diff --git a/Commands/BaseCommand.php b/Commands/BaseCommand.php
index 6b9539c..8aba9de 100644
--- a/Commands/BaseCommand.php
+++ b/Commands/BaseCommand.php
@@ -2,14 +2,14 @@
 
 use SSHConf\SSHConf;
 use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\ArrayInput;
 use Symfony\Component\Console\Output\OutputInterface;
 
 abstract class BaseCommand extends Command
 {
     protected static $defaultName = null;
-    protected $sshConf;
-    /** @var  OutputInterface */
-    protected $output;
+    protected SSHConf $sshConf;
+    protected OutputInterface $output;
 
     public function __construct()
     {
@@ -42,4 +42,11 @@ public function setOutput(&$output)
     {
         $this->output = $output;
     }
+
+    public function runCommand(string $cmd, ?array $args = [])
+    {
+        $command = $this->getApplication()->find($cmd);
+
+        return $command->run(new ArrayInput($args), $this->output);
+    }
 }
\ No newline at end of file
diff --git a/Commands/EditHostCommand.php b/Commands/EditHostCommand.php
index 9c8d589..853fab8 100644
--- a/Commands/EditHostCommand.php
+++ b/Commands/EditHostCommand.php
@@ -145,5 +145,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
         $output->writeln('');
         $this->info(sprintf('Successfully edited "%s" SSH connection.', $host));
+
+        return 0;
     }
 }
\ No newline at end of file
diff --git a/Commands/ListHostsCommand.php b/Commands/ListHostsCommand.php
index d906321..203714e 100644
--- a/Commands/ListHostsCommand.php
+++ b/Commands/ListHostsCommand.php
@@ -20,7 +20,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $data = [];
 
         foreach ($this->sshConf->all() as $host => $conf) {
-            $data[] = [$host, $conf['hostname'] . ($conf['port'] ? ':'.$conf['port'] : ''), $conf['user'] ?? get_current_user()];
+            $data[] = [$host, $conf['hostname'] . (isset($conf['port']) ? ':'.$conf['port'] : ''), $conf['user'] ?? get_current_user()];
         }
 
         $table = new Table($output);
@@ -34,5 +34,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             ->setHeaderTitle('SSH connections')
             ->setFooterTitle('Total: '.count($this->sshConf->all()))
             ->render();
+
+        return 0;
     }
 }
\ No newline at end of file
diff --git a/Commands/RemoveHostCommand.php b/Commands/RemoveHostCommand.php
index 3abf7f8..373b0d0 100644
--- a/Commands/RemoveHostCommand.php
+++ b/Commands/RemoveHostCommand.php
@@ -32,5 +32,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $this->sshConf->remove($host)->save();
 
         $this->info(sprintf('Successfully removed "%s" SSH connection.', $host));
+
+        return 0;
     }
 }
\ No newline at end of file
diff --git a/Commands/ViewHostCommand.php b/Commands/ViewHostCommand.php
index 05c158a..d2df7ba 100644
--- a/Commands/ViewHostCommand.php
+++ b/Commands/ViewHostCommand.php
@@ -46,5 +46,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             ->setHeaderTitle('SSH: '.$host)
             ->setFooterTitle('Total: '.count($data))
             ->render();
+
+        return 0;
     }
 }
\ No newline at end of file
diff --git a/README.md b/README.md
index 4043e5d..c4bf182 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ Small CLI utility to manage ssh config file on Linux/Mac
 ## Requirements
 
 * wget or cURL
-* PHP 7.1
+* PHP 8.0
 
 ## Installation
 
diff --git a/SSHConf/SSHConf.php b/SSHConf/SSHConf.php
index 5229988..ba4976e 100644
--- a/SSHConf/SSHConf.php
+++ b/SSHConf/SSHConf.php
@@ -2,13 +2,8 @@
 
 class SSHConf
 {
-
-
-    /**
-     * @var null
-     */
-    protected $sshConfFile;
-    public $sshConf = [];
+    protected string $sshConfFile;
+    protected array $sshConf = [];
 
     public function __construct($sshConfFile = null)
     {
@@ -94,6 +89,11 @@ public function all()
         return $this->sshConf;
     }
 
