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How to Set Up the Fishbowl Inventory on Ubuntu

In this article, we will discuss how to set up the fishbowl inventory system on an Ubuntu machine. The process involves installing and configuring various packages, setting up the Observium system, and creating a MySQL database.

To begin, make sure you have an Ubuntu 14.04 machine with a stable internet connection. You can check if your UDP port 161 is open by running a command in your terminal: `sudo netstat -tlnp | grep 161`. If it's not open, you'll need to configure your firewall settings accordingly.

Once that's done, we can start installing the necessary packages. Open a terminal and run the following commands:

`sudo apt-get install -y libapache2-mod-php5 php5-cli php5-mysql php5-gd php5-snmp php-pear snmp graphviz php5-mcrypt php5-json subversion mysql-server mysql-client rrdtool fping imagemagick whois mtr-tiny nmap ipmitool python-mysqldb`

These packages include PHP, Apache, and MySQL, as well as other tools required for Observium.

After installing the necessary packages, update and upgrade your system:

`sudo apt-get update && sudo apt-get -y upgrade`

If you want to monitor libvirt Virtual Machines, you can install the `libvirt-bin` package using the following command:

`sudo apt-get install libvirt-bin`

Next, we'll set up the SNMP trap receiver on Ubuntu 14.04.

Setting Up the SNMP Trap Receiver

To set up the SNMP trap receiver, create a folder for Observium to live in and download the community version of Observium:

`mkdir -p /opt/observium && cd /opt`

`wget https://github.com/observium/observium/archive/community-4.3.6.tar.gz`

Unpack the package:

`tar xvf community-4.3.6.tar.gz`

Copy the default configuration file and modify it to your system:

`cp config.php.default config.php`

Update the Observium database by running the following command:

`$mysql -u root -p

Grant all privileges on the observium database and create a new user:

`GRANT ALL PRIVILEGES ON observium.* TO IDENTIFIED BY 'password';`

Update the Observium config.php file and change the username and password fields:

`vi /opt/observium/config.php`

Setting Up MySQL Database

Setup the MySQL database by running the following command:

`php includes/update/update.php`

This will create the necessary tables in your MySQL database.

Setting Up RRDs

Create a directory to store RRDs:

`mkdir rrd`

If you only have one server, change the `/etc/apache2/sites-available/default` file to:

Alternatively, you can create a vhost just for Observium:

`a2enmod rewrite`

Add the first user (Level 10 for Admin) and add the first device (even if you haven't configured it yet):

`cd /opt/observium && php includes/useradd.php --username=your_username --password=your_password`

Create cron jobs by creating a new file `/etc/cron.d/observium` with the following contents:

`*/5 * * * * root /opt/observium/discovery.php -h new > /dev/null 2>&1`

`33 */6 * * * root /opt/observium/discovery.php -h all > /dev/null 2>&1`

Manual Setup

If you're setting up Observium manually, follow these steps:

1. Create a folder for Observium to live in: `mkdir -p /opt/observium`

2. Download the community version of Observium: `wget https://github.com/observium/observium/archive/community-4.3.6.tar.gz`

3. Unpack the package: `tar xvf community-4.3.6.tar.gz`

4. Copy the default configuration file and modify it to your system: `cp config.php.default config.php`

5. Update the Observium database by running the following command: `$mysql -u root -p

Remember that these steps may vary depending on your specific setup and requirements. It's also important to note that this article assumes you have a basic understanding of Linux and PHP. If you're new to these technologies, it's recommended that you seek guidance from an experienced administrator or online resources.