Error while luactivate

/usr/sbin/luactivate: /etc/lu/DelayUpdate/: cannot create

Workaround:
execute folloing:

# export BOOT_MENU_FILE="menu.lst"

Changing hostname on Solaris

--> Change the name in /etc/nodename.
--> Change the name in /etc/hostname.xl0 (where xl0 is the name of your network interface)
--> Change the name in /etc/hosts.
--> Change the path in /etc/dumpadm.conf
--> Run the command: hostname new_hostname

Configuring LDAP client in Linux

# authconfig-tui

enable following option in the fist screen
[x] use LDAP

enabloe following options in the screen screen
[x] use MD5 passwords
[x] use shadow passwords
[x] use LDAP Authentication

server: LDAP://ldapserver.com/
BaseDN: dc=com,dc=somthing........

save the configuration and reboot the system or restart the service.

Changing hostname in Linux

Change the name in /etc/hosts file
and also edit following file and change the hostname

vi/etc/sysconfig/network
» Look for HOSTNAME=xxxxxx

Reboot the system or service xinetd restart

Network debugging in Linux

$ dmesg|grep eth0
$ less /etc/sysconfig/network
$ less /etc/sysconfig/network-scripts/ifcfg-eth0
$ ifconfig eth0 down/up
$ netstat -rn
$ service network restart
$ ping -c4 somewebsitetotest.com
$ traceroute somewebsitetotest.com