環境
- Ubuntu 18.04.2 LTS
- シンガポールリージョン の T2.micro
AWSの既存のインスタンスを使ってみましたが、メモリが少なすぎてうまくいきませんでした。
改めてチャレンジ予定。
ポートを開ける。
minecraft_server.1.15.2.jar
jdk1.8をインストール
$ sudo apt install openjdk-8-jdk
サーバプログラムの用意
ここからURLをコピーして
https://www.minecraft.net/ja-jp/download/server/
サーバをダウンロードして
$ wget https://launcher.mojang.com/v1/objects/bb2b6b1aefcd70dfd1892149ac3a215f6c636b07/server.jar
server.jar という名前で落ちてくるので、名前を変更
$ mv server.jar minecraft_server.1.15.2.jar
起動→失敗!
サーバのロードアベレージを見てみる
$ top
top - 04:52:25 up 38 days, 10:53, 1 user, load average: 0.04, 0.12, 0.06
Tasks: 93 total, 1 running, 52 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.0 us, 0.3 sy, 0.0 ni, 99.7 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 1007612 total, 93060 free, 196672 used, 717880 buff/cache
KiB Swap: 0 total, 0 free, 0 used. 644768 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
31248 ubuntu 20 0 44516 3924 3332 R 0.3 0.4 0:00.01 top
1 root 20 0 225416 8580 6136 S 0.0 0.9 0:25.72 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
4 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/0:0H
6 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 mm_percpu_wq
7 root 20 0 0 0 0 S 0.0 0.0 0:03.68 ksoftirqd/0
8 root 20 0 0 0 0 I 0.0 0.0 0:05.66 rcu_sched
9 root 20 0 0 0 0 I 0.0 0.0 0:00.00 rcu_bh
10 root rt 0 0 0 0 S 0.0 0.0 0:00.00 migration/0
11 root rt 0 0 0 0 S 0.0 0.0 0:09.07 watchdog/0
12 root 20 0 0 0 0 S 0.0 0.0 0:00.00 cpuhp/0
13 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kdevtmpfs
14 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 netns
15 root 20 0 0 0 0 S 0.0 0.0 0:00.00 rcu_tasks_kthre
16 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kauditd
17 root 20 0 0 0 0 S 0.0 0.0 0:00.00 xenbus
18 root 20 0 0 0 0 S 0.0 0.0 0:00.01 xenwatch
20 root 20 0 0 0 0 S 0.0 0.0 0:01.01 khungtaskd
21 root 20 0 0 0 0 S 0.0 0.0 0:00.00 oom_reaper
22 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 writeback
23 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kcompactd0
メモリ１G だけど、試しに起動してみる
$ java -Xms1024M -Xmx1024M -jar minecraft_server.1.15.2.jar nogui
[04:54:09] [main/ERROR]: Failed to load properties from file: server.properties
[04:54:09] [main/WARN]: Failed to load eula.txt
[04:54:09] [main/INFO]: You need to agree to the EULA in order to run the server. Go to eula.txt for more info.
