Running mainnet, testnet and signet Bitcoin Core full nodes on the same machine/same VM works fine.
Is running say a c-lightning mainnet node in parallel with a c-lightning signet node on the same machine/same VM something that should work?
What about a c-lightning mainnet node in parallel with say a lnd/eclair/rust-lightning mainnet node? Or a c-lightning mainnet node with say a lnd/eclair/rust-lightning signet node? I’m guessing not as the two Lightning implementations will be in competition for Bitcoin Core resources and would end up crashing it.