+    public function count()
+    {
+        return count($this->sshConf);
+    }
+
     public function dump()
     {
         $text = '';
diff --git a/composer.json b/composer.json
index 282cd85..f8eac23 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,8 @@
         }
     ],
     "require": {
-        "symfony/console": "^4.3"
+        "symfony/console": "^6",
+        "symfony/process": "^6.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/composer.lock b/composer.lock
index fc068e5..dc9300b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,32 +1,32 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "a6e9312f88b9a6176545fd805ef6fa12",
+    "content-hash": "8013ff81472df576068f1d60bb25357b",
     "packages": [
         {
             "name": "psr/container",
-            "version": "1.0.0",
+            "version": "2.0.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/php-fig/container.git",
-                "reference": "b7ce3b176482dbbc1245ebf52b181af44c2cf55f"
+                "reference": "c71ecc56dfe541dbd90c5360474fbc405f8d5963"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/container/zipball/b7ce3b176482dbbc1245ebf52b181af44c2cf55f",
-                "reference": "b7ce3b176482dbbc1245ebf52b181af44c2cf55f",
+                "url": "https://api.github.com/repos/php-fig/container/zipball/c71ecc56dfe541dbd90c5360474fbc405f8d5963",
+                "reference": "c71ecc56dfe541dbd90c5360474fbc405f8d5963",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0"
+                "php": ">=7.4.0"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
@@ -41,7 +41,7 @@
             "authors": [
                 {
                     "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
+                    "homepage": "https://www.php-fig.org/"
                 }
             ],
             "description": "Common Container Interface (PHP FIG PSR-11)",
@@ -53,44 +53,50 @@
                 "container-interop",
                 "psr"
             ],
-            "time": "2017-02-14T16:28:37+00:00"
+            "support": {
+                "issues": "https://github.com/php-fig/container/issues",
+                "source": "https://github.com/php-fig/container/tree/2.0.2"
+            },
+            "time": "2021-11-05T16:47:00+00:00"
         },
         {
             "name": "symfony/console",
-            "version": "v4.3.4",
+            "version": "v6.0.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "de63799239b3881b8a08f8481b22348f77ed7b36"
+                "reference": "0d00aa289215353aa8746a31d101f8e60826285c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/de63799239b3881b8a08f8481b22348f77ed7b36",
-                "reference": "de63799239b3881b8a08f8481b22348f77ed7b36",
+                "url": "https://api.github.com/repos/symfony/console/zipball/0d00aa289215353aa8746a31d101f8e60826285c",
+                "reference": "0d00aa289215353aa8746a31d101f8e60826285c",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3",
+                "php": ">=8.0.2",
                 "symfony/polyfill-mbstring": "~1.0",
-                "symfony/polyfill-php73": "^1.8",
-                "symfony/service-contracts": "^1.1"
+                "symfony/service-contracts": "^1.1|^2|^3",
+                "symfony/string": "^5.4|^6.0"
             },
             "conflict": {
-                "symfony/dependency-injection": "<3.4",
-                "symfony/event-dispatcher": "<4.3",
-                "symfony/process": "<3.3"
+                "symfony/dependency-injection": "<5.4",
+                "symfony/dotenv": "<5.4",
+                "symfony/event-dispatcher": "<5.4",
+                "symfony/lock": "<5.4",
+                "symfony/process": "<5.4"
             },
             "provide": {
-                "psr/log-implementation": "1.0"
+                "psr/log-implementation": "1.0|2.0|3.0"
             },
             "require-dev": {
-                "psr/log": "~1.0",
-                "symfony/config": "~3.4|~4.0",
-                "symfony/dependency-injection": "~3.4|~4.0",
-                "symfony/event-dispatcher": "^4.3",
-                "symfony/lock": "~3.4|~4.0",
-                "symfony/process": "~3.4|~4.0",
-                "symfony/var-dumper": "^4.3"
+                "psr/log": "^1|^2|^3",
+                "symfony/config": "^5.4|^6.0",
+                "symfony/dependency-injection": "^5.4|^6.0",
+                "symfony/event-dispatcher": "^5.4|^6.0",
+                "symfony/lock": "^5.4|^6.0",
+                "symfony/process": "^5.4|^6.0",
+                "symfony/var-dumper": "^5.4|^6.0"
             },
             "suggest": {
                 "psr/log": "For using the console logger",
