Book Image

Ubuntu Server Cookbook

By : Uday Sawant
Book Image

Ubuntu Server Cookbook

By: Uday Sawant

Overview of this book

Ubuntu is one of the most secure operating systems and defines the highest level of security as compared other operating system. Ubuntu server is a popular Linux distribution and the first choice when deploying a Linux server. It can be used with a $35 Raspberry Pi to top-notch, thousand-dollar-per-month cloud hardware. Built with lists that there are 4 million + websites built using Ubuntu. With its easy-to-use package management tools and availability of well-known packages, we can quickly set up our own services such as web servers and database servers using Ubuntu. This book will help you develop the skills required to set up high performance and secure services with open source tools. Starting from user management and an in-depth look at networking, we then move on to cover the installation and management of web servers and database servers, as well as load balancing various services. You will quickly learn to set up your own cloud and minimize costs and efforts with application containers. Next, you will get to grips with setting up a secure real-time communication system. Finally, we’ll explore source code hosting and various collaboration tools. By the end of this book, you will be able to make the most of Ubuntu’s advanced functionalities.
Table of Contents (20 chapters)
Ubuntu Server Cookbook
Credits
About the Author
www.PacktPub.com
Preface
Index

Troubleshooting the Samba server


In this recipe, we will look at the various tools available for troubleshooting Samba shares.

How to do it…

Samba troubleshooting can be separated in to three parts: network connectivity, Samba process issues, and Samba configuration issues. We will go through each of them step by step. As a first step for troubleshooting, let's start with network testing.

Checking network connectivity

Follow these steps to check network connectivity:

  1. Send ping requests to the Samba server to check network connectivity:

    $ ping samba-server-ip
    
  2. Check name resolution. Ping the Samba server by its name. Windows uses netbios for name resolution:

    $ ping samba-server-name
    
  3. Check the Samba configuration for network restrictions. Temporarily open Samba to all hosts.

  4. Use tcpdump to check Samba network communication. Start tcpdump as follows and let it run for some time while accessing the Samba server from clients. All packets will be logged in a file named tcpdump in the current directory...