### sakura vpsの契約
1GB メモリ、100ssdで契約する。1ヶ月990円。
OSはalma linuxをインストール
### メモリ増強
1GBでは足りないらしいので、メモリを増強する
$ sudo fallocate -l 8G /swapfile
$ sudo chmod 600 /swapfile
$ sudo mkswap /swapfile
Setting up swapspace version 1, size = 8 GiB (8589930496 bytes)
no label, UUID=6a1c4a72-0340-40f3-be3a-9b7245afc3f0
$ sudo swapon /swapfile
$ free
total used free shared buff/cache available
Mem: 985552 126696 506488 31216 352368 689008
Swap: 8388604 0 8388604
### ポート解放
パケットフィルターでTCPの8333ポートを解放する
### alma linuxにbitcoin coreをinstall
$ sudo dnf install epel-release
$ sudo dnf upgrade
$ sudo dnf install snapd
$ sudo systemctl enable –now snapd.socket
$ sudo ln -s /var/lib/snapd/snap /snap
$ sudo snap install bitcoin-core
2023-10-31T08:08:07+09:00 INFO Waiting for automatic snapd restart…
bitcoin-core 25.1 from Bitcoin Core installed
### bit coin
$ bitcoin-core.cli –version
Bitcoin Core RPC client version v25.1.0
Copyright (C) 2009-2023 The Bitcoin Core developers
Please contribute if you find Bitcoin Core useful. Visit
The source code is available from
This is experimental software.
Distributed under the MIT software license, see the accompanying file COPYING
or
$ snap info bitcoin-core
name: bitcoin-core
summary: Fully validating Bitcoin peer-to-peer network node, wallet and GUI
publisher: Bitcoin Core
store-url: https://snapcraft.io/bitcoin-core
contact: https://github.com/bitcoin-core/packaging/issues/new?title=snap:
license: unset
description: |
Bitcoin Core connects to the Bitcoin peer-to-peer network to download and
fully validate blocks and transactions. It also includes a wallet and
graphical user interface.
commands:
– bitcoin-core.cli
– bitcoin-core.daemon
– bitcoin-core.qt
– bitcoin-core.tx
– bitcoin-core.util
– bitcoin-core.wallet
$ bitcoin-core.cli -getinfo
error: timeout on transient error: Could not connect to the server 127.0.0.1:8332
Make sure the bitcoind server is running and that you are connecting to the correct RPC port.
### 再起動
VPS再起動
$ bitcoin-core.daemon -testnet
snapでinstallすると、実行コマンドが違うので注意が必要
