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fixing chromium crash note
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  sudo touch /etc/chromium-browser/customizations/01-disable-update-check;echo CHROMIUM_FLAGS=\"\$\{CHROMIUM_FLAGS\} --check-for-update-interval=31536000\" | sudo tee /etc/chromium-browser/customizations/01-disable-update-check
 
  sudo touch /etc/chromium-browser/customizations/01-disable-update-check;echo CHROMIUM_FLAGS=\"\$\{CHROMIUM_FLAGS\} --check-for-update-interval=31536000\" | sudo tee /etc/chromium-browser/customizations/01-disable-update-check
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===Chromium freeze/crash fix===
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In spring 2024 one of the kiosks started crashing after displaying only a few slides. I suspect it was a build-up of croft after running continuously for several years.
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The fix was:
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1. do an update/upgrade
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sudo apt update
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sudo apt full-upgrade
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2. get rid of Chromium cache and data
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sudo rm -R /home/pi/.cache/chromium
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sudo rm -R /home/pi/.config/chromium
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3. for good measure, also turn off hardware acceleration in Chrome -> Aettings -> Advanced
    
==Network Connectivity==
 
==Network Connectivity==

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