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xrpl-dev-portal/content/tutorials/manage-the-rippled-server/install-rippled.md
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Install rippled

For production, you can install a rippled instance using Ripple's binary executable for Ubuntu or CentOS/Red Hat.

For development, you can install a rippled instance using Ripple's binary executable for macOS, or you can build and run rippled from source for Ubuntu.

For installation information for other platforms, see the rippled repository.

Minimum System Requirements

A rippled server should run comfortably on commodity hardware, to make it inexpensive to participate in the network. At present, we recommend the following minimum requirements:

  • Operating System:
    • Production: CentOS or RedHat Enterprise Linux (latest release) or Ubuntu (16.04+) supported
    • Development: Mac OS X, Windows (64-bit), or most Linux distributions
  • CPU: 64-bit x86_64, 2+ cores
  • Disk: Minimum 50GB SSD recommended (1000 IOPS, more is better) for the database partition
  • RAM:
    • Testing: 8GB+
    • Production: 32 GB

Amazon EC2's m3.large VM size may be appropriate depending on your workload. A fast network connection is preferable. Any increase in a server's client-handling load increases resources needs.

Tip: For recommendations beyond the minimum requirements, see Capacity Planning.

Installation on Ubuntu with alien

This section assumes that you are using Ubuntu 15.04 or later.

  1. Install yum-utils and alien:

     $ sudo apt-get update
 $ sudo apt-get install yum-utils alien

  2. Install the Ripple RPM repository:

     $ sudo rpm -Uvh https://mirrors.ripple.com/ripple-repo-el7.rpm

  3. Download the rippled software package:

     $ yumdownloader --enablerepo=ripple-stable --releasever=el7 rippled

  4. Verify the signature on the rippled software package:

     $ sudo rpm --import https://mirrors.ripple.com/rpm/RPM-GPG-KEY-ripple-release && rpm -K rippled*.rpm

  5. Install the rippled software package:

     $ sudo alien -i --scripts rippled*.rpm && rm rippled*.rpm

  6. Configure the rippled service to start on system boot:

     $ sudo systemctl enable rippled.service

  7. Start the rippled service

     $ sudo systemctl start rippled.service

  8. Verify that rippled has started.

     $ sudo systemctl status rippled

For next steps, see Postinstall and Additional Configuration.

Installation on CentOS/Red Hat with yum

This section assumes that you are using CentOS 7 or Red Hat Enterprise Linux 7.

  1. Install the Ripple RPM repository:

     $ sudo rpm -Uvh https://mirrors.ripple.com/ripple-repo-el7.rpm

  2. Install the rippled software package:

     $ sudo yum install --enablerepo=ripple-stable rippled

  3. Configure the rippled service to start on system boot:

     $ sudo systemctl enable rippled.service

  4. Start the rippled service

     $ sudo systemctl start rippled.service

  5. Verify that rippled has started.

     $ sudo systemctl status rippled

For next steps, see Postinstall and Additional Configuration.

Installation on macOS

At this time, we don't recommend using the macOS platform for rippled production use. For production, consider using the Ubuntu platform, which has received the highest level of quality assurance and testing.

That said, macOS is suitable for many development and testing tasks. rippled has been tested for use with macOS High Sierra up to 10.13.

{% set n = cycler(* range(1,99)) %}

{{n.next()}}. Install Xcode.

{{n.next()}}. Install Xcode command line tools.

    xcode-select --install

{{n.next()}}. Install Homebrew.

    ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

{{n.next()}}. Update Homebrew.

    brew update

{{n.next()}}. Use Homebrew to install dependencies.

    brew install git cmake pkg-config protobuf openssl ninja

{{n.next()}}. Install Boost 1.67.0. Currently, we support Boost 1.67 only.

    brew install boost@1.67

{{n.next()}}. Ensure that your BOOST_ROOT environment variable points to the directory created by the Boost installation. To find your Boost install directory, use brew info boost. Put this environment variable in your .bash_profile file so it's automatically set when you log in. For example:

    export BOOST_ROOT=/usr/local/Cellar/boost/1.67.0_1

{{n.next()}}. If you updated your .bash_profile file in the previous step, be sure to source it. For example:

    source .bash_profile

{{n.next()}}. Clone the rippled source code into your desired location and access the rippled directory. To do this, you'll need to set up Git (installed earlier using Homebrew) and GitHub. For example, you'll need to create a GitHub account and set up your SSH key. For more information, see Set up git.

    git clone git@github.com:ripple/rippled.git
    cd rippled

{{n.next()}}. By default, cloning puts you on the develop branch. Use this branch if you are doing development work and want the latest set of untested features.

