devmon-support

[Devmon] Running Devmon as Hobbit User

[Geoff H. <geo...@gm...>]

Hi All,

Is there a way to get Devmon to run as a normal user (Hobbit user)? For me,
even if I change permissions on the /var/lock/subsys folders, it will not
let it run as a normal user. I get the following error:

touch: cannot touch `/var/lock/subsys/devmon': Permission denied

Reason I want this is so when Devmon goes purple, I can have hobbit (as the
hobbit user with group users), run the command to restart the daemon
automatically instead of scheduling restart cron jobs.

Thanks.

Geoff Hallford

##################################

Permissions:

*AS ROOT*

bigbrother:/var/lock # whoami
root

bigbrother:/var/lock # ls -l
total 0
drwxrwxr-t   4 root uucp   96 Mar  9 09:13 .
drwxr-xr-x  16 root root  408 Mar  9 08:45 ..
drwxr-xr-x   2 root root   48 Jul 10  2008 dmraid
drwxrw-rw-   3 root users 208 Mar 16 08:25 subsys

bigbrother:/var/lock # cd subsys/

bigbrother:/var/lock/subsys # ls -l
total 0
drwxrw-rw-  3 root users 208 Mar 16 08:25 .
drwxrwxr-t  4 root uucp   96 Mar  9 09:13 ..
-rwxrw-rw-  1 root users   0 Mar 15 09:15 sec.pl
-rwxrw-rw-  1 root users   0 Oct 23 14:00 smbfs
-rwxrw-rw-  1 root users   0 Mar 15 09:15 snmptrapd
-rwxrw-rw-  1 root users   0 Mar 15 09:15 snmptt
drwxrw-rw-  2 root users  48 Sep  9  2005 sysconfig

*AS HOBBIT*

hobbit@bigbrother:/var/lock> whoami
hobbit

hobbit@bigbrother:/var/lock> ls -l
total 0
drwxr-xr-x  2 root root   48 2008-07-10 13:18 dmraid
drwxrw-rw-  3 root users 208 2009-03-16 08:25 subsys

hobbit@bigbrother:/var/lock> cd subsys/
-bash: cd: subsys/: Permission denied

hobbit@bigbrother:/var/lock> ls -l subsys/
/bin/ls: subsys/smbfs: Permission denied
/bin/ls: subsys/sysconfig: Permission denied
/bin/ls: subsys/sec.pl: Permission denied
/bin/ls: subsys/snmptt: Permission denied
/bin/ls: subsys/snmptrapd: Permission denied
total 0

Re: [Devmon] Running Devmon as Hobbit User

[Malcolm H. <mal...@gm...>]

> *AS HOBBIT*
> 
> hobbit@bigbrother:/var/lock> whoami
> hobbit
> 
> hobbit@bigbrother:/var/lock> ls -l
> total 0
> drwxr-xr-x  2 root root   48 2008-07-10 13:18 dmraid
> drwxrw-rw-  3 root users 208 2009-03-16 08:25 subsys
> 
> hobbit@bigbrother:/var/lock> cd subsys/
> -bash: cd: subsys/: Permission denied

You need execute permission on subsys to be able to cd into it. Also hobbit should be a member of the group that owns it - I recommend you change the group to something other than "users" though.

Regards,
Malcolm
-- 
Technical copy-editor & proofreader

KDE Proofreading Team
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Re: [Devmon] Running Devmon as Hobbit User

[Geoff H. <geo...@gm...>]

Thanks. Forgot about the execute (duh!). I don't believe devmon was designed
to run as a normal user though, as I also can't stop the daemon as a normal
user, as killproc is in /sbin. I know I can move that to /bin but I don't
think that is safe.

Stopping Devmon: /etc/rc.d/devmon: line 28: killproc: command not found

Any suggestions?

Thanks.

'Nobody goes there anymore. It's too crowded.' --Yogi Berra


On Mon, Mar 16, 2009 at 8:41 AM, Malcolm Hunter <mal...@gm...>wrote:

> > *AS HOBBIT*
> >
> > hobbit@bigbrother:/var/lock> whoami
> > hobbit
> >
> > hobbit@bigbrother:/var/lock> ls -l
> > total 0
> > drwxr-xr-x  2 root root   48 2008-07-10 13:18 dmraid
> > drwxrw-rw-  3 root users 208 2009-03-16 08:25 subsys
> >
> > hobbit@bigbrother:/var/lock> cd subsys/
> > -bash: cd: subsys/: Permission denied
>
> You need execute permission on subsys to be able to cd into it. Also hobbit
> should be a member of the group that owns it - I recommend you change the
> group to something other than "users" though.
>
> Regards,
> Malcolm
> --
> Technical copy-editor & proofreader
>
> KDE Proofreading Team
> KDE British English Translation Team
>
> http://l10n.kde.org/team-infos.php?teamcode=en_GB
>
> Psssst! Schon vom neuen GMX MultiMessenger gehört? Der kann`s mit allen:
> http://www.gmx.net/de/go/multimessenger01
>
>
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Re: [Devmon] Running Devmon as Hobbit User

[Buchan M. <bg...@st...>]

On Monday 16 March 2009 14:56:28 Geoff Hallford wrote:
> Thanks. Forgot about the execute (duh!). I don't believe devmon was
> designed to run as a normal user

It was. The Mandriva package, the packages I provide for RHEL, and all my 
systems, have devmon running as non-root (as 'devmon').

