For server-specific questions about Mojang's popular Minecraft game.

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54
votes
6answers
543k views

Why isn't my Minecraft LAN server working?

My LAN server won't let my cousin join me or me join my cousin. It won't show up on the multiplayer screen - it keeps saying "scanning for LAN servers" but it never finds it. I am at his house and we ...
23
votes
2answers
7k views

I have little fighting skill. How can I get rid of a Wither?

I have set up a Minecraft server for my 5-year-old son and a friend of his. They use it in creative mode to build stuff. Today, my son copied instructions he saw in a YouTube video and created a ...
18
votes
2answers
124k views

Can two users play on a Minecraft server using the same account?

I bought a Minecraft account for my little brother for Christmas, and I'd like to play with him on my server every now and then. If I log in while he's on, however, it kicks him off since we have the ...
16
votes
2answers
56k views

How do you host a multi-player survival game in Minecraft?

I've downloaded all the required files in order to host an on-line multi-player Minecraft game on my computer, and successfully made a server. However, it seems that I can only make games in free ...
15
votes
5answers
32k views

I am having problems connecting to the Minecraft server from a 2nd machine in the local network

The kids have got into Minecraft and want to run their own multiplayer game locally, however, we can't get one computer to connect to the other, but the reverse connection works. COMPUTER A is the ...
14
votes
5answers
9k views

Is there a way to get the latest server jar through a URL that doesn't change?

I'm writing a bash script to manage a vanilla server install on my eeePC. Right now I've been using http://s3.amazonaws.com/MinecraftDownload/launcher/minecraft_server.jar to get the minecraft_server ...
13
votes
2answers
66k views

How can I run a Minecraft Server on multiple CPU cores?

I am working on setting up a Minecraft server on a machine I have at home. This particular machine has two quad-core CPUs running at 2.0Ghz so I would like to take advantage of the number of cores and ...
12
votes
6answers
2k views

Is there any way a griefer could overcome my 5-million-block quarantine?

I'm running a vanilla Minecraft (PC) server that some of my friends and I play on together. We've been looking to get more people to join us, but have been fairly unsuccessful so far. Listing the ...
11
votes
4answers
3k views

Is there any way to keep my minecraft server from going through the day/night cycle when no one's online?

My friends and I use the day number as part of our server rules, so we want to keep the day from changing while we're offline, but the only way I know of to do that is to stop the server from ...
10
votes
2answers
15k views

What's the difference between Spigot and CraftBukkit Minecraft servers?

I'm making a small server for me and my friends, on a Raspberry Pi. All the guides I have seen so far use Spigot, but there isn't that much documentation that I can find on what they did to make it ...
10
votes
3answers
1k views

Is there a way to start a Minecraft server when a player tries to connect to it?

I've been wondering whether this is possible or not, or if there's a plugin or setting for it. Thanks in advance!
9
votes
5answers
2k views

Jumping two blocks high?

I was playing on a gamemode called Lichz on a minecraft multiplayer server, but I got stuck in a two block deep hole. You cannot build anything on the server. Is it possible to get out? Edit* After ...
9
votes
2answers
2k views

Check a minecraft server's difficulty?

Is it possible for me to check what difficulty level is current set to on a vanilla (or almost vanilla) minecraft server? I do have my own server, and I know I can simply check the server.properties ...
9
votes
5answers
1k views

Stop Minecraft Ticks when zero players online

As we all know , a Minecraft Server keeps the spawn chunks loaded all the time (if you don't know, read these questions: one two). So ticks keep passing by. I'm keen of the fact that in these ticks ...
9
votes
3answers
17k views

I can't connect to a friend's Minecraft server, but none of the usual culprits seem to be the problem

I'm trying to connect to a friend's Minecraft server, but I'm not able to do so. We've double-checked the usual culprits brought up in most Minecraft server tutorials, but we're still not having any ...
8
votes
3answers
751 views

Is there a way to set an “Adventure Mode Boundary” in Minecraft?

Is there a way to set an "Adventure Mode Boundary" in Minecraft? I am trying to create this village where players can spawn in, and then set out to explore the world and build and do normal minecraft ...
8
votes
2answers
92k views

How can I download an older version “minecraft_server.jar” for Minecraft?

