Canonical will be ending updates for Ubuntu 21.04 on January 20. This gives you a week to upgrade your systems to Ubuntu 21.10 before they become unsafe to use and vulnerable to malware.
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uname
$ uname -a
Darwin macbook.local 20.4.0 Darwin Kernel Version 20.4.0: Thu Apr 22 21:46:47 PDT 2021; root:xnu-7195.101.2~1/RELEASE X86 64 x86 64
$ lima uname -a
Linux lima-default 5.11.0-16-generic #17-Ubuntu SMP Wed Apr 14 20:12:43 UTC 2021 x86 64 x86 64 x86 64 GNU/Linux
$ LIMA INSTANCE=arm lima uname -a
Linux lima-arm 5.11.0-16-generic #17-Ubuntu SMP Wed Apr 14 20:10:16 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
Sharing files across macOS and Linux
$ echo files under /Users on macOS filesystem are readable from Linux > some-file
$ lima cat some-file
files under /Users on macOS filesystem are readable from Linux
$ lima sh -c echo /tmp/lima is writable from both macOS and Linux > /tmp/lima/another-file
The brand new release of Ubuntu 21.04, the Hirsute Hippo, will be released today, April 22, 2021. It’s an interim release of the popular Linux distribution, with only nine months of support from Canonical. So is it worth upgrading to?