@@ -99,11 +105,6 @@
                 "symfony/process": ""
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "4.3-dev"
-                }
-            },
             "autoload": {
                 "psr-4": {
                     "Symfony\\Component\\Console\\": ""
@@ -126,26 +127,52 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony Console Component",
+            "description": "Eases the creation of beautiful and testable command line interfaces",
             "homepage": "https://symfony.com",
-            "time": "2019-08-26T08:26:39+00:00"
+            "keywords": [
+                "cli",
+                "command line",
+                "console",
+                "terminal"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/console/tree/v6.0.8"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-04-20T15:01:42+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
-            "version": "v1.12.0",
+            "version": "v1.25.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "550ebaac289296ce228a706d0867afc34687e3f4"
+                "reference": "30885182c981ab175d4d034db0f6f469898070ab"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/550ebaac289296ce228a706d0867afc34687e3f4",
-                "reference": "550ebaac289296ce228a706d0867afc34687e3f4",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/30885182c981ab175d4d034db0f6f469898070ab",
+                "reference": "30885182c981ab175d4d034db0f6f469898070ab",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": ">=7.1"
+            },
+            "provide": {
+                "ext-ctype": "*"
             },
             "suggest": {
                 "ext-ctype": "For best performance"
@@ -153,16 +180,20 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.12-dev"
+                    "dev-main": "1.23-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Ctype\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -186,41 +217,62 @@
                 "polyfill",
                 "portable"
             ],
-            "time": "2019-08-06T08:03:45+00:00"
+            "support": {
+                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.25.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-10-20T20:35:02+00:00"
         },
         {
-            "name": "symfony/polyfill-mbstring",
-            "version": "v1.12.0",
+            "name": "symfony/polyfill-intl-grapheme",
+            "version": "v1.25.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17"
+                "url": "https://github.com/symfony/polyfill-intl-grapheme.git",
+                "reference": "81b86b50cf841a64252b439e738e97f4a34e2783"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/b42a2f66e8f1b15ccf25652c3424265923eb4f17",
-                "reference": "b42a2f66e8f1b15ccf25652c3424265923eb4f17",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-grapheme/zipball/81b86b50cf841a64252b439e738e97f4a34e2783",
+                "reference": "81b86b50cf841a64252b439e738e97f4a34e2783",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": ">=7.1"
             },
             "suggest": {
-                "ext-mbstring": "For best performance"
+                "ext-intl": "For best performance"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.12-dev"
+                    "dev-main": "1.23-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Mbstring\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Intl\\Grapheme\\": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -236,47 +288,72 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony polyfill for the Mbstring extension",
+            "description": "Symfony polyfill for intl's grapheme_* functions",
             "homepage": "https://symfony.com",
             "keywords": [
                 "compatibility",
-                "mbstring",
+                "grapheme",
+                "intl",
                 "polyfill",
                 "portable",
                 "shim"
             ],
-            "time": "2019-08-06T08:03:45+00:00"
+            "support": {
+                "source": "https://github.com/symfony/polyfill-intl-grapheme/tree/v1.25.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-11-23T21:10:46+00:00"
         },
         {
-            "name": "symfony/polyfill-php73",
-            "version": "v1.12.0",
+            "name": "symfony/polyfill-intl-normalizer",
+            "version": "v1.25.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/polyfill-php73.git",
-                "reference": "2ceb49eaccb9352bff54d22570276bb75ba4a188"
+                "url": "https://github.com/symfony/polyfill-intl-normalizer.git",
