54 votes
Accepted

Why is my Minecraft server always using 100% of available RAM?

You're setting these two options: -Xms14G -Xmx14G This means that the JVM should start with 14 GB (-Xms) and grow to a maximum of 14 GB (-Xmx) heap RAM usage. The actual RAM usage will be higher, as ...
Guntram Blohm's user avatar
44 votes

How to find the IP of a Minecraft server

Another alternative is to use nslookup which queries the name directly from DNS: C:\> nslookup google.com Server: UnKnown Address: 2601:647:4a03:6e2b:9610:3eff:fe0e:6c13 Non-authoritative ...
rrauenza's user avatar
  • 1,491
44 votes
Accepted

How much data will a 12550824 x 12550824 world take up in Minecraft?

Are you trying to build the Earth (it's actually about 22584607 by 22584607 metres surface area, about 3.2 times what you're asking about)? Well, the block height can take 256 values and each block ...
l0b0's user avatar
  • 3,110
38 votes
Accepted

How can I prevent griefers from grabbing all my loot in Minecraft?

The Ender Chest is the best approach, but if you don't want/can't use an Ender chest there, here are some solutions I have prevented theft in Minecraft. Redstone Traps I have in the past created a ...
Grant Davis's user avatar
33 votes

How can I prevent griefers from grabbing all my loot in Minecraft?

You can use an Ender Chest to store things that you don't want stolen. The contents of the chest are unique to the person opening it, so a potential griefer won't see anything that they haven't put in ...
JonK's user avatar
  • 4,647
28 votes

How much data will a 12550824 x 12550824 world take up in Minecraft?

As the existing answers only guess about compression, I estimated the space requirements from an existing server. That server has a 60kx60k world (-30000 to +30000 each X and Z), which is ...
Guntram Blohm's user avatar
23 votes

Help with Minecraft LAN Server on Mac?

In the launcher, go into the "Installations" tab. Choose a profile to patch. This method won't disrupt your game in any way, but if you're worried about breaking something, create a new ...
TheOnlyMrCat's user avatar
18 votes

How can I prevent griefers from grabbing all my loot in Minecraft?

###Hide your items cleverly Disclamer: Xray is used for demonstrational purposes here. This kind of cheating is bannable! Do not try this at home! We are what people call professionals. That means ...
user143228's user avatar
  • 6,652
18 votes
Accepted

How do I op a user who has spaces in their username on a Minecraft server?

The quotation mark method seems like it would work, but it doesn't in /op. However there are still other methods that work. As the other answer mentions, you will be able to get a player UUID from ...
One 2 Many's user avatar
  • 12.6k
16 votes

Help with Minecraft LAN Server on Mac?

Description Assuming you've done the normal troubleshooting (such as disabling the Firewall), you're experiencing bug with the networking protocol being used on MacOS (IPv6 versus IPv4), documented ...
tresf's user avatar
  • 280
16 votes
Accepted

How can I send a message to all players in the minecraft server?

You'd want to use say: say <message …> Fails if any target selectors do not resolve to at least one online player, or if any named players are not online. On success, broadcasts message to ...
Codingale's user avatar
  • 1,294
14 votes
Accepted

How to find the IP of a Minecraft server

Simple! Just open up a command line/terminal window (doesn't matter what operating system) and type: ping <your server address here> That should work!
Surprisejedi's user avatar
12 votes
Accepted

How can I enable cheats for the players on a Minecraft Server from the console?

You have to make players into Operators to allow them to use most commands (see this list). You can do so by running /op <player> either from in game or using the server console. This command ...
MrLemon's user avatar
  • 17.4k
12 votes
Accepted

How can I hide the commands I type in a server?

