How to start Libreoffice Server and Telnet Server in Ubuntu?

In Odoo/OpenERP, when we are generating a Aeroo report, we must start these below two server.

1. Libreoffice Server and
2. Telnet Server

If Libreoffice is not install in Ubuntu than first install with these command.

    sudo apt-get update
    sudo apt-get upgrade
    sudo apt-get install libreoffice

Start Libreoffice with these command.

cd /usr/lib/libreoffice/program/ #to move to the libreoffice:

./soffice -nologo -nofirststartwizard -headless -norestore -invisible "-accept=socket,host=localhost,port=8100,tcpNoDelay=1;urp;" #Open Libreoffice server

If Telnet Server is not install in Ubuntu than visit Telnet installation guidance

Don't stop Libreoffice server and open another terminal for test localhost with Telnet Server
 
    telnet localhost 8100

And than Go to Settings/ Modules / Update module list : Search for 'ooo' , you will find 'report_aeroo_ooo'. Install that module.

And Finally, Configure OpenOffice.org connection from Setting/Technical/Configure OpenOffice.org co. and press connect.


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Install and Enable Telnet server in Ubuntu Linux

1.Install telnet use this command in terminal(Applications/Accessories/Terminal):

sudo apt-get install xinetd telnetd

2.Edit /etc/inetd.conf using your favorite file editor with root permission,add this line:

telnet stream tcp nowait telnetd /usr/sbin/tcpd /usr/sbin/in.telnetd

3.Edit /etc/xinetd.conf, make its content look like following:

# Simple configuration file for xinetd
#
# Some defaults, and include /etc/xinetd.d/
defaults
{
# Please note that you need a log_type line to be able to use log_on_success
# and log_on_failure. The default is the following :
# log_type = SYSLOG daemon info
instances = 60
log_type = SYSLOG authpriv
log_on_success = HOST PID
log_on_failure = HOST
cps = 25 30
}

4.You can change telnet port number by edit /etc/services with this line:

telnet        8100/tcp

5.If you’re not satisfied with default configuration.Edit etc/xinetd.d/telnet, add following:

# default: on
# description: The telnet server serves telnet sessions; it uses
# unencrypted username/password pairs for authentication.
service telnet
{
disable = no
flags = REUSE
socket_type = stream
wait = no
user = root
server = /usr/sbin/in.telnetd
log_on_failure += USERID
}

add these lines as you like:

only_from = 192.168.120.0/24 #Only users in 192.168.120.0 can access to
only_from = .bob.com #allow access from bob.com
no_access = 192.168.120.{101,105} #not allow access from the two IP.
access_times = 8:00-9:00 20:00-21:00 #allow access in the two times
......

6.Use this command to start telnet server:

sudo /etc/init.d/xinetd start
sudo /etc/init.d/xinetd stop
sudo /etc/init.d/xinetd restart

Reference Link