Hey im trying to make a server that has no lags an stuff but i always get this
2010-12-30 19:22:35 [INFO] Starting minecraft server version 0.2.0_01
2010-12-30 19:22:35 [WARNING] **** NOT ENOUGH RAM!
2010-12-30 19:22:35 [WARNING] To start the server with more ram, launch it as "java -Xmx1024M -Xms1024M -jar minecraft_server.jar"
2010-12-30 19:22:36 [INFO] Loading properties
2010-12-30 19:22:36 [INFO] Starting Minecraft server on *:25565
2010-12-30 19:22:36 [WARNING] **** SERVER IS RUNNING IN OFFLINE/INSECURE MODE!
2010-12-30 19:22:36 [WARNING] The server will make no attempt to authenticate usernames. Beware.
2010-12-30 19:22:36 [WARNING] While this makes the game possible to play without internet access, it also opens up the ability for hackers to connect with any username they choose.
2010-12-30 19:22:36 [WARNING] To change this, set "online-mode" to "true" in the server.settings file.
2010-12-30 19:22:36 [INFO] Preparing level "world"
2010-12-30 19:22:36 [INFO] Preparing start region
2010-12-30 19:23:14 [INFO] Done! For help, type "help" or "?"
2010-12-30 19:23:36 [INFO] JonnyBoy [/192.168.1.43:13115] logged in
2010-12-30 19:23:39 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:23:45 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:23:48 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:23:51 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:24:12 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:24:13 [INFO] JonnyBoy lost connection: End of stream
2010-12-30 19:24:24 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:25:14 [INFO] JonnyBoy [/192.168.1.43:13122] logged in
2010-12-30 19:25:34 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:25:50 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:25:58 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:26:01 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:26:06 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:26:18 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:26:21 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:26:31 [INFO] JonnyBoy lost connection: Quitting
2010-12-30 19:26:40 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
2010-12-30 19:26:50 [WARNING] Can't keep up! Did the system time change, or is the server overloaded?
plz help! D: