[WBEL-users] No chkconfig or ifconfig commands?

[Terry Henderson]

On 7/16/06, Jamey Fletcher <jamey at beau.org> wrote:
> Terry Henderson wrote:
> > On 7/1/06, Johnny Hughes <mailing-lists at hughesjr.com> wrote:
> >> On Fri, 2006-06-30 at 17:59 -0500, Jeffery Mathis wrote:
> >> > I am trying to configure a DNS server using WBEL, but when I run the
> >> > chkconfig or ifconfig commands, I get "command not found".  I'm new to
> >> > WBEL, but I do have prior experience with Red Hat and CentOS.  What is
> >> > going on here?  Does WBEL use different commands or something?
>
> >> Maybe you did not login with root in a way that gives you full
> >> environment variables.
>
> >> Normally, administration is done as the root user and not another user,
> >> and you can get to be root in a couple ways.
>
> >> The most common is to open a terminal and use the su (switch users)
> >> command.  When using "su", you need to use a "-" with the command to get
> >> all the user's environment variables (including the PATH):
>
> >> so to become "root" with all variables set ....
>
> >> su -
>
> >> OR
>
> >> su - root
>
> >> If you use su by itself without the the "-" {ie, "su" or "su root"} you
> >> will have root privileges but will stay in your current directory and
> >> not have all environment variables (like root's PATH).
>
> > Another sonetimes handy option:
> > "su -m" affords full environment variables, (like root's PATH), but
> > will leave you in current directory.
>
>
> The trick is to know just what those switches do.
>
> su without a switch (just the name of the user being switched to,
> defaults to root if not specified) does *nothing* but change the
> effective user ID and create a new shell session, I'm guessing with
> the same shell the user was using before.
>
> su with the -m switch (see above about user name) preserves the
> *PREVIOUS* environment you had - and is actually the default action,
> normally.
>

You are  correct.  "su"  and "su -m" are the same.
Thank you for the correction.
Someone gave me wrong information and I believed it, until now.
>From man su:
-m, --preserve-environment
              do not reset environment variables


> su with just a dash (see above about user name) starts up a login
> session for that user, so .profile, .bashrc, .bash_profile, etc. all get
> run [assuming bash is the root user's shell].  I believe that if root
> has a different shell as its default login shell, say ash or busybox,
> then that is what shell would come up.
>
> This stuff can be tricky, and it's got a lot of years of bullshit crap
> piled up as cruft, so you have to watch out.  A lot of documentation out
> there tells you to add parameters to the X command in the startx script
> on your system - but startx hasn't *BEEN* a script in quite some time now.


-- 
Registered Linux User 188099
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