EULAを書き換える
$ vi eula.txt
もう一度起動
$ java -Xms1024M -Xmx1024M -jar minecraft_server.1.15.2.jar nogui
[04:54:57] [main/WARN]: Ambiguity between arguments [teleport, destination] and [teleport, targets] with inputs: [Player, 0123, @e, dd12be42-52a9-4a91-a8a1-11c01849e498]
[04:54:57] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[04:54:57] [main/WARN]: Ambiguity between arguments [teleport, location] and [teleport, targets] with inputs: [0.1 -0.5 .9, 0 0 0]
[04:54:57] [main/WARN]: Ambiguity between arguments [teleport, targets] and [teleport, destination] with inputs: [Player, 0123, dd12be42-52a9-4a91-a8a1-11c01849e498]
[04:54:57] [main/WARN]: Ambiguity between arguments [teleport, targets, location] and [teleport, targets, destination] with inputs: [0.1 -0.5 .9, 0 0 0]
[04:54:57] [Server thread/INFO]: Starting minecraft server version 1.15.2
[04:54:57] [Server thread/INFO]: Loading properties
[04:54:57] [Server thread/INFO]: Default game type: SURVIVAL
[04:54:57] [Server thread/INFO]: Generating keypair
[04:54:58] [Server thread/INFO]: Starting Minecraft server on *:25565
[04:54:58] [Server thread/INFO]: Using epoll channel type
[04:54:58] [Server thread/INFO]: Preparing level "world"
[04:54:59] [Server thread/INFO]: Found new data pack vanilla, loading it automatically
[04:54:59] [Server thread/INFO]: Reloading ResourceManager: Default
[04:55:03] [Server thread/INFO]: Loaded 6 recipes
[04:55:04] [Server thread/INFO]: Loaded 825 advancements
[04:55:46] [Server thread/INFO]: Preparing start region for dimension minecraft:overworld
[04:55:47] [Server-Worker-1/INFO]: Preparing spawn area: 0%
[04:55:47] [Server-Worker-1/INFO]: Preparing spawn area: 0%
[04:55:47] [Server-Worker-1/INFO]: Preparing spawn area: 0%
[04:55:48] [Server-Worker-1/INFO]: Preparing spawn area: 0%
[04:55:48] [Server-Worker-1/INFO]: Preparing spawn area: 0%
[04:55:49] [Server-Worker-1/INFO]: Preparing spawn area: 0%
[04:55:50] [Server-Worker-1/INFO]: Preparing spawn area: 0%
[04:55:50] [Server-Worker-1/INFO]: Preparing spawn area: 0%
[04:55:51] [Server-Worker-1/INFO]: Preparing spawn area: 0%
[04:55:51] [Server-Worker-1/INFO]: Preparing spawn area: 0%
[04:55:51] [Server-Worker-1/INFO]: Preparing spawn area: 0%
[04:55:52] [Server-Worker-1/INFO]: Preparing spawn area: 1%
[04:55:52] [Server-Worker-1/INFO]: Preparing spawn area: 2%
[04:55:53] [Server-Worker-1/INFO]: Preparing spawn area: 2%
[04:55:54] [Server-Worker-1/INFO]: Preparing spawn area: 2%
[04:55:54] [Server-Worker-1/INFO]: Preparing spawn area: 3%
[04:55:55] [Server-Worker-1/INFO]: Preparing spawn area: 3%
[04:55:55] [Server-Worker-1/INFO]: Preparing spawn area: 4%
[04:55:55] [Server-Worker-1/INFO]: Preparing spawn area: 5%
[04:55:56] [Server-Worker-1/INFO]: Preparing spawn area: 5%
[04:55:56] [Server-Worker-1/INFO]: Preparing spawn area: 6%
[04:55:57] [Server-Worker-1/INFO]: Preparing spawn area: 7%
[04:55:57] [Server-Worker-1/INFO]: Preparing spawn area: 8%
[04:55:58] [Server-Worker-1/INFO]: Preparing spawn area: 9%
[04:55:58] [Server-Worker-1/INFO]: Preparing spawn area: 10%
[04:55:59] [Server-Worker-1/INFO]: Preparing spawn area: 11%
[04:55:59] [Server-Worker-1/INFO]: Preparing spawn area: 12%
[04:56:00] [Server-Worker-1/INFO]: Preparing spawn area: 14%
