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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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ftp(4)								   File Formats 							    ftp(4)

NAME
ftp - FTP client configuration file SYNOPSIS
/etc/default/ftp DESCRIPTION
Use the ftp file to configure the behavior of the FTP client. Lines that begin with a hash symbol ("# ") are treated as comment lines and are ignored. Behavior Directives The ftp file supports the following behavior directives: FTP_LS_SENDS_NLST=yes | no The ls command of the ftp client sends an NLST to the FTP Server by default. Several non-Solaris clients send LIST instead. In order to make the Solaris ftp client send LIST when the ls command is issued, set FTP_LS_SENDS_NLST to no. The value of FTP_LS_SENDS_NLST is yes by default. If the user sets a value for FTP_LS_SENDS_NLST in the user's environment, this value will override any FTP_LS_SENDS_NLST directive that is specified in /etc/default/ftp. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWbipr | +-----------------------------+-----------------------------+ SEE ALSO
ftp(1), attributes(5) SunOS 5.10 22 Oct 2002 ftp(4)
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