无法使用capistrano在端口80上启动独角兽

时间:2013-06-14 04:41:23

标签: ruby-on-rails capistrano unicorn

cap production unicorn:start因以下错误而失败,尝试在端口80上启动我的rails应用程序。

F, [2013-06-14T04:33:51.420113 #13986] FATAL -- : error adding listener addr=0.0.0.0:80
/home/ec2-user/apps/bdr_prod/shared/bundle/ruby/2.0.0/gems/unicorn-4.6.2/lib/unicorn/socket_helper.rb:147:in `initialize': Permission denied - bind(2) (Errno::EACCES)
from /home/ec2-user/apps/bdr_prod/shared/bundle/ruby/2.0.0/gems/unicorn-4.6.2/lib/unicorn/socket_helper.rb:147:in `new'
from /home/ec2-user/apps/bdr_prod/shared/bundle/ruby/2.0.0/gems/unicorn-4.6.2/lib/unicorn/socket_helper.rb:147:in `bind_listen'
from /home/ec2-user/apps/bdr_prod/shared/bundle/ruby/2.0.0/gems/unicorn-4.6.2/lib/unicorn/http_server.rb:229:in `listen'
from /home/ec2-user/apps/bdr_prod/shared/bundle/ruby/2.0.0/gems/unicorn-4.6.2/lib/unicorn/http_server.rb:773:in `block in bind_new_listeners!'
from /home/ec2-user/apps/bdr_prod/shared/bundle/ruby/2.0.0/gems/unicorn-4.6.2/lib/unicorn/http_server.rb:773:in `each'
from /home/ec2-user/apps/bdr_prod/shared/bundle/ruby/2.0.0/gems/unicorn-4.6.2/lib/unicorn/http_server.rb:773:in `bind_new_listeners!'
from /home/ec2-user/apps/bdr_prod/shared/bundle/ruby/2.0.0/gems/unicorn-4.6.2/lib/unicorn/http_server.rb:141:in `start'
from /home/ec2-user/apps/bdr_prod/shared/bundle/ruby/2.0.0/gems/unicorn-4.6.2/bin/unicorn:126:in `<top (required)>'
from /home/ec2-user/apps/bdr_prod/shared/bundle/ruby/2.0.0/bin/unicorn:23:in `load'
from /home/ec2-user/apps/bdr_prod/shared/bundle/ruby/2.0.0/bin/unicorn:23:in `<main>'

set use_sudo true返回以下错误

* executing "sudo -p 'sudo password: ' rm -rf /home/ec2-user/apps/bdr_prod/releases/20130517085418"
servers: ["64.433.69.129"]
[ec2-user@64.433.69.129] executing command
*** [err :: ec2-user@64.433.69.129] sudo
*** [err :: ec2-user@64.433.69.129] :
*** [err :: ec2-user@64.433.69.129] sorry, you must have a tty to run sudo
*** [err :: ec2-user@64.433.69.129] 
command finished in 1542ms

2 个答案:

答案 0 :(得分:3)

之前我遇到过这个问题,并且必须将其添加到我的deploy.rb

default_run_options[:pty] = true

答案 1 :(得分:1)

要在远程服务器中运行ssh sudo命令,请在远程服务器中禁用“require tty”

生成

~$ sudo visudo

编辑: / etc / sudoers

  

#禁用“ssh hostname sudo”,因为它会显示   密码清楚。

     

#你必须运行“ssh -t hostname sudo”。

     

#comment tty

     

#Defaults requiretty

参考: http://www.lansweeper.com/kb/39/TTY-Required-error-during-linux-scanning.html