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Posts
HowTo - Split PDFs in separate files
# all pages as separate files $ pdfseparate input.pdf output-page%d.pdf # page 1-5 as separate files $ pdfseparate -f 1 -l 5 input.pdf output-page%d.pdf ...
k8s - HowTo - RBACs (WIP)
Definition RBAC - Role Based Access Control <SUBJECT> - “who wants access” Users are global humans processes that live outsi...
GIT - Howto reset a single file
Overview This is a HowTo for resetting a single <FILE> to a point of time of a <OLD-COMMIT>-ID.
HowTo - Convert Audible Files (aax) to mp3
Prerequisites audible-activator AAXtoMP3 install the programms from above in the prefered way for you system. Let’s get started Get “AUTHCODE” from ...
Video - Key to SRE
Excerpt (WIP) define written SLAs, SLOs for every service (and measure it!) Use error budgets as your launch criterea teams are self-policing - becaus...
VScode Cheatsheet / Hacks
Overview This is a Cheatsheet for some VScode hacks Prerequisite vscode Cheatsheet # Edit all occurences - Select text - [CTRL] + [SHIFT] + [L] # Mult...
GIT - copy files from other branch
Overview This is a HowTo for copying files from a <SOURCE-BRANCH> into the current one. Prerequisite git Do it checkout the <CURRENT-BRANCH>...
GIT - open PR with CLI
Install Tool “hub” e.g. for ARCH Linux: yay -S hub SSH instead of git protocol $ git config --global hub.protocol ssh Open PR on Github hub pull-request ...
DOCKER - Use system’s resolver in dockerized NGINX
NGINX config Template nginx.conf.tmpl http { server { resolver $NAMESERVER valid=10s; [...] } } } Docker Entrypoint Use DNS server from D...
Changelog best practice
Links https://keepachangelog.com/en/1.0.0/#how
HOWTO - Install SnapScan S1300 Driver on Linux
Overview This is a HowTo for installing the Drivers of a Futjisu SnapScan S1300 document scanner on Linux (e.g. ArchLinux) Prerequisite sane is instal...
FIX - VScode terminal font issues
Problem I had the issue by using oh-my-ZSH with powerline fonts, that some chars are not rendered correctly in the VScode integrated Terminal Solution
K8s - activate ingress controller for minikube
Overview Make service from an K8s available to the outside world via an Ingress Controller (here nginx) Prerequisite minikube is installed and started ...
GIT - colored log with graph
Overview Colored output of the git log with a (kind of) graph Prerequisite git HowTo git log --graph --decorate --pretty=oneline --abbrev-commit
GIT - clone all repos at once
Overview This is a HowTo for batch cloning all Repos of an User / Organization at once. Prerequisite having an <API-TOKEN> on Github for private Re...
SAILFISH - borg backup
Overview This is a HowTo for installing & setting up borg backup on a Sailfish device. (in my case: a Sony Xperia XA2 ) Prerequisite wget should be i...
GIT - autosign commits with GPG key
Overview This is a HowTo for setting up git for signing your commits auto-magic-ly with your GPG key. Prerequisite having a GPG-Key Do it get GPG key I...
ZSH
https://github.com/robbyrussell/oh-my-zsh https://stackoverflow.com/questions/28491458/zsh-agnoster-theme-showing-machine-name
ZSH for Mac
Link: http://sourabhbajaj.com/mac-setup/iTerm/zsh.html ##
VBOX - use a physical harddrive as disk
Links https://web.archive.org/web/20180403231016/https://www.serverwatch.com/server-tutorials/using-a-physical-hard-drive-with-a-virtualbox-vm.html htt...
Tunneling / Port Forwarding
Introduction 1. local: -LSpecifies that the given port on the local (client) host is to be forwarded to the given host and port on the remote side. ss...