+                "reference": "8590a5f561694770bdcd3f9b5c69dde6945028e8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-php73/zipball/2ceb49eaccb9352bff54d22570276bb75ba4a188",
-                "reference": "2ceb49eaccb9352bff54d22570276bb75ba4a188",
+                "url": "https://api.github.com/repos/symfony/polyfill-intl-normalizer/zipball/8590a5f561694770bdcd3f9b5c69dde6945028e8",
+                "reference": "8590a5f561694770bdcd3f9b5c69dde6945028e8",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": ">=7.1"
+            },
+            "suggest": {
+                "ext-intl": "For best performance"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.12-dev"
+                    "dev-main": "1.23-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Php73\\": ""
-                },
                 "files": [
                     "bootstrap.php"
                 ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Intl\\Normalizer\\": ""
+                },
                 "classmap": [
                     "Resources/stubs"
                 ]
@@ -295,33 +372,199 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions",
+            "description": "Symfony polyfill for intl's Normalizer class and related functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "intl",
+                "normalizer",
+                "polyfill",
+                "portable",
+                "shim"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-intl-normalizer/tree/v1.25.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-02-19T12:13:01+00:00"
+        },
+        {
+            "name": "symfony/polyfill-mbstring",
+            "version": "v1.25.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-mbstring.git",
+                "reference": "0abb51d2f102e00a4eefcf46ba7fec406d245825"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/0abb51d2f102e00a4eefcf46ba7fec406d245825",
+                "reference": "0abb51d2f102e00a4eefcf46ba7fec406d245825",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1"
+            },
+            "provide": {
+                "ext-mbstring": "*"
+            },
+            "suggest": {
+                "ext-mbstring": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "1.23-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Mbstring\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for the Mbstring extension",
             "homepage": "https://symfony.com",
             "keywords": [
                 "compatibility",
+                "mbstring",
                 "polyfill",
                 "portable",
                 "shim"
             ],
-            "time": "2019-08-06T08:03:45+00:00"
+            "support": {
+                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.25.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-11-30T18:21:41+00:00"
+        },
+        {
+            "name": "symfony/process",
+            "version": "v6.0.8",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/process.git",
+                "reference": "d074154ea8b1443a96391f6e39f9e547b2dd01b9"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/process/zipball/d074154ea8b1443a96391f6e39f9e547b2dd01b9",
+                "reference": "d074154ea8b1443a96391f6e39f9e547b2dd01b9",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.0.2"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Process\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Executes commands in sub-processes",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/process/tree/v6.0.8"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-04-12T16:11:42+00:00"
         },
         {
             "name": "symfony/service-contracts",
-            "version": "v1.1.6",
+            "version": "v3.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/service-contracts.git",
-                "reference": "ea7263d6b6d5f798b56a45a5b8d686725f2719a3"
+                "reference": "e517458f278c2131ca9f262f8fbaf01410f2c65c"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/service-contracts/zipball/ea7263d6b6d5f798b56a45a5b8d686725f2719a3",
-                "reference": "ea7263d6b6d5f798b56a45a5b8d686725f2719a3",
+                "url": "https://api.github.com/repos/symfony/service-contracts/zipball/e517458f278c2131ca9f262f8fbaf01410f2c65c",
+                "reference": "e517458f278c2131ca9f262f8fbaf01410f2c65c",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3",
-                "psr/container": "^1.0"
+                "php": ">=8.0.2",
+                "psr/container": "^2.0"
+            },
+            "conflict": {
+                "ext-psr": "<1.1|>=2"
             },
             "suggest": {
                 "symfony/service-implementation": ""
