Easy and fast, using chkconfig linux command.

To configure your system to start Apache at boot time:

chkconfig –levels 235 httpd on

for manual start apache:

/etc/init.d/httpd start

create the system startup links for Proftpd and start it:

chkconfig –levels 235 proftpd on
/etc/init.d/proftpd start

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Chkconfig provides a simple command-line tool for maintaining the /etc/rc[0-6].d folder hierarchy by relieving system administrators of the task of directly manipulating the numerous symbolic links in those folder.

SYNOPSIS
chkconfig –list [name]
chkconfig –add name
chkconfig –del name
chkconfig [--level levels] name
chkconfig [--level levels] name