Mar 172012
 

After the last article of Dropbox I thought it was useful to show how you can use Dropbox also on a server without a GUI, this useful article by David Feinberg was published on http://ubuntuservergui.com/

This post will help you install the Linux Dropbox client on your headless Ubuntu Server and link it up to your Dropbox account. Unlike the process of mounting an S3 bucket we looked at before the Dropbox approach is a much better solution for sharing files. If you’re a daily Dropbox user you’ll quickly get hooked on the convenience of having your servers in the same file sharing loop as all your other Dropbox connected devices!


Installing Dropbox

Start off by downloading the Linux version of Dropbox onto your server. These steps have been tested on Ubuntu Server 10.10 and 11.04.

Download the 32Bit Version

wget -O dropbox.tar.gz "http://www.dropbox.com/download/?plat=lnx.x86"

Download the 64Bit Version

wget -O dropbox.tar.gz "http://www.dropbox.com/download/?plat=lnx.x86_64"

If you unsure which version you need you can quickly check by running uname -a.

sudo uname -a

If the uname output has an i686 at the end you need the 32Bit version and if it has x86_64you want the 64Bit version.

When you extract the Dropbox archive it will automatically place its files in the home directory of the the user you’re logged in as under: ~/.dropbox. You can always move these files later but its something to keep in mind.

Extract the Dropbox archive

tar -xzvf dropbox.tar.gz

Linking Your Server to Your Dropbox Account

Before you take the next step you’ll want to make sure your LANG environment variable is set to a value other than NULL.

Check the value of your LANG environment variable

printenv LANG     // outputs en_US.UTF-8 on my machine

To connect the Dropbox client on your server to your Dropbox account you’ll need to copy the link it outputs into a browser window and then login to your Dropbox account.

Run dropboxd on your server

~/.dropbox-dist/dropboxd

It will start outputting a link similar to this one every few seconds

This client is not linked to any account...
Please visit https://www.dropbox.com/cli_link?host_id=1c1497d78b543178b9349a7c1a8b087a&cl=en_US to link this machine.

The trick to a smooth link is to make sure you leave dropboxd running while you follow the link. You don’t need to access the link from the server you’re trying to install Dropbox on. You can copy and paste that link into a browser running on a separate machine and Dropbox will authorize the client running on your server.

Once it succeeds you’ll see the message Client successfully linked, Welcome! on your server and it will stop printing the authorization link.

Hit ctrl c to terminate the process

Client successfully linked, Welcome!

Once the Dropbox client on your server is successfully linked it will automatically create a Dropbox folder under ~/Dropbox for the user you’re logged in as. All your folders will be visible under the Dropbox folder but since the Dropbox service isn’t actually running on your server yet you you won’t be able to see the files inside these folders until the client is running and has a check to synchronize.

You can manually start the service by running

~/.dropbox-dist/dropbox

However, a better option for controlling the Dropbox client is to setup an Ubuntu service management script for it.

Start Dropbox Automatically On Boot

Dropbox provides a handy little service management script that makes it easy to start, stop and check the status of the Dropbox client.

Create a new file for the service management script

sudo vi /etc/init.d/dropbox

Paste the following script into the new file

#!/bin/sh
# dropbox service
# Replace with linux users you want to run Dropbox clients for
DROPBOX_USERS="user1 user2"
 
DAEMON=.dropbox-dist/dropbox
 
start() {
    echo "Starting dropbox..."
    for dbuser in $DROPBOX_USERS; do
        HOMEDIR=`getent passwd $dbuser | cut -d: -f6`
        if [ -x $HOMEDIR/$DAEMON ]; then
            HOME="$HOMEDIR" start-stop-daemon -b -o -c $dbuser -S -u $dbuser -x $HOMEDIR/$DAEMON
        fi
    done
}
 
stop() {
    echo "Stopping dropbox..."
    for dbuser in $DROPBOX_USERS; do
        HOMEDIR=`getent passwd $dbuser | cut -d: -f6`
        if [ -x $HOMEDIR/$DAEMON ]; then
            start-stop-daemon -o -c $dbuser -K -u $dbuser -x $HOMEDIR/$DAEMON
        fi
    done
}
 
status() {
    for dbuser in $DROPBOX_USERS; do
        dbpid=`pgrep -u $dbuser dropbox`
        if [ -z $dbpid ] ; then
            echo "dropboxd for USER $dbuser: not running."
        else
            echo "dropboxd for USER $dbuser: running (pid $dbpid)"
        fi
    done
}
 
case "$1" in
 
    start)
        start
        ;;
 
    stop)
        stop
        ;;
 
    restart|reload|force-reload)
        stop
        start
        ;;
 
    status)
        status
        ;;
 
    *)
        echo "Usage: /etc/init.d/dropbox {start|stop|reload|force-reload|restart|status}"
        exit 1
 
esac
 
exit 0

Make sure you replace the value of DROPBOX_USERS with a comma separated list of the linux users on your machine you want to run the Dropbox client to run for. Each user in the list should have a copy of the Dropbox files and folders that you extracted from the archive, available under their home directory.

Make sure the script is executable and add it to default system startup run levels

sudo chmod +x /etc/init.d/dropbox
sudo update-rc.d dropbox defaults

Control the Dropbox client like any other Ubuntu service

sudo service dropbox start|stop|reload|force-reload|restart|status

Depending upon the number of files you have on Dropbox and the speed of your internet connection it may take some time for the Dropbox client to synchronize everything.

Check Status with Dropbox CLI

Dropbox has a command line python script available separately to provide more functionality and details on the status of the Dropbox client.

Download the dropbox.py script and adjust the file permissions

wget -O ~/.dropbox/dropbox.py "http://www.dropbox.com/download?dl=packages/dropbox.py"
chmod 755 ~/.dropbox/dropbox.py

You can download the script anywhere you like, I’ve included it along with the rest of the Dropbox files.

Now you can easily check the status of the Dropbox client

~/.dropbox/dropbox.py status
Downloading 125 files (303.9 KB/sec, 1 hr left)

Get a full list of CLI commands

~/.dropbox/dropbox.py help

Note: use dropbox help <command> to view usage for a specific command.

 status       get current status of the dropboxd
 help         provide help
 puburl       get public url of a file in your dropbox
 stop         stop dropboxd
 running      return whether dropbox is running
 start        start dropboxd
 filestatus   get current sync status of one or more files
 ls           list directory contents with current sync status
 autostart    automatically start dropbox at login
 exclude      ignores/excludes a directory from syncing

Use the exclude command to keep specific files or folders from syncing to your server

~/.dropbox/dropbox.py help exclude

dropbox exclude [list]
dropbox exclude add [DIRECTORY] [DIRECTORY] ...
dropbox exclude remove [DIRECTORY] [DIRECTORY] ...

"list" prints a list of directories currently excluded from syncing.  
"add" adds one or more directories to the exclusion list, then resynchronizes Dropbox. 
"remove" removes one or more directories from the exclusion list, then resynchronizes Dropbox.
With no arguments, executes "list". 
Any specified path must be within Dropbox.

Once the Dropbox service is running and fully syncrhonized you can access all your Dropbox files and easily share files on your server with all your other Dropbox connected gadgets!

For more resources and troubleshooting tips visit the Text Based Linux Install page on the Dropbox wiki and the Dropbox forums. Happy syncing!

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  One Response to “Install Dropbox On Ubuntu Server (10 & 11)”

  1. Very Good, I will try

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