Want a better Minecraft server? Read about SpigotMC here!
Separate names with a comma.
Not a spigot problem, check with your vps provider
Do you live in appartement? If so, does it contain any concrete or electric wires in the walls, those are all factors, maybe see with a...
List all plugins your use then
Yeah, please use /minecraft: before the command you wish executing, the command has to be a default minecraft command.