Linux binary no longer works on older supported platforms

[ramereth]

Since 2.3.0, it appears that the Linux binary build no longer works on older supported platforms. For example, this is what it looks like on CentOS 7:

vagrant --help
/tmp/.mount_vagranFQ6npf/usr/bin/ruby2.7: /lib64/libcrypt.so.1: version `XCRYPT_2.0' not found (required by /tmp/.mount_vagranFQ6npf/usr/lib/x86_64-linux-gnu/libruby-2.7.so.2.7)
/tmp/.mount_vagranFQ6npf/usr/bin/ruby2.7: /lib64/libm.so.6: version `GLIBC_2.29' not found (required by /tmp/.mount_vagranFQ6npf/usr/lib/x86_64-linux-gnu/libruby-2.7.so.2.7)
/tmp/.mount_vagranFQ6npf/usr/bin/ruby2.7: /lib64/libc.so.6: version `GLIBC_2.28' not found (required by /tmp/.mount_vagranFQ6npf/usr/lib/x86_64-linux-gnu/libruby-2.7.so.2.7)
/tmp/.mount_vagranFQ6npf/usr/bin/ruby2.7: /lib64/libc.so.6: version `GLIBC_2.25' not found (required by /tmp/.mount_vagranFQ6npf/usr/lib/x86_64-linux-gnu/libruby-2.7.so.2.7)
/tmp/.mount_vagranFQ6npf/usr/bin/ruby2.7: /lib64/libc.so.6: version `GLIBC_2.27' not found (required by /tmp/.mount_vagranFQ6npf/usr/lib/x86_64-linux-gnu/libruby-2.7.so.2.7)

I assume something changed in how vagrant was built and was possibly built on a newer platform which uses a newer version of glibc. I had similar problems with the following OS platforms which are still supported upstream:

• CentOS 7
• CentOS Stream 8 / Rocky Linux 8 / Alma Linux 8
• Debian 10
• Ubuntu 18.04

Ideally, you should build on CentOS 7 which has the oldest glibc and would provide backwards compatibility to all of the other platforms. It's still supported upstream until June 2024 so it's a good choice for now.

Vagrant version

2.3.0 (binary version)

Host operating system

CentOS 7

Guest operating system

n/a

Vagrantfile

n/a

Expected behavior

Linux binary to be backwards compatible to currently supported OS distributions

Actual behavior

Binaries are linked on a newer glibc, thus making it unusable on some older supported platforms.

[chrisroberts]

Hi!

I had to bump the base ubuntu version we build the appimage on to get a Ruby 2.7 package. I'll look at adding a custom Ruby build to the process and rolling back to the previous ubuntu version for the next release. For now, the rpm package in the 2.3.0 release should be usable.

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