[Owncloud] How to cleanly re-install an app?

[Mark Ziegler]

Double post from http://forum.owncloud.org/viewtopic.php?f=17&t=7355

Am 15.02.2013 07:30, schrieb Sampath Basnagoda:
> Hi All,
>
> I found following post in a owncloud forum.()
>
> If you're having problems with an app (e.g. it won't activate, or 
> doesn't work properly, or especially if there is some remainder from a 
> previous installation), it is always worth a try to cleanly remove the 
> app and reinstalling it from scratch:
>
> To manually remove an app:
>
>  1. As always before possibly dangerous changes, backup your database
>     and files
>  2. Go to the database administration tool of your choice, e.g.
>     phpmyadmin for mysql
>  3. In the table oc_appconfig, find all entries having the name of the
>     app as appid (e.g. "roundcube" or "gallery")
>  4. Remove those entries
>  5. Find tables created by the extension (e.g. "oc_roundcube" for
>     roundcube app), and drop them
>  6. In the apps directory, search for the directory with the name of
>     the app
>  7. Delete that directory
>
>
> To (re)install an app:
>
>  1. If it's an app which is included in the default owncloud
>     installation, go to the "Apps" configuration section as
>     administrative user; the app will have an entry there, enabling
>     the app will download the files of the app to your installation
>     (so the "apps" directory has to be writable by php for this method
>     to work).
>  2. If it's a custom app, or you want to install the latest version:
>     Read the INSTALL instructions of the app (usually, extract it to
>     the "apps" subfolder of owncloud, and then go to the "Apps"
>     configuration section as administrative user and enable it
>
>
> If you should have any problems with this description, don't hesitate 
> to post them here!
> OC 4.5.5 on Apache/MySQL
>
> RandolphCarter 
> <http://forum.owncloud.org/memberlist.php?mode=viewprofile&u=1620>
>     OwnCloud professional
>     *Posts:* 1527
>     *Joined:* Wed May 30, 2012 12:12 pm
>     *OwnCloud version:* 4.5.6
>
>
> My Question is,
>
> I'm developing 'internal messages' (3rd party app) app for owncloud 
> and now I want to re-install it in my computer. for that I deleted all 
> entries in the oc_appconfig table which having the name 'internal 
> messages' and then I dropped the internal messages table from the db.
> Then I deleted the 'internal messages' app folder from the 'apps' 
> folder. Then I copied new 'internal messages' folder again.
> Now, I logged as admin and when I click on the 'Apps' (under 
> settings), I get a 'Server Error' message.
> This is the error message.
> "The website encountered an error while retrieving 
> http://localhost/owncloud/settings/apps.php?installed. It may be down 
> for maintenance or configured incorrectly."
> (I improved some features in this app and they were working perfectly)
> Can some one please help me to solve this? Are there more things to do?
> Thanks.
>
> basnagoda 
> <http://forum.owncloud.org/memberlist.php?mode=viewprofile&u=7641>
>     Newbie
>     *Posts:* 1
>     *Joined:* Fri Feb 15, 2013 10:56 am
>     *OwnCloud version:* 4.5.3
>
>
> *Sampath Basnagoda,*
> *Undergraduate,*
> *Department of Computer Science and Engineering,*
> *University of Moratuwa,*
> *Sri Lanka. *
>
>
>
>
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