> though, as I also can't stop the daemon as
> a normal user,

Which user the daemon runs as, and which user can start/stop it are different 
issues.

> as killproc is in /sbin. I know I can move that to /bin but
> I don't think that is safe.

The init script may not have been tested with your distro ... on Red-Hat-style 
systems, killproc is a function defined in /etc/rc.d/functions, which is 
sourced by the init script.

Newer versions of the initscripts package (e.g. RHEL5 and newer) have a 
killproc which works with pid files in subdirectories of /var/run, which is 
used correctly by devmon 0.3.1-b1 (and if not present, it uses an internal 
function which is basically a copy of the newer killproc) to more reliably 
shut devmon down when running as non-root.

> Stopping Devmon: /etc/rc.d/devmon: line 28: killproc: command not found

Here are some options:

1)Adjust the PATH in the init script to  include /sbin
2)Submit a patch or new init script for your OS/distro
3)Use packages supplied by your OS/distro


Regards,
Buchan

Re: [Devmon] Running Devmon as Hobbit User

[Malcolm H. <mal...@gm...>]

> Thanks. Forgot about the execute (duh!). I don't believe devmon was
> designed
> to run as a normal user though, as I also can't stop the daemon as a
> normal
> user, as killproc is in /sbin. I know I can move that to /bin but I don't
> think that is safe.
> 
> Stopping Devmon: /etc/rc.d/devmon: line 28: killproc: command not found
> 
> Any suggestions?

You should be able to run devmon as a user - I have it running as user "devmon". What OS are you running? For Linux, there is a Fedora-style rc script provided which has a RUNASUSER option in it.

Also, I've not used killproc - I mainly use kill.

Regards,
Malcolm
-- 
Technical copy-editor & proofreader

KDE Proofreading Team
KDE British English Translation Team

http://l10n.kde.org/team-infos.php?teamcode=en_GB

Psssst! Schon vom neuen GMX MultiMessenger gehört? Der kann`s mit allen: http://www.gmx.net/de/go/multimessenger01

Re: [Devmon] Running Devmon as Hobbit User

[Geoff H. <geo...@gm...>]

Hi Malcolm,

I am running SUSE 10.0. The kill command is available to the normal users.
Can you please send me your sample rc script? Mine is below and has issues
obviously as a normal user.

#####################

#!/bin/bash
#
# chkconfig: 2345 90 10
# description: An snmp data collector for the hobbit & BigBrother network
#              monitoring suites
# processname: devmon
# pidfile: /var/run/devmon/devmon.pid
# config: /usr/local/devmon/devmon.cfg

# source function library
#. /etc/init.d/functions

RETVAL=0

prog="/usr/local/devmon/devmon"

start() {
        echo -n $"Starting Devmon: "

        $prog
        RETVAL=$?
        echo
        [ $RETVAL -eq 0 ] && touch /var/lock/subsys/devmon
}

stop() {
        echo -n $"Stopping Devmon: "
        killproc devmon
        RETVAL=$?
        echo
        [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/devmon
}

case "$1" in
  start)
        start
        ;;
  stop)
        stop
        ;;
  restart|reload)
        stop
        start
        ;;
  *)
        echo $"Usage: $0 {start|stop|restart|condrestart|status}"
        exit 1
esac

exit $RETVAL

#####################

Thanks.

'Nobody goes there anymore. It's too crowded.' --Yogi Berra


On Mon, Mar 16, 2009 at 9:08 AM, Malcolm Hunter <mal...@gm...>wrote:

> > Thanks. Forgot about the execute (duh!). I don't believe devmon was
> > designed
> > to run as a normal user though, as I also can't stop the daemon as a
> > normal
> > user, as killproc is in /sbin. I know I can move that to /bin but I don't
> > think that is safe.
> >
> > Stopping Devmon: /etc/rc.d/devmon: line 28: killproc: command not found
> >
> > Any suggestions?
>
> You should be able to run devmon as a user - I have it running as user
> "devmon". What OS are you running? For Linux, there is a Fedora-style rc
> script provided which has a RUNASUSER option in it.
>
> Also, I've not used killproc - I mainly use kill.
>
> Regards,
> Malcolm
> --
> Technical copy-editor & proofreader
>
> KDE Proofreading Team
> KDE British English Translation Team
>
> http://l10n.kde.org/team-infos.php?teamcode=en_GB
>
> Psssst! Schon vom neuen GMX MultiMessenger gehört? Der kann`s mit allen:
> http://www.gmx.net/de/go/multimessenger01
>
>
> ------------------------------------------------------------------------------
> Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are
> powering Web 2.0 with engaging, cross-platform capabilities. Quickly and
> easily build your RIAs with Flex Builder, the Eclipse(TM)based development
> software that enables intelligent coding and step-through debugging.
> Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com
> _______________________________________________
> Devmon-support mailing list
> Dev...@li...
> https://lists.sourceforge.net/lists/listinfo/devmon-support
>