In a previous post, I ran over how to install the UniFi controller on CentOS.
In this post, I will show how to upgrade the installation, as they upgrade their software, you can follow along in the RHEL world.
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Download the Update
Download the release from the UniFi blog.
https://community.ubnt.com/t5/UniFi-Updates-Blog/bg-p/Blog_UniFi
I prefer a wget on the local server.
[user@RHEL-Server ~]# wget http://www.ubnt.com/downloads/unifi/3.2.7/UniFi.unix.zip
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Stop the Service
In the post I did, I named the service UniFi.
[user@RHEL-Server ~]# service stop UniFi
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Move Old Folder
In my example, the folder for UniFi controller is /opt/UniFi.
So, here well move it to an ‘old’ folder.
[user@RHEL-Server ~]# mv /opt/UniFi /opt/UniFi-old
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Unzip and Move the New Folder
Find your zip that you downloaded (mine’s in ~/) and unzip it.
[user@RHEL-Server ~]# unzip ./Unifi.unix.zip
[user@RHEL-Server ~]# mv ./UniFi /opt/
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Move the Data Dir back
Move the folder with all your data back into the newly created folder.
[user@RHEL-Server ~]# mv /opt/UniFi-old/data /opt/UniFi
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Start the UniFi Service
[user@RHEL-Server ~]# service UniFi start
All done. Log back in and enjoy.