I am a YouTuber and I'm thinking of making a modded series with my friend. I went to the Minecraft website to download v1.6.4 of the server, but they don't have it. So I then searched via Google and ...
8
votes
2answers
182 views

Is it possible to have my minecraft server update itself?

I am currently playing a server with my friends on the new Minecraft snapshot and I constantly have to update it because they release a new snapshot often. I was wondering if it was possible for every ...
8
votes
4answers
5k views

Why is my server's memory usage so high with just 5 players online?

I recently started a vanilla Linux Minecraft server (v1.7.2) and have been having trouble with high RAM usage causing the server to disconnect. I have allocated a maximum of 3.5GB. I restarted the ...
7
votes
3answers
7k views

How can I trick Minecraft into thinking two computers are on the same wifi network?

Minecraft's got an "Open to LAN" feature, which can be used to set up a local server when two computers running Minecraft are on the same network. Some young relatives of mine use this to play ...
7
votes
2answers
24k views

Reset a player's progress on a server

I have a Minecraft server I've just started for a few friends. We're playing on hard, and I'm going to set it up so that players spawn with a few minimal items to get them going. Some of them jumped ...
7
votes
2answers
1k views

A mechanism or CraftBukkit plugin to not allow building or mining in Minecraft?

I'm trying to teach students how to program JavaScript inside Minecraft with ScriptCraft. It's been amazing, except for the fact that even my most focused students get so distracted with playing ...
7
votes
1answer
1k views

How much unused RAM allocated to a Minecraft client or server is cached? [closed]

How much unused RAM allocated to a Minecraft client or server is cached? If any program is not using all of the RAM allocated to it, that RAM becomes cached and can be used by other programs until the ...
7
votes
1answer
1k views

How can a script check if my local server is running?

Before version 1.7.2 I was able to check if the server was running by using a shellscript that checked if server.log.lck was in the Minecraft server directory. I am running multiple servers via ...
7
votes
1answer
29k views

How do I move a Minecraft saved world from my desktop to my server?

I've been working a lot on my world on my computer in single player mode. My dad got me a server and so I want to transfer my world onto my server. How is this possible? I noticed that in ...
7
votes
0answers
213 views

OPs can't craft

I'm an OP on my PocketMine server and I get a message to gather more blocks when I try to craft anything. If I de-OP myself I can craft without any problems. Why do I have to de-OP to craft?
6
votes
5answers
5k views

How can I prevent a world from getting too large without installing plug-ins?

I was hoping to have a pure vanilla server, but the size of the world is causing huge memory usage when only a few players are on the server. Is there a way I can prevent users from exploring so far ...
6
votes
5answers
2k views

Is it possible to prevent players from using hacks on a vanilla server?

I host a Vanilla (unmodded) Minecraft server, but often find that people are digging straight towards diamonds or instantly killing players with hacking clients. Is there a way to prevent people from ...
6
votes
2answers
2k views

Is there a Bukkit Plugin that allows giving new users books?

I was thinking, with the books Minecraft has come out with, it's time to replace those 500 blocks worth of signs with a simple book. Is there a Bukkit Plugin that will automatically give new users a ...
6
votes
1answer
1k views

Whitelist usernames in offline mode

(I'm sorry for bad English, I'm not native speaker) HOW CAN I SET WHITELIST IN OFFLINE MOD? My Bukkit server in offline mod. I tried to add an username in the game, for example, 'Bear' and used ...
6
votes
1answer
141 views

Is there a way I can disable mods for specific players?

My friends and I want to do a Magic v Science server where each team can only use their given mods. Is there a way to prevent the magic team from using mods like Thermal Expansion, Industrial Craft 2 ...
5
votes
4answers
1k views

Can I disable different colored grass?

I made a town which is inbetween 3 biomes, and the grass is colored differently for different sections of the town, making it look very ugly. Is there a Bukkit plugin I can use to change the color of ...
5
votes
2answers
17k views

Modding a Minecraft server from scratch

I've been hosting a couple of private Tekkit servers for some friends to play on. There are currently a couple of issues that are becoming frustrating for them: Bugs in existing versions of mods ...
5
votes
3answers
762 views

Do items disappear after a server restart in Minecraft?

