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    RHCE

    Course Content
    Red Hat System Administration I RH-124

    • Access the command line

    • Manage files from the command line

    • Get help in Red Hat Enterprise Linux

    • Create, view and edit text files

    •  Manage local Linux users and groups

    •  Control access to files with Linux files system permissions

    •  Monitor and manage Linux processes

    • Control services and daemons

    •  Configure and secure openSSH service

    •  Analyze and store logs

    •  Manage Red Hat Enterprise Linux networking

    •  Archive and copy files between systems

    •  Install and update software packages

    • Access Linux files systems

    •  Use virtualized systems



    Red Hat System Administration II RH-134

    • Automate installation with Kickstart

    • Use regular expressions with grep

    •  Create and edit text files with vim

    •  Schedule future Linux tasks

    • Manage priority of Linux processes

    •  Control access to files with access control lists

    •  Manage SELinux security

    •  Connect t networks-defined users and groups

    •  Add disks, partitions, file systems to a Linux system

    •  Manage logical volume management storage

    •  Access networked attached storage with network file systems

    •  Access networked storage with SMB

    •  Control and troubleshoot the Red Hat Enterprise Linux boot process

    •  Limit network communication with firewall

       

      Red Hat System Administration III RH-254

    • Control services and daemons

    •  Manage IPv6 networking

    •  Configure link aggregation and bridging

    •  Control network port security

    •  Manage DNS for servers

    •  Configure E-mail delivery

    •  Provide block-based storage

    •  Provide file-based storage

    •  Configure MariaDB databases

    •  Provide Apache HTTPD web services

    •  Write Bash scripts

    •  Bash conditionals and control structures

    •  Configure the shell environment

    •  Linux containers preview






    img
    //
    MessagesTimelineExceptionsViews3RouteQueries16MailsAuthGateSessionRequest
    41.78msRequest Duration6MBMemory UsageGET course/{slug}RouteAuth status
      • Booting (11.8ms)
      • Application (33.65ms)
        3 templates were rendered
        • main.course (resources/views/main/course.blade.php)9blade
          Params
          0
          allsubcategory
          1
          title
          2
          description
          3
          keywords
          4
          thiscourse
          5
          thisproduct
          6
          allproduct
          7
          allcategory
          8
          alltraningshow
        • includes.header (resources/views/includes/header.blade.php)13blade
          Params
          0
          obLevel
          1
          __env
          2
          app
          3
          errors
          4
          allsubcategory
          5
          title
          6
          description
          7
          keywords
          8
          thiscourse
          9
          thisproduct
          10
          allproduct
          11
          allcategory
          12
          alltraningshow
        • includes.footer (resources/views/includes/footer.blade.php)15blade
          Params
          0
          obLevel
          1
          __env
          2
          app
          3
          errors
          4
          allsubcategory
          5
          title
          6
          description
          7
          keywords
          8
          thiscourse
          9
          thisproduct
          10
          allproduct
          11
          allcategory
          12
          alltraningshow
          13
          slug
          14
          thisp
        uri
        GET course/{slug}
        middleware
        web
        controller
        App\Http\Controllers\MainController@course
        namespace
        App\Http\Controllers
        prefix
        null
        where
        file
        app/Http/Controllers/MainController.php:179-200
