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Upgrading to NextCloud 21

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After making a full backup of my server, I decided it was time to make the

plunge and update my home NextCloud server from version 20 to version 21. I

like to wait a week or two (or sometimes longer) to make sure that other’s

don’t start complaining about any major issue before making the switch. It’s

nice to be cutting edge, but not when you cut your own fingers! I also like to

make a full server backup before doing major revisions. I’m fine with going

from xx.01 to xx.02 minor revisions, but for major changes I perform a backup

first.

That said, all went smoothly in the updater script. However, when I went to the

dashboard, I saw these notices:

A background job is pending that checks for user imported SSL certificates.

Please check back later.\n\n Your installation has no default phone region

set. This is required to validate phone numbers in the profile settings without

a country code. To allow numbers without a country code, please add

"default_phone_region" with the respective ISO 3166-1 code ↗ of the

region to your config file.\n\n The database is missing some indexes. Due to

the fact that adding indexes on big tables could take some time they were not

added automatically. By running "occ db:add-missing-indices" those missing

indexes could be added manually while the instance keeps running. Once the

indexes are added queries to those tables are usually much faster.\n

Missing index "fs_size" in table "oc_filecache".

The first wasn’t really an issue, just waiting a bit will solve that one, but

the other two required intervention. So, to fix the first,I_looked_it_up_online

and_got_a_helpful_tidbit_on_how_to_fix_it. Unfortunately, the official article

pointed to the wrong place for my installation’s config file, so I had to add

this line to /var/www/nextcloud/config/config.php:

'default_phone_region' => 'US',

That was easy enough. Then I moved onto the next issue. I’ve had to run this

command before, but it didn’t work this time around:

root@alaskalinuxuser-PowerEdge-R520:/home/alaskalinuxuser# cd /var/www/

nextcloud && sudo -u www-data php occ db:add-missing-indices\nAn unhandled

exception has been thrown:\nOC\\HintException: [0]: Memcache

\\OC\\Memcache\\APCu not available for local cache (Is the matching PHP module

installed and enabled?)\nroot@alaskalinuxuser-PowerEdge-R520:/var/www/

nextcloud#

That’s odd. I did some web searching and found the answer from an issue_posted

about_it_in_Nextcloud’s_github. First, I had to add this line to /etc/php/7.4/

mods-available/apcu.ini:

apc.enable_cli=1

Then I restarted the service with:

systemctl restart php7.4-fpm

Now running the same command yielded much better results:

root@alaskalinuxuser-PowerEdge-R520:/var/www/nextcloud# cd /var/www/nextcloud

&& sudo -u www-data php occ db:add-missing-indices\nCheck indices of the share

table.\nCheck indices of the filecache table.\nAdding additional size index to

the filecache table, this can take some time...\nFilecache table updated

successfully.\nCheck indices of the twofactor_providers table.\nCheck indices

of the login_flow_v2 table.\nCheck indices of the whats_new table.\nCheck

indices of the cards table.\nCheck indices of the cards_properties

table.\nCheck indices of the calendarobjects_props table.\nCheck indices of the

schedulingobjects table.\nCheck indices of the oc_properties

table.\nroot@alaskalinuxuser-PowerEdge-R520:/var/www/nextcloud#

And there we go! Praise God, it even worked when I was done! I like it when the

issues are easy fixes. It also helps waiting a few weeks after a big release to

see what other people did to solve their problems with the upgrade.

Linux – keep it simple.