Gentoo + rails + passenger + nginx

I installed ruby by compiling it myself (portage handled ruby doesn't quite do
it for me...). Then I installed the passenger gem 2.2.4. After installing
passenger gem went to the root passenger dir and ran "rake nginx" to get the
helperserver needed. Then I copied the nginx-0.7.61.ebuild and modified it to
include the use flag passenger. Then using the hint from the ebuild attached to
this bug got the full path for the nginx passenger module and put that into my
ebuild.

Then added the passenger use flag to /etc/portage/package.use for nginx and
emerged nginx 0.7.61 with passenger.

Added the config info to /etc/nginx.conf and I'm away everything works very
nicely :)

via http://bugs.gentoo.org/266446

Любителям длинных имён переменных

%username%, помни:
url -- полный путь к странице: http://localhost/blog/2009/07/28/kak-ya-upal-v-rechku
path -- только путь: blog/2009/07/28/kak-ya-upal-v-rechku

И не надо никаких названий переменных, типа: full_path, relative_path, etc.

Converting Drupal tables to RoR from any to any database.

OK, OK, it's fairly not only for Drupal source databases :-)

STEP 1 - init databases connections
Create two new connections in database.yml file like this:

# DATABASE CONVERTING SPECIFIC
# old connection
old:
  adapter: mysql
  database: dbname
  username: username
  password: userpass
  host: localhost

# new connection (may be like your development or production connection)
new:
  adapter: postgresql
  database: dbname
  username: username
  password: userpass
  schema_order: development # for example
  host: localhost

STEP 2 - write rake task
create convert.rake file in your lib/tasks rails application directory

    1 namespace :db do
    2   namespace :convert do
    3     task :old2new => :environment do
    4       print "OK, let's do it now!\n"; STDOUT.flush
    5 
    6       # define universal model for old tables
    7       class OldModel < ActiveRecord::Base
    8       end
    9 
   10       # demonic convertor
   11       def convert(srctable, dstclass)
   12         print "- converting class " + dstclass.to_s + "...\n"; STDOUT.flush
   13 
   14         dstclass.establish_connection(:new)
   15         dstclass.delete_all
   16 
   17         OldModel.set_table_name(srctable)
   18         OldModel.find(:all).each { |old|
   19           new = dstclass.new
   20           new = yield(old, new)
   21           new.save(false)
   22         }
   23       end
   24 
   25       # connect to old dying database
   26       ActiveRecord::Base.establish_connection(:old)
   27 
   28       # CONVERTING
   29 
   30       # users
   31       convert('rctc_users', User) {|old, new|
   32         # prepare each field individually, yeah.
   33         new.id = old.uid
   34         new.login = old.name
   35         new.email = old.mail
   36         new.password = Digest::MD5.hexdigest(old.pass + SALT)
   37         new
   38       }
   39 
   40       # convert your tables below like above
   41       # ...
   42 
   43       print "Wow! Processing complete!\n"
   44     end
   45   end
   46 end

STEP 3 - RUN IT!

$ rake db:convert:old2new

Как починить man, less и другие проблемы tty в OpenVZ

сабж.

# rm /dev/tty
# mknod -m 666 /dev/tty c 5 0


пруфлинк: http://forum.openvz.org/index.php?t=msg&goto=34878&