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I have a Minecraft sever running that gets started automatically using the init.d scripts. Now I want to be able to give myself admin privileges but I need to send commands to the server. How can I do that without stopping it and running it manually?

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so, you want the server running as your user? Just do "sudo -u USER COMMAND" in the init script – nerdy_kid Jun 11 '11 at 19:18
Not exactly. I set up a user called minecraft and that's who the script runs as. But the script is running now and I want to be able to interact with it. How can I send commands to the process while it's running? – CaseyB Jun 11 '11 at 19:25
I'm not sure how the minecraft server works, but if you start it using "screen" then you could connect to it by doing "sudo -u minecraft screen -r" – nerdy_kid Jun 11 '11 at 19:55
I get this message Cannot open your terminal '/dev/pts/0' - please check. Even if I su to minecraft and try to screen -r – CaseyB Jun 12 '11 at 13:55
It's running on a remote server that I ssh into. – CaseyB Jun 12 '11 at 13:58

3 Answers

up vote 1 down vote

When you ssh, you need to pass a -t option to allow screen to work. Or you could add your username to the ops.txt file.

But, what you really want is a full-featured bells-and-whistles script that uses screen to interact with the Minecraft server. Check out Minecraft Sheller. I think it provides what you want and more.

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up vote 1 down vote

If you get 

Cannot open your terminal '/dev/pts/0' - please check.

use

sudo -u minecraft
script '/dev/null'
screen -r
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up vote 0 down vote accepted

I ended up just calling sudo /etc/init.d/minecraft stop then starting the server java -Xmx1024M -Xms1024M -jar minecraft_server.jar nogui and opping my player and starting it again with sudo /etc/init.d/minecraft start

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