By Sander van Vugt

This booklet offers a whole advent to Ubuntu Server. I’ve written this booklet for those that are new to Ubuntu Server management. the objective readers are home windows directors in addition to people who find themselves used to handling different flavors of Linux (or UNIX). It used to be the aim of this booklet to offer a no-nonsense creation to operating with Ubuntu Server, and so this ebook may still supply the entire fundamentals which are had to get you going. it is also many helpful information that assist you in doing all of your paintings in a extra effective manner.

Many books approximately Ubuntu are shortly on hand, yet you can’t do Ubuntu Server justice by way of overlaying either the computing device and the server model in a single e-book. the wishes of a server admin- istrator are awfully diverse from the wishes of a computer administrator. So I’ve selected an procedure that is sensible for the server administrator, and all subject matters are chosen and arranged to make experience in your daily paintings as a server administrator.

The ebook starts off by means of describing Ubuntu Server with a different concentrate on garage configura- tion, that is a particularly vital quandary whilst facing server environments. After that, you’ll discover a fast advent to forcing Ubuntu Server from the command line, should you haven’t performed this earlier than. The 3rd bankruptcy tackles a number of the universal primary initiatives of a server administrator, together with coping with software program programs and configuring a graphical person interface. subsequent are chapters approximately dossier process administration, Ubuntu Server safety, dealing with techniques, and the boot strategy. The final bankruptcy facing stand-alone server functionality- ality explains Bash shell scripting: in fewer than 30 pages, you’ll research every little thing you ever had to find out about this advanced topic.

The moment a part of the ebook teaches you all approximately community prone. First, you’ll configure and troubleshoot a community interface. subsequent, you’ll learn the right way to manage infra- constitution companies resembling time companies, identify prone, and DHCP. Following that, you’ll locate chapters approximately handling dossier providers, the Apache internet server (including functionality tuning tricks and a bit on digital hosts), and similar programs reminiscent of MySQL. ultimately, the final bankruptcy presents an summary of the methods to working virtualization on Ubuntu Server.

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Vi has a tendency to get smart with remarks like “a file with this name already exists,” so you are probably going to like the exclamation mark. After all, this is Linux, and you want your Linux system to do as you tell it, not to second-guess you all the time. As you have just learned, you can use :wq! to write and quit Vi. You can also use the parts of this command separately. For example, use :w if you just want to write the changes while working on a file without quitting it, or use :q! to quit the file without writing changes.

Listing 2-9. Filtering Command Output by Piping to grep sander@RNA:~$ sudo netstat -tulpen | grep 22 tcp6 0 0 :::22 :::* LISTEN 0 15332 4321/sshd Redirection Whereas piping sends the result of a command to another command, redirection sends the result of a command to a file or the contents of a file to a command. As I mentioned, this file can be a text file, but it can also be a special file like a device file. An easy example 37 38 CHAPTER 2 ■ GETTING THE MOST OUT OF THE COMMAND LINE of redirection is shown in the command ls -l > list_of_files.

Next, the installer asks you to create a user account. This is the user account that you will normally be working with, instead of using the root user account by default. Enter the name of the user account and then enter (twice) the password for this user. The installation of the base system now begins. In this phase, some basic packages that are needed at all times are copied to your server. Hang on because this can take a couple of minutes. CHAPTER 1 ■ INSTALLING UBUNTU SERVER 4. After the core system is installed, the installer asks if you want to use an HTTP proxy.

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