I did but problem exist!!!!
I tested without "sudo" but problem not solved.
I changed permission for "html" directory:
$ ll
total 1216
drwxrwxrwx. 4 magento apache 4096 May 19 13:47 app
-rwxrwxrwx. 1 magento apache 234 Mar 15 09:42 auth.json.sample
drwxrwxrwx. 2 magento apache 36 May 21 11:36 bin
-rwxrwxrwx. 1 magento apache 434981 Mar 15 09:42 CHANGELOG.md
-rwxrwxrwx. 1 magento apache 2257 Mar 15 09:38 composer.json
-rwxrwxrwx. 1 magento apache 714229 Mar 15 09:42 composer.lock
-rwxrwxrwx. 1 magento apache 650 Mar 15 09:42 COPYING.txt
drwxrwxrwx. 5 magento apache 59 May 19 13:47 dev
drwxrwxrwx. 4 magento apache 48 May 21 16:11 generated
-rwxrwxrwx. 1 magento apache 57 Mar 15 09:42 grunt-config.json.sample
-rwxrwxrwx. 1 magento apache 2994 Mar 15 09:42 Gruntfile.js.sample
-rwxrwxrwx. 1 magento apache 1435 May 21 13:02 index.php
drwxrwxrwx. 4 magento apache 47 May 19 13:47 lib
-rwxrwxrwx. 1 magento apache 10376 Mar 15 09:42 LICENSE_AFL.txt
-rwxrwxrwx. 1 magento apache 10364 Mar 15 09:42 LICENSE.txt
-rwxrwxrwx. 1 magento apache 5625 Mar 15 09:42 nginx.conf.sample
-rwxrwxrwx. 1 magento apache 1416 Mar 15 09:42 package.json.sample
-rwxrwxrwx. 1 root root 68 May 20 10:55 phpinfo.php
drwxrwxrwx. 2 magento apache 55 May 19 13:47 phpserver
drwxrwxrwx. 6 magento apache 4096 May 19 13:47 pub
drwxrwxrwx. 7 magento apache 4096 May 19 13:47 setup
drwxrwxrwx. 7 magento apache 4096 May 19 13:47 update
drwxrwsrwx. 9 magento apache 4096 May 21 16:11 var
drwxrwsrwx. 76 magento apache 4096 May 19 13:47 vendor
And did commands without "sudo":
$ php -d memory_limit=4G bin/magento setup:di:compile
Compilation was started.
Interception cache generation... 7/7 [============================] 100% 35 secs 329.0 MiB
Generated code and dependency injection configuration successfully.
$ php -d memory_limit=4G bin/magento setup:static-content:deploy -f
Deploy using quick strategy
frontend/Magento/blank/en_US 2245/2245 ============================ 100% % 7 secs
adminhtml/Magento/backend/en_US 2328/2328 ============================ 100% % 7 secs
frontend/Magento/luma/en_US 2260/2260 ============================ 100% % 8 secs
Execution time: 39.555767059326
$ php -d memory_limit=4G bin/magento indexer:reindex
Design Config Grid index has been rebuilt successfully in 00:00:00
Customer Grid index has been rebuilt successfully in 00:00:00
Category Products index has been rebuilt successfully in 00:00:00
Product Categories index has been rebuilt successfully in 00:00:00
Catalog Rule Product index has been rebuilt successfully in 00:00:00
Product EAV index has been rebuilt successfully in 00:00:00
Inventory index has been rebuilt successfully in 00:00:00
Catalog Product Rule index has been rebuilt successfully in 00:00:00
Stock index has been rebuilt successfully in 00:00:00
Product Price index has been rebuilt successfully in 00:00:00
Catalog Search index has been rebuilt successfully in 00:00:00
$ php -d memory_limit=4G bin/magento cache:flush
Flushed cache types:
config
layout
block_html
collections
reflection
db_ddl
compiled_config
eav
customer_notification
config_integration
config_integration_api
full_page
config_webservice
translate
vertex
Logs are:
$ tail var/log/debug.log
[2019-05-21 11:43:07] main.DEBUG: cache_invalidate: {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_catalogsearch_fulltext_scope1_1"}} []
[2019-05-21 11:43:07] main.DEBUG: cache_invalidate: {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_catalogsearch_fulltext_scope1_2"}} []
[2019-05-21 11:43:07] main.DEBUG: cache_invalidate: {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_catalogsearch_fulltext_scope1_3"}} []
[2019-05-21 11:43:07] main.DEBUG: cache_invalidate: {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_catalogsearch_fulltext_scope1_4"}} []
[2019-05-21 11:43:07] main.DEBUG: cache_invalidate: {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_catalogsearch_fulltext_scope1_1"}} []
[2019-05-21 11:43:07] main.DEBUG: cache_invalidate: {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_catalogsearch_fulltext_scope1_2"}} []
[2019-05-21 11:43:07] main.DEBUG: cache_invalidate: {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_catalogsearch_fulltext_scope1_3"}} []
[2019-05-21 11:43:07] main.DEBUG: cache_invalidate: {"method":"GET","url":"http:/","invalidateInfo":{"identifier":"DB_PDO_MYSQL_DDL_catalogsearch_fulltext_scope1_4"}} []
[2019-05-21 11:43:31] main.DEBUG: cache_invalidate: {"method":"GET","url":"http:/","invalidateInfo":{"tags":["FPC"],"mode":"matchingTag"}} []
[2019-05-21 11:43:54] main.DEBUG: cache_invalidate: {"method":"GET","url":"http://172.20.100.64/","invalidateInfo":{"identifier":"SYSTEM_CONFIG"}} []
And:
$ tail var/log/exception.log
Class Magento\\Framework\\App\\Http\\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. at /var/www/html/vendor/magento/framework/Code/Generator.php:135)"} []
[2019-05-21 08:14:09] main.CRITICAL: The specified "/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29733" file couldn't be written. Warning!file_put_contents(/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29733): failed to open stream: Permission denied
Class Magento\Framework\App\Http\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. {"exception":"[object] (RuntimeException(code: 0): The specified \"/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29733\" file couldn't be written. Warning!file_put_contents(/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29733): failed to open stream: Permission denied
Class Magento\\Framework\\App\\Http\\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. at /var/www/html/vendor/magento/framework/Code/Generator.php:135)"} []
[2019-05-21 08:16:32] main.CRITICAL: The specified "/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29735" file couldn't be written. Warning!file_put_contents(/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29735): failed to open stream: Permission denied
Class Magento\Framework\App\Http\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. {"exception":"[object] (RuntimeException(code: 0): The specified \"/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29735\" file couldn't be written. Warning!file_put_contents(/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29735): failed to open stream: Permission denied
Class Magento\\Framework\\App\\Http\\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. at /var/www/html/vendor/magento/framework/Code/Generator.php:135)"} []
[2019-05-21 08:20:39] main.CRITICAL: The specified "/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29731" file couldn't be written. Warning!file_put_contents(/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29731): failed to open stream: Permission denied
Class Magento\Framework\App\Http\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. {"exception":"[object] (RuntimeException(code: 0): The specified \"/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29731\" file couldn't be written. Warning!file_put_contents(/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29731): failed to open stream: Permission denied
Class Magento\\Framework\\App\\Http\\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. at /var/www/html/vendor/magento/framework/Code/Generator.php:135)"} []
And:
$ tail var/log/system.log
[2019-05-21 08:11:07] main.CRITICAL: The specified "/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29732" file couldn't be written. Warning!file_put_contents(/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29732): failed to open stream: Permission denied
Class Magento\Framework\App\Http\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. [] []
[2019-05-21 08:14:09] main.CRITICAL: The specified "/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29733" file couldn't be written. Warning!file_put_contents(/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29733): failed to open stream: Permission denied
Class Magento\Framework\App\Http\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. [] []
[2019-05-21 08:16:32] main.CRITICAL: The specified "/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29735" file couldn't be written. Warning!file_put_contents(/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29735): failed to open stream: Permission denied
Class Magento\Framework\App\Http\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. [] []
[2019-05-21 08:20:39] main.CRITICAL: The specified "/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29731" file couldn't be written. Warning!file_put_contents(/var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php.29731): failed to open stream: Permission denied
Class Magento\Framework\App\Http\Interceptor generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. [] []
[2019-05-21 11:31:39] main.CRITICAL: Can't create directory /var/www/html/generated/code/Magento/Framework/App/ResourceConnection/.
Class Magento\Framework\App\ResourceConnection\Proxy generation error: The requested class did not generate properly, because the 'generated' directory permission is read-only. If --- after running the 'bin/magento setup:di:compile' CLI command when the 'generated' directory permission is set to write --- the requested class did not generate properly, then you must add the generated class object to the signature of the related construct method, only. [] []