Tools
lens: https://github.com/lensapp/lens GUI for k8s clusters bat: https://github.com/sharkdp/bat a cat clone with syntax highlighting Gatlin: https:/...
Terraform
Tools: Terraforming: https://github.com/dtan4/terraforming create terraformfiles from existing Setup for “Reverse” Engineering an alread...
SALT - Pillars
Weblinks https://github.com/saltstack/salt/issues/32144
install salt with salt-ssh
Weblinks http://bencane.com/2016/07/19/using-salt-ssh-to-install-salt/
SALT - Highstate as scheduled job (config pull)
folgendes in die <minion-config> eintragen: schedule: highstate: function: state.highstate minutes: 60 Weblinks https://docs.saltstack...
SALT - custom header in files und directories
Weblinks http://russell.ballestrini.net/add-a-custom-header-to-all-salt-managed-files-using-pillar-and-jinja-templates/
RPI - Sensoren
DHT11 / DH22 - Luftfeuchtigkeits-, Temperatur Sensor http://www.uugear.com/portfolio/dht11-humidity-temperature-sensor-module/ https://www.amazon.de/IZ...
RPI - Multiroom-Audio (synchron)
Volumio (mpd) + SpotifyConnect +Snapcast(+ Shariplay) (geht bestimmt auch mit RuneAudio) Features Multiroom-Wiedergabe (synchrone Wiedergabe auf mehreren L...
RPi - Multiroom Audio Server
(datt Ding, wo die Musik reinkommen tut…) Voraussetzung Volumio ist installiert Software nachinstallieren sudo apt-get update sudo apt-get install bu...
RPi - Multiroom Audio Client(s)
(die Dinger, wo die Musik rauskommen tut…) Voraussetzung raspian (Debian 8 minimal) optional: Filesystem vergrößern: apt-get install raspi-config ra...
RPI - GPIO Layout
Links https://www.raspberrypi.org/documentation/usage/gpio/ http://raspberrypiguide.de/howtos/raspberry-pi-gpio-how-to/ https://de.pinout.xyz/ ht...
RPI - Breadboard
Links https://tutorials-raspberrypi.de/raspberry-pi-gpio-erklaerung-beginner-programmierung-lernen/ https://www.datenreise.de/raspberry-pi-wie-verwen...
RPI - Accessoires
RPI - Accessoires https://www.amazon.de/Widerstand-Sortiment-EFANTUR-Stk-Widerst%C3%A4nde/dp/B077VJFF2N/ref=pd_sim_107_5?_encoding=UTF8&psc=1&ref...
RPG - Online Char Sheet
Websites, Online Generators for RPG Character Sheets Links: https://github.com/zombieFox/awesomeSheet
SSH - Proxies und Jumphosts
Passing through a gateway or two A useful trick is „ssh -tt“ which forces tty allocation, so instead of the above you can do the following, connecting to ...
OSX - tinc
Links https://github.com/kites/kites-tinc https://wiki.hamburg.ccc.de/ChaosVPN:MacOSXHowto https://www.tinc-vpn.org/examples/osx-install/
OSX - install on a bootable USB Stick
Download “Install macOS High Sierra.app” from Appstore. it’s Stub File that must download the install data during the install process ...
OSX - encfs
Links https://www.maketecheasier.com/install-encfs-mac/ https://www.maketecheasier.com/mount-encrypted-folder-mac-os-x-encfsgui/
OpenShift
Links https://blog.openshift.com/understanding-service-accounts-sccs/ https://blog.openshift.com/getting-any-docker-image-running-in-your-own-openshift...
OC - Cheat-Sheet
oc adm policy add-scc-to-user anyuid <USER> Links https://blog.openshift.com/getting-any-docker-image-running-in-your-own-openshift-cluster/
NIX - install on Mac
Links: https://robots.thoughtbot.com/install-linux-on-a-macbook-air#what-is-nixos
Minishift
Cheat-Sheet minishift addons enable anyuid # Changes the default security context constraints to allow pods to run with arbitrary UID. minishift ...
