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Topic Title: How do I delete the Columbus software packages and user data?
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Created On: 12/10/2018 10:50 AM
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 12/10/2018 10:50 AM
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Posts: 58
Joined: 5/13/2014

The workflow below details the process of removing the main components of a Columbus installation. Note that this will not revert the system to a vanilla installation. Those package dependencies which were provided by the operating system will remain, as will the user accounts which were generated by the Columbus installation scripts.

WARNING: This will erase ALL user data. After these steps have been performed it will only be possible to recover the data if you have an appropriate backup available.

Removing the Columbus packages

1) Connect to the Columbus server via PuTTY/Terminal

2) Stop the Columbus service

$ sudo /etc/init.d/columbus stop

3) Delete the Columbus file repository

$ sudo rm -rf /OMERO/OMERO4_4

4) Access the postgres user account

$ sudo su postgres -

5) Delete the omero and webapp databases

$ dropdb omero4_4

$ dropdb columbus_webapp

6) Exit the postgres user account

$ exit

7) List all installed Columbus and Acapella packages

$ rpm -qa | grep -E 'Acapella|Columbus'

8) Delete any Columbus/Acapella packages listed in the output of the command in step 7)

$ sudo rpm -e --nodeps

9) Check for any remaining packages:

$ sudo rpm -qa | grep -E 'Acapella|Columbus'

The output should be empty.

10) Remove the Columbus software repository from the /etc/yum.repos.d directory (RedHat Enterprise Linux), or the /etc/zypp/repos.d directory (SuSE Linux Enterprise Server).

The PDF copy of this technote is available for download, here:

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