Problems When You Try To Log In; Your Printer Does Not Work; Apache-Based Httpd Service/Sendmail Hangs During Startup - Red Hat ENTERPRISE LINUX 4 - INSTALLATION GUIDE FOR IBM S-390 AND IBM ESERVER ZSERIES Installation Manual

Appendix D. Troubleshooting Your Installation of Red Hat Enterprise Linux
X :1 -query s390vm.example.com
The command connects to the remote X server via XDMCP (replace
the hostname of the remote X server) and displays the remote graphical login screen on display
of the client system (usually accessible by using the Ctrl-Alt-F8 key combination).
:1
You may also access remote desktop sessions using a nested X server, which opens the
remote desktop as a window in your current X session.
desktop nested within their local X session. For example, run
command, replacing
s390vm.example.com
Xnest :1 -query s390vm.example.com

3.2. Problems When You Try to Log In

If you did not create a user account in the Setup Agent, log in as root and use the password
you assigned to root.
If you cannot remember your root password, boot your system as
Once you have booted into single user mode and have access to the
, which allows you to enter a new password for root. At this point you can type
passwd root
to reboot the system with the new root password.
shutdown -r now
If you cannot remember your user account password, you must become root. To become root,
type and enter your root password when prompted. Then, type
su -
allows you to enter a new password for the specified user account.
If the graphical login screen does not appear, check your hardware for compatibility issues. The
Hardware Compatibility List can be found at:
http://hardware.redhat.com/

3.3. Your Printer Does Not Work

If you are not sure how to set up your printer or are having trouble getting it to work properly, try
using the Printer Configuration Tool.
Type the
system-config-printer
Configuration Tool. If you are not root, it prompts you for the root password to continue.
3.4. Apache-based
If you are having trouble with the Apache-based
58
with the hostname of the remote X server:
command at a shell prompt to launch the Printer
service/Sendmail Hangs During Startup
httpd
httpd
s390vm.example.com
allows users to open a remote
Xnest
using the following
Xnest
linux single
prompt, you must type
#
passwd <username>
service or Sendmail hanging at startup,
with
.
. This