By using the /gamerulecommand. The command: /gamerule sendCommandFeedback false will affect "whether the feedback from commands executed by a player should show up in chat."
TheKingElessar's user avatar
11 votes
Accepted

Can no longer use same account on a LAN game

The issue is that Minecraft contacts their servers when you start up, and overwrites the displayName with whatever is linked to the actual account on their servers. Then, when you connect to the LAN ...
skrebbel's user avatar
  • 226
9 votes
Accepted

Prevent griefing

Good solution is to use blue (automatic always ticking) commandblock and put it in the centre of your desired protected area. Inside commandblock, input this command: /gamemode adventure @a[r=50] You ...
Antoine Hejlík's user avatar
9 votes
Accepted

Can two servers run on the same machine?

Yes you should be able to do this. You'll have to port forward for each server. I found this post that explains how it works. Basically you do the port forwarding and when you want someone to join, ...
Timmy Jim's user avatar
  • 54.5k
9 votes
Accepted

Why can't other players interact with things around spawn when I make myself OP?

As suspected by @Codingale, this is indeed spawn protection. From going through some decompiled Minecraft code, I gathered that a player is allowed to build at the spawn point of a world if: The ...
Siguza's user avatar
  • 205
8 votes

How can I host my own Minecraft server?

Updated answer as of 11/5/17 Here is the updated link to the tutorial on setting up a server on the wiki. You can download the latest jar file from minecraft.net. It may download as a zip extension, ...
IronAnvil's user avatar
  • 5,663
8 votes

How to undo killing all entities on a server?

You can't. Unless you have a recent backup to restore, this action is permanent. Next time, what I would do is test these sorts of systems in a backup of the world to begin with to try to spot any ...
Unionhawk's user avatar
  • 33.7k
8 votes
Accepted

Is it possible to spread malware through Minecraft Servers? How likely is it?

I asked an expert on this and many more Minecraft related topics (Pokechu22) and this is what they answered: Answer: No, excluding resources downloaded (resource packs and skins), which still ...
Fabian Röling's user avatar
8 votes

Do free servers on https://aternos.org/ work?

The company claims to make money through ingame advertising. Funding is done exclusively with the earnings from advertisements, there are no costs for the user. [...] We have created a unique in-...
Philipp's user avatar
  • 29.8k
7 votes

Constant LAN port?

According to Minecraft's Wiki, you can use the /publish command. /publish [port] port: integer Must be a 32-bit integer number. And it must be between 0 and 65535 (inclusive). The port to ...
LeoColman's user avatar
  • 171
7 votes
Accepted

Is it possible for Minecraft users on Mac (Java) to play with iOS (Bedrock) users?

TL;DR This is not achieveable! You are looking for completely different versions of the game. Java version is not even remotely compatible with the Bedrock-Version that you can run on mobile devices ...
Chund's user avatar
  • 1,074
7 votes
Accepted

How do I give players the `/whitelist add <player>` command in my Minecraft server?

Vanilla Minecraft does not support this. However, it looks like most if not all permissions plugins do. You will need to use a modded server to accomplish this. If you are currently running a fully ...
HumanJHawkins's user avatar
6 votes

Is there a script to determine Minecraft Server Jar Version?

If you are on MacOSX or Linux, I think this command does pretty much what you want: unzip -p server.jar version.json | grep "name" In my case it responds with "name": "1.14.4", If you are on ...
Pullie's user avatar
  • 161
6 votes

How to unban a user from a particular server?

You have to type /pardon someuser to unban a player.
J. Pee's user avatar
  • 104
6 votes

What exactly is affected by a higher view-distance on the server side?

From the Minecraft wiki, the view-distance attribute in server.properties means: Sets the amount of world data the server sends the client, measured in chunks in each direction of the player (radius, ...
APCoding's user avatar
  • 1,575
6 votes
Accepted

Is it possible to link 2 different servers together?

You could try to take a look at BungeeCord. It acts as a proxy between the player's client and the connected Minecraft servers. [..] free, easy, and reliable way to connect multiple Minecraft ...
Pronox's user avatar
  • 728
6 votes

How to turn off Eula for OS X Minecraft server

You can't switch off the EULA. You have to read and accept them. In your server's root directory, look for a file named eula.txt and append or set the last line to eula=TRUE. This indicates that you ...
dly's user avatar
  • 15.3k

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