By Sander van Vugt
System directors are quickly adopting Ubuntu because of their skill to configure, install, and deal with community providers extra successfully than ever. This publication courses you thru all the key configuration and management initiatives you’ll want to know to quick set up and deal with the Ubuntu Server distribution. no matter if you’re drawn to adopting Ubuntu inside a Fortune 500 setting or simply are looking to use Ubuntu to regulate your place community, this publication is your go-to advisor to utilizing the distribution securely for a wide selection of community providers. themes comprise dossier, print, net, and FTP administration, command-line information and methods, computerized set up, configuration and deployment procedures, and kernel management.
What you’ll learn
- Effectively and securely set up, replace, and set up your Ubuntu server.
- Configure your server to function so much successfully for a large choice of reasons, together with as an online server, FTP server, and a dossier and printer supervisor.
- Rev up your command-line wisdom through profiting from little-known shell-related gains, assistance, and tips.
Read Online or Download Beginning Ubuntu Server Administration: From Novice to Professional PDF
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Extra info for Beginning Ubuntu Server Administration: From Novice to Professional
An especially useful one is the -d option, and the following example shows why. When working with the ls command, wildcards can be used. * will show a list of all files in the directory /etc that have an “a” followed by a dot somewhere in the file name, and ls [abc]* will show a list of all files whose names start with either an “a,” “b,” or “c” in the current directory. But something strange happens without the option -d. If a directory matches the wildcard pattern, the entire contents of that directory are displayed as well.
It is possible to redirect STDERR as well, and you’d do this with the 2> construction, which indicates that you are interested in redirecting only error output. txt would perform the grep command to find the text root in all files in the current directory. txt that will be created for this purpose, whereas STDOUT will be written to the console where the user has issued this command. ■Note The STDIN, STDOUT, and STDERR can be referred to by numbers as well; STDIN = 0, STDOUT = 1, and STDERR = 2.
Listing 2-4. The cat Command Is Used to Display the Contents of a Text File. lan RNA # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters ff02::3 ip6-allhosts Another very useful command is tail. If no options are used, this command will show the last ten lines of a text file. The command can also be modified to show any number of lines on the bottom of a file; for example, tail -2 /etc/passwd will display the last two lines of the configuration file in which user names are stored.