start.lua

local components = require("component")
local term = require('term')
local text = require("text")
local commandBlock = components.opencb

local function exec(command)
  commandBlock.execute(command)
end

local function op(nicname)
  exec("/pex user " .. nicname .. " add Admin")
  io.write("You have succesfully become manager this server. Enjoy!\n")
end

io.write('Введите имя игрока: \n>> ')
local nicname = io.read()

op(nicname)