TIL - Today I Learned

Small things I've picked up and want to remember

Inspired by: https://github.com/jbranchaud/til

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Categories

• Conda
• Emacs
• Git
• Macos
• Qsub
• Scripts
• Shell-wrangling
• Sysadmin

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Conda

condacheat.md

Managing environments

• List all environments
• Adding channels
• Create a new environment
• Activating and Deactivating environments
• Updateing an environment from environment.yml file
• Removing an environment
• To clean unnecessary cached files, tarballs, and stuff
• Export the environment

Example of environment.yml file

Set what to show on the command line prompt

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Emacs

emacssheet.md

• Move, Remove and copy text
• Misc

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Git

gitsheet.md

• Change the message of the last commit
• Working with issues connected to progress kanban board

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Macos

macossheet.md

• Disable mouse acceleration
• Keep ssh connections alive

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Qsub

qsubcheat.md

Show stats

• Show all jobs:
• Show load on all queues:

Start and stop jobs

• Kill a job
• Kill a jobs in a range
• Kill all jobs from a user

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Shell-wrangling

shellcheat.md

Datamash

• Transposing a file
• Getting sum of a column

Paste

• Making output into columns

Column

• Make nice columns in csv files and others

Disown foreground processes

Screen

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Sysadmin

sysadmin.md

Troubleshooting ssh-keys

• SELinux issues

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