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因为这是Wiki的一个条目,可以在任何时间内被任何人编辑,因此建议你不要完全使用这个脚本,而是将其当作编写脚本的指导手册看待。
此特性为Java版独有。
这是一个GNU/Linux发行版的Minecraft服务端的启动和维护脚本示例。
此方法适用于支持Systemd的所有现代服务器。Systemd是一种“万金油”,用于各种需求。Ubuntu在15.04版引入了它。(此版本已停止支持,建议使用更高的LTS版本,但是以下内容能正常在此版本中的Systemd上工作。)
id -u如果返回0,则是root。apt install openjdk-8-jre-headless curl screen nano bash grep/opt目录,则创建它:mkdir /optadduser --system --shell /bin/bash --home /opt/minecraft --group minecraftnano /etc/systemd/system/minecraft@.service,内容如下:# Source: https://github.com/agowa338/MinecraftSystemdUnit/ # License: MIT [Unit] Description=Minecraft Server %i After=network.target [Service] WorkingDirectory=/opt/minecraft/%i PrivateUsers=true # Users Database is not available for within the unit, only root and minecraft is available, everybody else is nobody User=minecraft Group=minecraft ProtectSystem=full # Read only mapping of /usr /boot and /etc ProtectHome=true # /home, /root and /run/user seem to be empty from within the unit. It is recommended to enable this setting for all long-running services (in particular network-facing ones). ProtectKernelTunables=true # /proc/sys, /sys, /proc/sysrq-trigger, /proc/latency_stats, /proc/acpi, /proc/timer_stats, /proc/fs and /proc/irq will be read-only within the unit. It is recommended to turn this on for most services. # Implies MountFlags=slave ProtectKernelModules=true # Block module system calls, also /usr/lib/modules. It is recommended to turn this on for most services that do not need special file systems or extra kernel modules to work # Implies NoNewPrivileges=yes ProtectControlGroups=true # It is hence recommended to turn this on for most services. # Implies MountAPIVFS=yes ExecStart=/bin/sh -c '/usr/bin/screen -DmS mc-%i /usr/bin/java -server -Xms512M -Xmx2048M -XX:+UseG1GC -XX:+CMSIncrementalPacing -XX:+CMSClassUnloadingEnabled -XX:ParallelGCThreads=2 -XX:MinHeapFreeRatio=5 -XX:MaxHeapFreeRatio=10 -jar $(ls -v | grep -i "FTBServer.*jar\|minecraft_server.*jar" | head -n 1) nogui' ExecReload=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "reload"\\015' ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "say SERVER SHUTTING DOWN. Saving map..."\\015' ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "save-all"\\015' ExecStop=/usr/bin/screen -p 0 -S mc-%i -X eval 'stuff "stop"\\015' ExecStop=/bin/sleep 10 Restart=on-failure RestartSec=60s [Install] WantedBy=multi-user.target ######### # HowTo ######### # # Create a directory in /opt/minecraft/XX where XX is a name like 'survival' # Add minecraft_server.jar into dir with other conf files for minecraft server # # Enable/Start systemd service # systemctl enable minecraft@survival # systemctl start minecraft@survival # # To run multiple servers simply create a new dir structure and enable/start it # systemctl enable minecraft@creative # systemctl start minecraft@creative
现在你可以上传你的FTB整合包到名为/opt/minecraft/的子文件夹。例如将"FTB Beyond"整合包放进/opt/minecraft/FTBBeyond(不带空格)。 如果你想运行原版实例,只需要在/opt/minecraft内创建文件夹,上传minecraft_server.jar并创建eula.txt文件(使用:)。
上传minecraft服务端文件后,使用ls -la /opt/minecraft命令确保“minecraft”是其所有者和所属组。若不是,则运行chown minecraft:minecraft /opt/minecraft/FTBBeyond。你也许还需要完成安装。对于当前的FTB包你可以运行:
cd /opt/minecraft/FTBBeyond echo "eula=true" > /opt/minecraft/FTBBeyond/eula.txt su -c "/opt/minecraft/FTBBeyond/FTBInstall.sh" -s "/bin/bash" minecraft
你可以使用systemctl start minecraft@FTBBeyond来启动服务器并用systemctl stop minecraft@FTBBeyond来关闭服务器。“@”后的部分是一个实例名称,如文件夹名。该脚本也会在重启服务器时帮助自动停止你的Minecraft服务器。
systemctl enable minecraft@FTBBeyond
systemctl disable minecraft@FTBBeyond
用于不内置Systemd的旧版服务器系统。
必须安装Screen包。
在CentOS及基于Red Hat的发行版上:
yum install screen
在Ubuntu等基于Debian的系统上:
apt-get install screen python
使用wget下载本脚本,运行下列命令:(注意本脚本需要更改WORLD、MCPATH和BACKUPPATH变量。
重要说明: 如果你使用了wget的方法而每行第一个字符都是空格,本脚本不会运行并且update-rc.d会输出错误。如果这要,你必须移除每行开头的空格。小心不要删除空格以外的任何东西!
