MCrypt 在 Ubuntu 升级到13.10之后就不存在了

在我将我的系统从 Ubuntu 13.04升级到13.10之后，apache、 mysql 和 php 配置出现了一些问题。

我解决了大部分问题，但似乎不能让 mCrypt 库工作。 软件包已经安装，所以我不需要 apt-get 它。服务器工作正常，一切看起来都很正常，但是当我尝试用 Laravel4运行 php artisan serve时，我得到一条消息，需要 mCrypt。

我做了 php --ri mcrypt，输出是 Extension 'mcrypt' not present. 我试过把 extension=mcrypt.so放到 /etc/php5/apache2/php.ini上，但是没有用。

有什么想法吗？

dpkg --get-selections | grep php5输出

libapache2-mod-php5         install
php5                        install
php5-cli                    install
php5-common                 install
php5-gd                     install
php5-json                   install
php5-mcrypt                 install
php5-mysql                  install
php5-readline               install
84263 次浏览
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最佳答案

I think I found the solution at launchpad.net.

sudo ln -s /etc/php5/conf.d/mcrypt.ini /etc/php5/mods-available
sudo php5enmod mcrypt
sudo service apache2 restart

This worked for me.

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Another solution if the package is already installed:

sudo aptitude reinstall php5-mycript

This worked for me after doing upgrade

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I also have this problem with Ubuntu 14.04 after install.

First enable the mcrypt

sudo gedit /etc/php5/apache2/php.ini

Add this command in any line

extension=mcrypt.so

Create conf.d folder in /etc/php5

sudo mkdir conf.d

And inside that folder create mcrypt.ini file 

sudo gedit mcrypt.ini

Then add this command to that file 

extension=mcrypt.so

Then create a link to file 

sudo ln -s /etc/php5/conf.d/mcrypt.ini /etc/php5/mods-available

Enable mcrypt module

sudo php5enmod mcrypt

Restart apache

sudo service apache2 restart
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I had this problem with Ubuntu 14.04 and I did the following to resolve it:

sudo apt-get install php5-mcrypt
sudo php5enmod mcrypt


sudo service apache2 restart
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From Ubuntu 13.10 to 14.04:

sudo php5enmod mcrypt
sudo service apache2 restart

Works for me.

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Try this code:

ln -s /etc/php5/conf.d/mcrypt.ini /etc/php5/apache2/conf.d/20-mcrypt.ini
service apache2 restart
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I had the same problem with PHP 5.5.14 running on Mac OS X Yosemite. I was trying to install Laravel 5.0. And when I tried to create a new project I got an error like below (even when I tried to start the laravel server with php artisan serve

Alejandros-MacBook-Pro:Documents Lexynux$ laravel new blog
Crafting application...
PHP Notice:  Use of undefined constant MCRYPT_RIJNDAEL_128 - assumed 'MCRYPT_RIJNDAEL_128' in /Library/WebServer/Documents/blog/config/app.php on line 83
PHP Notice:  Use of undefined constant MCRYPT_RIJNDAEL_128 - assumed 'MCRYPT_RIJNDAEL_128' in /Library/WebServer/Documents/blog/config/app.php on line 83
Generating optimized class loader
Compiling common classes
Compiling views
PHP Notice:  Use of undefined constant MCRYPT_RIJNDAEL_128 - assumed 'MCRYPT_RIJNDAEL_128' in /Library/WebServer/Documents/blog/config/app.php on line 83
Application key [CCOPocoMjnJTx4AFXk64wqyTKyo3BlHq] set successfully.
Application ready! Build something amazing.
Alejandros-MacBook-Pro:Documents Lexynux$

So I just added the line below at the end of my php.ini file with the nano editor:

extension=mcrypt.so
sudo nano /etc/php.ini

Finally just restart the Terminal and restart the laravel app server with

php artisan serve

And it works fine!

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just found on php.net

Note, for Ubuntu, simply installing php5-mcrypt did not get mcrypt to work. You need to execute the following commands as root to enable it:

apt-get install php5-mcrypt
mv -i /etc/php5/conf.d/mcrypt.ini /etc/php5/mods-available/
php5enmod mcrypt
service apache2 restart

http://php.net/manual/en/mcrypt.installation.php#114609

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Sometimes, this "problem" occurs because you entered an artisan command on your local machine instead of on your virtual machine. If you are using Homestead, mcrypt is already installed. Consider it a reminder to homestead ssh

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I also had this problem with Ubuntu 14.04 and Nginx,but the tip for me was restart the FPM service, so I did:

Install the library

apt-get install php5-mcrypt

Find the path

updatedb && locate mcrypt.so

Set the path of mcrypt.so inside the mcrypt.ini file located in /etc/php5/mods-available/mcrypt.ini

extension=/usr/lib/php5/20121212/mcrypt.so

And then restart the FPM service

service php5-fpm restart


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