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Apache2 on Ubuntu
Enabling User Directory
This is how to set up Apache2 on Ubuntu so that, when hxxp://server/~username is accessed, the browser returns the content in /home/username/public_html.
First, user directory is now a mod in Ubuntu's apache2. If you have not installed the mod, then execute the following command:
sudo a2enmod userdir
Second, edit /etc/apache2/apache2.conf and add the following lines:
<IfModule mod_userdir.c> UserDir public_html </IfModule> <Directory /home/*/public_html> AllowOverride FileInfo AuthConfig Limit Options Indexes SymLinksIfOwnerMatch IncludesNoExec </Directory>
Third, execute the following command:
cd /etc/apache2/mods-enabled sudo ln -s /etc/apache2/mods-available/userdir.conf userdir.conf sudo ln -s /etc/apache2/mods-available/userdir.load userdir.load
Forth, restart your apache2:
sudo /etc/init.d/apache2 restart
Rails Deployment with Mongrel on Ubuntu Guide
This guide plagiarizes Punneng's Rail::Deployment (Ubuntu - Apache - Subversion - Mongrel - Capistrano) article.
This guide assumes that you already have rails installed.
Create a New User
For each one application, you should create a new user for exclusive use by the application. Put the user in the www-data group.
useradd username usermod -g www-data username
Edit /etc/sudoers and add:
username ALL = (ALL) ALL
Install Mongrel and Mongrel Cluster
sudo gem install daemons mongrel mongrel_cluster
Install Your Rails Application Somewhere
Well, this step is totally up to you.
Design and Specification of the Lower-Level Grading System
Installing Grader Web Interface
Judge
- see main article Installing and configuring Judge
Resetting MySQL Root Password
This HOWTO is copied from here. First, stop your database.
/etc/init.d/mysql stop
Then, start up the database in the background.
/usr/bin/mysqld_safe --skip-grant-tables &
You can now log in to MySQL without a password.
mysql --user=root mysql
And you can set a new password with the following two commands:
mysql> update user set Password=PASSWORD('new-password-here') WHERE User='root'; mysql> flush privileges;
Once you're done with that, leave MySQL, and bring the server back up to the foreground.
fg
Kill the server with Ctrl-C. And restart the server again.
/etc/init.d/mysql start