wget -O minecraft "http://minecraft.gamepedia.com/Tutorials/Server_startup_script/Script?action=raw"
#!/bin/bash
# /etc/init.d/minecraft
# version 0.4.2 2016-02-09 (YYYY-MM-DD)
#
### BEGIN INIT INFO
# Provides: minecraft
# Required-Start: $local_fs $remote_fs screen-cleanup
# Required-Stop: $local_fs $remote_fs
# Should-Start: $network
# Should-Stop: $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Minecraft server
# Description: Starts the minecraft server
### END INIT INFO
#Settings
SERVICE='minecraft_server.jar'
SCREENNAME='minecraft_server'
OPTIONS='nogui'
USERNAME='minecraft'
WORLD='world'
MCPATH='/home/minecraft'
BACKUPPATH='/minecraft/minecraft.backup'
MAXHEAP=2048
MINHEAP=1024
HISTORY=1024
CPU_COUNT=1
INVOCATION="java -Xmx${MAXHEAP}M -Xms${MINHEAP}M -XX:+UseConcMarkSweepGC \
-XX:+CMSIncrementalPacing -XX:ParallelGCThreads=$CPU_COUNT -XX:+AggressiveOpts \
-jar $SERVICE $OPTIONS"
ME=`whoami`
as_user() {
if [ "$ME" = "$USERNAME" ] ; then
bash -c "$1"
else
su - "$USERNAME" -c "$1"
fi
}
mc_start() {
if pgrep -u $USERNAME -f $SERVICE > /dev/null ; then
echo "$SERVICE is already running!"
else
echo "Starting $SERVICE..."
cd $MCPATH
as_user "cd $MCPATH && screen -h $HISTORY -dmS ${SCREENNAME} $INVOCATION"
sleep 7
if pgrep -u $USERNAME -f $SERVICE > /dev/null ; then
echo "$SERVICE is now running."
else
echo "Error! Could not start $SERVICE!"
fi
fi
}
mc_saveoff() {
if pgrep -u $USERNAME -f $SERVICE > /dev/null ; then
echo "$SERVICE is running... suspending saves"
as_user "screen -p 0 -S ${SCREENNAME} -X eval 'stuff \"say SERVER BACKUP STARTING. Server going readonly...\"\015'"
as_user "screen -p 0 -S ${SCREENNAME} -X eval 'stuff \"save-off\"\015'"
as_user "screen -p 0 -S ${SCREENNAME} -X eval 'stuff \"save-all\"\015'"
sync
sleep 10
else
echo "$SERVICE is not running. Not suspending saves."
