Read the statement by Michael Teeuw here.
Magic Mirror will not boot but Pi will, Cache issue?
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@sdetweil do a df -k
it will give u a quick look at used disk space/dev/root 30358348 6863684 22210168 24% / -
Screen Shot 2019-12-30 at 10.58.00 AM -
@tkaauf32 ok, disk is full…
the du thing above should give u a clue where…
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Screen Shot 2019-12-30 at 11.00.55 AMSo this is what that displays. And I really don’t understand why it is taking up so much space because it worked previously. I don’t know what to remove to give more space?
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@tkaauf32 thats only of your home folder… usually not a problem
notice I had /
du -a / 2>/dev/null | sort -n -r | head -n 10 -
Okay so after typing correctly (my apologies, im not very savvy in this)
Screen Shot 2019-12-30 at 11.04.44 AM
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@tkaauf32 change head -n 10 to -n 20
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I hope you can decipher this haha
Screen Shot 2019-12-30 at 11.04.44 AM -
@tkaauf32 need with head -n 20, to give more lines of output
/opt/Wolfram is taking a bit of space
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@sdetweil I pasted the wrong image. Thanks for your patience with me
Screen Shot 2019-12-30 at 11.25.35 AM -
@tkaauf32 its not the logs… not even showing in the top 20.
that /opt/Wolfram is taking 16.7 % or disk space (1146764/6846289)
/usr/lib & share is taking 53%
I would guess that your memory card is too small…what size is it?
what did u add last? -
@sdetweil I guess I need to delete the wolfram. I’m using an 8GB but I have’t manually changed anything so I’m surprised that it doesn’t work anymore. Maybe the logs put it over the edge.
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@tkaauf32 logs are pretty small… do the du /var/logs | sort | head thing, just on the logs folder…
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@sdetweil Permission denied. Also tried it with /logs and /log. /log says “is a directory” and the latter says permission denied
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@tkaauf32 so, all the space is used IN the /var/log folder itself, not subfolders…
but 13040 is a tiny 0.1% WAY below the critical threshold… (if u are over 80% used, you are in trouble)
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@sdetweil said in Magic Mirror will not boot but Pi will, Cache issue?:
o
I don’t know what that means haha
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@tkaauf32 said in Magic Mirror will not boot but Pi will, Cache issue?:
I don’t know what that means haha
the du command dumps out blocks used, and does it by folder.
in the last screenshot, there are 13040 blocks used for the entire /var/log subtree
there are 6846289 blocks of space on the memory card disk volume… so, divide(13040*100) by 6846289 to get the percentage used = 0.19046815%
in system design, if u ever got over 80% used of the total capacity (memory, cpu, disk space), the system is in danger of failure ‘soon’… (I am a long time (45 yrs) computer system solution designer)
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@sdetweil I’m just curious how you think it went over 80% total capacity? Will this continue to happen over time? Or should i just buy a 16gig SD and it will likely solve the issue?
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