I was playing Tekkit with my buddies, and my friend died after I already typed in stop in the console. Will the items still be there when the server reboots?
5
votes
2answers
8k views

I'm getting 'Bad Login' when attempting to join multiplayer servers in Minecraft [duplicate]

I can login to minecraft fine through the launcher and play singleplayer just fine. But when I go into multiplayer it won't let me join any server. It just keeps saying "Bad Login". I do have a paid ...
5
votes
2answers
234 views

Prevent clients from using mods on a server

I want to forbid any modded files from a client (xray, other cheats) on my 1.7.10 server. How can I do this? Is there a way to force a certain texture pack as well, to prevent people from using ...
5
votes
1answer
1k views

Minecraft Server: Everyone spawns in the ground

In the MC server I'm in, every player experiences a spawn issue; players spawn in the ground and start to suffocate. After a second or so you then spawn where you would normally spawn.The length of ...
5
votes
1answer
262 views

Minecraft: Can't use mod blocks in my multiplayer server

So, basically I have created a multiplayer forge server (1.7.10) and we're trying to place blocks we've created using the Mr Crayfish Furniture Mod (for 1.7.10). I can see the object on the crafting ...
5
votes
2answers
181 views

Is it possible to stream music to the client that doesn't have the sounds file using the sounds.json file?

I recently heard about a sounds.json file and started messing around with it. I found that there is a stream option. Does this mean I can have a ogg file on the server and stream it to the client ...
5
votes
3answers
860 views

What might be ruining my mob grinder on the craftgasm server?

Ok so I have built a pretty typical mob grinder. (4 8x8 spawning pads with a "+" shaped water funneling system three vertical floors of that config water only at the bottom.) So as I said pretty ...
5
votes
5answers
205 views

Start Minecraft Server on first Connection

I was wondering if it's possible to have my (Vanilla) Minecraft server not actually start running until someone tries to connect to it? I have full access to the entire server (It's an old computer of ...
4
votes
3answers
946 views

How do I make a rain detector on Minecraft?

I am making a server and it rains a lot. Rain lags up my computer so every time this happens, I have to type in /toggledownfall. Is there a way to make a simple redstone creation that detects rain, ...
4
votes
2answers
2k views

Minecraft server 1.6.2 (Vanilla), keepinventory

I know if you type the command /gamerule keepInventory true as an Operator, when you die, the items will keep in your inventory. How can I do this in game server properties? For example, in the ...
4
votes
2answers
24k views

Hosting my own server for Minecraft pocket edition

With my Minecraft Pocket edition version 0.7.4 I can connect to an external server, but I'm not able to connect to a server I'm running in my computer. I've post detailed information about my setup ...
4
votes
2answers
25k views

How do I make an automatic server backup in Minecraft?

There is no built-in implementation in a Vanilla Minecraft server to force a save every X minutes, then back up the files into a folder. I know how to do log rotations and I can also do a normal ...
4
votes
1answer
4k views

Problem with minecraft server running on 64-bit Windows 7 computer

I downloaded minecraft_server.jar from here, and made run.bat which content is java -Xmx1024M -Xms1024M -jar minecraft_server.jar nogui. It runs well, I can connect with typing my IP, but my friend ...
4
votes
2answers
2k views

Change Minecraft Server Name?

I'm setting up a minecraft server for just myself and friends. I'm using the official server (on windows) from minecraft.net I got it all up and working but I'm curious how to change the Server Name. ...
4
votes
2answers
23k views

Minecraft Server connection refused (process running on 25565 being detected)

I am running around in circles trying to connect to my recently set-up Minecraft server. The Minecraft server is installed and running on my Ubuntu (12.04 LTS) machine. I have opened the port 25565 on ...
4
votes
3answers
22k views

Do I need to open ports in my firewall to see LAN games on Minecraft? If so, which?

Lately I've been having some trouble with Minecraft LAN games. Not with hosting them or even with joining them exactly, but with seeing them at all. Here's the situation: I am not able to see ...
4
votes
1answer
146 views

Single machine on network runs Minecraft slowly on internet server, but fine locally

So I have a very unusual problem. I have set up a minecraft server for the family to play on. We have four computers. Three of them can connect fine to the server. The fourth one however can not, when ...