fi
}
mc_saveon() {
if pgrep -u $USERNAME -f $SERVICE > /dev/null ; then
echo "$SERVICE is running... re-enabling saves"
as_user "screen -p 0 -S ${SCREENNAME} -X eval 'stuff \"save-on\"\015'"
as_user "screen -p 0 -S ${SCREENNAME} -X eval 'stuff \"say SERVER BACKUP ENDED. Server going read-write...\"\015'"
else
echo "$SERVICE is not running. Not resuming saves."
fi
}
mc_stop() {
if pgrep -u $USERNAME -f $SERVICE > /dev/null ; then
echo "Stopping $SERVICE"
as_user "screen -p 0 -S ${SCREENNAME} -X eval 'stuff \"say SERVER SHUTTING DOWN IN 10 SECONDS. Saving map...\"\015'"
as_user "screen -p 0 -S ${SCREENNAME} -X eval 'stuff \"save-all\"\015'"
sleep 10
as_user "screen -p 0 -S ${SCREENNAME} -X eval 'stuff \"stop\"\015'"
sleep 7
else
echo "$SERVICE was not running."
fi
if pgrep -u $USERNAME -f $SERVICE > /dev/null ; then
echo "Error! $SERVICE could not be stopped."
else
echo "$SERVICE is stopped."
fi
}
mc_update() {
if pgrep -u $USERNAME -f $SERVICE > /dev/null ; then
echo "$SERVICE is running! Will not start update."
else
as_user "cd $MCPATH && wget -q -O $MCPATH/versions --no-check-certificate https://piston-meta.mojang.com/mc/game/version_manifest.json"
if [ "$1" == "snapshot" ] ; then
JSONVERSION=`cd $MCPATH && cat versions | python -c "exec(\"import json,sys\nobj=json.load(sys.stdin)\nversion=obj['latest']['snapshot']\nfor v in obj['versions']:\n if v['id']==version:\n print(v['url'])\")"`
else
JSONVERSION=`cd $MCPATH && cat versions | python -c "exec(\"import json,sys\nobj=json.load(sys.stdin)\nversion=obj['latest']['release']\nfor v in obj['versions']:\n if v['id']==version:\n print(v['url'])\")"`
fi
as_user "cd $MCPATH && wget -q -O $MCPATH/versions --no-check-certificate $JSONVERSION"
MC_SERVER_URL=`cd $MCPATH && cat versions | python -c 'import json,sys;obj=json.load(sys.stdin);print(obj["downloads"]["server"]["url"])'`
as_user "rm $MCPATH/versions"
as_user "cd $MCPATH && wget -q -O $MCPATH/minecraft_server.jar.update --no-check-certificate $MC_SERVER_URL"
if [ -f $MCPATH/minecraft_server.jar.update ] ; then
if `diff $MCPATH/$SERVICE $MCPATH/minecraft_server.jar.update >/dev/null` ; then
echo "You are already running the latest version of $SERVICE."
else
as_user "mv $MCPATH/minecraft_server.jar.update $MCPATH/$SERVICE"
echo "Minecraft successfully updated."
fi
else
echo "Minecraft update could not be downloaded."
fi
fi
}
mc_backup() {
mc_saveoff
NOW=`date "+%Y-%m-%d_%Hh%M"`
BACKUP_FILE="$BACKUPPATH/${WORLD}_${NOW}.tar"
echo "Backing up minecraft world..."
#as_user "cd $MCPATH && cp -r $WORLD $BACKUPPATH/${WORLD}_`date "+%Y.%m.%d_%H.%M"`"
as_user "tar -C \"$MCPATH\" -cf \"$BACKUP_FILE\" $WORLD"
echo "Backing up $SERVICE"
as_user "tar -C \"$MCPATH\" -rf \"$BACKUP_FILE\" $SERVICE"
#as_user "cp \"$MCPATH/$SERVICE\" \"$BACKUPPATH/minecraft_server_${NOW}.jar\""
mc_saveon
echo "Compressing backup..."
as_user "gzip -f \"$BACKUP_FILE\""
echo "Done."