  If you want the latest stable release, checkout the `master` branch.

    git checkout master

  If you want to test out the latest release candidate, checkout the `release` branch:

    git checkout release

  Or, you can checkout one of the tagged releases listed on [GitHub](https://github.com/ripple/rippled/releases).

{{n.next()}}. In the rippled directory you just cloned, create your build directory and access it. For example:

    mkdir my_build
    cd my_build

{{n.next()}}. Build rippled. This could take about 5 minutes, depending on your hardware specs.

    cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Debug ..

  You can set `CMAKE_BUILD_TYPE` to the `Debug` or `Release` build type. All four standard [`CMAKE_BUILD_TYPE`](https://cmake.org/cmake/help/v3.0/variable/CMAKE_BUILD_TYPE.html) values are supported.

{{n.next()}}. Run the build using CMake. This could take about 10 minutes, depending on your hardware specs.

    cmake --build . -- -j 4

  **Tip:** This example uses a `-j` parameter set to `4`, which uses four processes to build in parallel. The best number of processes to use depends on how many CPU cores your hardware has available. Use `sysctl -n hw.ncpu` to get your CPU core count.

{{n.next()}}. Run unit tests built into the server executable. This could take about 5 minutes, depending on your hardware specs. (optional, but recommended) 

    ./rippled --unittest

{{n.next()}}. rippled requires the rippled.cfg configuration file to run. You can find an example config file, rippled-example.cfg in rippled/cfg. Make a copy and save it as rippled.cfg in a location that enables you to run rippled as a non-root user. Access the rippled directory and run:

    mkdir -p /etc/opt/ripple ***TODO: changed this from ~/.config/ripple to match guidance coming in conf-file-location.md PR -- okay?***
    cp cfg/rippled-example.cfg /etc/opt/ripple/rippled.cfg

{{n.next()}}. Edit rippled.cfg to set necessary file paths. The user you plan to run rippled as must have write permissions to all of the paths you specify here. TODO: We need to add this step to the centos and ubuntu tasks, correct? For centos and ubuntu, the config files are automatically placed in the correct directories, but the following paths still need to be manually checked/updated to ensure that there are no permission issues, correct?

  * Set the `[node_db]` path to the location where you want to store the ledger database.

  * Set the `[database_path]` to the location where you want to store other database data. (This includes an SQLite database with configuration data, and is typically one level above the `[node_db]` path field.)

  * Set the `[debug_logfile]` to a path where `rippled` can write logging information.

  These are the only configurations required for `rippled` to start up successfully. All other configuration is optional and can be tweaked after you have a working server. For more information, see [Additional Configurations](#additional-configuration).

{{n.next()}}. rippled requires the validators.txt file to run. You can find an example validators file, validators-example.txt, in rippled/cfg/. Make a copy and save it as validators.txt in the same folder as your rippled.cfg file. Access the rippled directory and run:

    cp cfg/validators-example.txt /etc/opt/ripple ***TODO: changed this from ~/.config/ripple to match guidance coming in conf-file-location.md PR -- okay?***

  **Warning:** Ripple has designed a decentralization plan with maximum safety in mind. During the transition, you should not modify the `validators.txt` file except as recommended by Ripple. Even minor modifications to your validator settings could cause your server to diverge from the rest of the network and report out of date, incomplete, or inaccurate data. Acting on such data can cause you to lose money.

{{n.next()}}. Access your build directory, my_build for example, and start the rippled service.

    sudo ./rippled

  Here's an excerpt of what you can expect to see in your terminal:

