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README.md
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@ -1,8 +1,8 @@
# auto-mc # auto-mc
automate automation for minecraft servers. automate automation for minecraft servers.
this is an installer for the minecraft server (paper), with a few systemd units and a backup script. the server runs inside a gnu `screen` session controlled by the user `mc`. this is just a few systemd units and a backup script that auto install, the server runs inside a gnu `screen` session controlled by the user `mc`.
it works best on ubuntu 20.04+ because of java versioning, but any distro with `apt` (and a version of openjdk >=16 for 1.17+ installs) should work fine. while i wrote this with ubuntu in mind, i dont see why it wouldnt work on any debian based distro.
# installation # installation
to install, do: to install, do:

12
automate.sh
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@ -16,7 +16,7 @@ function versionprompt {
# ask the user which version of minecraft they would like to install # ask the user which version of minecraft they would like to install
echo "which version of minecraft would you like to serve?" echo "which version of minecraft would you like to serve?"
echo -n "version [$LATEST]:" echo -n "version [$LATEST]:"
if ! read -t 30 VERSION; then # have a timeout for user input handy for unattented installs if ! read -t 60 VERSION; then # have a timeout for user input handy for unattented installs
VERSION=$LATEST VERSION=$LATEST
echo "timed out, defaulting to $LATEST..." echo "timed out, defaulting to $LATEST..."
return 0 return 0
@ -36,11 +36,11 @@ function versionprompt {
versionprompt versionprompt
# this has to be seperate from the first run of apt since java versions before 16 is deprecated for minecraft 1.17+ and java 16 is quite new # this has to be seperate from the first run of apt since java versions before 16 is deprecated for minecraft 1.17+ and java 16 is quite new
echo "installing java..." echo "downloading java..."
if printf '%s\n' 1.16.5 $VERSION | sort -VC; then # check if $VERSION is above 1.16.5 if printf '%s\n' 1.16.5 $VERSION | sort -VC; then # check if $VERSION is above 1.16.5
apt install -y openjdk-16-jre-headless apt install openjdk-16-jre-headless
else else
apt install -y default-jre-headless apt install default-jre-headless
fi fi
# find the latest release of the requested version and download it # find the latest release of the requested version and download it
@ -48,7 +48,7 @@ echo "downloading minecraft $VERSION..."
RELEASE=`curl -s https://papermc.io/api/v2/projects/paper/versions/$VERSION/ | jq -r .builds[-1]` RELEASE=`curl -s https://papermc.io/api/v2/projects/paper/versions/$VERSION/ | jq -r .builds[-1]`
curl https://papermc.io/api/v2/projects/paper/versions/$VERSION/builds/$RELEASE/downloads/paper-$VERSION-$RELEASE.jar -o paperclip.jar curl https://papermc.io/api/v2/projects/paper/versions/$VERSION/builds/$RELEASE/downloads/paper-$VERSION-$RELEASE.jar -o paperclip.jar
echo "preparing..." # making sure things have the right owners echo "preparing..." # making sure things are clean and have the right owners
adduser --disabled-password --gecos "" mc adduser --disabled-password --gecos "" mc
chmod 755 systemd/mc-backup chmod 755 systemd/mc-backup
mkdir -p /srv/minecraft/ mkdir -p /srv/minecraft/
@ -68,7 +68,7 @@ su mc -c \
cp paperclip.jar /srv/minecraft/server/ cp paperclip.jar /srv/minecraft/server/
echo "eula=true" > /srv/minecraft/server/eula.txt" echo "eula=true" > /srv/minecraft/server/eula.txt"
# what they say on the tin # what they says on the tin
echo "loading units..." echo "loading units..."
systemctl daemon-reload systemctl daemon-reload