}
mc_command() {
command="$1";
if pgrep -u $USERNAME -f $SERVICE > /dev/null ; then
pre_log_len=`wc -l "$MCPATH/logs/latest.log" | awk '{print $1}'`
echo "$SERVICE is running... executing command"
as_user "screen -p 0 -S ${SCREENNAME} -X eval 'stuff \"$command\"\015'"
sleep .1 # assumes that the command will run and print to the log file in less than .1 seconds
# print output
tail -n $((`wc -l "$MCPATH/logs/latest.log" | awk '{print $1}'`-$pre_log_len)) "$MCPATH/logs/latest.log"
fi
}
mc_listen() {
if pgrep -u $USERNAME -f $SERVICE > /dev/null ; then
as_user "tail -f $MCPATH/logs/latest.log"
else
echo "$SERVICE is not running. Cannot listen to server."
fi
}
#Start-Stop here
case "$1" in
start)
mc_start
;;
stop)
mc_stop
;;
restart)
mc_stop
mc_start
;;
update)
mc_stop
mc_backup
mc_update $2
mc_start
;;
backup)
mc_backup
;;
status)
if pgrep -u $USERNAME -f $SERVICE > /dev/null ; then
echo "$SERVICE is running."
else
echo "$SERVICE is not running."
fi
;;
command)
if [ $# -gt 1 ] ; then
shift
mc_command "$*"
else
echo "Must specify server command (try 'help'?)"
fi
;;
listen)
mc_listen
;;
*)
echo "Usage: $0 {start|stop|update|backup|status|restart|command \"server command\"}"
exit 1
;;
esac
exit 0
apt-get install python)使用你所好的编辑器在/etc/init.d/下创建叫做minecraft的文件并将上面的脚本粘贴进该文件。
根据你的配置编辑USERNAME和MCPATH变量。如果你想使用外覆脚本,更改INVOCATION来启动而不是直接从服务端启动。
确保新创建的文件拥有必需的权限,你可以以此设置权限:
chmod a+x /etc/init.d/minecraft
然后运行(在基于Debian的发行版)
update-rc.d minecraft defaults
若使用启用了基于依赖的启动(dependency-based booting)的Debian 6.0启动,则使用insserv命令。若一切正常,insserv将没有输出。若想确认,检查$?中的错误码。
insserv minecraft
在CentOS和RHEL(Redhat企业版Linux)上,你将需要将进程添加至chkconfig列表,由chkconfig在systemd下管理启动脚本。
chkconfig --add minecraft
要检查该进程是否正确完成,使用ntsysv命令来持续滚动直至看到minecraft进程(如果不重复chkconfig命令来添加所需的符号链接)。
注意: 你的系统很可能会警告你该脚本不满足所有需求。然而脚本还是会运行。
你也可以在你的crontab下配置条目来备份服务端。一个crontab例子是每半小时备份一次:
crontab -e
并添加这个:
0,30 * * * * /etc/init.d/minecraft backup
如果由于你不知道如何使用vi而导致上述尝试失败,尝试:
VISUAL=/usr/bin/nano crontab -e
(在基于debian的GNU/Linux发行版中)
update-rc.d -f minecraft remove
(在CentOS/RHEL中)
chkconfig --del minecraft
在大多数系统上可以通过以下命令调用脚本,其中“(command)”可以是“stop”、“start”、“restart”或任何所支持的其他选项:
/etc/init.d/minecraft (command)
在大多数基于RedHat或Debian的发行版中,可以使用service命令,以此调用:
service minecraft (command)
要查看屏幕,使用:
screen -r
要退出屏幕,使用:
CTRL+a+d
如果仍要查看实时日志文件,请在服务器目录中使用此命令:
tail -f logs/latest.log
以下的这些脚本提供的函数与上述脚本相同,但包含了更多有用的特性:
教程(作下划线标记的教程为中文独有教程) |
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