This is not an exit Blog

zfs-utils & zfs-dkms update

Error-Message: installing zfs-utils (2.1.4-1) breaks dependency ‘zfs-utils=2.1.3’ required by zfs-dkms 0) Get current installed kernel and check compatibility uname -r 1) Remove the “Ignore these packages on regular upgrade”: in /etc/pacman.conf add [options] #IgnorePkg=zfs-dkms 2) Update zfs-dkms and zfs-utilis simultaneously (when yay calls pacman to install built packages, it does it sequentially.) Use yay -Sa –nodeps zfs-dkms zfs-utils Source: https://www.reddit.com/r/archlinux/comments/tzysyg/installing_zfs_breaks_dependency/...

ABAP 7.4 and beyond

While “ABAP Cloud” and Steampunk is the next big thing… there is modern ABAP available already long time ago. Stay tuned for a new repository, meanwhile check out these resources. Resources: https://www.rheinwerk-verlag.de/abap-to-the-future/ berater-wiki (Neues ABAP ab Release 7.40) SAP styleguides – CleanCode – Modern ABAP Language Elements https://discoveringabap.com/abap-7-4-syntaxes-abap-expressions/ “Modern ABAP” is or should be used in connection with “Clean Code“:...

smartctl

To test HD health using SMART data: https://www.smartmontools.org/wiki/FAQ https://www.thomas-krenn.com/de/wiki/SMART_Tests_mit_smartctl Commands: Test: sudo smartctl -t /dev/sdc Results: sudo smartctl -a /dev/sdc

ABAP Cloud

Collection of Information. More to come… community.sap.com – ABAP Cloud FAQ SAP NetWeaver 7.5 Maintenance Strategy blogs.sap 22.12.2022 – ABAP Cloud blogs.sap 5.9.2022b – Embedded Steampunk – Some more details for ABAP developers blogs.sap 30.09.2021 – Steampunk is going all in ABAPConf 2022 – Steampunk

Test – Code – Refactor – Repeat: A quick look on TDD

Can you spot the difference? Likely i start coding before testing, hell – often i start coding before the requirements are fixed… Code – Requirements – Refactor – GoLive – Test But there is a better way… TDD.

OData by Example

The last blog-posts laid the theoretical foundation for the OData protocol: https://blogs.sap.com/2022/01/22/howto-odata-high-level-overview/ https://blog.daniel-purucker.com/odata-back-to-basics/ Now it’s time for some hands-on. The repository https://github.com/dapuru/odata gives examples for service-usage, implementation with SAP CAP, RAP and Fiori. – updated step by step…

HANA partitioning

General information https://blogs.sap.com/2023/01/06/collected-information-regarding-partitioning-in-sap-hana-with-examples/? 2.1 Mrd records limit: https://blogs.sap.com/2023/01/06/collected-information-regarding-partitioning-in-sap-hana-with-examples/? https://blogs.sap.com/2020/02/09/hana-partitioning-2-billion-rows-limitation-part-ii-bsoh-s-4hana/

OpenSSL 3 f**** up everything

Another arch upgrade, another f**-up. Arch decided to move from OpenSSL 1.1 LTS to 3.0.7-2 breaks a lot in the system – Look at the threads at https://bbs.archlinux.org/viewforum.php?id=44 For me it broke zfs-utils and therefor the succesful mounting of my home-directory. No home – no login… bad The solution, as stated in https://bbs.archlinux.org/viewtopic.php?id=281005&p=2 (totally different software, same issue, same solution):...

OData – Back to basics?

The title is somewhat misleading – but nevertheless it’s a great way to kickstart OData. This are the notes on “Back to basics: OData – the Open Data Protocol” by DJ Adams. For an overview on OData see: SAP Community: Daniel Purucker – Howto OData – High level overview Community-Site: https://community.sap.com/topics/gateway CAP: https://cap.cloud.sap/docs/ OData specification: https://www.odata.org/ MS Learn OData: https://learn.microsoft.com/en-us/odata/...

Linux Init processes – and zfs autoimport

Collection of resources on Linux init-demons. It covers the (historical) demons system V, and upstart, as well as the current one: systemd: see digitalocean.com – How To Configure a Linux Service to Start Automatically After a Crash or Reboot – Part 1: Practical Examples However as stated, systemd is “more than an init daemon: systemd is a framework that encompasses...