What Does It Mean to Throttle a Hard Disk?

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Problem scenario
You have read about disk throttling. What does it do?

Solution
Disk throttling is the limiting of I/O activity. Files are often downloaded at an even rate over the network. Batches of writes can happen while throttling read operations. This can allow for interruptions from other OS processes without excessive latency and a consistent user experience. A server’s performance can be improved by putting a cap on disk input/output operations.

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How Do You Troubleshoot “quotacheck: Your kernel probably supports journaled quota but you are not using it.”?

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Problem scenario
You are running a quotacheck command on a Linux system. You get an error “quotacheck: Your kernel probably supports journaled quota but you are not using it. Consider switching to journaled quota to avoid running quotacheck after an unclean shutdown. “

Your /etc/fstab looks like this:

# <file system<mount point<type<options<dump<pass/dev/foo /bar ext4 errors=remount-ro 0 1

What should you do?

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What is Homeostat (or Sleep Homeostat)?

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Question
You have heard the terms homeostat and sleep homeostat. What do these terms mean?

Answer
“Homeostat (Sleep Homeostat): A neurobiologic structure or circuit that is believed to regulate sleep quality and quantity based on the amount and/or quality of prior wakefulness.” (Taken from page 151 of Cognitive Behavioral Treatment of Insomnia by Perlis et al.)

“Blessed are those drowsy ones: for they shall soon nod to sleep.” (Taken from page 38 of Thus Spake Zarathustra (Squid Classics 2017).)

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In GitLab, How Do You Find Only Files (not folders or projects) That Have “foo” in Their Content and Have File Extensions of .bar?

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Problem scenario
You are using the GitLab GUI. You want to find files that end with .bar and have the patter “foo” in the content. How do you find them?

Solution
Use the Search feature. Use this as the search term for a given Group in GitLab (with “Any” for the “Project”):

foo extension:bar

(Do not use “.bar”.)

The source of this is https://docs.gitlab.com.

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What States Have Double Taxation on Income for Remote Workers?

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Problem scenario
“People who work in a state they do not live in may be subject to income tax withholding for both states.” (This quote was taken from https://www.shrm.org/resourcesandtools/legal-and-compliance/employment-law/pages/hybrid-work-legal-challenges.aspx.)

You read that some states make the remote employee pay income tax in addition to other taxes where the employer is located. What states are these?

Answer
Arkansas, Connecticut,

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How Do You Troubleshoot the Error “req: Use -help for summary”?

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Problem scenario
You run a command like this:

sudo openssl req -newkey rsa:2048 -nodes -keyout contint.key -x509 -days 9999 contint.crt

You get this as the output: “req: Use -help for summary.”

What should you do?

Possible Solution #1
Use the “-out” flag between “9999” and “contint.crt”.

Possible Solution #2
Do you have an extra “-new” flag in your command?

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