Upgrade the MapR POSIX Client on a Linux Server

About this task

To upgrade the MapR POSIX client on a RHEL, SUSE, or Ubuntu server, you must upgrade the mapr-loopbacknfs package.

NOTE: To migrate the MapR POSIX Client to a FUSE-based POSIX client, see MIgrating to FUSE-based POSIX Clients.

Stop the mapr-lookbacknfs service.
```
service mapr-loopbacknfs stop
```
Upgrade the mapr-loopbacknfs package.
- On RedHat / CentOS: yum upgrade mapr-loopbacknfs
- On SUSE: zypper update mapr-loopbacknfs
- On Ubuntu: apt-get install mapr-loopbacknfs
Update the cluster configuration information in the mapr-loopbacknfs.new file.
```
vi /usr/local/mapr-loopbacknfs/initscripts/mapr-loopbacknfs.new
```

Copy mapr-loopbacknfs.new to the mapr-loopbacknfs script

cp
/usr/local/mapr-loopbacknfs/initscripts/mapr-loopbacknfs.new
/usr/local/mapr-loopbacknfs/initscripts/mapr-loopbacknfs

Start the loopbacknfs service.
```
service mapr-loopbacknfs start
```
Check the status of the loopbacknfs service.
```
service mapr-loopbacknfs status
```