MATRIX - reset password (synapse)
SQLite <user>@<host>:/# /usr/local/bin/hash_password Password: Confirm password: $2a$12$q...sp3m <user>@<host>:/# sqlite3 /<PA...
Linux Perfomance analysis
Links https://web.archive.org/web/20170606112846/http://www.brendangregg.com/Slides/LinuxConEU2014_LinuxPerfTools.pdf
HOWTO - Gitbook - build static page
Voraussetzungen … Build Hierbei wird eine Statische Seite im Unterordner docs erzeugt. cd <PATH-TO-GITBOOK>/ # Wechsel ins Verzeichnis gitbo...
GITHUB - Pages
http://www.stephaniehicks.com/githubPages_tutorial/pages/github-intro.htmlhttp://www.stephaniehicks.com/githubPages_tutorial/pages/github-intro.html gh-...
GIT-Magic
Links https://pgi-jcns.fz-juelich.de/pub/doc/git_gitflow.pdf https://gist.github.com/MoOx/64010ce5847276159018794352b8c987 https://matthiasnoback.nl/...
GIT - Sync Fork from upstream Repo
Add the Remote Upstream Repository git remote add upstream [Upstream git URL] Fetch the Upstream Branches git fetch upstream Merge Upstream Changes int...
GIT - Subtrees
Setup git remote add <MY-SUBTREE> git@github.com:<USER>/<SUBPOJECT>.git git subtree add --prefix=<MY-SUBTREE>/ <MY-SUBTREE> ma...
GIT - Rebase (squashing)
When branching off of master or development the changes need to be merged back into the original branch. Let’s say you based your changes on the development...
CI - Publish to Github Pages
Links https://github.com/serde-rs/serde-rs.github.io/issues/7 https://stackoverflow.com/questions/23277391/how-to-publish-to-github-pages-from-travis-c...
GIT - Forking
Links: https://help.github.com/articles/syncing-a-fork/ https://help.github.com/articles/merging-an-upstream-repository-into-your-fork/ https://gist....
GIT - force pull to overwrite local files
git fetch --all git reset --hard origin/master git pull origin master
GIT - Create a new Branch with no history
this creates a <NEW_BRANCH_NAME> from the current branch, with the last commit as the only commit. (no history) git branch <NEW_BRANCH_NAME> $(e...
GIT - configure upstream repo for a Fork
Links: https://help.github.com/articles/configuring-a-remote-for-a-fork/ https://medium.com/sweetmeat/how-to-keep-a-downstream-git-repository-current-w...
GIT - Cherry-Pick
Links: http://think-like-a-git.net/sections/rebase-from-the-ground-up/cherry-picking-explained.html
GIT - alle remote Branches holen
for remote in `git branch -r`; do git branch --track ${remote#origin/} $remote; done
Encrypted remote backups with SSHFS and LUKS
Links https://ruderich.org/simon/notes/encrypted-remote-backups https://security.stackexchange.com/questions/61104/encrypted-offsite-storage-using-sshf...
DOCKER - SSH and Gogs
Links: https://web.archive.org/web/20161017143411/http://www.ateijelo.com/blog/2016/07/09/share-port-22-between-docker-gogs-ssh-and-local-system
DOCKER - save vs. export
Link: https://web.archive.org/web/20170625175849/http://tuhrig.de/difference-between-save-and-export-in-docker/
DOCKER - minimum image
Links: https://blog.cloud66.com/how-to-create-the-smallest-possible-docker-image-for-your-golang-application/
DOCKER - Logging
Logspout Log forwarder which can use the docker socket https://github.com/gliderlabs/logspout
DOCKER - Cheatsheet
deletes old containers and images docker ps -a | grep "Exit-Created" | cut -d ' ' -f 1 | xargs sudo docker rm; docker images | grep "<none>" | awk '{...