        16 statements were executed11.38ms
        u147839258_diiteduweb
        • select * from `subcategory` order by `subcategory`.`name` desc2.69ms/app/Http/Controllers/MainController.php:181u147839258_diiteduweb
          Metadata
          Hints
          • Use SELECT * only if you need all columns from table
          • The SELECT statement has no WHERE clause and could examine many more rows than intended
          Backtrace
          • 9. /app/Http/Controllers/MainController.php:181
          • 12. /bootstrap/cache/compiled.php:9486
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          • 72. /public/index.php:53
        • select * from `traning` order by `traning`.`id` asc820μs/app/Http/Controllers/MainController.php:182u147839258_diiteduweb
          Metadata
          Hints
          • Use SELECT * only if you need all columns from table
          • The SELECT statement has no WHERE clause and could examine many more rows than intended
          Backtrace
          • 9. /app/Http/Controllers/MainController.php:182
          • 12. /bootstrap/cache/compiled.php:9486
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          • 72. /public/index.php:53
        • select * from `category` order by `category`.`name` asc400μs/app/Http/Controllers/MainController.php:183u147839258_diiteduweb
          Metadata
          Hints
          • Use SELECT * only if you need all columns from table
          • The SELECT statement has no WHERE clause and could examine many more rows than intended
          Backtrace
          • 9. /app/Http/Controllers/MainController.php:183
          • 12. /bootstrap/cache/compiled.php:9486
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          • 72. /public/index.php:53
        • select * from `subcategory` where `slug` = 'rhce' limit 1640μs/app/Http/Controllers/MainController.php:184u147839258_diiteduweb
          Metadata
          Bindings
          • 0. rhce
          Hints
          • Use SELECT * only if you need all columns from table
          • LIMIT without ORDER BY causes non-deterministic results, depending on the query execution plan
          Backtrace
          • 10. /app/Http/Controllers/MainController.php:184
          • 13. /bootstrap/cache/compiled.php:9486
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          • 73. /public/index.php:53
        • select * from `product` where `subcategory` = '67' order by `product`.`name` asc500μs/app/Http/Controllers/MainController.php:188u147839258_diiteduweb
          Metadata
          Bindings
          • 0. 67
          Hints
          • Use SELECT * only if you need all columns from table
          Backtrace
          • 9. /app/Http/Controllers/MainController.php:188
          • 12. /bootstrap/cache/compiled.php:9486
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          • 72. /public/index.php:53
        • select `id`, `name` from `product` order by `product`.`name` asc390μs/app/Http/Controllers/MainController.php:189u147839258_diiteduweb
          Metadata
          Hints
          • The SELECT statement has no WHERE clause and could examine many more rows than intended
          Backtrace
          • 9. /app/Http/Controllers/MainController.php:189
          • 12. /bootstrap/cache/compiled.php:9486
          • 13. /bootstrap/cache/compiled.php:9466
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          • 72. /public/index.php:53
        • select * from `subcategory` where `category` = '14' and `status` = '1' order by `subcategory`.`name` asc1.17msview::includes.header:429u147839258_diiteduweb
          Metadata
          Bindings
          • 0. 14
          • 1. 1
          Hints
          • Use SELECT * only if you need all columns from table
          Backtrace
          • 9. view::includes.header:429
          • 11. /bootstrap/cache/compiled.php:15364
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          • 15. view::main.course:1
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        • select * from `subcategory` where `category` = '8' and `status` = '1' order by `subcategory`.`name` asc360μsview::includes.header:429u147839258_diiteduweb
