A Technical I.T./DevOps Blog
Problem scenario
You want to find a sport or buy shoes that incorporates your legs anthropometry. How do you find the ratio of your tibia’s length to your femur’s length?
Answer
Depending on your style of dress, personal trainers may not be able to guess your femur length. You do have to measure.
How do you measure the tibia (the bone between your ankle and knee) length?
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Continue reading “How Do You Find Your Tibia to Femur Ratio?”
Problem scenario
You see many strong people at the gym lift barefoot. Should you take your shoes off before squatting?
Possible Answer
It is not clear.
These articles give mixed treatment to squatting barefoot (with the top two being fairly favorable to the practice):
https://borntosweat.co/blog/the-benefits-of-barefoot-training-squatting-without-shoes/
Problem scenario
Ubuntu won’t boot. You get “nouveau drm failed to idle channel” upon boot up. What should you do?
Possible Solution #1
Press enter. You should then see a prompt to log in.
Possible Solution #2
Press Ctrl-Alt-F3
Possible Solution #3 (if it does not happen at boot up, but you see a similar message)
See this external posting,
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Continue reading “How Do You Troubleshoot “nouveau drm failed to idle channel” upon boot up?”
Question
You are trying to get a screw to get into a thread. It won’t start. How do you get the screw into the hole you are trying to screw-in?
Answer
Are the screws slightly too big? Did other screws come with the item you are working with? It could be that the screws are not the right ones. Sometimes there are hidden screws in a package or the wrong screws are in package (from a mistaken from the manufacturer).
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Continue reading “How Do You Get Screws to Start Screwing in?”
Problem scenario
You are logged into an e-commerce website or a utility website. When you click log out, the page refreshes. You never really log out (as you are logged back in automatically). What are you doing wrong?
Possible Solution
Close the web browser that does not log you out. Try a different web browser (e.g., use Firefox if a different web browser had the problem).
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Continue reading “How Do You Log Out of a Company’s Website?”
Problem scenario
A car company will not store your car because they have no storage facility. You are getting your car transported across the U.S. How do you find someone to receive your car?
Possible Solution #1
Ask a hotel to receive your car.
Possible Solution #2
Ask a fitness gym with ample parking that is open seven days per week to receive your car.
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Continue reading “How Do You Get Someone to Receive Your Car from a Car Transportation Company?”
Problem scenario
You downloaded and installed Hadoop core (an open source version). But you cannot find the core-site.xml file. (This is for open source Hadoop — not a proprietary version.) What should you do?
Possible Solution #1
Run this:
sudo find / -name core-site.xml
Possible Solution #2
Did you download the installation media with a file “-site” in its name?
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Continue reading “Where Is the core-site.xml File in a Hadoop Installation?”
Problem scenario
You run sudo repquota -a. The results are not reflecting the current block or inode usage. What can you do to fix this incorrect data that is discrepant with what you know is correct?
Solution
Reboot. Note that there are grace periods for exceeding soft limits. But the numbers in the report are not always updated instantaneously.
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Continue reading “How Do You Deal with Inaccurate repquota Results?”
Question scenario
You have read about doxing or doxxing. What does it mean?
Answer
Doxing is the act of publicizing via the internet previously cloaked data about an individual or an organization. It is the unmasking of a formerly anonymous person to identify the target with an embarassing fact or allegation. Controversially connecting a person to something humiliating on a website is doxing.
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Problem scenario
You are logged into Target. You want to log out. You click the “Logout” option, but it does not work. What should you do?
Solution
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