Minecraft is a game about placing blocks to build anything you can imagine.

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Minecraft RAM allocation

When I try to allocate more RAM to Minecraft the arguments are: -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M I don't know what this means, why isn't it ...
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0answers
262 views

Why can't I access LAN servers in Windows 10?

I upgraded my laptop to Windows 10, and now I can't see LAN servers (Minecraft, COD, etc). If I start a LAN server from my desktop I am not able to connect to this server from my laptop. (I tried ...
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1answer
24 views

Google Compute Engine as a Minecraft server

I'm working on using a Google Compute Engine instance running CentOS 6.6 as a Minecraft server, and I'm curious if it is technically possible to use port forwarding to allow other users to access it. ...
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1answer
20 views

Putty CTRL + a doesnt work on minecraft screen

I have a minecraft server on an other computer and after couple of hours my Putty started acting wierdly when i try to push the server's screen to the background. I tried ctrl + a d and it was writing ...
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2answers
38 views

Port forwarding error on new router

I've recently gotten a new router to handle a 1GB internet connection (yes, 1GB) because my old router shouldn't be able to handle such a massive connection. But with it came a whole new lay-out and ...
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0answers
14 views

Can squid be used in reverse or any other package be used in reverse

I'm attempting to host a minecraft game server. The primary obstacle is that the network I'm using only has 1 mbps upload. I have a vps available that has 1Gbps both ways. I would like to have the ...
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0answers
14 views

Are you able to play on your PC Minecraft Worlds but on PE Minecraft?

So I've heard about Maxanier's Second Screen Mod, and yes, my version is 1.8, but Second Screen Mod is, i think, for Android. So I'm wondering if I can build on my creative world on my Windows PC, and ...
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172 views

VS Error “Object reference not set to an instance of an object”

I am using Visual Studio 2015, for Windows 7. I am using the Minecraft Mod Developer Pack (mmdp-vs), and trying to delete a folder (examplemod folder). The provisioning build succeeds. It gives me an ...
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1answer
199 views

Getting Exception: java.net.ConnectException: Connection refused when running Minecraft.jar on TAILS linux

I am running Tails from an USB stick (because hard drive is broken) and when I try to run Minecraft I keep getting the same error. Should I specify any parameter when calling Java? How do I solve ...
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0answers
41 views

What factors would cause java based programs to load very slowly? [closed]

I am at a loss here. I am trying to help someone get on my Minecraft server. He is the only one having trouble and I am not able to find a reason why. Basically we have 8 people on this server and ...
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0answers
188 views

How to get memory usage of a Minecraft server?

I am creating a Minecraft control panel at the moment and having trouble by getting the memory usage of the process. My current process: launch the server in a screen get the pid of the screen ...
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18 views

What is the client's “open to LAN” port range for Minecraft? [duplicate]

Does anyone know what the port range for Minecraft LAN is? it appears to be a random port every time, but there must be some guideline (i.e. min - max). As far as I can tell min is ~5000 and max is ...
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1answer
295 views

Setting up SRV records for Minecraft with Cloudflare

I can't seem to be able to setup SRV records for my minecraft server on cloudflare. I have all my name servers right. I'll show a screenshot of what I'm doing I have 2 records testing different ...
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0answers
62 views

What types of issues would cause very poor frame rate in games like Minecraft?

I am trying to assist a friend of mine in getting minecraft running on his computer so he can play on my server. I got everything installed and running but there is a serious issue. When he loads up ...
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5answers
4k views

Port forwarding in a network with 2 routers

I am starting a minecraft server for me and some friends. Everything works as far as I can join and play in it when I use my internal ip (192.168.1.126), but I need to forward port 25565 so my friends ...
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1answer
121 views

Why games with low system requirements are lagging?

I got a HP laptop and I dual-boot Windows 7 Ultimate 64-bit with Kali Linux 64-bit.I installed Minecraft and Counter Strike to see how they are running and both of them were lagging a lot.I couldn't ...
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0answers
47 views

Random DNS resolution failures

I have a minecraft server setup. I have set my NS records to point to cloudflare's DNS, and I've created an SRV record which points to a CNAME record setup on another one of my domains. This cname in ...
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1answer
52 views

How to make sure kid completes an online lesson before allowing (unrestricted) computer use?

