基于Ubuntu14.04安装Canvas LMS的Production版_H5之家 - 中国HTML5教程资源分享第一站

基于Ubuntu14.04安装Canvas LMS的Production版

时间:2016-10-11来源:linux网站作者:jsgang9

Canvas被Black Duck标榜为"唯一的一款商业开源学习管理系统，而且是唯一的一款部署在云端的学习管理系统LMS"。

Canvas的确是一款优秀的lms，界面美观/功能完备/丰富的API，尤其适合校内教学使用，有班级/小组/学期的概念。

下面是安装过程：

首先，要安装一台干净的Ubuntu14.04，只安装open ssh，建议安装成纯英文系统。

接下来可以安装官方的教程一步一步安装。

1.安装Postgres数据库，命令如下

sudo apt-get install postgresql-9.3

2.配置Postgres，命令如下

sudo -u postgres createuser canvas --no-createdb \

--no-superuser --no-createrole --pwprompt

sudo -u postgres createdb canvas_production --owner=canvas

3.安装Git软件，命令如下

sudo apt-get install git-core

4.通过GitHub获取Canvas-LMS代码并设置分支,本地放在/var下面，命令如下

git clone https://github.com/instructure/canvas-lms.git canvas

cd canvas

git branch --set-upstream-to origin/stable

5.安装Ruby2.1/2.2的apt源,命令如下

sudo apt-get install software-properties-common

sudo apt-add-repository ppa:brightbox/ruby-ng

sudo apt-get update

6.安装Ruby2.2（可自选2.1或2.2），命令如下

sudo apt-get install ruby2.2 ruby2.2-dev zlib1g-dev libxml2-dev \

libsqlite3-dev postgresql libpq-dev \

libxmlsec1-dev curl make g++

7.安装Ruby2.1（可自选2.1或2.2），命令如下

sudo apt-get install ruby2.1 ruby2.1-dev zlib1g-dev libxml2-dev \

libsqlite3-dev postgresql libpq-dev \

libxmlsec1-dev curl make g++

8.安装Node.js,命令如下

curl -sL https://deb.nodesource.com/setup_6.x | sudo -E bash -

sudo apt-get install nodejs

9.设置系统账户为Postgres的超级用户，命令如下

sudo -u postgres createuser $USER

sudo -u postgres psql -c "alter user $USER with superuser" postgres

10.使用gem安装bundler，命令如下

sudo gem install bundler --version 1.12.5

bundle install --path vendor/bundle

11.设置Canvas默认配置，命令如下

for config in amazon_s3 database \

delayed_jobs domain file_store outgoing_mail security external_migration; \

do cp config/$config.yml.example config/$config.yml; done

12.配置数据库文件，修改为自己设置的数据库密码，命令如下

cp config/database.yml.example config/database.yml

nano config/database.yml

13.配置SMTP邮件服务器，命令如下

cp config/outgoing_mail.yml.example config/outgoing_mail.yml

ano config/outgoing_mail.yml

14.配置域名，命令如下

cp config/domain.yml.example config/domain.yml

nano config/domain.yml

15.配置安全字符串文件，安全字符串不能少于20个字符，命令如下

cp config/security.yml.example config/security.yml

nano config/security.yml

16.初始化数据库，命令如下

cd /var/canvas

RAILS_ENV=production bundle exec rake db:initial_setup

17.添加Canvas用户，命令如下

sudo adduser --disabled-password --gecos canvas canvasuser

18.配置缓存文件，命令如下

cd /var/canvas

mkdir -p log tmp/pids public/assets public/stylesheets/compiled

touch Gemfile.lock

sudo chown -R canvasuser config/environment.rb log tmp public/assets \

public/stylesheets/compiled Gemfile.lock config.ru

19.接着安装npm并运行生成缓存文件，命令如下

npm install

RAILS_ENV=production bundle exec rake canvas:compile_assets

20.修改配置文件权限，命令如下

sudo chown canvasuser config/*.yml

sudo chmod 400 config/*.yml

21.配置Passenger 的apt源，命令如下

sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 561F9B9CAC40B2F7

sudo apt-get install -y apt-transport-https ca-certificates

sudo sh -c 'echo deb https://oss-binaries.phusionpassenger.com/apt/passenger trusty main > /etc/apt/sources.list.d/passenger.list'

sudo apt-get update

22.安装Passenger 及Apache，命令如下

sudo apt-get install passenger libapache2-mod-passenger apache2

23.启用mod_rewrite模块，命令如下

sudo a2enmod rewrite

24.启用Apache的SSL服务，命令如下

sudo a2enmod ssl

25.删除Apache默认站点，命令如下

sudo unlink /etc/apache2/sites-enabled/000-default.conf

26.创建新的站点配置文件并写入一下信息，命令如下

sudo nano /etc/apache2/sites-available/canvas.conf

内容：可以对应修改一下域名等信息

ServerName canvas.example.com

ServerAlias files.canvas.example.com

ServerAdmin youremail@example.com

DocumentRoot /var/canvas/public

RewriteEngine On

RewriteCond %{HTTP:X-Forwarded-Proto} !=https

RewriteCond %{REQUEST_URI} !^/health_check

RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [L]

ErrorLog /var/log/apache2/canvas_errors.log

LogLevel warn

CustomLog /var/log/apache2/canvas_access.log combined

SetEnv RAILS_ENV production

Options All

AllowOverride All

Require all granted

</Directory>

</VirtualHost>

ServerName canvas.example.com

ServerAlias files.canvas.example.com

ServerAdmin youremail@example.com

DocumentRoot /var/canvas/public

ErrorLog /var/log/apache2/canvas_errors.log

LogLevel warn

CustomLog /var/log/apache2/canvas_ssl_access.log combined

SSLEngine on

BrowserMatch "MSIE [2-6]" nokeepalive ssl-unclean-shutdown downgrade-1.0 force-response-1.0

BrowserMatch "MSIE [17-9]" ssl-unclean-shutdown

# the following ssl certificate files are generated for you from the ssl-cert package.

SSLCertificateFile /etc/ssl/certs/ssl-cert-snakeoil.pem

SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key

SetEnv RAILS_ENV production

Options All

AllowOverride All

Require all granted

</Directory>

</VirtualHost>

27.启用canvas站点，命令如下

sudo a2ensite canvas

28.安装redis服务器的apt源及软件，命令如下

sudo add-apt-repository ppa:chris-lea/redis-server

sudo apt-get update

sudo apt-get install redis-server

29.配置站点缓存文件，命令如下

cd /var/canvas/

cp config/cache_store.yml.example config/cache_store.yml

nano config/cache_store.yml

sudo chown canvasuser config/cache_store.yml

sudo chmod 400 config/cache_store.yml

配置内容如下

test:

cache_store: redis_store

development:

cache_store: redis_store

production:

cache_store: redis_store

30.配置redis文件，命令如下

cd /var/canvas/

cp config/redis.yml.example config/redis.yml

nano config/redis.yml

sudo chown canvasuser config/redis.yml

sudo chmod 400 config/redis.yml

配置内容如下：

production:

servers:

- redis://localhost

31.安装QTIMigrationTool，参照：

https://github.com/instructure/QTIMigrationTool/wiki

32.设置canvas服务自动启动并重启Apache，命令如下

sudo ln -s /var/canvas/script/canvas_init /etc/init.d/canvas_init

sudo update-rc.d canvas_init defaults

sudo /etc/init.d/canvas_init start

sudo /etc/init.d/apache2 restart

到这里就可以访问设置的域名或者直接访问IP，如果看到登陆界面，恭喜您完成了Canvas安装了！

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