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This section covers installing Squirro on a supported Linux system, either Red Hat® Enterprise Linux® (RHEL) or its open source derivative CentOS Linux.

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The installation of the base system is not covered in this manual. A fully functional RHEL or CentOS installation is assumed to be set up. The supported versions of these Linux distributions are documented on the System (Hardware) Requirements page.

If you want to avoid setting up Linux yourself, there are pre-installed images available for VMWare and VirtualBox. See the Installation section for information on these methods.

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Code Block
yum install jre

Python (Offline Install)

For offline installs, we also provide python packages on the Squirro mirror. Please follow the steps below:

Code Block
yum install python27-python

Python (Online Install)

Squirro depends on Python, which is provided by a separate YUM repository. Execute the following commands to set up this repository. Please answer y for yes in response to the yum install command prompts.

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Note

You can choose to run MySql server and Redis servers remotely, i.e. not residing on the Squirro Cluster Node if you go through the trouble of setting up MySql and Redis Server installations with a specific configuration.

To set up Squirro with remote MySql server and Redis server "Backends", please create a readable file /etc/squirro/backends.ini with the content:

Code Block
is_mysql_server_remote = true
is_redis_server_remote = true


Next install the following prerequisites:

RHEL6 / Centos 6RHEL7 / Centos 7

n/a

The default MySQL variant for MySQL on RHEL7/CentOS7 is MariaDB.

Please execute the following before you proceed further:

Code Block
languagebash
echo "Installing Squirro dependency MariaDB"
yum install -y mariadb-server
yum install -y policycoreutils-devel
if [ -f /lib/systemd/system/mariadb.service ]; then
    systemctl stop mariadb
    mv /lib/systemd/system/{mariadb,mysqld}.service
    systemctl enable mysqld
    systemctl start mysqld
fi

Once we have released MariaDb RPM packages, the corresponding upgrade will undo this indirection.

Installation of the Squirro cluster node happens with two separate packages. The first package installs the required Linux users and the second installs the services. Use the following commands for the installation:

Code Block
languagebash
yum install squirro-cluster-node-users
yum install squirro-cluster-node

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