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Operating Systems Linux Red Hat RHEL 6 plain telnet & ftp servers Post 302740759 by admin_xor on Thursday 6th of December 2012 05:58:14 PM
Old 12-06-2012
Quote:
I've personally never understood the use, some distros have it, some don't
True, xinetd is not that much used now a days. But it sure does a good job of make the system resources available for other use. For an example, a PXE server serving TFTP requests. Now, do you really install OSes 24x7? So there's really no use of TFTP server daemon running all the time consuming memory and doing close to nothing. But, if it's controlled by xinetd, the service only started when you get a request. A server which serves occasional ftp requests, can actually use xinetd.

Well, RHEL 6 has vsftpd as the FTP server and telnet-server package for the telnet server. To install these pacakges, you would have to make use of the installation DVD as yum repository. Let me help you with that:

1. Create a file /etc/yum.repos.d/local.repo with the following contents:
Code:
[LocalRepo]
name=DVD Repo
baseurl=file:///mnt/dvd
enabled=1
gpgcheck=0

2. Create a dir /mnt/dvd and mount the DVD there
Code:
mount -t iso9660 -o ro /dev/sr0 /mnt/dvd

3. Use yum command to install the packages
Code:
yum install vsftpd telnet-server xinetd -y

/etc/inittab is almost empty because Sys V init has been abandoned to embrace upstart which can start multiple services simultaneously reducing the overall boot time. /etc/inittab is there just to define the default runlevel.

Hope this gets you started! Smilie
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yum(8)																	    yum(8)

NAME
yum - Yellowdog Updater Modified shell SYNOPSIS
yum shell [filename] DESCRIPTION
yum includes an interactive shell for conducting multiple commands or sets of commands during a single execution of yum. These commands can be issued manually or passed to yum from a file. The commands are much the same as the normal yum command line options. See here yum(8) for that information. There are a few additional commands documented below. config [argument] [value] args: debuglevel, errorlevel, obsoletes, gpgcheck, assumeyes, exclude If no value is given it prints the current value. If value is given it sets that value. repo [argument] [option] list: lists repositories and their status enable: enable repositories. option = repository id disable: disable repositories. option = repository id transaction [argument] list: lists the contents of the transaction reset: reset (zero-out) the transaction solve: run the dependency solver on the transaction run: run the transaction Examples The following are examples of using the yum shell. list available packagename* groupinfo 'Some Group' install foo remove bar update baz run That will list available packages matching the glob 'packagename*'. It will return information on the group 'Some Group' It will then queue the following commands into the transaction: install foo, remove bar, update baz. Then the 'run' command will resolve dependencies for the transaction commands and run the transaction. SEE ALSO
yum (8) http://yum.baseurl.org/ AUTHORS
See the Authors file included with this program. BUGS
There of course aren't any bugs, but if you find any, they should be sent to the mailing list: yum@lists.baseurl.org or filed in bugzilla. Seth Vidal yum(8)
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