Operating Systems

• Linux Networking
• Linux Rename Host
• NetApp - Quick and Dirty Reference
• NixOS
• NUMA & numactl
• OpenBSD IPv6
• OpenBSD Keyboard / Timesettings
• OpenBSD MySQL
• OpenBSD Network Configuration
• OpenBSD nginx & php
• OpenBSD Packages & Ports
• OpenBSD strace
• OpenBSD Users
• pf
• pflow
• Semaphores
• Solaris
• SuSE Cheatsheet
• Swap
• Windows Service Control
• Windows Zeitgeber Dienst
• yum Cheatsheet

Databases

• AWS RDS
• MongoDB Backup and Restore
• MongoDB Cheatsheet
• MongoDB Kernel Tuning
• MongoDB Performance Test
• MongoDB Shard und Replica Sets
• MongoDB Usermanagement
• MSSQL Backup
• MSSQL Logfiles
• MySQL Benutzerverwaltung
• MySQL Binlog Recovery
• MySQL Character Encoding Test
• MySQL Dump Debugging Problem
• MySQL Master Switch
• MySQL Replication
• Oracle
• PHP MySQL
• PostgreSQL
• Redis
• Riak Cheatsheet

Software

• Ansible Cheatsheet
• Apache Solr
• Apache2
• Apache2 Hardening
• Apple TimeMachine
• apt
• Arachni
• auditd
• Augeas
• bc
• beeswithmachineguns
• cloudinit
• cntlm
• Cpan
• CSS
• curl
• cvs
• darcs
• dd
• Dell OMSA
• doas
• Docker
• docker-compose
• Dockerfile
• dpkg
• Dwarf Fortress Braindump
• Elasticsearch
• Emacs Cheatsheet
• erb Templates
• exiftool
• Exim
• fcgi and mpm-worker
• ffmpeg
• find
• Fish
• Foreman
• Git
• gnu-parallel
• Google Hacks
• gpg
• Hadoop Cheatsheet
• Hadoop Upgrade
• herbstluftwm
• Hiera
• Hive
• hugo
• hydra
• ImageMagick
• InfluxDB
• iptables
• IRC
• Java Keytool
• jq
• ktrace
• Kubernetes
• lftp
• LPIC 301 - Cheatsheet
• maildrop
• man
• mdadm Cheatsheet
• mutt
• nc
• NewRelic
• nginx
• Nikto
• Nix
• nmap
• ntp
• Octopress
• OpenLDAP Backend Tuning
• OpenLDAP PAM Auth
• OpenLDAP Queries
• OpenLDAP Replikation
• OpenLDAP Setup
• OpenLDAP Tools
• pdf
• Proxytunnel
• Puppet
• PuppetDB
• Restic
• rsync
• s3cmd
• screen
• sftp
• spdy
• ssh
• SSL/TLS Cheatsheet
• strace
• Sudo
• supervisor
• Swaks
• systemd
• tar + ssh
• tarsnap
• taskwarrior - Recurring Tasks
• Teeworlds
• Terraform
• tmux
• Tomcat Cheatsheet
• Tomcat Global Resources
• Tomcat Security
• update-alternatives
• Vagrant
• vim
• w3af
• weechat
• wget
• Yarn
• zip
• znc

Programming

• awk
• Bash Email Validation
• Bash Time Conversion
• Golang
• gpsbabel
• LaTeX Cheatsheet
• Markdown
• Megabit Meter Anwendungsfälle
• NLTK - Natural Language Text Processing
• pip
• Python
• Python Virtualenv
• R Cheatsheet
• R Graphs
• R JSON
• Random Numbers
• sed
• Statistical Prediction
• Terminal Colors
• trap
• Versionierungs Schemata
• XML Entities

Filesystems

• DRBD Setup
• DRBD-Resize
• Filesystem ACLs
• Filesystem Caches
• Kernel Update Grub Problematik
• Linux Kernel Schedulers
• LVM
• NFS Debugging
• Storage Formatierung
• XFS
• ZFS

AWS

• AWS IAM
• AWS Lambda
• AWS RDS
• AWS S3
• AWS SAM
• Terraform

HowTos

• Debug a File with Tabs
• DNS
• Grub VGA Auflösung
• LACP und Bonding
• Telnet Mail