          Metadata
          Bindings
          • 0. 8
          • 1. 1
          Hints
          • Use SELECT * only if you need all columns from table
          Backtrace
          • 9. view::includes.header:429
          • 11. /bootstrap/cache/compiled.php:15364
          • 12. /bootstrap/cache/compiled.php:15196
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          • 15. view::main.course:1
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        • select * from `subcategory` where `category` = '7' and `status` = '1' order by `subcategory`.`name` asc580μsview::includes.header:429u147839258_diiteduweb
          Metadata
          Bindings
          • 0. 7
          • 1. 1
          Hints
          • Use SELECT * only if you need all columns from table
          Backtrace
          • 9. view::includes.header:429
          • 11. /bootstrap/cache/compiled.php:15364
          • 12. /bootstrap/cache/compiled.php:15196
          • 13. /bootstrap/cache/compiled.php:15184
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          • 15. view::main.course:1
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        • select * from `subcategory` where `category` = '9' and `status` = '1' order by `subcategory`.`name` asc390μsview::includes.header:429u147839258_diiteduweb
          Metadata
          Bindings
          • 0. 9
          • 1. 1
          Hints
          • Use SELECT * only if you need all columns from table
          Backtrace
          • 9. view::includes.header:429
          • 11. /bootstrap/cache/compiled.php:15364
          • 12. /bootstrap/cache/compiled.php:15196
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          • 83. /public/index.php:53
        • select * from `subcategory` where `category` = '13' and `status` = '1' order by `subcategory`.`name` asc480μsview::includes.header:429u147839258_diiteduweb
          Metadata
          Bindings
          • 0. 13
          • 1. 1
          Hints
          • Use SELECT * only if you need all columns from table
          Backtrace
          • 9. view::includes.header:429
          • 11. /bootstrap/cache/compiled.php:15364
          • 12. /bootstrap/cache/compiled.php:15196
          • 13. /bootstrap/cache/compiled.php:15184
          • 14. /bootstrap/cache/compiled.php:15168
          • 15. view::main.course:1
          • 17. /bootstrap/cache/compiled.php:15364
          • 18. /bootstrap/cache/compiled.php:15196
          • 19. /bootstrap/cache/compiled.php:15184
          • 20. /bootstrap/cache/compiled.php:15168
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        • select * from `subcategory` where `category` = '14' order by `subcategory`.`name` asc1msview::includes.header:504u147839258_diiteduweb
          Metadata
          Bindings
          • 0. 14
          Hints
          • Use SELECT * only if you need all columns from table
          Backtrace
          • 9. view::includes.header:504
          • 11. /bootstrap/cache/compiled.php:15364
          • 12. /bootstrap/cache/compiled.php:15196
          • 13. /bootstrap/cache/compiled.php:15184
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          • 15. view::main.course:1
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          • 83. /public/index.php:53
        • select * from `subcategory` where `category` = '8' order by `subcategory`.`name` asc320μsview::includes.header:504u147839258_diiteduweb
          Metadata
          Bindings
          • 0. 8
          Hints
          • Use SELECT * only if you need all columns from table
          Backtrace
          • 9. view::includes.header:504
          • 11. /bootstrap/cache/compiled.php:15364
          • 12. /bootstrap/cache/compiled.php:15196
          • 13. /bootstrap/cache/compiled.php:15184
          • 14. /bootstrap/cache/compiled.php:15168
          • 15. view::main.course:1
          • 17. /bootstrap/cache/compiled.php:15364
          • 18. /bootstrap/cache/compiled.php:15196
          • 19. /bootstrap/cache/compiled.php:15184
