Affinity Groups, make sure instances are on the same or different compute hypervisor hosts
25-11-2014Ansible - Only if host is also in other hostgroup
23-11-2014Build a FreeBSD 10.1-release Openstack Image with bsd-cloudinit
15-11-2014OpenSSL Decoder Script
08-11-2014OpenSSL Command Generator
31-10-2014Olimex OlinuXino a10 Lime Minimal Debian 7 Image
26-10-2014Keepalived notify script, execute action on failover
14-10-2014Check and Fix SSL servers for SSLv3 connections or the Poodle CVE-2014-3566 bug
12-10-2014Configserver Firewall and Security (CSF and LFD)
24-09-2014Patch Shellshock)with Ansible
18-09-2014Boot to Vim, Vim as Pid 1
17-09-2014Statically (cross) compiled vim for x86, x86-64 and mipsel
15-09-2014Owncloud, DirectAdmin, Apache 2.4 and Error AH01797: client denied by server configuration
14-09-2014Set your IP as wallpaper
08-09-2014foaas.sh - Command Line Fuck Off as a Service client
01-09-2014Get the current or all Firefox tab urls in Bash
29-08-2014Build a $35 Time Capsule - Raspberry Pi Time Machine Backup Server
25-07-2014Building HA Clusters with Ansible and Openstack
11-07-2014OpenVZ/Proxmox - Container to Template
10-07-2014Proxmox VE - One Public IP
06-07-2014CentOS 5 CA Certificate Bundle Update
28-06-2014Traceroute to Smokeping Target config
13-06-2014Simple keepalived failover setup on Ubuntu 14.04
11-06-2014Build a FreeBSD 10.0-release Openstack Image with bsd-cloudinit
11-06-2014OSSEC 2.8 Server, Client, Web UI and Analogi Dashboard Installation tutorial
29-05-2014Openstack Horizon installation with SSL on Ubuntu
25-05-2014Openstack Swift Objectstore Access via FTP
19-05-2014Encrypted Duplicity Backups to Openstack Swift Objectstore
03-05-2014IPv6 at Home
28-04-2014Transmission Web on a Raspberry Pi with Arch Linux
17-04-2014FreeBSD 10, Converting from RELEASE to STABLE
14-04-2014Linux software raid, rebuilding broken raid 1
09-04-2014FreeBSD Ports: remove config options
07-04-2014OpenSSL: Manually verify a certificate against an OCSP
02-04-2014Chef: overwrite templates in wrapper-cookbooks
01-04-2014Chef: chef_gem vs gem_package and ORDER
14-03-2014OS X: Remove all Apple Remote Dekstop settings
02-03-20143D modeling a real world object in OpenSCAD
23-02-2014KVM add disk image or swap image to virtual machine with virsh
16-02-2014KVM convert qcow2 disk images to raw disk images for performance
15-02-2014KVM host with bonding and VLAN tagged Virtual Machines setup on Ubuntu 12.04
14-02-2014Bonding NIC Teaming on Ubuntu 12.04
05-02-2014Install extra software in the VMWare vCenter Appliance (VCSA)
04-02-2014OpenSSL: Get all certificates from a website in plain text
03-02-2014OCSP Stapling on Apache
03-02-2014OCSP Stapling on nginx
01-02-2014haproxy: intercept all cookies and set secure attribute
30-01-2014Check if passwordless sudo can be used in a bash script or nagios check
18-01-2014Remove unused CentOS/Red Hat kernels
13-01-2014rc.local support on Arch Linux with systemd
06-01-2014Ansible Inventory from VMWare
30-12-2013Bash Bits: Simple command line arguments
29-12-2013Ansible - Playbook Testing
27-12-2013Local W3C HTML5 Validator Server
22-12-2013Ansible - Only do something if another action changed
21-12-2013Ansible - Sudo sometimes
18-12-2013haproxy: client side ssl certificates
15-12-2013Apache access/error log to syslog
15-12-2013Back Up Thunderbird Message Filters
13-12-2013Install nmap 6.40 on Ubuntu 12.04
12-12-2013haproxy: set specific ssl ciphers
11-12-2013haproxy: add strict transport security or any other http header
10-12-2013haproxy: ssl backends
09-12-2013haproxy: redirect to ssl or other website
29-11-2013ntop-ng 1.1 installation on Ubuntu 12.04
20-11-2013Corosync Pacemaker - Execute script on failover
19-11-2013DigitalOcean Sucks. Use DigitalOcean!
