i want to add /usr/sbin path to my account. it is only for root? how i add to my account manchu so i can see command from /usr/sbin without type /usr/sbin/commandname.

export PATH=$PATH:/usr/sbin

Set service to auto start on Red Hat EL

To set a service to automatically start at boot time on Red Hat Enterprise Linux (or CentOS) use the following command:

/sbin/chkconfig -level on

is the runlevel, use 3 as it’s the ‘Full multi-user text mode’ runlevel on Red Hat EL/CentOS.
is the name of service, i.e. the script in /etc/init.d/

I have installed CentOS on one of our servers. I have also setup and configured OpenLDAP on that server and have proceeded to configure the server to authenticate via LDAP. I am only putting my user accounts in LDAP leaving all the system accounts in /etc/passwd and /etc/shadow. I also created an account that I can use to login to the server if ( Read more... )