          • 20. /bootstrap/cache/compiled.php:15168
          • 21. /bootstrap/cache/compiled.php:16415
          • 22. /bootstrap/cache/compiled.php:15911
          • 23. /bootstrap/cache/compiled.php:8373
          • 24. /bootstrap/cache/compiled.php:9466
          • 29. /bootstrap/cache/compiled.php:9467
          • 30. /bootstrap/cache/compiled.php:9454
          • 31. /bootstrap/cache/compiled.php:8524
          • 32. /bootstrap/cache/compiled.php:8511
          • 33. /bootstrap/cache/compiled.php:8225
          • 36. /bootstrap/cache/compiled.php:3225
          • 41. /bootstrap/cache/compiled.php:13474
          • 46. /bootstrap/cache/compiled.php:11964
          • 51. /bootstrap/cache/compiled.php:13213
          • 56. /bootstrap/cache/compiled.php:13150
          • 63. /bootstrap/cache/compiled.php:8226
          • 64. /bootstrap/cache/compiled.php:8217
          • 65. /bootstrap/cache/compiled.php:8207
          • 66. /bootstrap/cache/compiled.php:2419
          • 74. /bootstrap/cache/compiled.php:3286
          • 81. /bootstrap/cache/compiled.php:2366
          • 82. /bootstrap/cache/compiled.php:2350
          • 83. /public/index.php:53
        • select * from `subcategory` where `category` = '7' order by `subcategory`.`name` asc680μsview::includes.header:504u147839258_diiteduweb
          Metadata
          Bindings
          • 0. 7
          Hints
          • Use SELECT * only if you need all columns from table
          Backtrace
          • 9. view::includes.header:504
          • 11. /bootstrap/cache/compiled.php:15364
          • 12. /bootstrap/cache/compiled.php:15196
          • 13. /bootstrap/cache/compiled.php:15184
          • 14. /bootstrap/cache/compiled.php:15168
          • 15. view::main.course:1
          • 17. /bootstrap/cache/compiled.php:15364
          • 18. /bootstrap/cache/compiled.php:15196
          • 19. /bootstrap/cache/compiled.php:15184
          • 20. /bootstrap/cache/compiled.php:15168
          • 21. /bootstrap/cache/compiled.php:16415
          • 22. /bootstrap/cache/compiled.php:15911
          • 23. /bootstrap/cache/compiled.php:8373
          • 24. /bootstrap/cache/compiled.php:9466
          • 29. /bootstrap/cache/compiled.php:9467
          • 30. /bootstrap/cache/compiled.php:9454
          • 31. /bootstrap/cache/compiled.php:8524
          • 32. /bootstrap/cache/compiled.php:8511
          • 33. /bootstrap/cache/compiled.php:8225
          • 36. /bootstrap/cache/compiled.php:3225
          • 41. /bootstrap/cache/compiled.php:13474
          • 46. /bootstrap/cache/compiled.php:11964
          • 51. /bootstrap/cache/compiled.php:13213
          • 56. /bootstrap/cache/compiled.php:13150
          • 63. /bootstrap/cache/compiled.php:8226
          • 64. /bootstrap/cache/compiled.php:8217
          • 65. /bootstrap/cache/compiled.php:8207
          • 66. /bootstrap/cache/compiled.php:2419
          • 74. /bootstrap/cache/compiled.php:3286
          • 81. /bootstrap/cache/compiled.php:2366
          • 82. /bootstrap/cache/compiled.php:2350
          • 83. /public/index.php:53
        • select * from `subcategory` where `category` = '9' order by `subcategory`.`name` asc440μsview::includes.header:504u147839258_diiteduweb
          Metadata
          Bindings
          • 0. 9
          Hints
          • Use SELECT * only if you need all columns from table
          Backtrace
          • 9. view::includes.header:504
          • 11. /bootstrap/cache/compiled.php:15364
          • 12. /bootstrap/cache/compiled.php:15196
          • 13. /bootstrap/cache/compiled.php:15184
          • 14. /bootstrap/cache/compiled.php:15168
          • 15. view::main.course:1
          • 17. /bootstrap/cache/compiled.php:15364
          • 18. /bootstrap/cache/compiled.php:15196
          • 19. /bootstrap/cache/compiled.php:15184
          • 20. /bootstrap/cache/compiled.php:15168
          • 21. /bootstrap/cache/compiled.php:16415
          • 22. /bootstrap/cache/compiled.php:15911
          • 23. /bootstrap/cache/compiled.php:8373
          • 24. /bootstrap/cache/compiled.php:9466
