# \#apcu **URL:** https://help.nextcloud.com/tag/apcu/257.md [Latest](https://help.nextcloud.com/latest.md) · [Categories](https://help.nextcloud.com/categories.md) · [Tags](https://help.nextcloud.com/tags.md) --- ## [APCu has been unloaded](https://help.nextcloud.com/t/apcu-has-been-unloaded/247953)
**Author:** [@lmsoren](https://help.nextcloud.com/u/lmsoren)\ **Replies:** 8\ **Last updated:** [September 28, 2026, 6:02pm UTC](https://help.nextcloud.com/t/apcu-has-been-unloaded/247953 "2026-09-28T18:02:40Z")
I updated Nextcloud and Ubuntu Server over the weekend. After rebooting, I got a Server Error 500. Investigating this, I noticed that the APCu module was not loading. The latest module is installed and should be availa… --- ## [Nextcloud doesn't start after update](https://help.nextcloud.com/t/nextcloud-doesnt-start-after-update/217669)
**Author:** [@nemo87](https://help.nextcloud.com/u/nemo87)\ **Replies:** 9\ **Last updated:** [February 17, 2025, 2:51pm UTC](https://help.nextcloud.com/t/nextcloud-doesnt-start-after-update/217669 "2025-02-17T14:51:27Z")
I upgraded the version from 25 to 26, first installed php 8, then downloaded the new version from here: Following this guide, I proceeded to rename the old folder, move the new one and then copy the config folder to t… --- ## [APCu not available for local cache but tried everything / no backend warning / PHP 8.3.15](https://help.nextcloud.com/t/apcu-not-available-for-local-cache-but-tried-everything-no-backend-warning-php-8-3-15/214782)
**Author:** [@zentrix](https://help.nextcloud.com/u/zentrix)\ **Replies:** 4\ **Last updated:** [January 12, 2025, 8:08pm UTC](https://help.nextcloud.com/t/apcu-not-available-for-local-cache-but-tried-everything-no-backend-warning-php-8-3-15/214782 "2025-01-12T20:08:28Z")
I tried everything, for hours… The Basics Nextcloud Server version: Nextcloud Hub 9 (30.0.4) Operating system and version (e.g., Ubuntu 24.04): Ubuntu 22.04 Web server and version (e.g, Apache 2.4.25): Apache/2.… --- ## [The database is used for transactional file logging](https://help.nextcloud.com/t/the-database-is-used-for-transactional-file-logging/212530)
**Author:** [@l4rs](https://help.nextcloud.com/u/l4rs)\ **Replies:** 10\ **Last updated:** [December 20, 2024, 7:36am UTC](https://help.nextcloud.com/t/the-database-is-used-for-transactional-file-logging/212530 "2024-12-20T07:36:03Z")
Like a lot of users with very small instances, my instance is only used by my family (4 persons), and no one uses it a whole lot. As recommended in the manual, I use APCu for data caching ('memcache.local' =\> '\\OC\\Memcac… --- ## [\\OC\\Memcache\\APCu not available for local cache (issue upon initial setup)](https://help.nextcloud.com/t/oc-memcache-apcu-not-available-for-local-cache-issue-upon-initial-setup/140117)
**Author:** [@bluestarzero](https://help.nextcloud.com/u/bluestarzero)\ **Replies:** 7\ **Last updated:** [September 21, 2024, 6:35am UTC](https://help.nextcloud.com/t/oc-memcache-apcu-not-available-for-local-cache-issue-upon-initial-setup/140117 "2024-09-21T06:35:20Z")
Nextcloud 24.0.1 Ubuntu 22.04 LTS Apache2 / MySQL PHP Version 8.0 Config.php file: \ 'ocqkh37jzrid', 'passwordsalt' =\> '\*\*REDACTED\*\*', 'secret' =\> '\*\*REDACTED\*\*', 'trust… --- ## [Can't add missing indexes to database with occ command](https://help.nextcloud.com/t/cant-add-missing-indexes-to-database-with-occ-command/188911)