I would like my kid to complete an online lesson from this website: http://www.typingweb.com/ before allowing him to use the computer (specifically: playing Minecraft!). Is there any way to do this? ...
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0answers
62 views

JRE 7 VS JDK 7 (The jdk seems to have priority over the jre)

So I installed the JRE 7 for Minecraft and the JDK 7 for programming and when I'm not programming I want to play some craft but it seem's that having both the JDK and JRE conflicts and my Minecraft ...
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0answers
110 views

Java errors with Minecraft

When i run Minecraft or any modloader application namely FTB. I get these constantly: java.net.SocketException: Permission denied: connect. Can't get input stream from URL! ...
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2answers
309 views

java app running in screen starts a process and this child is NOT in screen

I'm running a spigot server in screen, it is a java app. When it crashes and goes down gracefully it calls a restart script as a last action. This script simply contains a java -jar spigot.jar. The ...
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1answer
44 views

Proxying Minecraft through a SSH tunnel

My setup is this: My computer has a Minecraft server running on it, listening to port 25565. It is protected by a firewall, so can not be accessed externally (and I have no control over port ...
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1answer
270 views

Minecraft EXCEPTION_ACCES_VIOLATION

For a long time, I've been playing Minecraft fine. But after I tried to connect to a locally hosted and modded server of a friend of mine (Using Evolve http://evolvehq.com), I haven't been able to ...
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0answers
893 views

Minecraft EXCEPTION ACCESS VIOLATION

When I run any version of Minecraft, I receive an error EXCEPTION ACCESS VIOLATION. It occurs usually on the mojang screen but it also happens in game if I get past this point. Interestingly, I can ...
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1answer
369 views

What would cause nVidia to produce this error when I run minecraft with HD textures?

I am hoping there is someone who has any idea what this error is all about. I am trying to use a 128x texture pack. Specifically SphaxPureBDcraft 128x. I can use the base 128x resource pack with no ...
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1answer
37 views

Problems with MySQL [Minecraft]

I get an error with MySQL. My servers crash every day having something to do about Java. But this one was different. Error: http://pastebin.com/n2xLY50L Edit: I also have two values put in my ...
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1answer
2k views

What minimal laptop requirements, so I can play Sims 3 and/or Minecraft?

I have no experience with gaming on PC, but want to buy my daughter laptop. She wants to play Minecraft and Sims 3. I found some page, but it says I need "2.4 GHz" CPU. Which is usually not an option. ...
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0answers
128 views

Port-forwarding: different ports in router log?

My friend cannot connect to my minecraft server. How do the the different ports shown in my router's log affect port forwarding? What can I change to allow my friend connect to my server? I believe ...
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1answer
157 views

Windows 7 starts with 1.5gb of ram missing, hindering minecraft memory usage

I tried to search for an answer, but couldn't find one. On my computer there's a lot of ram non-free and not shown in task manager under processes. Minecraft requires a lot of memory. I have 8 ...
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1answer
20k views

How to fix my internet connection/bad ping

First of all thanks for any help! To start with, my internet speeds are bad (3 down and 3/4 up) I can normally play Minecraft with very little lag (me and my 2 bros that play). Recently my Internet ...
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1answer
82 views

Your AHK script for javaw priority?

I would like to know something for minecraft. Following your post here : How can I automatically change the priority of Javaw.exe when loading Minecraft? . Which AHK script you used for change the ...
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1answer
961 views

Launch Minecraft 1.7.2 From Batch File and change Username

Near the start of the year I made a series of little batch scripts allowing people to run minecraft off of their usbs and not leave anything on the computer (symlink from %appdata%/.minecraft to ...
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1answer
260 views

How can I start a server with Automator? (Mac)

I have a Minecraft Server (kill me, right?) and I have a bash script to go along with it. Basically, right now I do this: Open Terminal cd to /path/to/my/server/ bash start.sh And voila. My ...
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2answers
834 views

See all output from commands performed inside screen

I am using screen (http://www.gnu.org/software/screen/manual/screen.html) to access my minecraft console. I created a server in /etc/init.d, and have minecraft running in the background. Then, to ...
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2answers
932 views

How to run app on startup as different user?