      2018-Oct-26 18:21:39.593738 JobQueue:NFO Auto-tuning to 6 validation/transaction/proposal threads.
      2018-Oct-26 18:21:39.599634 Amendments:DBG Amendment 4C97EBA926031A7CF7D7B36FDE3ED66DDA5421192D63DE53FFB46E43B9DC8373 is supported.
      2018-Oct-26 18:21:39.599874 Amendments:DBG Amendment 6781F8368C4771B83E8B821D88F580202BCB4228075297B19E4FDC5233F1EFDC is supported.
      2018-Oct-26 18:21:39.599965 Amendments:DBG Amendment 42426C4D4F1009EE67080A9B7965B44656D7714D104A72F9B4369F97ABF044EE is supported.
      2018-Oct-26 18:21:39.600024 Amendments:DBG Amendment 08DE7D96082187F6E6578530258C77FAABABE4C20474BDB82F04B021F1A68647 is supported.
      ...
      2018-Oct-26 18:21:39.603201 OrderBookDB:DBG Advancing from 0 to 3
      2018-Oct-26 18:21:39.603291 OrderBookDB:DBG OrderBookDB::update>
      2018-Oct-26 18:21:39.603480 OrderBookDB:DBG OrderBookDB::update< 0 books found
      2018-Oct-26 18:21:39.649617 ValidatorList:DBG Loading configured trusted validator list publisher keys
      2018-Oct-26 18:21:39.649709 ValidatorList:DBG Loaded 0 keys
      2018-Oct-26 18:21:39.649798 ValidatorList:DBG Loading configured validator keys
      2018-Oct-26 18:21:39.650213 ValidatorList:DBG Loaded 5 entries
      2018-Oct-26 18:21:39.650266 ValidatorSite:DBG Loading configured validator list sites
      2018-Oct-26 18:21:39.650319 ValidatorSite:DBG Loaded 0 sites
      2018-Oct-26 18:21:39.650829 NodeObject:DBG NodeStore.main target size set to 131072
      2018-Oct-26 18:21:39.650876 NodeObject:DBG NodeStore.main target age set to 120000000000
      2018-Oct-26 18:21:39.650931 TaggedCache:DBG LedgerCache target size set to 256
      2018-Oct-26 18:21:39.650981 TaggedCache:DBG LedgerCache target age set to 180000000000
      2018-Oct-26 18:21:39.654252 TaggedCache:DBG TreeNodeCache target size set to 512000
      2018-Oct-26 18:21:39.654336 TaggedCache:DBG TreeNodeCache target age set to 90000000000
      2018-Oct-26 18:21:39.674131 NetworkOPs:NFO Consensus time for #3 with LCL AF8D8984A226AE7099D8A9749B09CE1D84360D5AF9FB86CE2F37500FE1009F9D
      2018-Oct-26 18:21:39.674271 ValidatorList:DBG 5  of 5 listed validators eligible for inclusion in the trusted set
      2018-Oct-26 18:21:39.674334 ValidatorList:DBG Using quorum of 4 for new set of 5 trusted validators (5 added, 0 removed)
      2018-Oct-26 18:21:39.674400 LedgerConsensus:NFO Entering consensus process, watching, synced=no
      2018-Oct-26 18:21:39.674475 LedgerConsensus:NFO Consensus mode change before=observing, after=observing
      2018-Oct-26 18:21:39.674539 NetworkOPs:DBG Initiating consensus engine
      2018-Oct-26 18:21:39.751225 Server:NFO Opened 'port_rpc_admin_local' (ip=127.0.0.1:5005, admin IPs:127.0.0.1, http)
      2018-Oct-26 18:21:39.751515 Server:NFO Opened 'port_peer' (ip=0.0.0.0:51235, peer)
      2018-Oct-26 18:21:39.751689 Server:NFO Opened 'port_ws_admin_local' (ip=127.0.0.1:6006, admin IPs:127.0.0.1, ws)
      2018-Oct-26 18:21:39.751915 Application:FTL Startup RPC:
      {
      	"command" : "log_level",
      	"severity" : "warning"
      }
      2018-Oct-26 18:21:39.752079 Application:FTL Result: {}
      2018-Oct-26 18:22:33.013409 NetworkOPs:WRN We are not running on the consensus ledger
      2018-Oct-26 18:22:33.013875 LedgerConsensus:WRN Need consensus ledger 81804C95ADE119CC874572BAF24DB0C0D240AC58168597951B0CB64C4DA2C628
      2018-Oct-26 18:22:33.883648 LedgerConsensus:WRN View of consensus changed during open status=open,  mode=wrongLedger
      2018-Oct-26 18:22:33.883815 LedgerConsensus:WRN 81804C95ADE119CC874572BAF24DB0C0D240AC58168597951B0CB64C4DA2C628 to 9250C6C8326A48C339E6F99167F4E6BFD0DB00C35518027724D7B376340D21A1
      2018-Oct-26 18:22:33.884068 LedgerConsensus:WRN {"accepted":true,"account_hash":"BBA0E7273005D42E5548DD6456E5AD1F7C89B6EDCB01881E1EECD393E8545947","close_flags":0,"close_time":593893350,"close_time_human":"2018-Oct-26 18:22:30.000000","close_time_resolution":30,"closed":true,"hash":"9250C6C8326A48C339E6F99167F4E6BFD0DB00C35518027724D7B376340D21A1","ledger_hash":"9250C6C8326A48C339E6F99167F4E6BFD0DB00C35518027724D7B376340D21A1","ledger_index":"3","parent_close_time":593893290,"parent_hash":"AF8D8984A226AE7099D8A9749B09CE1D84360D5AF9FB86CE2F37500FE1009F9D","seqNum":"3","totalCoins":"100000000000000000","total_coins":"100000000000000000","transaction_hash":"0000000000000000000000000000000000000000000000000000000000000000"}
      2018-Oct-26 18:23:03.034119 InboundLedger:WRN Want: D901E53926E68EFDA33172DDAC74E8C767D280B68EE68E3010AB0E3179D07B1C
      2018-Oct-26 18:23:03.034334 InboundLedger:WRN Want: 1C01EE79083DE5CE76F3634519D6364C589C4D48631CB9CD10FC2408F87684E2
      2018-Oct-26 18:23:03.034560 InboundLedger:WRN Want: 8CFE3912001BDC5B2C4B2691F3C7811B9F3F193E835D293459D80FBF1C4E684E
      2018-Oct-26 18:23:03.034750 InboundLedger:WRN Want: 8DFAD21AD3090DE5D6F7592B3821C3DA77A72287705B4CF98DC0F84D5DD2BDF8

