Init lvl 2 or 3

DropHit · 12-20-2003, 09:44 PM

If i do not have other machines to share files with i.e. i am running a webserver only, would i need NFS I mean does NFS do anything with web or is it just for network?

please help

Init 2 or 3

Z

Technoslave · 12-21-2003, 12:53 AM

NFS is Network File System. If you're not doing a networked file system of any kind, then you don't need to run it.

Init 3 is usually a multiusre system with no gui.
init 2 ( looking at inittab ) multiuser without NFS.

Yeah, it mention something about no network, but if you look in your /etc/rc2.d and /etc/rc3.d all you should see is a missing S14nfslock or some such between the two.

DropHit · 12-21-2003, 01:04 AM

OK I see so whats the diff between 2 and 3 no NFS right> Or should i just turn off nfs?

Z

Technoslave · 12-21-2003, 01:55 AM

Yeah, as far as I can tell, it's just NFS...if you don't run NFS, then init 2 will work for you.

DropHit · 12-21-2003, 02:00 PM

OK now i have noticed that on init 3 and/or 2 some services like httpd dont seem to be running.

i.e. When i am in init 3 and i want to drop to the gui i do a telinit 5 command and it looks like linux is loading those services, including httpd!!

Is httpd running in init 3

Z

Technoslave · 12-22-2003, 01:01 AM

You need to look in your /etc/rc.#

init 2 is /etc/rc2.d, 3 is /etc/rc3.d, and 5 is /etc/rc5.d

LOOK in those directories. You'll see what gets started.

bcarl314 · 12-23-2003, 07:13 AM

Altenatively, you could use

$> checkconfig --list

to see all the services at all run levels.

badgerracing · 12-23-2003, 04:10 PM

You should be running in 3 NOT 2. And just disable the services you do not want running.

Like bcarl314 posted, use the chkconfig utility to disable services. IE:

[root@ohssa01 root]# chkconfig --list
nfs 0

ff 1

ff 2

ff 3

ff 4

ff 5

ff 6

ff

to turn a service on/off use:
#chkconfig [--level <levels>] <name> <on|off|reset>)

#chkconfig --level 23456 nfs off

-----------------------
John

Technoslave · 12-23-2003, 11:58 PM

Nevermind, not worth the hassle of explaining.

badgerracing · 12-24-2003, 11:35 AM

Since Technoslave wont take the time to explain, I will.

If you are a newbie to RedHat Linux and you do not understand the inits, then the "chkconfig" utility is a very nice tool that controls the system services. It allows you to view all the services that will start on your system and what runlevel they will start in.

If you are running a networked workstation or server then your default runlevel should be 3, then turn off the servies you do not wish to run.

John

DropHit · 12-24-2003, 01:29 PM

Yeah ok done

Thx