Data exfiltration over powerline
https://thehackernews.com/2018/04/hacking-airgap-computers.html
SALT - Creating hashed passwords
salt '*' shadow.gen_password 'I_am_password' salt '*' shadow.gen_password 'I_am_password' crypt_salt='I_am_salt' algorithm=sha256 https://docs.saltsta...
CLI-Magic
commandline magic http://steve-parker.org/sh/quickref.shtml
bind mount
Links https://unix.stackexchange.com/questions/198590/what-is-a-bind-mount
AEM - Adobe Experience Manager (6.3)
Collection of curl commands. User Management Change (Admin-)Password: you’ll need jq for this… #!/bin/sh # get USER_PATH from specific user - this diffe...
CLI - Zufallszahlen in der Shell
Umgebungsvariablen:$RANDOM Ausgeben: echo $RANDOM Zahlen zwischen 0 und 99
VM export on VMware Fusion (OSX)
/Applications/VMware Fusion.app/Contents/Library/VMware OVF Tool/ovftool --acceptAllEulas /Users/<USERNAME>/Documents/Virtual\ Machines.localized/<V...
CLI - Top 10 Prozesse anzeigen lassen
die 10 Prozesse mit der meisten CPU-Load anzeigen lassen (sortiert) ps -Ao user,uid,comm,pid,pcpu,tty --sort=-pcpu - head -n 10
CLI - Text highlighten mit grep (ohne zu Filtern)
$ grep --color -E '^|pattern1|pattern2' file name Oder:
CLI - tar mit Progressbar
mit Hilfe von pv mittels du wird die Größe des Verzeichnisses ermittelt tar -cf - . - pv -s $(du -sb . - awk '{print $1}') - gzip > out.tgz
CLI - Suchen und Löschen in der Konsole
Dieses Vorgehen benutzt man, um bestimmte Dateien zu suchen und gleichzeitig auch zu löschen. Allgemeine Syntax: find <dir-name> <criteria> <...
CLI - Suchen und Ersetzen in mehreren Dateien
find /<Pfad>/<Dateien> -type f -exec sed -i '' -e 's/<alter Begriff>/<neuer Begriff>/g' {} \;
CLI - Suchen und Entpacken
find ./ -type f -iname "*.tar.bz2" -exec tar xvjf {} \;
CLI - Suchen in mehreren Dateien
mit grep: grep -r "<SUCHBEGRIFF-IN-DEN-DATEIEN>" /<PFAD-DER-DURCHSUCHT-WERDEN-SOLL> -r - recursive mit find:
CLI - SSH Key löschen
ssh-keygen -f "/PFAD/ZU/.ssh/known_hosts" -R <IP/HOSTNAME>
CLI - Schreibmaschine simulieren
echo "You can simulate on-screen typing just like in the movies" - pv -qL 10 -ql 10- gibt an wieviele Zeichen pro Sekunde geschrieben werden sollen
pfSense - LACP & Jumbo Frames
Problem will man die MTU bei einem LAGG-Interface z.b. auf9000setzen, hat man das Problem, dass die MTU bei den LAGG-Mitgliedern (physiche Interfaces) ni...
CLI - PDFs scannen
PDF-Bearbeitung Mit convert können bspw. gescannte Dokumente als PDF gespeichert werden. Die Befehls-Syntax zum einfachen Speichern einer PNG-Datei im PDF-F...
CLI - pbzip2 - parallel packen
geht schneller verbraucht weniger Platz Einpacken: tar vcf myfile.tbz2 --use-compress-prog=pbzip2 dir_to_compress/ ODER
CLI - OS Version anzeigen
Ubuntu cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=9.04 DISTRIB_CODENAME=jaunty DISTRIB_DESCRIPTION="Ubuntu 9.04"
CLI - nur Dateinamen ausgeben
Folgende CLI Magic ermöglicht es aus einem<OUTPUT>/ einem Dateipfad mit variabler Verzeichnistiefe (z.B./irgend/ein/Pfad/zu/einer/<DATEI>.<END...
