Riak KV is a distributed NoSQL database that distributes data across numerous servers to optimize data availability. CentOS may also be used to install the Riak KV base.
At the present, the base has been tested and works on the following Ubuntu and Debian versions:
- Ubuntu 16.04;
- Debian 8.11.
Other versions are not guaranteed to work.
Installation
The first thing that has to be done is to incorporate the repository into the system. In order to accomplish this, there is a specialized script that can configure the file and save it to the /etc/apt/sources.list.d directory under the name basho.list. The only thing left to do is execute the script after providing the distribution and version information.
Create a script.sh file:
nano script.sh
We add the following lines to it, where OS refers to the operating system (which might be Ubuntu or Debian), and DIST refers to the version of your operating system (which could be Xenial in the case of Ubuntu or 8 in the case of Debian):
#!/bin/bash
HOSTNAME=hostname -f
FILENAME=/etc/apt/sources.list.d/basho.list
OS=ubuntu
DIST=xenial
PACKAGE_CLOUD_RIAK_DIR=https://packagecloud.io/install/repositories/basho/riak
curl "${PACKAGE_CLOUD_RIAK_DIR}/config_file.list?os=${OS}&dist=${DIST}&name=${HOSTNAME}" > $FILENAME
After you have saved the script.sh file, you need to run it. To do this, enter the following command in the location where the file is located:
sh script.sh
Following that, the script will immediately add two Riak repositories automatically. Update the list of available packages (you may see an error stating that the GPG key could not be located; continue anyway):
apt-get update
Install Riak:
apt-get install riak
After that, you have to begin the Riak process. Execute the following command in order to do this:
riak start
If you execute the program and get an error as a consequence, all you need to do is add two values to the file that is located in /etc/security/limits.conf. When I first opened the file:
nano /etc/security/limits.conf
Move to the end of the file and insert 2 lines:
* soft nofile 65536* hard nofile 65536
Save the file and restart Riak:
riak restart
As a consequence of this, the command ought should send an ok response to the console. This will indicate that Riak has completed a restart, and you may test to see if it is functioning properly, for instance, by obtaining the attributes of Riak:
curl -v http://127.0.0.1:8098/types/default/props
As a result, you will get output like this:
Riak KV installation on Ubuntu 16.04 and Debian 8 is finished now that this step has been completed.
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