Author: Daniel

Be a shell-warrior on Windows

1) Make the shell more beautiful Pursuit of happiness – oh my Windows terminal is using: – posh-git – Get-ChildItemColor – Powerline Fonts see also: https://blogs.sap.com/2020/01/03/spice-up-your-windows-terminal/ 2) Install WSL – https://docs.microsoft.com/de-de/windows/wsl/install-win10 – config for zsh: Load the Plugin plugins=(zsh-dircolors-solarized) and setup the theme: setupsolarized dircolors.ansi-dark 3) Install PowerToys and vim – MS Power Toys – Vim 4) Set Aliases for...

An Enterprise Architect’s View on SAP Business Technology Platform

Link to the open.sap course: https://open.sap.com/courses/ea2/ Useful Links mentioned in the course: TOGAF https://de.wikipedia.org/wiki/TOGAF https://www.opengroup.org/togaf SAP Cloud Platform Solution Diagrams & Icons https://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=477829554 SAP Roadmaps https://www.sap.com/products/roadmaps/finder-all.html?sort=title_asc PAM / Upgrade / Maintenance https://support.sap.com/en/release-upgrade-maintenance.html Discovery Center https://discovery-center.cloud.sap

Oh-my-Git

Found a nice interactive game for learning git: https://blinry.itch.io/oh-my-git Sometimes for me it was not clear what’s the mission, but still quiet nice for beginning to get to known git. Useful commands for commits: go to prevoius commit: git checkout HEAD^ go back two commits: git checkout HEAD~2 Useful commands for branches: create a branch called name at current location:...

Google FLoC

To opt out on your site: https://blog.zgp.org/floc-opt-out/ https://plausible.io/blog/ Test: https://securityheaders.com/

Convert images to Webp

1) Install sudo apt install libwebp-dev sudo apt install webp 2) convert cwebp source.png -o target.webp see: https://developers.google.com/speed/webp/docs/using

Howto – LXC in Proxmox

## Things about LXC – LXC is not as separated as VMs – LXC only emulates the OS (not the hardware layer) which makes is fast – Techniques used behind the scenes are cgroups and namespaces – …thus only Linux guests are possible – LXC emulates an OS, whereas “Docker containers are restricted to a single application by design.” (“Container...

ZFS – Good to know

## Links:https://ruvi-d.medium.com/zfs-on-ubuntu-20-04-lts-53728f3bc9e9 https://wiki.ubuntu.com/Kernel/Reference/ZFS https://jrs-s.net/2016/09/15/zfs-snapshots-and-cold-storage/ https://didrocks.fr/2020/05/26/zfs-focus-on-ubuntu-20.04-lts-zsys-general-presentation/ https://wiki.archlinux.org/index.php/ZFS ## on Linux install ZFS on Linux > sudo apt install zfsutils-linux ## Commands: ### List the Pools > zpool list ### Unmount Pool/Dataset > zfs unmount <pool>/<dataset> ### Show parameters of pool > zpool get all <pool> ### List the DataSets > zfs list ### Create a Pool (easy/test) > zpool create -f...

tmux – Good to know

Why tmux? 1) Because it makes life easier: https://opensource.com/article/20/5/split-terminal 2) Because it’s beautiful: [tmux] is my WM on OS x from unixporn For a beginners guide see: https://www.hamvocke.com/blog/a-quick-and-easy-guide-to-tmux/ https://www.golinuxcloud.com/tmux-commands/ Cheat-Sheet: use “prefix key” “Ctrl + a” (changed in my config, standard is “Ctrl + b”), release, then press “command key”. You can get help with: “prefix kex” + ? command...

Markdown Cheatsheet

Some Templates for most common markdown syntax: Links [Description](link) Images ![alt text](image.png) Table | Col1 | Col2 | Col3 | | —- |:—–:| —-:| | | | Blockquote < Code `code` Fenced Code { Block of Code } Horizontal Rule — Footnote Here’s a sentence with a footnote. [^1] [^1]: This is the footnote. Formatting Header: # Bold: ** Italic:...

Apache2 https and .htaccess Rewrite Engine

Problem: After installing Apache2 some local site, which has a .htaccess-file cannot be opened, and shows the error message: “Internal Server Error. The server encountered an internal error or misconfiguration and was unable to complete your request.” The logfile /var/log/apache2/error.log says “/path/.htaccess: Invalid command ‘RewriteEngine’, perhaps misspelled or defined by a module not included in the server configuration”. .htaccess has...