Settings for remote Telnet access to centos 5

Enable telnet in centos 5

1. Install the required software

Check the Telnet package first

Telnet is installed by default. telnet-server must be installed later.
[Root @ Hsia ~] # Yum install telnet-Server
[Root @ Hsia ~] # Rpm-Qa | grep Telnet
Telnet-0.17-39.el5
Telnet-server-0.17-39.el5

2. Start Telnet.
Check the Telnet run level.
[Root @ Hsia ~] # Chkconfig -- list | grep Telnet
Ekrb5-telnet: Off
Krb5-telnet: Off
TELNET: Off

[Root @ Hsia ~] # Chkconfig telnet on

[Root @ Hsia ~] # Service xinetd restart

3. Login Attempt

 

Enable the Windows Telnet service for Logon

Normal user OK, root enter the correct password and an error message is displayed.
Centos release 5.6 (final)
Kernel 2.6.18-238. EL5 on an i686
Login: Root
Password:
Login incorrect

4. Solve the blocking conditions for root login in step 3.
Solution:

Modify the/etc/PAM. d/Remote Configuration File

Note out
# Auth required pam_securetty.so

Log On again with root. Successful.