For next steps, see Postinstall and Additional Configuration.

Postinstall

It can take several minutes for rippled to sync with the rest of the network, during which time it outputs warnings about missing ledgers.

Once your rippled has synchronized with the rest of the network, you have a fully functional stock rippled server that you can use for local signing and API access to the XRP Ledger. Use rippled server states to tell whether your rippled server has synchronized with the network.

For information about communicating with your rippled server using the rippled API, see the rippled API reference.

Once you have your stock rippled server running, you may want to consider running it as a validating server. For information about validating servers and why you might want to run one, see Run rippled as a Validator.

Additional Configuration

rippled should connect to the XRP Ledger with the default configurations. However, you can change your settings by editing the rippled.cfg file. For recommendations about configuration settings, see Capacity Planning.

Changes to the [node_db], [debug_logfile], or [database_path] sections may require you to give the rippled user and group ownership to your new configured path: TODO: I added [node_db] to this list - okay?

$ chown -R rippled:rippled <configured path> ***TODO: Is `rippled:rippled` just an example value? When I run this command on macOS, I get `chown: rippled: illegal group name.` When I run it on centos, I get chown: changing ownership of ... : Operation not permitted***

Restart rippled for any configuration changes to take effect: TODO: when I try this on macOS, I get sudo: service: command not found. I don't think the service command exists for macOS. For macOS, can the user just stop (ctrl+c? Not sure if that is the proper way to stop the service) and start rippled (sudo ./rippled) instead? For centos and ubuntu, we use sudo systemctl start rippled.service to start the service - below should we use sudo systemctl restart rippled.service - just to be consistent?

$ sudo service rippled restart

Connect Your rippled to the XRP Test Net

Ripple has created the XRP Test Network to provide a testing platform for the XRP Ledger. XRP Test Net funds are not real funds and are intended for testing only. You may want to connect your rippled server to the XRP Test Net to test out and understand rippled functionality before connecting to the production XRP Ledger Network. TODO: stated correctly?

Note: The XRP Test Net ledger and balances are reset on a regular basis.

To connect your rippled server to the XRP Test Net, set the following configurations:

  1. In your rippled.cfg file:

    a. Uncomment the following section, as follows:

     [ips]
 r.altnet.rippletest.net 51235

    b. Comment out the following section, as follows:

     # [ips]
 # r.ripple.com 51235

  2. In your validators.txt file:

    a. Uncomment the following sections, as follows:

     [validator_list_sites]
 https://vl.altnet.rippletest.net

 [validator_list_keys]
 ED264807102805220DA0F312E71FC2C69E1552C9C5790F6C25E3729DEB573D5860

    b. Comment out the following sections, as follows:

     # [validator_list_sites]
 # https://vl.ripple.com
 #
 # [validator_list_keys]
 # ED2677ABFFD1B33AC6FBC3062B71F1E8397C1505E1C42C64D11AD1B28FF73F4734

  3. Restart rippled.

  4. To verify that your rippled is connected to the XRP Test Net, go to the XRP Test Net Faucet and click Generate credentials. Make a note of the Address value. Make the account_info request to your rippled server. TODO: Any ideas for a better way to this check?

    If the request returns account information, your rippled is connected to the XRP Test Net. If the request cannot find the account, your rippled is not connected to the XRP Test Net. Check your rippled.cfg and validators.txt configurations.