When the newly flashed Raspberry Pi image is enabled，Chances are you're getting weird apt errors：
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root@raspberrypi:/home/pi# apt install default-jre Reading package lists... Done Building dependency tree... Done Reading state information... Done Package default-jre is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'default-jre' has no installation candidate |
Of course，more than this，Installing any package would be Package xxx has no installation candidate
Solution
Check out your first [crayon-6766acd[……]