17-11-2013NoPriv.py - Easy IMAP Email Backup.
09-11-2013Self Hosted CryptoCat - Secure self hosted multiuser webchat
02-11-2013Corosync Notes
28-10-2013Remove unused Ubuntu kernels
25-10-2013Install the latest ZNC from source on Ubuntu
15-10-2013Set up your own truly secure, encrypted and shared file synchronization, aka Dropbox clone
09-10-2013OpenSSL One liner to create self signed certificate
08-10-2013Chef: search in recipe based on roles or recipes
06-10-2013Chef: include_recipe only_if or not_if
01-10-2013Uninstall and Remove OSSEC
21-09-2013Bash Bits: Check if item is in array
18-09-2013Bash Bits: Add colour output to your script
15-09-2013Bash Bits: Debug Logging
14-09-2013Bash Bits: Trap Control C (SIGTERM)
07-09-2013OSSEC Server, Client, Web UI and Analogi Dashboard Installation tutorial
03-09-2013OS X - Enable access for assistive devices via the command line
02-09-2013OS X - Applescript to lock date and time preference panel to fix local sudo exploit
01-09-2013IPv4 Address Conversion Tricks
14-08-2013OpenVZ dnsmasq set capabilities failed fix
13-08-2013Bind DNS Query Graph Charts with GNUPlot
08-08-2013Microsoft Exchange / Active Directory Powershell script to notify users of expiring Passwords
30-07-2013Nagios - Hide all hosts in hostgroup
28-07-2013Diffie Hellman Key Exchange Dutch Notes and Example
26-07-2013OpenSSL - Generate Psuedo Random Passwords
24-07-2013My Todo.txt Workflow, including Unison, Todour and Android
24-07-2013Stong SSL Security on Lighttpd
23-07-2013Pass the SSL Labs Test on NGINX (Mitigate the CRIME and BEAST attack, Disable SSLv2 and Enable Perfect Forward Secrecy).
20-07-2013Pass the SSL Labs Test on Apache2 (Mitigate the CRIME and BEAST attack, Disable SSLv2 and Enable Perfect Forward Secrecy).
10-07-2013OS X: Disable Notification Center
29-06-2013bdsh - Whitelist Restricted Shell
27-06-2013Strip all non-ascii characters from a file
27-06-2013Samba Shares with Active Directory Login on Ubuntu 12.04
26-06-2013Bash Incremental History Search / Autocomplete
19-06-2013Dogtag / Red Hat Certificate System reset admin pkiconsole password
13-06-2013Ejabberd SSL Certificate
12-06-2013Ejabberd Active Directory LDAP Login
11-06-2013Set up a federated XMPP Chat Network with ejabberd, your own Google Talk Hangouts alternative
04-06-2013OS X - Turn Bonjour off or on via the command line
03-06-2013OS X - Turn off sleep from the command line
02-06-2013OS X - Create Hardware report SPX and save it to a AFP share
28-05-2013Gitlab Active Directory LDAP Authentication
10-05-2013OS X: Turn firewall on or off from the command line
09-05-2013Exchange 2007 and 2010 Autodiscovery DNS SRV record for BIND
08-05-2013Hide or determine BIND version number
06-05-2013Nagios plugin to check an OCSP server
03-05-2013Nagios plugin to check Safenet HSM
02-05-2013Nagios plugin to check CRL expiry in minutes
02-05-2013Join Mac OS X to an Active Directory / OpenDLAP directory from the commandline
13-04-2013HP ILO - Quickly gather ILO version and firmware information via CURL
12-04-2013Munin plugin to show Logstash/Kibana messages per hour
09-04-2013Set up a Collectd client
09-04-2013Set up a Collectd server with web frontend
04-04-2013NGINX: Proxy folders to different root
30-03-2013Silent unatended apt-get upgrade
23-03-2013Ansible - sudoers safety and sanity checking in playbook
13-03-2013NGINX: Catch all error codes
13-03-2013NGINX: Hide / Block .git and .svn folders
09-03-2013Ansible - pure ssh based configuration management and deployment
09-03-2013Hosted Piwik
09-03-2013Screenfetch installation tutorial
08-03-2013Better Cron env and shell control with the SHELL variable
07-03-2013Word occurrence counter and analyzer
27-02-2013Create a VMWare ESXi 5 5.1 5.5 USB install disk
15-02-2013Basic website and database backups with Duplicity
10-02-2013Systemd rosetta / cheatsheet
09-02-2013OpenSSL match certificate and private key
09-02-2013OpenSSL Generate CSR non-interactive
02-02-2013Munin - Fix MySQL plugin on Ubuntu 12.04 and Debian 6
31-01-2013Munin - Set up the NGINX status plugin on Ubuntu 12.04
28-01-2013Exploring /proc/ - tips and tricks for the procfs
23-01-2013Fix CentOS IPTables rule saving (iptables: Saving firewall rules to /etc/sysconfig/iptables: /etc/init.d/iptables: line 274: restorecon: command not found)
23-01-2013OpenSSL one liner to get expiry date from SSL Certificate of any website
20-01-2013Restrict SSH
17-01-2013RT (Request Tracker) - find and delete big attachments
15-01-2013Install python 2.7 or 3 under Debian 6
01-01-2013Ruby script to upload or convert a Maildir Inbox to an IMAP server
21-12-2012Python script to monitor a file for changes and then mail the report with the file attached.
