Telnet Configure in Linux

Posted by Murali | 5:35 AM

Telnet Configure in Linux

rpm -qa grep xinetd
rpm -qa grep telnet-server
rpm -qa grep telnet

# chkconfig telnet on
# service xinetd reload
Reloading configuration: [ OK ]

Simply edit the file /etc/securetty and add the following to the end of the file:

pts/0
pts/1
pts/2
pts/3
pts/4
pts/5
pts/6
pts/7
pts/8
pts/9

VNC Configure in Linux

Posted by Murali | 5:33 AM

rpm -qa |grep vnc

[root@sys46 ~]# rpm -qa |grep vnc
vnc-server-4.0-11.el4
vnc-4.0-11.el4



chkconfig --level 345 vncserver on

[root@sys46 ~]# chkconfig --level 345 vncserver on

==================================================
edit /etc/sysconfig/vncservers

uncomment
------
VNCSERVERS="1:root 2:oracle"
VNCSERVERARGS[1]="-geometry 800x600"

------

[root@sys46 .vnc]# cat /etc/sysconfig/vncservers
# The VNCSERVERS variable is a list of display:user pairs.
#
# Uncomment the line below to start a VNC server on display :1
# as my 'myusername' (adjust this to your own). You will also
# need to set a VNC password; run 'man vncpasswd' to see how
# to do that.
#
# DO NOT RUN THIS SERVICE if your local area network is
# untrusted! For a secure way of using VNC, see
# .

VNCSERVERS="1:root"
VNCSERVERARGS[1]="-geometry 800x600"

======================================================

[root@sys46 .vnc]# vncserver :1

You will require a password to access your desktops.

Password:
Verify:

New 'sys46.doyen.in:1 (root)' desktop is sys46.doyen.in:1

Creating default startup script /root/.vnc/xstartup
Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/sys46.doyen.in:1.log

=======================================================
edit $HOME/.vnc/xstartup

Uncomment
unset SESSION_MANAGER
exec /etc/X11/xinit/xinitrc


Add following lines
xhost +
gnome-session &
------------------------------

[root@sys46 .vnc]# cat xstartup
#!/bin/sh

# Uncomment the following two lines for normal desktop:
unset SESSION_MANAGER
exec /etc/X11/xinit/xinitrc

[ -x /etc/vnc/xstartup ] && exec /etc/vnc/xstartup
[ -r $HOME/.Xresources ] && xrdb $HOME/.Xresources
xsetroot -solid grey
vncconfig -iconic &
xterm -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
xhost +
gnome-session &
twm &

=========================================================
[root@sys46 .vnc]# vncserver -kill :1
Killing Xvnc process ID 21329


[root@sys46 .vnc]# vncserver :1

New 'sys46.doyen.in:1 (root)' desktop is sys46.doyen.in:1

Starting applications specified in /root/.vnc/xstartup
Log file is /root/.vnc/sys46.doyen.in:1.log

==========================================================

download http://www.realvnc.com/download.html

FTP configure in Linux

Posted by Murali | 5:31 AM

FTP configure in Linux
rpm -qa grep vsftprpm -qa grep xinetd
chkconfig --level 345 vsftpd on
# /etc/init.d/vsftpd startStarting vsftpd for vsftpd: [ OK ]
# ln -s /etc/init.d/vsftpd /etc/rc3.d/S56vsftpd# ln -s /etc/init.d/vsftpd /etc/rc4.d/S56vsftpd# ln -s /etc/init.d/vsftpd /etc/rc5.d/S56vsftpd
Edit the files /etc/vsftpd.ftpusers and /etc/vsftpd.user_list and remove the 'root' line from each file.

Installing Step Oracle Red hat Linux 4.x
1. Boot the server using the first CD.
You may need to change your BIOS settings to allow booting from the CD.
2. The boot screen appears with the boot: prompt at the bottom of the screen.
Select Enter to continue with a graphical install on the console
The installer scans your hardware, briefly displays the Red Hat splash screen, and then begins a series of screen prompts.
3. Language Selection
Accept the default.
4. Keyboard Configuration
Accept the default.
5. Welcome Screen
Click on Next.
6. Disk Partitioning Setup
Manual Partitions(160 GB HDD,RAM 2GB)
- swap 4GB
- /boot 1GB
- / (Balance)
7. Boot Loader Configuration
Accept the default.
8. Network Configuration
Check the Configure using DHCP box,
9. Firewall Configuration
For the purposes of this walk-through, no firewall is configured. Select No firewall
Select Disabled on the "Enable SELinux" drop down list.
Click on Proceed when the "Warning - No Firewall" window appears.
10. Additional Language Support
Accept the default.
11. Time Zone Selection
Asia Calcutta.
12. Set Root Password
Enter a password for root, redhat.
13. Package Installation Defaults
Select Customize software packages to be installed.
14. Package Group Selection
Select only the package sets shown here and leave all others unselected.
Desktop
X Window System
Gnome
Applications
Graphical Internet (optional)
Servers
Do not select anything in this group.
Development
Development Tools
System
Administration Tools
System Tools
Add the package 'sysstat' by clicking on the Details link and selecting "sysstat - The sar an iostat system monitoring commands."
Miscellaneous
Do not select anything in this group.
Click on Next to proceed.
15. Installing Packages
Software will be copied to the hard disk and installed. Change disks as prompted.
16. Congratulations
Remove the installation media from the system, and click on Reboot .
17. The system automatically reboots and presents a new welcome screen.
Click on Next.
18. License Agreement
select Yes, I agree to the License Agreement and click on Next.
19. Date and Time
Set the Date and Time.
20. Display
Accept the defaults or change as required.
21. Red Hat Login
Enter your Red Hat Network login and password or create a new one.
22. System User
Create an account for yourself (User Name : sysadmin Password : sys@admin).
23. Additional CDs
Click on Next.
24. Finish Setup
Click on Next.
25. A graphical login screen appears.
26. Congratulations! Your RHEL4 software is now installed.

Refer to the Red Hat Installation Guide.)