Change SSH Port

Open File /etc/ssh/sshd_config.
Change the follow line.
```
Port 22
```
Restart SSH.
```
sudo service ssh restart
```

Reference

https://help.ubuntu.com/community/SSH/OpenSSH/Configuring

How To Add and Delete Users on an Ubuntu Server

Reference

https://www.digitalocean.com/community/tutorials/how-to-add-and-delete-users-on-an-ubuntu-14-04-vps

Spring 4 Example Setup

http://crunchify.com/simplest-spring-mvc-hello-world-example-tutorial-spring-model-view-controller-tips/

Eliminate Type-3 Fonts from Latex Output

Install package cm-super.

Quick Way to Resolve Git Merge Conflicts

Accept our changes:

git checkout --ours PATH/FILE

Accept their changes:

git checkout --theirs PATH/FILE

Reference

https://rtcamp.com/tutorials/git/git-resolve-merge-conflicts/

Enable PHP Mod

Suppose you want to enable mcrypt.
```
php5enmod mcrypt
```
Restart PHP-FPM
```
service php5-fpm restart
```

PHP-FPM Logging Setup

Open File /etc/php5/fpm/pool.d/www.conf.

Set properties as follows.

catch_workers_output = yes
php_admin_value[error_log] = /var/log/fpm-php.www.log

Make sure PHP-FPM worker processes have write permission on this log file.

Installing Nginx with PHP on Ubuntu 14.04

Reference

http://www.howtoforge.com/installing-nginx-with-php5-fpm-and-mysql-on-ubuntu-14.04-lts-lemp

Find the Process Owner in Linux

ps aux