19-12-2012Exchange 2010 - OWA - Lock user after x amount of failed logins
12-12-2012Restore iptables rules after a reboot on debian
11-12-2012CIDR Cheatsheet
11-12-2012Resize OS X Mountain Lion installer to fit on a single layer 4.7 GB DVD
08-12-2012Munin optimization guide for Debian (rrdcached, tmpfs, ionice and nice)
05-12-2012Set OS X hostname from the commandline
01-12-2012ClamAV installation and daily scan + report on Ubuntu
24-11-2012Limit access to openssh features with the Match option
08-11-2012Set up your own distributed, redundant, and encrypted storage grid with Tahoe-LAFS
08-11-2012Git-clean
07-11-2012Small low cost linux pc's, an overview from 11-2012
22-10-2012Ray-Mon - PHP and Bash server status monitoring
15-10-2012Codename Geld
06-10-2012ed cheatsheet
05-10-2012Persistent reverse (NAT bypassing) SSH tunnel access with autossh
24-09-2012Nagios plugin to check certificates on local file system
15-09-2012NutsManager
12-09-2012PHP Task/Todo list
09-09-2012Complete word count analysis of Security Now, episode 1 trough 370.
06-09-2012Correctly grep and display the uptime, load average and amount of users
02-09-2012Packages
01-09-2012Tiny Tiny RSS
22-07-2012Wallbase.cc commandline bash wget downloader
09-07-2012Small Operating Systems / Linux Distributions
09-07-2012Postfix snippets - not finished
28-06-2012ProxBash - a bash script to manage Proxmox VE
10-06-2012Ubuntu/Debian update mailer
07-06-2012Terrible Start
16-05-2012Bash - do something in every subdirectory
13-05-2012Bash script to list all changed files in certain period
28-03-2012Set up a local Ubuntu (apt) repository with apt-mirror
12-02-2012NurseCalc o2 - Bash script and online app for Oxygen Calculations
01-02-2012NurseCalc Infuus - Bash script and Online app for infusion and drip (speed) Calculations
01-01-2012Some Bash and Arch Tweaks
27-12-2011MagicProg: Magic the Gathering (RPG/TGC) Life Program
01-09-2011Chrome Extensions for Privacy, Adblocking and anti-tracking
23-06-2011Stopping fail2ban.server : ERROR Unexpected communication error and other errors in fail2ban on ubuntu 9.04
15-06-2011Introduction to DokuWiki
12-06-2011Introduction to Markdown
08-02-2011Tether your Sonim XP3 phone with Linux
15-05-2010What to do if you cannot execute CHMOD
01-01-2010Debian packages clean up commands
01-01-2010NoPriv.py - Easy IMAP email backup to HTML archive.
01-01-2010Customize your Clonezilla Live CD
23-12-2009EasyConverter
26-10-2009SSHdialog
18-05-2009Clonezilla Backup Script v0.2
28-03-2009Postfix: log message from, to and subject
15-02-2009SSH: Key and user restrictions
14-09-2008Bash script for massive rename to numbers
08-07-2008Javascript tricks
15-06-2008Convert FLV's to MP3
09-04-2008Setting up Motion with FTP and Email! support
03-02-2008Bash ja/nee keuze
29-11-2007Imagemagick thumbnailer
01-01-2007Vim Cheatsheet
04-07-2006DRAFT (Re)Building a Metro Cab Simulator part 1
02-01-2006RET Metro Type T SG/2
02-01-2006RET Metro Type M MG/2
02-01-2006RET Metro ZUB
02-01-2006RET Metro ATB
01-01-2006About