You are looking for a file named minecraft_server.1.8.1.jar or minecraft_server.1.8.1.exe .
Official Mojang links often auto-update to the latest version. To get the specific 1.8.1 version: skachat server maina 1 8 1
Open the newly created eula.txt file. Change the line eula=false to eula=true and save the file. You are looking for a file named minecraft_server
If you want plugins, you might consider Bukkit or Spigot 1.8.1. 3. Initial Setup & EULA skachat server maina 1 8 1
You can customize your world by editing the server.properties file with a text editor:
Move the downloaded .jar or .exe file into your dedicated folder.