Learn some chkconfig command today. This command is used to maintain the /etc/rc[0-6].d directory hierarchy.
First of all, lets understand and differentiate some of the /etc/rc[0-6].d .
rc1.d >>> Single user mode
rc2.d >>> Custom user mode
rc3.d >>>Multiple user mode with networking availability
rc4.d >>> Custom user mode
rc5.d >>> Multiple user mode with networking availability that has GUI mode (xlogin)
# chkconfig –list
haldaemon 0:off 1:off 2:off 3:on 4:on 5:on 6:off
httpd 0:off 1:off 2:off 3:on 4:off 5:off 6:off
ip6tables 0:off 1:off 2:on 3:on 4:on 5:on 6:off
iptables 0:off 1:off 2:on 3:on 4:on 5:on 6:off
kudzu 0:off 1:off 2:off 3:on 4:on 5:on 6:off
lvm2-monitor 0:off 1:on 2:on 3:on 4:on 5:on 6:off
mcstrans 0:off 1:off 2:on 3:on 4:on 5:on 6:off
messagebus 0:off 1:off 2:off 3:on 4:on 5:on 6:off
multipathd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
mysqld 0:off 1:off 2:off 3:off 4:off 5:off 6:off
netconsole 0:off 1:off 2:off 3:off 4:off 5:off 6:off
netfs 0:off 1:off 2:off 3:on 4:on 5:on 6:off
netplugd 0:off 1:off 2:off 3:off 4:off 5:off 6:off
network 0:off 1:off 2:on 3:on 4:on 5:on 6:off
rdisc 0:off 1:off 2:off 3:off 4:off 5:off 6:off
restorecond 0:off 1:off 2:on 3:on 4:on 5:on 6:off
sshd 0:off 1:off 2:on 3:on 4:on 5:on 6:off
syslog 0:off 1:off 2:on 3:on 4:on 5:on 6:off
Now, mysqld service was set to off for rc3.d . We are going to On it in rc3.d level with below command.
# chkconfig –levels 3 mysqld on
Will see S64mysqld in /etc/rc3.d in my case. I see K36mysqld when levels 3 was off in my case.
March 5th, 2009 - 12:17 am
Hi,
Great , thanks for sharing
Anyway,
rc2.d >> Multiple user mode without networking availability
March 5th, 2009 - 6:34 pm
Hi Teh,
Thanks for dropping off at my blog. You are corrected
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