[04:56:00] [Server-Worker-1/INFO]: Preparing spawn area: 15%
[04:56:01] [Server-Worker-1/INFO]: Preparing spawn area: 16%
[04:56:01] [Server-Worker-1/INFO]: Preparing spawn area: 17%
[04:56:02] [Server-Worker-1/INFO]: Preparing spawn area: 18%
[04:56:02] [Server-Worker-1/INFO]: Preparing spawn area: 19%
[04:56:03] [Server-Worker-1/INFO]: Preparing spawn area: 21%
[04:56:03] [Server-Worker-1/INFO]: Preparing spawn area: 22%
[04:56:04] [Server-Worker-1/INFO]: Preparing spawn area: 24%
[04:56:04] [Server-Worker-1/INFO]: Preparing spawn area: 24%
[04:56:05] [Server-Worker-1/INFO]: Preparing spawn area: 26%
[04:56:05] [Server-Worker-1/INFO]: Preparing spawn area: 27%
[04:56:06] [Server-Worker-1/INFO]: Preparing spawn area: 29%
[04:56:06] [Server-Worker-1/INFO]: Preparing spawn area: 31%
[04:56:07] [Server-Worker-1/INFO]: Preparing spawn area: 32%
[04:56:07] [Server-Worker-1/INFO]: Preparing spawn area: 33%
[04:56:08] [Server-Worker-1/INFO]: Preparing spawn area: 34%
[04:56:08] [Server-Worker-1/INFO]: Preparing spawn area: 36%
[04:56:09] [Server-Worker-1/INFO]: Preparing spawn area: 37%
[04:56:09] [Server-Worker-1/INFO]: Preparing spawn area: 38%
[04:56:10] [Server-Worker-1/INFO]: Preparing spawn area: 41%
[04:56:10] [Server-Worker-1/INFO]: Preparing spawn area: 43%
[04:56:11] [Server-Worker-1/INFO]: Preparing spawn area: 44%
[04:56:11] [Server-Worker-1/INFO]: Preparing spawn area: 45%
[04:56:12] [Server-Worker-1/INFO]: Preparing spawn area: 48%
[04:56:12] [Server-Worker-1/INFO]: Preparing spawn area: 50%
[04:56:13] [Server-Worker-1/INFO]: Preparing spawn area: 51%
[04:56:13] [Server-Worker-1/INFO]: Preparing spawn area: 53%
[04:56:14] [Server-Worker-1/INFO]: Preparing spawn area: 55%
[04:56:14] [Server-Worker-1/INFO]: Preparing spawn area: 58%
[04:56:15] [Server-Worker-1/INFO]: Preparing spawn area: 61%
[04:56:15] [Server-Worker-1/INFO]: Preparing spawn area: 64%
[04:56:16] [Server-Worker-1/INFO]: Preparing spawn area: 67%
[04:56:16] [Server-Worker-1/INFO]: Preparing spawn area: 69%
[04:56:17] [Server-Worker-1/INFO]: Preparing spawn area: 72%
[04:56:17] [Server-Worker-1/INFO]: Preparing spawn area: 74%
[04:56:18] [Server-Worker-1/INFO]: Preparing spawn area: 77%
[04:56:18] [Server-Worker-1/INFO]: Preparing spawn area: 80%
[04:56:19] [Server-Worker-1/INFO]: Preparing spawn area: 83%
[04:56:19] [Server-Worker-1/INFO]: Preparing spawn area: 85%
[04:56:20] [Server-Worker-1/INFO]: Preparing spawn area: 87%
[04:56:20] [Server-Worker-1/INFO]: Preparing spawn area: 88%
[04:56:21] [Server-Worker-1/INFO]: Preparing spawn area: 90%
[04:56:21] [Server-Worker-1/INFO]: Preparing spawn area: 93%
[04:56:22] [Server-Worker-1/INFO]: Preparing spawn area: 96%
[04:56:22] [Server-Worker-1/INFO]: Preparing spawn area: 99%
[04:56:22] [Server thread/INFO]: Time elapsed: 36086 ms
[04:56:23] [Server thread/INFO]: Done (84.106s)! For help, type "help"
[04:57:25] [Server Watchdog/FATAL]: A single server tick took 60.06 seconds (should be max 0.05)
[04:57:26] [Server Watchdog/FATAL]: Considering it to be crashed, server will forcibly shutdown.
[05:09:32] [Server Watchdog/ERROR]: This crash report has been saved to: /home/ubuntu/minecraft_server/./crash-reports/crash-2020-04-06_05.08.53-server.txt
うーん、落ちた。元々メモリ1Gしかないのに1G指定で起動したから当然かな。
別のインスタンスを用意して、再チャレンジしてみます。