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如何在 Ubuntu 14 上安装 PHP 5.6 redis 扩展

tag-icon • tag-icon linux php ubuntu-14.04
如何在 Ubuntu 14 上安装 PHP 5.6 redis 扩展

我们曾经使用 PECL 安装 PHP 的 Redis 扩展。但 PECL 似乎已不再支持低于 7.0 的 PHP 版本。没有 PECL 的最佳做法是什么？我们在 Ubuntu 14.x 上运行 PHP 5.6

ubuntu@box776:~$ pecl help version
PEAR Version: 1.10.1
PHP Version: 5.6.18
Zend Engine Version: 2.6.0
Running on: Linux box776.localdomain 3.13.0-86-generic #131-Ubuntu SMP Thu May 12 23:33:13 UTC 2016 x86_64

更新 1

$ sudo apt-get install php5-redis

Reading package lists... 0%
Reading package lists... 0%
Reading package lists... 0%
Reading package lists... 0%
Reading package lists... 0%
Reading package lists... 0%
Reading package lists... 41%
Reading package lists... Done


Building dependency tree... 50%
Building dependency tree       


Reading state information... Done

The following package was automatically installed and is no longer required:
  os-prober
Use 'apt-get autoremove' to remove it.
The following NEW packages will be installed:
  php5-redis
0 upgraded, 1 newly installed, 0 to remove and 59 not upgraded.
Need to get 105 kB of archives.
After this operation, 359 kB of additional disk space will be used.


0% [Working]Get:1 http://archive.ubuntu.com/ubuntu/ trusty/universe php5-redis amd64 2.2.4-1build2 [105 kB]

13% [1 php5-redis 14.2 kB/105 kB 13%]Fetched 105 kB in 0s (264 kB/s)
Selecting previously unselected package php5-redis.
(Reading database ... 
(Reading database ... 10%
(Reading database ... 25%
(Reading database ... 40%
(Reading database ... 303857 files and directories currently installed.)
Preparing to unpack .../php5-redis_2.2.4-1build2_amd64.deb ...
Unpacking php5-redis (2.2.4-1build2) ...
Setting up php5-redis (2.2.4-1build2) ...
php5_invoke: Enable module redis for apache2 SAPI
php5_invoke: Enable module redis for cli SAPI

这一切似乎进展顺利，但随后composer install却说：

$ composer install --no-interaction

You are running composer with xdebug enabled. This has a major impact on runtime performance. See https://getcomposer.org/xdebug
Loading composer repositories with package information
Installing dependencies (including require-dev) from lock file
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - The requested PHP extension ext-redis * is missing from your system. Install or enable PHP's redis extension.


composer install --no-interaction returned exit code 2

Action failed: composer install

更新 2

我通过 SSH 进入该框并运行了相同的命令......

ubuntu@box776:~$ apt-get install php5-redis
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
ubuntu@box776:~$ sudo apt-get install php5-redis
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following package was automatically installed and is no longer required:
  os-prober
Use 'apt-get autoremove' to remove it.
The following NEW packages will be installed:
  php5-redis
0 upgraded, 1 newly installed, 0 to remove and 59 not upgraded.
Need to get 105 kB of archives.
After this operation, 359 kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu/ trusty/universe php5-redis amd64 2.2.4-1build2 [105 kB]
Fetched 105 kB in 0s (274 kB/s)
Selecting previously unselected package php5-redis.
(Reading database ... 303857 files and directories currently installed.)
Preparing to unpack .../php5-redis_2.2.4-1build2_amd64.deb ...
Unpacking php5-redis (2.2.4-1build2) ...
Setting up php5-redis (2.2.4-1build2) ...
php5_invoke: Enable module redis for apache2 SAPI
php5_invoke: Enable module redis for cli SAPI

我想知道最后两行是不是我遗漏了？它是否告诉我需要采取额外步骤来“启用模块 redis”？

答案1

CircleCI 从其自己的位置加载和配置 PHP：。我们通过 APT 安装，然后将 CircleCI 的 PHP 版本连接到 APT 安装的文件，/opt/circleci/php/{version}解决了发布的问题。它在我们的文件中如下所示：php-rediscircle.yml

dependencies:
  pre:
    # Set up php-redis.
    # The PHPAPI version (20131226) needs to match.
    # If we start using a different version of PHP this section may need to be updated.
    - sudo apt-add-repository -y ppa:ondrej/php
    - sudo apt-get update
    - sudo apt-get install php-redis
    - echo 'extension=/usr/lib/php/20131226/redis.so' | sudo tee /opt/circleci/php/5.6.17/etc/conf.d/redis.ini
    - echo 'extension=/usr/lib/php/20131226/igbinary.so' | sudo tee /opt/circleci/php/5.6.17/etc/conf.d/igbinary.ini

最近，CircleCI 开始使用 运行 Composer 时php -n，这个问题再次出现，它拒绝加载 PHP 的配置文件，因此忽略了上述更改。但你可以用自己的命令覆盖 Composer 命令。我们将其添加到circle.yml：

dependencies:
  override:
    # CircleCI's new method of running composer breaks our php-redis setup below.
    - composer install --no-interaction

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