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// Instead of
// app.use(express.bodyParser())
// use:
app.use(express.json())
   .use(express.urlencoded());

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# See http://www.thegeekstuff.com/2012/03/chroot-sftp-setup/

$ groupadd apl_devs
$ useradd -g apl_devs -d /var/www/sass -s /sbin/nologin apl_dev_sass

$ passwd apl_dev_sass
Changing password for user apl_dev_sass.
New password: 
Retype new password: 
passwd: all authentication tokens updated successfully.

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$ rpm -Uvh http://nginx.org/packages/centos/6/x86_64/RPMS/nginx-1.4.7-1.el6.ngx.x86_64.rpm
$ chkconfig --add nginx
$ chkconfig --levels 235 nginx on

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wget http://url --user=<user> --password=<password>

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// Split file
$ split -b<size>m <bigFileName> <smallerFileName>

// Join files
$ cat <smallerFileName>* > <bigFileName>

For example:
$ split -b20m big.zip smaller.zip
$ cat smaller.zip* > big.zip

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// OS X Mountain Lion or Lion
$ sudo killall -HUP mDNSResponder

// Mac OS X v10.6
$ sudo dscacheutil -flushcache

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// http://dev.mysql.com/doc/mysql-repo-excerpt/5.6/en/linux-installation-yum-repo.html

$ wget http://dev.mysql.com/get/mysql-community-release-el6-4.noarch.rpm
$ sudo yum localinstall mysql-community-release-el6-4.noarch.rpm

// Check MySQL Yum repos has been added
$ sudo yum repolist enabled | grep "mysql-community"
Failed to set locale, defaulting to C
mysql-community         MySQL Community Server          19

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// Add mongo repos
$ nano /etc/yum.repos.d/10gen.repo
[10gen]
name=10gen Repository
baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64
gpgcheck=0
enabled=1

// Install Mongo
$ yum install mongo-10gen mongo-10gen-server

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// http://docs.mongodb.org/manual/tutorial/back-up-and-restore-with-mongodb-tools/

// Backup
$ mongodump -u {username} -p {password} --db {db} --out {output}

// Restore
$ env LC_ALL=en_US.UTF-8 mongorestore --port {port number} --dbpath {db path} {path to the backup}

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zip -r file.zip /path/to/src/dir