A Technical I.T./DevOps Blog
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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Problem scenario
You are using Linux and, you get an error like “write failed” or “quota exceeded.” What should you do?
Possible Solution #1
Delete files. Has a runaway program created too many files recently?
Possible Solution #2
You may want to run a quotacheck command because the quota statistics have not been updated.
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Continue reading “How Do Troubleshoot “write failed” or “quota exceeded”?”
Problem scenario
You have heard “kube C.T.L.” and “kube-cut-el”. How should you pronouce kubectl?
Answer
We recommend “kube C.T.L.” Source: https://youglish.com/pronounce/kubectl/english?
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Problem scenario
You bought new weightlifting shoes. They seem to tight. They are not comfortable. What should you do?
Possible Solution #1
If only one shoe feels too tight, can you see if the tongue is double-up or folded on one side? By flattening it or unravelling it, that may help.
Possible Solution #2
Can you make the velcro strap connect without as much force and tightness?
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Continue reading “What Can You Do when Your Weightlifting Shoes Are Too Tight?”
Problem scenario
A head lamp bulb needs to be replaced on a car. How difficult is it?
Answer
It is usually fairly easy and does not require tools. Changing blinkers (turn signal bulbs) and headlights is often straight-forward. The bulbs for headlights are smaller than you would think; normally they are much smaller than a typical household lightbulb.
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Continue reading “How Difficult Is It to Change a Headlight Bulb?”
Problem scenario
You have a VIVO sit-stand desk. It says “Er3” on the display. How do you fix this?
Solution
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Continue reading “What Do You Do when Your VIVO Desk Shows “Er3”?”