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I have a project in Laravel-5.1 and I have changed my platform from win10 to Ubuntu.
Showing error:
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.
Problem 1 - laravel/framework v5.2.9 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.8 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.7 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.6 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.5 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.4 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.31 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.30 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.3 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.29 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.28 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.27 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.26 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.25 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.24 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.23 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.22 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.21 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.20 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.2 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.19 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.18 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.17 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.16 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.15 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.14 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.13 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.12 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.11 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.10 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.1 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.0 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - laravel/framework v5.2.30 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system. - Installation request for laravel/framework 5.2.* -> satisfiable by laravel/framework[v5.2.0, v5.2.1, v5.2.10, v5.2.11, v5.2.12, v5.2.13, v5.2.14, v5.2.15, v5.2.16, v5.2.17, v5.2.18, v5.2.19, v5.2.2, v5.2.20, v5.2.21, v5.2.22, v5.2.23, v5.2.24, v5.2.25, v5.2.26, v5.2.27, v5.2.28, v5.2.29, v5.2.3, v5.2.30, v5.2.31, v5.2.4, v5.2.5, v5.2.6, v5.2.7, v5.2.8, v5.2.9]. To enable extensions, verify that they are enabled in those .ini files: - /etc/php/7.0/cli/php.ini - /etc/php/7.0/cli/conf.d/10-mysqlnd.ini - /etc/php/7.0/cli/conf.d/10-opcache.ini - /etc/php/7.0/cli/conf.d/10-pdo.ini - /etc/php/7.0/cli/conf.d/20-calendar.ini - /etc/php/7.0/cli/conf.d/20-ctype.ini - /etc/php/7.0/cli/conf.d/20-exif.ini - /etc/php/7.0/cli/conf.d/20-fileinfo.ini - /etc/php/7.0/cli/conf.d/20-ftp.ini - /etc/php/7.0/cli/conf.d/20-gettext.ini - /etc/php/7.0/cli/conf.d/20-iconv.ini - /etc/php/7.0/cli/conf.d/20-json.ini - /etc/php/7.0/cli/conf.d/20-mysqli.ini - /etc/php/7.0/cli/conf.d/20-pdo_mysql.ini - /etc/php/7.0/cli/conf.d/20-phar.ini - /etc/php/7.0/cli/conf.d/20-posix.ini - /etc/php/7.0/cli/conf.d/20-readline.ini - /etc/php/7.0/cli/conf.d/20-shmop.ini - /etc/php/7.0/cli/conf.d/20-sockets.ini - /etc/php/7.0/cli/conf.d/20-sysvmsg.ini - /etc/php/7.0/cli/conf.d/20-sysvsem.ini - /etc/php/7.0/cli/conf.d/20-sysvshm.ini - /etc/php/7.0/cli/conf.d/20-tokenizer.ini You can also run `php --ini` inside terminal to see which files are used by PHP in CLI mode. Composer/json.
{ "name": "laravel/laravel", "description": "The Laravel Framework.", "keywords": ["framework", "laravel"], "license": "MIT", "type": "project", "require": { "php": ">=5.5.9", "laravel/framework": "5.2.*", "infyomlabs/laravel-generator": "dev-master", "laravelcollective/html": "5.2.*", "infyomlabs/core-templates": "dev-master", "infyomlabs/swagger-generator": "dev-master", "jlapp/swaggervel": "dev-master", "doctrine/dbal": "~2.3", "infyomlabs/generator-builder": "dev-master", "yajra/laravel-datatables-oracle": "~6.0", "barryvdh/laravel-ide-helper": "^2.1", "infyomlabs/adminlte-templates": "dev-master" }, "require-dev": { "fzaninotto/faker": "~1.4", "mockery/mockery": "0.9.*", "phpunit/phpunit": "~4.0", "symfony/css-selector": "2.8.*|3.0.*", "symfony/dom-crawler": "2.8.*|3.0.*" }, "autoload": { "classmap": [ "database" ], "psr-4": { "App\\": "app/" } }, "autoload-dev": { "classmap": [ "tests/TestCase.php" ] }, "scripts": { "post-root-package-install": [ "php -r \"copy('.env.example', '.env');\"" ], "post-create-project-cmd": [ "php artisan key:generate" ], "post-install-cmd": [ "Illuminate\\Foundation\\ComposerScripts::postInstall", "php artisan optimize" ], "post-update-cmd": [ "Illuminate\\Foundation\\ComposerScripts::postUpdate", "php artisan optimize" ] }, "config": { "preferred-install": "dist" } }
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Make sure you have no problems with your setup by running the installer's checks via curl -sS https://getcomposer.org/installer | php -- --check . Try clearing Composer's cache by running composer clear-cache . Ensure you're installing vendors straight from your composer.
update / u# In order to get the latest versions of the dependencies and to update the composer. lock file, you should use the update command. This command is also aliased as upgrade as it does the same as upgrade does if you are thinking of apt-get or similar package managers.
The "Killed" message usually means your process consumed too much memory, so you may simply need to add more memory to your system if possible. At the time of writing this answer, I've had to increase my virtual machine's memory to at least 768MB in order to get composer update to work in some situations.
Your error message is pretty explicit about what is going wrong:
laravel/framework v5.2.9 requires ext-mbstring * -> the requested PHP extension mbstring is missing from your system.
Do you have mbstring installed on your server and is it enabled?
You can install mbstring as part of the libapache2-mod-php5 package:
sudo apt-get install libapache2-mod-php5
Or standalone with:
sudo apt-get install php-mbstring
Installing it will also enable it, however you can also enable it by editing your php.ini file and remove the ; that is commenting it out if it is already installed.
If this is on your local machine, then follow the appropriate steps to install this on your environment.
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for php7 you can do that:
sudo apt-get install php-gd php-xml php7.0-mbstring If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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