If you use the JDK instead of the JRE then you can use the following command line to force the JDK to use all available cores for optimising Java itself (source):
-server -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:+CMSIncrementalPacing -XX:ParallelGCThreads=7 -XX:+AggressiveOpts -Xms1G -Xmx8G -jar craftbukkit-1.4.7-R1.0.jar
As you are clearly using Windows,...
You seem to have found a spawn egg. You can use it to spawn the type of mob the egg belongs to.
To use the egg you simply right click on the ground while holding the egg in your hand it then spawns the mob at the location you clicked on.
The official description as on the minecraft wiki:
A Spawn Egg is an item that may be used to spawn mobs directly. It ...
Spigot is a fork of CraftBukkit and implements the same Bukkit plugin API, and is designed to be a drop-in replacement for CraftBukkit.
The advantage of Spigot is extreme configurability. If you know what you're doing, you can see a 50% drop in RAM and CPU use. But that's a big if – since you're asking, you should probably assume that the extreme ...
You can vastly improve the performance of your times using MATHS.
You can see the principle outlined in another answer (this answer deals with redpower timers, but the principle is the same, you just need to do it with your vanilla timers instead). All you need to do is set up multiple timers, like the one you have there, but with coprime numbers of ticks (...
There's a relatively simple command block solution to this, which works in vanilla.
First, set up a scoreboard objective to detect players in the Nether
/scoreboard objectives add onNetherCeiling dummy
Create a clock (I suggest using a fill clock) in your spawnchunks (so that it is always loaded), hidden in a box of Bedrock, and add the following three ...
Only ops are able to program command blocks, so that should narrow the list of suspects. Some (virtual) face time with your ops should reveal the guilty party.
In the meantime, if your map doesn't rely heavily on command blocks, they can be disabled by setting enable-command-block=false in the server.properties file and restarting the server.
To locate the ...
Though an answer has been accepted, I needed some additional steps to make this work. I also wanted to import The End (which didn't exist when this queston was asked and answered). So here are full, updated instructions for others with this problem.
Note: I installed Spigot rather than Bukkit. Spigot is a speed-enhanced fork of Bukkit, and the same ...
PermissionsEx and ModifyWorld should solve this problem quite nicely.
PermissionsEx is a general permissions plugin and ModifyWorld is an optional part of PEX:
[ModifyWorld] provides the possibility to control players
abilities, such as destroying/placing blocks, riding carts/boats or
even getting spotted by mobs and much more. Disabled by default.
Bukkit does not update for snapshots. You cannot run a Bukkit server on anything except a primary release. Unfortunately, you are out of luck. You'll have to run a vanilla server or just wait for the next full version to be released.
You want to use Multiverse:
Create multiple worlds of different types, seeds and with Custom Generators
Create portals to let users go between other portals, worlds, or locations
PermissionsBukkit support (Anything that implements the superperms api - GroupManager does I think)
iConomy, BOSEconomy, RealEcon, Essentials Econ and Item economy support!
So far, I discovered a nice solution. I had to make a splash Potion of harming II. Then I approached the farm without looking at it (like while you play slenderman). It seems that Minecraft renderer is smart enough not to lag completelly when you do not look at the laggy area.
I've released a CraftBukkit plugin called DropProtect which does almost exactly what you're looking for. It protects all Armor slots (Helmet, Chestplate, Leggings, and Boots) as well as the 9 hotbar slots by default. It is configurable, so you can change the number of slots that are protected.
Before and after death with 9 protected-slots (covers the hotbar ...
Currently, the random ticks only happen within the 16x16 chunk area around the player. That means even keeping the chunks loaded doesn't help if there's nobody within the radius.
The common vanilla approach is to move the farm near frequently visited areas, where players' presence will keep the farm active. Alternatively, just afk near the farm to keep it ...
I can't believe no one commented on Opis, by Professor Moebius: http://www.minecraftforum.net/topic/2104497-164server-admin-opis-112-alpha-now-with-entity-support/
This is a server side Forge (and client side for the admins) mod, and if you have option to use it (turn a vanilla server into a Forge one, or a Bukkit server into a MCPC Plus one), this is THE ...
I just wrote a quick plugin that will do this for you. It's called StartingItems, and you can find it on BukkitDev here. It supports both respawn items and items for players that first login. Feel free to check it out.
Your friend can see you because all OP players have vanish.see permission by default, so you need to negate it.
I recognized that you use PermissionsEX reading the link that you have provided, so you could add your friend to a group that negates this permission or you could add it specifically for him.
To only for him:
/pex user YourFriendNick add -vanish....
If you're using Java 7, it has been known to cause issues running Minecraft. I would download java 6, and give that a try.
Also, if your server supports 64-bit, grab that version.
The only other advice I can offer is to maybe grab a server auto-restart plugin for bukkit, perhaps give one of those a go, and set it to 6am or whenever your server is ...
You can try to go to <minecraft_data>/saves/<map_name>/players and rename Player.dat to <your_name>.dat. This should effectively transfer your inventory, spawn points, xp, hunger bar and so on to another player.
However I don't think you will be able to transfer ownership ("tamer") of cats and wolves with this way. They are likely to be ...
Given the vast amount of seeds available and the size of the world, happening to spawn in a small dungeon of all places in a nearly infinite world is very unlikely to happen. Even exploring they can hard to find. Because of the amount of possible combinations of seeds it's impossible to define a precise chance of this happening.
There are two existing plugins that may do what you need.
ManualGen allows ops to trigger a structure generation at their location with a command. Strongholds can be place manually this way by your server admin(s). The drawback is that admins who place strongholds will know where they are, which they might not want if they like to explore as a regular ...
You stated bukkit plugins were preferred, but other ways are acceptable. You cannot change the grass look for the whole server, as it is generally a client side feature. In other words, how one person sees grass is completely different to how another one sees it as they may have texture packs and other client side mods which alter the look of things.
Using WorldEdit for this will crash your server, as it cannot handle such an operation. As a result, you should use MCEdit instead. It will take a while, but big edits like this absolutely need to be done in it. Once you are done, you can start using WorldEdit on your server. If you are doing lots of terraforming, you should probably also use VoxelSniper.
Probably you are inside the spawn protection radius and that is why you can't break blocks. When there are no ops on the server, spawn protection is disabled, that is why you can break blocks when there are no ops defined.
For more details, see Spawn protection and server.properties (search for 'spawn-protection')
To completely hide your plugin list from other users you need to do the following:
Override the /plugin command.
Override the /pl command.
Override the /version command.
Override the /ver command.
Override the /help command.
Override the /? command.
Override all plugin commands with the string response "Unknown command. Type \"help\" for help." or some ...
In the general case, the best way to work it out is get a separate, blank installation and add the mod you want to remove. See what the side-effects are (what files are created) when you add that mod. Then go to your proper installation and remove those files.