          • 29. /bootstrap/cache/compiled.php:9467
          • 30. /bootstrap/cache/compiled.php:9454
          • 31. /bootstrap/cache/compiled.php:8524
          • 32. /bootstrap/cache/compiled.php:8511
          • 33. /bootstrap/cache/compiled.php:8225
          • 36. /bootstrap/cache/compiled.php:3225
          • 41. /bootstrap/cache/compiled.php:13474
          • 46. /bootstrap/cache/compiled.php:11964
          • 51. /bootstrap/cache/compiled.php:13213
          • 56. /bootstrap/cache/compiled.php:13150
          • 63. /bootstrap/cache/compiled.php:8226
          • 64. /bootstrap/cache/compiled.php:8217
          • 65. /bootstrap/cache/compiled.php:8207
          • 66. /bootstrap/cache/compiled.php:2419
          • 74. /bootstrap/cache/compiled.php:3286
          • 81. /bootstrap/cache/compiled.php:2366
          • 82. /bootstrap/cache/compiled.php:2350
          • 83. /public/index.php:53
        • select * from `subcategory` where `category` = '13' order by `subcategory`.`name` asc520μsview::includes.header:504u147839258_diiteduweb
          Metadata
          Bindings
          • 0. 13
          Hints
          • Use SELECT * only if you need all columns from table
          Backtrace
          • 9. view::includes.header:504
          • 11. /bootstrap/cache/compiled.php:15364
          • 12. /bootstrap/cache/compiled.php:15196
          • 13. /bootstrap/cache/compiled.php:15184
          • 14. /bootstrap/cache/compiled.php:15168
          • 15. view::main.course:1
          • 17. /bootstrap/cache/compiled.php:15364
          • 18. /bootstrap/cache/compiled.php:15196
          • 19. /bootstrap/cache/compiled.php:15184
          • 20. /bootstrap/cache/compiled.php:15168
          • 21. /bootstrap/cache/compiled.php:16415
          • 22. /bootstrap/cache/compiled.php:15911
          • 23. /bootstrap/cache/compiled.php:8373
          • 24. /bootstrap/cache/compiled.php:9466
          • 29. /bootstrap/cache/compiled.php:9467
          • 30. /bootstrap/cache/compiled.php:9454
          • 31. /bootstrap/cache/compiled.php:8524
          • 32. /bootstrap/cache/compiled.php:8511
          • 33. /bootstrap/cache/compiled.php:8225
          • 36. /bootstrap/cache/compiled.php:3225
          • 41. /bootstrap/cache/compiled.php:13474
          • 46. /bootstrap/cache/compiled.php:11964
          • 51. /bootstrap/cache/compiled.php:13213
          • 56. /bootstrap/cache/compiled.php:13150
          • 63. /bootstrap/cache/compiled.php:8226
          • 64. /bootstrap/cache/compiled.php:8217
          • 65. /bootstrap/cache/compiled.php:8207
          • 66. /bootstrap/cache/compiled.php:2419
          • 74. /bootstrap/cache/compiled.php:3286
          • 81. /bootstrap/cache/compiled.php:2366
          • 82. /bootstrap/cache/compiled.php:2350
          • 83. /public/index.php:53
          web
          array:2 [ "name" => "Guest" "user" => array:1 [ "guest" => true ] ]
          api
          array:2 [ "name" => "Guest" "user" => array:1 [ "guest" => true ] ]
            _token
            rnXo7LPUooI84wl9lfrWiIwTx91bh966XmXYFPUF
            _previous
            array:1 [ "url" => "https://www.diitedu.com/course/rhce" ]
            PHPDEBUGBAR_STACK_DATA
            []
            format
            html
            content_type
            text/html; charset=UTF-8
            status_text
            OK
            status_code
            200
            request_query
            []
            request_request
            []
            request_headers
            array:15 [ "accept" => array:1 [ 0 => "text/html,application/xhtml+xml,application/xml;q=0.9,i...
            request_server
            array:53 [ "LSPHP_ProcessGroup" => "on" "PATH" => "/usr/local/bin:/bin:/usr/bin" "HTTP_ACCEPT"...
            request_cookies
            []
            response_headers
            array:3 [ "cache-control" => array:1 [ 0 => "no-cache" ] "content-type" => array:1 [ 0...
            path_info
            /course/rhce
            session_attributes
            array:3 [ "_token" => "rnXo7LPUooI84wl9lfrWiIwTx91bh966XmXYFPUF" "_previous" => array:1 [ "u...