NGINX - Random
Proxy-Redirect: https://www.cyberciti.biz/faq/proxy_redirect-change-replace-location-refresh-response-headers/
CLI - create LVM thinprovisioned Volumes
pvcreate /dev/sda vgcreate vg01_bricks /dev/sda lvcreate -l 100%FREE -T vg01_bricks/lv_thinpool ... mkfs.ext4 /dev/mapper/vg01_bricks-lv_thinpool
CLI - Logging im bash skript
folgendes Codeschnipsel am Anfang vom Skript bewirkt, dass die komplette Bildschirmausgabe (auch remote-Sessions) ins Logfile geschrieben wird.
JS - DOM
Links https://wiki.selfhtml.org/wiki/JavaScript/DOM
FreeBSD - Docker
Links: https://web.archive.org/web/20160415212315/http://www.freenas.org:80/blog/docker-done-right/ https://forums.freebsd.org/threads/62198/
FreeBSD - Tinc
Links: https://web.archive.org/web/20170923110343/https://wiki.openbeelab.org/index.php/Tinc
CLI - explainshell.com
Web tool, that uses the manpages, for visualization of shell commands.
CLI - dmesg fortlaufend anzeigen lassen
als user: watch -n 1 'dmesg|tail -n 20'
CLI - dd Progressbar
Problem „Ich will einen Fortschritt bei dd sehen“ „Ich will wissen wie weit dd ist und wie lange es noch dauert *ningl* “ Ursache ddbietet bot früh...
CLI - Zeile mit sed löschen
sed -i '<ZEILENNR.> d' <PFAD-ZUR-DATEI>
CLI - Weather Report in terminal
curl -4 http://wttr.in/<CITY-NAME>
CLI - Renice Process and all child processes
With this “one-liner” you can set the priority of a parent process and all it’s childprocesses at one time.
CLI - GPG
Encrypt text in a file echo "<CLEAR-TEXT>" - gpg --encrypt --sign --armor -r <EMAIL/ID> > <PATH-TO-FILE>.gpg
CLI - fuzzy finder (fzf)
add the following lines to your .bashrc / .zshrc :
CLI - Bash Scripting Grundlagen
Skriptbeispiele. Hier findet Ihr einige Skriptbeispiele aus unseren Trainings und Projekterfahrungen. Mit Bash-Skripten kann man fast alles realisieren, wa...
CJDNS - install on Debian 8
#Dependency apt install nodejs build-essential git cd /opt git clone https://github.com/cjdelisle/cjdns.git cd cjdns ./do ln -s /opt/cjdns/cjdroute /usr/bin...
pets
Lhasa Apso
The Lhasa Apso is a non-sporting dog breed originating in Tibet.
Tabby
A tabby is any domestic cat that has a coat featuring distinctive stripes, dots, lines or swirling patterns, usually with a mark resembling an ‘M’ on its for...
portfolio
Baz Boom Identity
Baz Boom design system including logo mark, website design, and branding applications.
Fizz Bang Identity
Fizz Bang design system including logo mark, website design, and branding applications.
Foo Bar Identity
Foo Bar design system including logo mark, website design, and branding applications.
Ginger Gulp Identity
Ginger Gulp design system including logo mark, website design, and branding applications.
recipes
Chocolate Chip Cookies
A chocolate chip cookie is a drop cookie that originated in the United States and features chocolate chips as its distinguishing ingredient.
Oatmeal Cookies
Oatmeal cookies are a proverbial favorite with both kids and adults. This crisp and chewy cookie is loaded with oats, dried fruit, and chopped nuts.
Peanut Butter Cookies
A peanut butter cookie is a type of cookie that is distinguished for having peanut butter as a principal ingredient. The cookie generally originated in the U...