**Author:** [@mikeleffring](https://help.nextcloud.com/u/mikeleffring)\ **Replies:** 3\ **Last updated:** [August 29, 2024, 4:44pm UTC](https://help.nextcloud.com/t/cant-add-missing-indexes-to-database-with-occ-command/188911 "2024-08-29T16:44:50Z")
Hello All, I have the typical error in security and setup warnings as below: The database is missing some indexes. Due to the fact that adding indexes on big tables could take some time they were not added automatical… --- ## [Cron job Issues since PHP 8.3 Update](https://help.nextcloud.com/t/cron-job-issues-since-php-8-3-update/200551)
**Author:** [@goldfingers](https://help.nextcloud.com/u/goldfingers)\ **Replies:** 2\ **Last updated:** [August 12, 2024, 12:13am UTC](https://help.nextcloud.com/t/cron-job-issues-since-php-8-3-update/200551 "2024-08-12T00:13:55Z")
Hello, I was hoping I can get a resolution on an issues I’m having on my Nextcloud test instance, since upgrading from PHP 8.1 to 8.3. I understand 8.3 would be the supported version for the future Nextcloud 31 version.… --- ## [Example installation on Ubuntu 22.04.03 LTS with Apache2, APCu, redis and mariadb behind a NGINX proxy](https://help.nextcloud.com/t/example-installation-on-ubuntu-22-04-03-lts-with-apache2-apcu-redis-and-mariadb-behind-a-nginx-proxy/172737)
**Author:** [@saettel.beifuss0](https://help.nextcloud.com/u/saettel.beifuss0)\ **Replies:** 4\ **Last updated:** [July 5, 2024, 9:16am UTC](https://help.nextcloud.com/t/example-installation-on-ubuntu-22-04-03-lts-with-apache2-apcu-redis-and-mariadb-behind-a-nginx-proxy/172737 "2024-07-05T09:16:55Z")
Hi guys! I wrote a Nextcloud installation Guide for an Ubuntu bare meta installation behind an NGINX proxy. The goal was to follow Nextclouds recommendations and pass the security scan without errors. Would love to hea… --- ## [Bare metal installation tutorial on Ubuntu 22.04.03 LTS with Apache2, APCu, redis and mariadb](https://help.nextcloud.com/t/bare-metal-installation-tutorial-on-ubuntu-22-04-03-lts-with-apache2-apcu-redis-and-mariadb/177068)
**Author:** [@saettel.beifuss0](https://help.nextcloud.com/u/saettel.beifuss0)\ **Replies:** 0\ **Last updated:** [December 19, 2023, 3:51pm UTC](https://help.nextcloud.com/t/bare-metal-installation-tutorial-on-ubuntu-22-04-03-lts-with-apache2-apcu-redis-and-mariadb/177068 "2023-12-19T15:51:56Z")
Hi guys! I wrote a bare metal installation tutorial. The goal was to follow Nextcloud’s recommendations and pass the security scan without errors and get a perfect score at scan.nextcloud.com I wrote this tutorial, be… --- ## [New Install 27.0.2 on PHP8.1 Archlinux, APCu fails, .well-known warnings](https://help.nextcloud.com/t/new-install-27-0-2-on-php8-1-archlinux-apcu-fails-well-known-warnings/169642)
**Author:** [@drankinatty](https://help.nextcloud.com/u/drankinatty)\ **Replies:** 20\ **Last updated:** [September 27, 2023, 1:06am UTC](https://help.nextcloud.com/t/new-install-27-0-2-on-php8-1-archlinux-apcu-fails-well-known-warnings/169642 "2023-09-27T01:06:08Z")
Setup: New Nextcloud 27.0.2 install on Archlinux: 6.4.12-arch1-1 Apache/2.4.57 (Unix) OpenSSL/3.1.2 mod\_fcgid/2.3.9 PHP/8.1.23 This is a single server, home install in effort to migrate from eGroupware. The install … --- ## [Memcache APCu not available for local cache issue](https://help.nextcloud.com/t/memcache-apcu-not-available-for-local-cache-issue/140181)
**Author:** [@bluestarzero](https://help.nextcloud.com/u/bluestarzero)\ **Replies:** 1\ **Last updated:** [September 24, 2023, 11:16am UTC](https://help.nextcloud.com/t/memcache-apcu-not-available-for-local-cache-issue/140181 "2023-09-24T11:16:11Z")
Nextcloud 24.0.1 Ubuntu 22.04 LTS Apache2 / MySQL PHP Version 8.0 Config.php file: \ 'ocqkh37jzrid', 'passwordsalt' =\> '27ZqiQEJcutckx4gApE2mgIRc/CEBV', 'secret' =\> '0/fD8… --- ## [Regarding Memcache with APCu](https://help.nextcloud.com/t/regarding-memcache-with-apcu/166783)
**Author:** [@vatolin](https://help.nextcloud.com/u/vatolin)\ **Replies:** 5\ **Last updated:** [July 25, 2023, 6:28pm UTC](https://help.nextcloud.com/t/regarding-memcache-with-apcu/166783 "2023-07-25T18:28:17Z")
Nextcloud version : 27.0.1 Operating system and version : Linux 5.10.0-22-amd64 x86\_64 Apache or nginx version : PostgreSQL 13.11 (Debian 13.11-0+deb11u1) on x86\_64-pc-linux-gnu, compiled by gcc (Debian 10.2.1-6) 10.2.… --- ## [Problems with running 2 instances with local APCu](https://help.nextcloud.com/t/problems-with-running-2-instances-with-local-apcu/160817)
**Author:** [@ingmar3](https://help.nextcloud.com/u/ingmar3)\ **Replies:** 2\ **Last updated:** [April 24, 2023, 8:23am UTC](https://help.nextcloud.com/t/problems-with-running-2-instances-with-local-apcu/160817 "2023-04-24T08:23:05Z")
Nextcloud version: 26.0.1 Operating system and version: Ubuntu 20.04.6 LTS Apache or nginx version: Apache 2.4.41 PHP version: 8.1 Using an LAMP-server with 2 instances of Nextcloud (no docker, just 2 domains), I fa… --- ## [Internal Server Error when enabling APCu or redis](https://help.nextcloud.com/t/internal-server-error-when-enabling-apcu-or-redis/159457)
**Author:** [@DJ45X](https://help.nextcloud.com/u/DJ45X)\ **Replies:** 19\ **Last updated:** [April 12, 2023, 1:01am UTC](https://help.nextcloud.com/t/internal-server-error-when-enabling-apcu-or-redis/159457 "2023-04-12T01:01:36Z")
:slight\_smile: /details\] Nextcloud version (eg, 20.0.5): 26.0.0.11 Operating system and version (eg, Ubuntu 20.04): Debian GNU/Linux 11 (bullseye) Apache or nginx version (eg, Apache 2.4.25): Apache/2.4.56 (Debian) … --- ## [APCu syntax error](https://help.nextcloud.com/t/apcu-syntax-error/145067)
**Author:** [@Irdi](https://help.nextcloud.com/u/Irdi)\ **Replies:** 2\ **Last updated:** [September 6, 2022, 11:34am UTC](https://help.nextcloud.com/t/apcu-syntax-error/145067 "2022-09-06T11:34:41Z")
Hey, how are you today? I am encountering a problem with APCu configurations. I added into /etc/php/7.4/cli/conf.d/20-apcu.ini the below configs and i get a syntax error. PHP: syntax error, unexpected ‘=’ in /etc/php… --- ## [Memcache Not Available, APCu Error for Background Jobs Following Upgrade, CentOS 7.9 PHP 7.3](https://help.nextcloud.com/t/memcache-not-available-apcu-error-for-background-jobs-following-upgrade-centos-7-9-php-7-3/126247)
**Author:** [@LibertyTalk](https://help.nextcloud.com/u/LibertyTalk)\ **Replies:** 0\ **Last updated:** [October 28, 2021, 6:01pm UTC](https://help.nextcloud.com/t/memcache-not-available-apcu-error-for-background-jobs-following-upgrade-centos-7-9-php-7-3/126247 "2021-10-28T18:01:52Z")
Nextcloud version = 22.2.0.2 Operating system and version = CentOS 7.9 Apache version = 2.4.6 PHP version = 7.3.32 The issue you are facing: Cannot get APcu to function for background jobs following upgrade. Is th… --- ## [Internal server error after installing apcu](https://help.nextcloud.com/t/internal-server-error-after-installing-apcu/122653)
**Author:** [@EkiciLP](https://help.nextcloud.com/u/EkiciLP)\ **Replies:** 2\ **Last updated:** [August 28, 2021, 11:11am UTC](https://help.nextcloud.com/t/internal-server-error-after-installing-apcu/122653 "2021-08-28T11:11:15Z")
Support introSorry to hear you’re facing problems :slightly\_frowning\_face: help.nextcloud.com is for home/non-enterprise users. If you’re running a business, paid support can be accessed via portal.nextcloud.com where …