This is not an exit Blog

OData and SAP

Next of my blog-Posts on community.sap.com is up. This time on the various possibilities of using OData within the SAP ecosystem. Howto OData – High level overview Aim is to get an overview of OData and how it can be utilized in the SAP ecosystem. The following topics are covered: 1) What is Odata? 2) How is this useful in...

apt vs apt-get

Ever wondered what’s the difference between apt and apt-get: How-To Geek: apt vs. apt-get: What’s the Difference on Linux?

Rewriting your git history, removing files permanently

see this great article at https://blog.gitguardian.com/rewriting-git-history-cheatsheet/ Steps: 1) Install newest git version (as git >= 2.22.0 is required) For Ubuntu, this PPA provides the latest stable upstream Git version: add-apt-repository ppa:git-core/ppa apt update; apt install git see: https://git-scm.com/download/linux 2) install git-filter-repo python3 -m pip install –user git-filter-repo 3) Do it – here remove the file git filter-repo –use-base-name –path [FILENAME]...

Matrix

not the movie, but the messenger – self-hosted set up and running Infos: https://matrix.org/ also: samuels-blog.de App: https://fluffychat.im/ Contact me @daniel:matrix.daniel-purucker.com

Privacy Tools – Linklist

www.privacytools.io – Learn how to fight mass surveillance with enryption and privacy tools/ https://blog.sethforprivacy.com/posts/privacy-first-steps/ https://diverter.hostyourown.tools/ Citadel Dispatch e49 – digital privacy tools and strategies with @techloreistaken Details: Yet Another Firefox Hardening Guide Pihole Unbound Recursive DNS

Wireguard

There (are some affiliate) needs a VPN-server in the near future (roadwarrior… not by choice).As my experiences with Wireguard on the EdgeRouterX were not very successful: I’l give it another try on Proxmox. Here we go… – as Wireguard is now part of the kernel it’s super easy (Virt. Maschine, no Container on Proxmox… due to Kernel!). see: https://www.cyberciti.biz/faq/ubuntu-20-04-set-up-wireguard-vpn-server/ and:...

HANA 2.0 & Log4J @Home

Monday to Friday: Log4J @Work Weekend: Log4J @Home 🙂 HANA 2.0: HANA XSA log4j CVE-2021-44228 Ubiquity: UniFi Controller security concern (zero-day Log4j exploit) Docker: https://www.docker.com/blog/apache-log4j-2-cve-2021-44228/ Eclipse https://wiki.eclipse.org/Eclipse_and_log4j2_vulnerability_(CVE-2021-44228) Full List Github – @SwitHak SwitHak/20211210-TLP-WHITE_LOG4J.md Other interesting stuff: https://www.cisecurity.org/log4j-zero-day-vulnerability-response/ https://log4jmemes.com/

SAP HANA 2.0 express edition on Proxmox

I finally finished the blog-post on the HANA 2.0 express edition installation on Proxmox. see SAP Community to read it Can’t wait to do the first release-upgrade 😉

Gitea & Github

1) Setup private Gitea repository (name: origin) .. and push current branch there (default branch is “master”): git remote add origin https://gitea-url/test.git git push -u origin master 2) Add a new branch publish git branch publish git checkout publish 3) Setup public Github repository (name: public) .. and push branch “publish” to this repository called “public” (careful: default branch is...

Git Repository inside other Git Repository

use “Git Submodules” see: https://git-scm.com/book/en/v2/Git-Tools-Submodules Example: > git submodule add https://url/example.git Target-Folder Quote: “Although is a subdirectory in your working directory, Git sees it as a submodule and doesn’t track its contents when you’re not in that directory. Instead, Git sees it as a particular commit from that repository.” (https://git-scm.com/book/en/v2/Git-Tools-Submodules)