Install Linux via VNC

If your server doesn’t have a DRAC, iLO or other network KVM, you can access the RHEL installer over the network using VNC:

  • Boot from the RHEL DVD
  • At the prompt, type:
linux vnc
  • Skip the media check
  • Select language
  • Select automatic
  • Select network interface
  • Select DHCP or manual IP configuration
  • (Manual only) Enter IP address, subnet mask, gateway and DNS server
  • When prompted to connect, use a VNC viewer like TightVNC to access the server and continue in the graphical installer

Here’s a screencast showing the entire process from start to finish:
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How do I reboot or shut down my Linux server?

To reboot or shut down from the shell (command line):

  • log out all Eclipse Eterm or Solar users
  • Log in as root using the terminal client of your choice (Eterm, PuTTY, etc.)
  • Run the following command to reboot your system:
reboot
  • Run the following command to shut down your system:
halt

To reboot or shut down your server via the GUI (console or DRAC only):

View a step-by-step screencast of this process:

To schedule a reboot to happen at say 4AM, you could type:

at 0400
reboot

Press [CTRL-D] to submit the job

Extended Reboot/shutdown Procedure

If you encountered the “Not all UniVerse processes were successfully terminated” message during a shutdown or reboot, please follow this procedure as root to perform an extended, clean reboot/shutdown of UniVerse:

  • log out all Eclipse Eterm or Solar users
  • Stop SYSTEM.ADMIN, phantoms, JBoss:

RHEL 5 and RHEL 6:

service monit stop
service eclipse-jboss stop
service eclipse-system-admin stop

RHEL 7:

systemctl stop eclipse-jboss 
systemctl stop eclipse-system-admin
For secondary accounts (play, train, stage, etc.), substitute “eclipse” for the account name. For example, a “train” account services would be referred to as train-jboss and train-system-admin.
  • Stop UV processes:
cd /u2/uv
bin/uv
#ESC
MASTER OFF ALL
Q
  • Stop remaining phantoms, UV processes:
pkill -4 -f phantom
  • Stop UV:

RHEL 5 and RHEL 6:

service uv.rc stop

RHEL 7:

systemctl stop universe
  • If UV complains that there are open processes, find any “uv” or “phantom” processes and kill them:
ipcs -mp|grep 0xaceb
kill -15 cpid
uv -admin -stop -force
  • Run the following command to reboot your system:
reboot
  • Run the following command to shut down your system:
halt

Can I setup load balancing and failover on my Linux server’s network interfaces?

Yes, Red Hat Enterprise Linux supports a number of different load balancing and failover methods. For more details, see What network bonding modes are available in Red Hat Enterprise Linux 5?

For instructions on configuring bonding in the most common round-robin configuration: