Working from home during lockdown, I seem to need to use the Linux version of some proprietary software (Bruker OPUS). It's the only software that will read the proprietary file format. I don't have a Windows machine or an off-site licence, but the Linux binaries are a free download. The software was last updated nearly 10 years ago and apparently doesn't run under 12.04 or later.
I've installed Lucid in a virtual machine. While I can't get the guest extensions to install I can make ISOs to transfer stuff onto it. However OPUS needs libboost and probably other things (this seems to be one of several reasons it won't install on a newer OS) and the repository for Lucid no longer exists on archive.ubuntu.com/ubuntu/dists/.
So how can I satisfy dependencies for an OS so old the repositories aren't there any more?
You have to change the
/etc/apt/sources.listto have correct repositories:archive.ubuntu.com→old-releases.ubuntu.comsecurity.ubuntu.com→old-releases.ubuntu.comAnd then use
sudo apt-get update,sudo apt-get upgradewithsudo apt-get install somethingas usual.