I have MineCraft server, and I need run it every time I start Debian. I solved it, but it always run as root. I need it run as normal user.
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1answer
12k views

How to launch minecraft 1.7.2 from Terminal / Command Line

I've been playing with the new Yggdrasil authserver that mojang created and I have been learning how to get authentication keys etc. Now I want to know how I can launch minecraft from terminal ...
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2answers
4k views

How to run a program and get its PID in the background

I have a Minecraft server startup script that looks like this: #!/bin/bash cd "$(dirname "$0")" exec java -Xmx4096M -Xms4096M -jar minecraft_server.jar How do I get java process's PID while being ...
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1answer
2k views

Install Minecraft server on Centos

For the past 3 weeks, my 10 year old daughter begged me to build her a a minecraft/bukkit server, and I am attempting to do so on my on VPS running Centos6.4. I am following ...
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1answer
138 views

Save and use handle to application console output

I have a server (Bukkit server, written in Java) and I'm runing it on remote Windows XP machine. I'd use this to launch the server: start start_bukkit.bat This will create new instance of command ...
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1answer
293 views

Minecraft server not working

I have a minecraft server that used to work just fine. However, lately I created a small server for me and my friend to play on. I typed in localhost, and he typed in my ip. I could join my own server ...
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1answer
43 views

How to regulate this weird installer?

My sister plays Minecraft using her user account on the family Windows XP computer, and sometimes another computer (Win7). The client she uses is from here. The installer is very weird for several ...
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1answer
158 views

How do I block HTTP traffic to a single file address, not the entire domain, without a browser-specific program?

I like playing an older version of Minecraft, 1.5.2, but there is a newer version available; and at the title screen, there is a nagging message saying that 1.6.2 is available for download. In this ...
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1answer
58 views

Minecraft Server Assistance Needed

I am a college student who likes to play mine craft with my friends. Unfortunately our laptops are monitored (using DYKnow). I have a Gopro hero 3 that has inbuilt Wi-Fi. We tried using that to play ...
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0answers
67 views

Minecraft Keeps Replacing JAR

I don't want to keep creating new profiles for the new launcher. I just want to replace the .jar. But it always re downloads the original files. Why? Is there a way to avoid this? So, basically. I ...
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1answer
1k views

Accelerated OpenGL Mode not working on Windows 8 (Driver Issue)

I am trying to run a game called Minecraft, and I am having some trouble with it. I was able to run it a month ago, but it just stopped working. I have tried updating all of my drivers. I ran the ...
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2answers
3k views

Execute command in cmd once every hour

I've setup Minecraft with Dynmap and it works like it should. Though I would like it to run a specific command every hour. I start the server by running a file called run.bat which looks like this ...
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1answer
3k views

Can I use a VPN to trick minecraft into connecting via LAN?

I recently purchased Minecraft for a younger cousin of mine. Her best friend and Minecraft playmate is another cousin. However, they live in two separate houses. In the interest of setting up a ...
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1answer
141 views

Better configuring my firewall for Minecraft

Not long ago I purchased a new server, and I'm planning on running a Minecraft server on it. Now I'm trying to better configure my firewall to stop DDoS attacks on my server while running the ...
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1answer
996 views

How to discover what is killing a process?

I have a minecraft server running in a VPS and sometimes my server is being killed unexpectedly. I don't believe this is a java error because no error is thrown and this happens when the server is ...
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3answers
320 views

SSH Screens with Minecraft Server

I have just started to learn ssh. I installed everything needed, started my minecraft server, can join it, see all commands though console, ect. But when I leave the screen and close the Terminal I ...