Netstat is a command line utility that can be used to monitor network connections. In this tutorial we will discuss how to use Netstat to find information about network connections and open ports on a Linux system.
Hitesh Jethva
Over 5 years of experience as IT system administrator for IT company in India. My skills include a deep knowledge of Rehat/Centos, Ubuntu nginx and Apache, Mysql, Subversion, Linux, Ubuntu, web hosting, web server, squied proxy, NFS, FTP, DNS, Samba, ldap, Openvpn, Haproxy, Amazon web services, WHMCS, Openstack Cloud, Postfix Mail Server, Security etc.
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How to Monitor Network Bandwidth Using the Command Line on Linux
Analyzing and monitoring the network traffic of an entire network infrastructure is a very important task. In this article we discuss some Linux command line tools that can be used to monitor network bandwidth.
How to Check Hardware Information on Linux Using Command Line
Want more information about your hardware? This tutorial takes a quick look at some of the most commonly used commands to check hardware information and configuration details on Linux.
How to Use Glances to Monitor System on Ubuntu
Glances is a cross-platform command-line text-based tool to monitor your system. Here’s how to install and configure it on Ubuntu.
How to Get Graphics Card Information on Linux
Want more info about your graphics card? In this article we explain how to get graphics card information using the Linux command line.
Monitor Linux System Performance Using Nmon
You can easily monitor Linux system performance like CPU, memory, network, disks, file systems, NFS, and processes, using Nmon. Here’s how.
Linux IP Command Tips and Tricks
The Linux IP command is very similar to ifconfig, but it is more powerful. In this article we’ll review how to assign Static IP Address, Static Route, Default Gateway and Assigning IP Address on demand using IP command.
How to Install and Configure Ntop to Monitor Network in Ubuntu
Ntop is an open-source and very useful network-monitoring tool that displays a list of hosts that are currently using the network and reports information. Here’s how to install and configure it.
How to Protect Against DDoS with Mod_evasive on Apache Server
Mod_evasive is an Apache module that provides evasive action in the event of an HTTP DoS, DDoS, or brute force attack. Here’s how to use it to keep Apache secure.
Monitor Apache Web Server Using Mod_status
Mod_status is an Apache module that displays a web page containing statistics including worker processes. Here’s how to monitor Apache web server with it.
How to Set Up Webdav with Apache on Ubuntu
WebDAV lets you upload & download files on the Apache server. In this article we explain how to install & configure WebDav with Apache2 Web Server on Ubuntu 14.04.
How to Set Up AWStats On Ubuntu Server
AWStats is an open-source web analytics reporting tool that generates advanced web, streaming, FTP or mail server statistics, graphically. Here’s how to set up AWstats in Ubuntu.
Setting Up Fail2ban to Protect Apache from a DDOS Attack
In this article we explain how to install fail2ban and configure it to monitor logs and protect Apache from malicious authentication failure attempts.
Setting up Apache Server with SSL Support on Ubuntu
In this article we explain how to create a self-signed SSL certificate for Apache which will allow you to encrypt traffic to your Apache server.
How to Set Up the Password Protect Web Directory in Apache
This article shows how you can password protect a folder in Apache using .htaccess in Ubuntu 14.04 if you want to limit access to one of your apps.
Setting Up IP and Port-Based Virtualhost in Apache
In this article, we show the step-by-step procedure to create and enable an IP based and Port based virtualhost on Apache web server.
Setting Up Name-Based Virtualhost Apache
Virtual hosting is a method for hosting multiple domain names on a single Apache server. With name-based virtual hosting, you can host multiple websites. Here’s how.
Optimizing Apache Performance – Part 2
This article shows how to maximize your Apache web server performance through proper optimization and the reduction of RAM usage.