Prerequisites

The minimum recommended version of RHEL is 7 or higher

Installation

First of all, download the FEJ distribution. The recent version of the packages is available at https://clientspace.b2bits.com/
The packages names look like:
- RHEL package: fixedge-java-1.8.0.268-1.el7.x86_64.rpm
- Debian package: fixedge-java_1.8.0.268_amd64.deb.
To install the package on RHEL, run the following command as a root or using sudo (installation requires superuser permissions):
```
yum install ./fixedge-java-1.8.0.268-1.el7.x86_64.rpm
```
To install the package on Ubuntu, run the following command (installation requires superuser permissions):
```
sudo apt install ./fixedge-java_1.8.0.268_amd64.deb
```

The FIXEdge Java package has the following structure:

Directory	Purpose
`/etc/fixedge-java`	Configuration files
`/etc/fixedge-java/spring`	Custom Spring configuration, initially it is empty
`/usr/lib/fixedge-java/<VERSION>`	FIXEdge Java binaries
`/usr/lib/fixedge-java/<VERSION>/sysconf`	Default Spring configuration
`/usr/share/doc/fixedge-java`	Documentation and examples
`/var/log/fixedge-java`	Application logs
`/var/lib/fixedge-java`	Application state: FIX sessions logs

Copy the license file (fixaj2-license.bin) to the configuration directory (/etc/fixedge-java).
The installation creates the fixedge-java group. So if it's required to get access to the logs or configuration from another user, the user should be added to the fixedge-java group.
On RHEL it can be done with the command:

sudo usermod <user> –a –G fixedge-java
Make sure that the license file is also accessible by the fixedge-java group.

cd /usr/bin/fixedge-java/
./FIXEdgeJ

Uninstall package

To uninstall the package on RHEL, run the following command as a root or using sudo (installation requires superuser permissions):

yum remove fixedge-java

To uninstall the package on Ubuntu, run the following command (installation requires superuser permissions):

sudo apt remove fixedge-java