The Wiert Corner – irregular stream of stuff

Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for January 21st, 2022

dd on MacOS / OS X with progress report

Posted by jpluimers on 2022/01/21

Since dd on Apple does not support progress parameters via [Wayback] macos dd progress – Google Search:

  • [Wayback] Quick: dd with progress indication on macOS

    A nice way I found to get progress indication whilst still being able to benefit from the huge speed increase in using /dev/rdiskX is to install a tool called pv, also known as [WayBack] Pipe Viewer.

    Example:

    sudo dd if=/dev/rdiskX bs=1m | pv -s 64G | sudo dd of=/dev/rdiskY bs=1m

    Another way to achieve something similar would be to use brew to install coreutils, which will come with a newer version of dd that supports the status option.

    Example:

    gdd if=/dev/diskX of=/dev/diskY bs=1m status=progress

  • [Wayback] el capitan – How can I track progress of dd – Ask Different

    You just need to enter a controlT character from the keyboard while the dd command is executing.

    By pressing the controlT character, you are sending the same SIGINFO signal to the dd command that the command pkill -INFO -x dd sends.

     

    dd itself doesn’t provide a progress bar. You may estimate the progress of the dd copy process by adding a pkill -INFO command though.

    Example:

    dd if=/dev/zero of=/dev/null bs=64m count=1000 & while pkill -INFO -x dd; do sleep 1; done
  • [Wayback] dd progress indicator on OSX

    signal siginfo is coupled to key-combination CTRL-T. No need to use kill, you can just type CTRL-T in the terminal window where dd is running.

–jeroen

Posted in *nix, *nix-tools, Apple, iMac, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook Retina, MacBook-Air, MacBook-Pro, MacMini, Power User | Leave a Comment »

How to change system hostname in SUSE

Posted by jpluimers on 2022/01/21

The proper way is not manually changing /etc/hostname, but running this::

hostnamectl set-hostname host

[Wayback] How to change system hostname in SUSE

Background information in [Wayback] linux – What’s the point of the hostnamectl command? – Unix & Linux Stack Exchange (with a great answer by [Wayback] slm, edited by me for Wayback machine links):

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Posted in *nix, *nix-tools, Linux, openSuSE, Power User, SuSE Linux, Tumbleweed | Leave a Comment »

How I learned that no, l’Hôtel de Ville is not a hotel…

Posted by jpluimers on 2022/01/21

From a while back, in response to Brexit people wanting to have a second home in France but refusing to speak French at all, but basically demanding a second UK in France.

[Wayback] Thread by @jpluimers on Thread Reader App – Thread Reader App / [Archive.is] Jeroen Pluimers on Twitter: “Note that I find French a beautiful, but tough to learn language. This has to do both with dyslexia and autism. I still try. Which leads to odd and humorous situations. 1/… “:

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Posted in About, LifeHacker, Personal, Power User | Leave a Comment »