HostOnNet Blog


How to Monitor a Host with Nagios

In our previous post we have successfully installed and configured Nagios core in our Ubuntu server. Now, let us add some clients to monitor by Nagios server. To do that we have to install nrpe and nagios-plugins in our monitoring


Installing Nagios Core on Ubuntu/Debian

Nagios is a very popular open source monitoring system. In this tutorial, we will cover the installation of Nagios 4 and some basic configuration to to monitor host resources via the web interface. To follow this tutorial, you must have


Installing Sensu with Uchiwa Dashboard on Ubuntu

Open a terminal window with a user that has root privileges. Update the list of available apt-get packages. Add the following keys and sources RabbitMQ Elasticsearch Sensuapp Install Erlang, RabbitMQ and Redis-server. Install Sensu and Uchiwa. Sensu uses SSL for



Installing postfix mail server on ubuntu To see postfix configuration, run To see value of specific item, for example myhostname, run

Windows could not start the Apache2 on Local Computer

Some of the local sites on my pc is not working. When i tried to access, its showing like Unable to connect Firefox can’t establish a connection to the server at The site could be temporarily unavailable or too


Upload files to Amazon S3 from Linux Command Line

Amazon provide awscli command line tool to upload files from Linux command line to Amazon S3. This is a python package, so you need pip installed for installing awscli, if you dont have pip installed, install it with Now install


Install Pure-FTPd in Ubuntu

To install Pure-FTPd in Ubuntu, run To enable system users login to FTP, run Now restart pure-ftpd To create a user, run For Example Once user is created, you need to set password with command passwd.


Install vsftpd in Ubuntu 14.04

To install vsftpd on ubuntu, run Now you need to edit vsftpd config file File and un comment following 2 entry. You need to add After chroot_local_user.

Wired to FTP


Install Pure-FTPd in Ubuntu Install vsftpd in Ubuntu 14.04 FTP Limiting 2000 file listing on Cpanel server


Install Webmin on Ubuntu 14.04

Webmin is a free open source control panel (mainly for system admin tasks, not a hosting control panel). To install webmin on Ubuntu 14.04, run Now you will be able to access webmin on port 10000 via https.