ubuntu_20_notes
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==== VirtualBox running Ubuntu 20 Notes ==== | ==== VirtualBox running Ubuntu 20 Notes ==== | ||
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+ | __5 Oct 2021__ | ||
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+ | Sometimes trying to boot into Ubuntu 20 from VirtualBox just results in a black screen with blinking cursor. | ||
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+ | I then installed VirtualBox-6.1-6.1.27_147252_test_el7-1.x86_64.rpm and the VM started up. | ||
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+ | * Maybe the VirtualBox RPM just needed to be uninstalled and then reinstalled? | ||
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+ | For all notes below, the new Ubuntu 20 VM has been installed and tested. | ||
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+ | [[https:// | ||
+ | * After following these steps and booting into new kernel, machine would not start | ||
+ | * Booted into old kernel, and ran an update for new packages. | ||
+ | * Had a new kernel not been available, I suspect reinstalling the original kernel that was failing would have fixed the problem | ||
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+ | [[https:// | ||
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+ | [[https:// | ||
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+ | [[https:// | ||
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+ | * Install postfix and choose " | ||
+ | * Accept suggested FQDN | ||
+ | * Don't add another user for / | ||
+ | * For comma-separated list of domains, accept defaults | ||
+ | * Accept defaults for everything else, such as synchronous mail, network blocks, etc. | ||
+ | * Follow rest of instructions | ||
+ | * Send test message | ||
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+ | Disable firewalld on Ubuntu: |
ubuntu_20_notes.txt · Last modified: 2022/02/13 17:02 by juckins