@@ -329,7 +572,11 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.1-dev"
+                    "dev-main": "3.0-dev"
+                },
+                "thanks": {
+                    "name": "symfony/contracts",
+                    "url": "https://github.com/symfony/contracts"
                 }
             },
             "autoload": {
@@ -361,44 +608,62 @@
                 "interoperability",
                 "standards"
             ],
-            "time": "2019-08-20T14:44:19+00:00"
+            "support": {
+                "source": "https://github.com/symfony/service-contracts/tree/v3.0.1"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-03-13T20:10:05+00:00"
         },
         {
-            "name": "symfony/yaml",
-            "version": "v4.3.4",
+            "name": "symfony/string",
+            "version": "v6.0.8",
             "source": {
                 "type": "git",
-                "url": "https://github.com/symfony/yaml.git",
-                "reference": "5a0b7c32dc3ec56fd4abae8a4a71b0cf05013686"
+                "url": "https://github.com/symfony/string.git",
+                "reference": "ac0aa5c2282e0de624c175b68d13f2c8f2e2649d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/5a0b7c32dc3ec56fd4abae8a4a71b0cf05013686",
-                "reference": "5a0b7c32dc3ec56fd4abae8a4a71b0cf05013686",
+                "url": "https://api.github.com/repos/symfony/string/zipball/ac0aa5c2282e0de624c175b68d13f2c8f2e2649d",
+                "reference": "ac0aa5c2282e0de624c175b68d13f2c8f2e2649d",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.1.3",
-                "symfony/polyfill-ctype": "~1.8"
+                "php": ">=8.0.2",
+                "symfony/polyfill-ctype": "~1.8",
+                "symfony/polyfill-intl-grapheme": "~1.0",
+                "symfony/polyfill-intl-normalizer": "~1.0",
+                "symfony/polyfill-mbstring": "~1.0"
             },
             "conflict": {
-                "symfony/console": "<3.4"
+                "symfony/translation-contracts": "<2.0"
             },
             "require-dev": {
-                "symfony/console": "~3.4|~4.0"
-            },
-            "suggest": {
-                "symfony/console": "For validating YAML files using the lint command"
+                "symfony/error-handler": "^5.4|^6.0",
+                "symfony/http-client": "^5.4|^6.0",
+                "symfony/translation-contracts": "^2.0|^3.0",
+                "symfony/var-exporter": "^5.4|^6.0"
             },
             "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "4.3-dev"
-                }
-            },
             "autoload": {
+                "files": [
+                    "Resources/functions.php"
+                ],
                 "psr-4": {
-                    "Symfony\\Component\\Yaml\\": ""
+                    "Symfony\\Component\\String\\": ""
                 },
                 "exclude-from-classmap": [
                     "/Tests/"
@@ -410,17 +675,42 @@
             ],
             "authors": [
                 {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
                 },
                 {
                     "name": "Symfony Community",
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony Yaml Component",
+            "description": "Provides an object-oriented API to strings and deals with bytes, UTF-8 code points and grapheme clusters in a unified way",
             "homepage": "https://symfony.com",
-            "time": "2019-08-20T14:27:59+00:00"
+            "keywords": [
+                "grapheme",
+                "i18n",
+                "string",
+                "unicode",
+                "utf-8",
+                "utf8"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/string/tree/v6.0.8"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-04-22T08:18:02+00:00"
         }
     ],
     "packages-dev": [],
@@ -430,5 +720,6 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.3.0"
 }
diff --git a/sshconf.php b/sshconf.php
index cc29aea..52a4817 100755
--- a/sshconf.php
+++ b/sshconf.php
@@ -9,14 +9,18 @@
 use Commands\ListHostsCommand;
 use Commands\RemoveHostCommand;
 use Commands\ViewHostCommand;
+use Commands\ConnectHostCommand;
 use Symfony\Component\Console\Application;
 
-$application = new Application("sshconf", "0.3");
+$application = new Application("sshconf", "0.4");
 
 $application->add(new AddHostCommand());
 $application->add(new EditHostCommand());
 $application->add(new ViewHostCommand());
 $application->add(new ListHostsCommand());
 $application->add(new RemoveHostCommand());
+$application->add(new ConnectHostCommand());
+
+$application->setDefaultCommand('connect');
 
 $application->run();
\ No newline at end of file