Linux kernel is backward compatible. Linus calls it "we do not break userspace". That means _old_ applications should work on new kernel
On Wed, May 4, 2022 at 12:40 AM Richard Hector <rich...@walnut.gen.nz> wrote: > Hi all, > > For various reasons, I have some stretch LXC containers, on a buster > host that I now need to upgrade. That will mean they end up running on > buster's 5.10 kernel. > > Is that likely to be a problem? > > If so, I guess I can leave the host on buster's kernel for the time > being, but that's obviously not ideal. > > Hopefully the stretch containers can/will be either upgraded or > dispensed with soon ... > > Cheers, > Richard > >