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Showing all users in 'users' and 'top' commands

 
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Old 02-07-2012
Showing all users in 'users' and 'top' commands
Hi All,

I work in a multi user environment where my school uses Red Hat Linux server. When I issue commands such as "top" or "users", I get to see what others are doing and what kinds of applications they are running (even ps -aux will give such information). "users" will let me know who else is currently logged in. I use Linux at my school not as a superuser.

My question is "Is it not a flaw in the design of the Operating System that I cannot have my privacy in the multi user environment?" The fact is "Why should others see what I am doing on a particular machine?" Only Administrator should have that right.

I am sure there are plenty of talented minds who design the OS but why is this not incorporated in OS? At least there should be an option to disable or enable this. Or is there any specific reason why OS designers have not incorporated this feature in the kernel or even in commands such as top, ps or users?
Last edited by shoaibjameel123; 02-07-2012 at 02:26 AM..
 
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spacewalk-channel

SPACEWALK-CHANNEL(8)						   Red Hat, Inc.					      SPACEWALK-CHANNEL(8)

NAME

       spacewalk-channel - Subscribe to or unsubscribe system from channel.

SYNOPSIS

       spacewalk-channel [options]

DESCRIPTION

       spacewalk-channel  allows  you  to  subscribe  to  and  unsubscribe from specified channels via the command line. A visit to the "Spacewalk
       Server", "Red Hat Satellite" or "Red Hat Network Classic" website isn't required.

OPTIONS

       -l, --list
	      Print a list of channel(s) that you are currently subscribed to.

       -b, --base
	      Print a base channel that you are currently subscribed to.

       -L, --available-channels
	      Print a list of all available child channels.

       -a, --add
	      You are subscribing system to given channel(s). You have to specify --user and --password.

       -r, --remove
	      You are unsubscribing system to given channel(s). You have to specify --user and --password.

       -u, --user
	      Your username used to register the system with and for Red Hat Network Classic, Red Hat Satellite or Spacewalk.  If you do not enter
	      this option and it is required, you will be prompted.

       -p, --password
	      The  password  associated  with the username specified with the --user option. This is an unencrypted password.  If you do not enter
	      this option and it is required, you will be prompted.

       -c, --channel
	      Label of channel you want to subscribe to or unsubscribe from. Can be specified multiple times.

       -v, --verbose
	      Print out successfull action.

       -h, --help
	      Show a help message and exit.

NOTE

       The addition and removal of channels is mutually exclusive, please use the command twice.

EXAMPLES

       Subscribe to two channels:

	      spacewalk-channel --add -c rhn-tools-rhel-i386-server-5 -c rhel-i386-server-vt-5 --user username --password password

       Unsubscribe from channel:

	      spacewalk-channel --remove -c rhn-tools-rhel-i386-server-5 -c rhel-i386-server-vt-5 --user username --password password

       List subscribed channels:

	      spacewalk-channel --list

SEE ALSO

       rhnplugin(8), rhn_register(8), up2date(5).

AUTHORS

       Miroslav Suchy <msuchy@redhat.com>

BUGS

       Report bugs to <http://bugzilla.redhat.com>.

COPYRIGHT

       Copyright (C) 2009-2010 Red Hat, Inc.

       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

Linux								  2010 August 30					      SPACEWALK-CHANNEL(8)