mfz.github.io

Recent posts

Jun 15, 2022
Logging into singularity instance using ssh —

Sometimes we want to connect into a singularity instance using ssh. For example, when setting up a pseudo-distributed environment, Hadoop tries to ssh into the pseudo nodes to start up the services.

The way to achieve this is to install a sshd within the container, and specify a different port than 22 (as this is used by the host).

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Dec 5, 2021
Using iMac bluetooth keyboard and mouse in Ubuntu (20.04 LTS) —

How to use an iMac’s bluetooth keyboard and mouse after wiping out MacOS and setting up Ubuntu.

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Dec 1, 2021
Installing Ubuntu 20.04 LTS on iMac with safe graphics —

Problem: On iMac 2009, Ubuntu 20.04 can boot from USB in safe graphics mode, but after installation it only shows black screen

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Nov 27, 2021
Pasting image from clipboard into org-mode —

How to paste an image from the clipboard into an Emacs org-mode buffer. Requires `xclip` to be installed.

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Nov 25, 2021
Replicating a conda environment in singularity —

How to replicate a conda environment in a singularity container, and automatically activate the environment on startup.

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