Markdown sources for all the cheat sheets found at https://lzone.de/
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Using the devhelp cheat sheet installer you can easily download all cheat sheets from this repo (and others) for offline searching with GNOME devhelp.
Automation
| Ansible
| Automation
| Chef
| IT-Ops
| Jinja
| Mcollective
| Monitoring
| Puppet - Hiera
| Puppet
| SaltStack
| Swagger
| Terraform
CICD
| ArgoCD
| CI-CD
| Gerrit
| Git
| Github
| Gradle
| JFrog CLI
| Jenkins Docs
| Jenkins Pipeline DSL
| Jenkins
| JenkinsX
| Maven
Cloud
| ARM
| AWS Lamba
| AWS
| Azure Devops
| Azure
| Cloud
| KVM
| LXC
| OpenNebula
| OpenVZ
| S3
| VM Tuning
| Vagrant
| VirtualBox
| Xen
| packer
Container
| Buildah
| Container Orchestration
| Container
| Docker Compose
| Docker Swarm
| Docker
| Dockerfile
| Podman
| runc
DevOps Linux
| Architecture
| DBUS
| DKMS
| DRBD
| DXVK
| Debugging
| DevOps Linux
| Filesystem
| GPG
| Grub
| IPMI
| Kernel Tracing
| LVM
| Linux-Commands
| Linux-HA
| Linux-Sysadmin
| Linux-Virtualization
| PKI
| Packaging
| Partitioning
| Printing
| RAID
| Solaris
| X11
| auditd
| cgroups
| kerberos
| mokutil
| nohup
| perf
| screen
| socat
| sops
| strace
| sudo
| systemd
| systemtap
| ulimit
| vi
DevOps Services
| Apache
| Ceph
| Consul
| CouchDB
| Couchbase
| ElasticSearch
| F5
| GlusterFS
| Graphite
| Java
| Kafka
| MongoDB
| MySQL
| NFS
| Nodejs
| OAuth
| PgBouncer
| Postgres
| RabbitMQ
| Redis Sentinel
| Redis
| Samba
| Splunk
| Squid
| Tomcat
| Webserver
| Zookeeper
| etcd
| etcdv2
| htaccess
| memcached
| nginx
| sqlite
Languages
| CSS
| Dev-Misc
| GCC
| JSONPath
| Languages
| Linting
| Linux HTML Widgets
| PHP
| Perl
| Ruby
| SQL
| Syndication
| Vala
| XPath
| XSLT
| YAML
| autotools
| gdb
| meson
Network
| Linux-Networking
| Mail
| Network
| SMB
| SSH
| curl
| iptables
| mDNS
| netfilter
| rsync
| tcpdump
| unbound
Packaging
| Bower
| Conan
| Ruby Bundler
| apt
| cargo
| dpkg
| flatpak
| gem
| golang
| gradle
| maven
| npm
| pip
| rvm
| snap
| yum
| zypper
Scripting
| APIs
| Bash Associative Array
| Bash Functions
| Bash Regex
| Bash
| Images
| Locking
| Scripting
| Shell-Scripting
| awk
| ffmpeg
| jq
| sed
| zenity
Security
| AppArmor
| HTTPS
| Incident Handling
| OpenSCAP
| OpenSSL
| Package Vulnerabilities
| SELinux
| SIEM
| SSL-Certificates
| Security Auditing
| Security-News-Feeds
| Security
Solutions
| SaaS Dev Tools
| Service Architecture
| Solutions Automation
| Solutions Loadbalancing
| Solutions Monitoring
| Solutions NoSQL
| Solutions Virtualization
| Status Pages
Windows
| PowerShell
| WSL
| netsh
| registry
| wmic
kubernetes
| Helm Templates
| Helm
| Minikube
| Minishift
| Openshift
| PKS
| Prometheus
| kops
| kubectl
| kubernetes ConfigMap
| kubernetes DNS
| kubernetes StorageClass
| kubernetes
| nginx-ingress
Glib Examples
| GObject
| Glib GRegex
| Glib Testing
| Glib XDG Migration
| Glib
Go Examples
| Go Struct
Javascript Examples
| GraphQL
| Handlebars
| Javascript Frameworks
| Javascript RegExp
| Javascript void0
| React PropTypes
| React
| d3js
PHP Examples
| PHP Arrays
| PHP curl_setopt
| PHP date
| PHP explode
| PHP file_get_contents
| PHP implode
| PHP in_array
| PHP ini_set
| PHP preg_match
| PHP preg_replace
| PHP str_replace
| PHP stripos
| PHP strpos
| PHP strripos
| PHP strrpos
| PHP ternary operator
| PHP unserialize
Python Examples
| PyGI GStreamer
| PyGI GnomeKeyring
| PyGI GtkStatusIcon
| Python Dictionary
| Python Syntax
| Python argparse
| Python re.match
| Python re
| Python re.sub
| Python simplehttpserver
| Python split
| Python string concat
| Python subprocess
| Python
Regex Examples
| Perl Regex
| Regex Overview
| Ruby Regex
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent