how to instal plugins?

samtto

Long time.
when i instal plugins,like this:
composer require clarkwinkelmann/flarum-ext-group-list
than
Lock file operations: 1 install, 0 updates, 0 removals
but nothing change on admin FEATURES why?
Flarum:1.0.4
PHP:7.4.9
MySQL:5.7.30-log
Justoverclock

is a fresh install of flarum? any error on console? did u clear the cache?
run php flarum cache:clear
samtto

[root@VM-0-6-centos flarum]# composer require clarkwinkelmann/flarum-ext-group-list
Using version ^1.0 for clarkwinkelmann/flarum-ext-group-list
./composer.json has been updated
Running composer update clarkwinkelmann/flarum-ext-group-list
Loading composer repositories with package information
Updating dependencies
Lock file operations: 111 installs, 0 updates, 0 removals
  - Locking axy/backtrace (1.0.7)
  - Locking axy/codecs-base64vlq (1.0.1)
  - Locking axy/errors (1.0.5)
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  - Locking brick/math (0.9.3)
  - Locking clarkwinkelmann/flarum-ext-group-list (1.0.0)
  - Locking components/font-awesome (5.15.4)
  - Locking dflydev/dot-access-data (v3.0.1)
  - Locking dflydev/fig-cookies (v3.0.0)
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  - Locking filp/whoops (2.14.3)
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Writing lock file
Installing dependencies from lock file (including require-dev)
Package operations: 111 installs, 0 updates, 0 removals
  - Downloading clarkwinkelmann/flarum-ext-group-list (1.0.0)
  - Installing axy/backtrace (1.0.7): Extracting archive
  - Installing axy/errors (1.0.5): Extracting archive
  - Installing axy/codecs-base64vlq (1.0.1): Extracting archive
  - Installing wikimedia/less.php (v3.1.0): Extracting archive
  - Installing tobscure/json-api (v0.3.0): Extracting archive
  - Installing symfony/polyfill-ctype (v1.23.0): Extracting archive
  - Installing symfony/deprecation-contracts (v2.4.0): Extracting archive
  - Installing symfony/yaml (v5.3.6): Extracting archive
  - Installing symfony/translation-contracts (v2.4.0): Extracting archive
  - Installing symfony/polyfill-php80 (v1.23.1): Extracting archive
  - Installing symfony/polyfill-mbstring (v1.23.1): Extracting archive
  - Installing symfony/translation (v5.3.7): Extracting archive
  - Installing symfony/polyfill-intl-messageformatter (v1.23.0): Extracting archive
  - Installing symfony/polyfill-php72 (v1.23.0): Extracting archive
  - Installing symfony/polyfill-intl-normalizer (v1.23.0): Extracting archive
  - Installing symfony/polyfill-intl-idn (v1.23.0): Extracting archive
  - Installing symfony/mime (v5.3.7): Extracting archive
  - Installing psr/event-dispatcher (1.0.0): Extracting archive
  - Installing symfony/event-dispatcher-contracts (v2.4.0): Extracting archive
  - Installing symfony/event-dispatcher (v5.3.7): Extracting archive
  - Installing symfony/polyfill-intl-grapheme (v1.23.1): Extracting archive
  - Installing symfony/string (v5.3.7): Extracting archive
  - Installing psr/container (1.1.1): Extracting archive
  - Installing symfony/service-contracts (v2.4.0): Extracting archive
  - Installing symfony/polyfill-php73 (v1.23.0): Extracting archive
  - Installing symfony/console (v5.3.7): Extracting archive
  - Installing symfony/polyfill-php81 (v1.23.0): Extracting archive
  - Installing symfony/filesystem (v5.3.4): Extracting archive
  - Installing symfony/config (v5.3.4): Extracting archive
  - Installing s9e/sweetdom (2.0.0): Extracting archive
  - Installing s9e/regexp-builder (1.4.5): Extracting archive
  - Installing s9e/text-formatter (2.10.0): Extracting archive
  - Installing psr/http-message (1.0.1): Extracting archive
  - Installing psr/http-server-handler (1.0.1): Extracting archive
  - Installing psr/http-server-middleware (1.0.1): Extracting archive
  - Installing nikic/fast-route (v0.6.0): Extracting archive
  - Installing nesbot/carbon (2.53.1): Extracting archive
  - Installing psr/log (1.1.4): Extracting archive
  - Installing monolog/monolog (1.26.1): Extracting archive
  - Installing psr/http-factory (1.0.1): Extracting archive
  - Installing middlewares/utils (v3.3.0): Extracting archive
  - Installing middlewares/request-handler (v2.0.1): Extracting archive
  - Installing middlewares/base-path-router (v2.0.1): Extracting archive
  - Installing middlewares/base-path (v2.1.0): Extracting archive
  - Installing matthiasmullie/path-converter (1.1.3): Extracting archive
  - Installing matthiasmullie/minify (1.3.66): Extracting archive
  - Installing league/mime-type-detection (1.7.0): Extracting archive
  - Installing league/flysystem (1.1.5): Extracting archive
  - Installing laminas/laminas-escaper (2.9.0): Extracting archive
  - Installing fig/http-message-util (1.1.5): Extracting archive
  - Installing laminas/laminas-stratigility (3.5.0): Extracting archive
  - Installing ralouphie/getallheaders (3.0.3): Extracting archive
  - Installing guzzlehttp/psr7 (2.0.0): Extracting archive
  - Installing laminas/laminas-diactoros (2.8.0): Extracting archive
  - Installing laminas/laminas-zendframework-bridge (1.4.0): Extracting archive
  - Installing laminas/laminas-httphandlerrunner (1.5.0): Extracting archive
  - Installing intervention/image (2.6.1): Extracting archive
  - Installing voku/portable-ascii (1.5.6): Extracting archive
  - Installing illuminate/macroable (v8.61.0): Extracting archive
  - Installing psr/simple-cache (1.0.1): Extracting archive
  - Installing illuminate/contracts (v8.61.0): Extracting archive
  - Installing illuminate/collections (v8.61.0): Extracting archive
  - Installing doctrine/inflector (2.0.3): Extracting archive
  - Installing illuminate/support (v8.61.0): Extracting archive
  - Installing symfony/finder (v5.3.7): Extracting archive
  - Installing illuminate/filesystem (v8.61.0): Extracting archive
  - Installing illuminate/container (v8.61.0): Extracting archive
  - Installing illuminate/pipeline (v8.61.0): Extracting archive
  - Installing illuminate/bus (v8.61.0): Extracting archive
  - Installing illuminate/events (v8.61.0): Extracting archive
  - Installing illuminate/view (v8.61.0): Extracting archive
  - Installing symfony/http-foundation (v5.3.7): Extracting archive
  - Installing illuminate/translation (v8.61.0): Extracting archive
  - Installing doctrine/lexer (1.2.1): Extracting archive
  - Installing egulias/email-validator (2.1.25): Extracting archive
  - Installing illuminate/validation (v8.61.0): Extracting archive
  - Installing illuminate/session (v8.61.0): Extracting archive
  - Installing symfony/process (v5.3.7): Extracting archive
  - Installing ramsey/collection (1.2.1): Extracting archive
  - Installing brick/math (0.9.3): Extracting archive
  - Installing ramsey/uuid (4.2.1): Extracting archive
  - Installing opis/closure (3.6.2): Extracting archive
  - Installing illuminate/database (v8.61.0): Extracting archive
  - Installing illuminate/console (v8.61.0): Extracting archive
  - Installing illuminate/queue (v8.61.0): Extracting archive
  - Installing symfony/css-selector (v5.3.4): Extracting archive
  - Installing tijsverkoyen/css-to-inline-styles (2.2.3): Extracting archive
  - Installing symfony/polyfill-iconv (v1.23.0): Extracting archive
  - Installing swiftmailer/swiftmailer (v6.2.7): Extracting archive
  - Installing nette/utils (v3.2.5): Extracting archive
  - Installing nette/schema (v1.2.1): Extracting archive
  - Installing dflydev/dot-access-data (v3.0.1): Extracting archive
  - Installing league/config (v1.1.1): Extracting archive
  - Installing league/commonmark (2.0.2): Extracting archive
  - Installing illuminate/mail (v8.61.0): Extracting archive
  - Installing illuminate/hashing (v8.61.0): Extracting archive
  - Installing illuminate/config (v8.61.0): Extracting archive
  - Installing illuminate/cache (v8.61.0): Extracting archive
  - Installing filp/whoops (2.14.3): Extracting archive
  - Installing franzl/whoops-middleware (2.0.0): Extracting archive
  - Installing webmozart/assert (1.10.0): Extracting archive
  - Installing dragonmantank/cron-expression (v3.1.0): Extracting archive
  - Installing doctrine/event-manager (1.1.1): Extracting archive
  - Installing doctrine/deprecations (v0.5.3): Extracting archive
  - Installing doctrine/cache (2.1.1): Extracting archive
  - Installing doctrine/dbal (2.13.3): Extracting archive
  - Installing dflydev/fig-cookies (v3.0.0): Extracting archive
  - Installing components/font-awesome (5.15.4): Extracting archive
  - Installing axy/sourcemap (0.1.5): Extracting archive
  - Installing flarum/core (v1.0.4): Extracting archive
  - Installing clarkwinkelmann/flarum-ext-group-list (1.0.0): Extracting archive
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clarkwinkelmann
Justoverclock yes fresh install. no errors,and clear the cache.
samtto

thanks to all.
clarkwinkelmann
Justoverclock
when i re-install flarum, it's ok now.thanks !
clarkwinkelmann

Can you share the full Composer output? It's possible the Composer process gets killed because of a lack of resources.