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Full Discussion: why emacs caused "command not found" error
Top Forums UNIX for Dummies Questions & Answers why emacs caused "command not found" error Post 302116082 by RTM on Tuesday 1st of May 2007 04:17:54 PM
Old 05-01-2007
From people.redhat.com

When someone comes into #redhat and has troubles, often users give that person specific commands to run, to help diagnose the problem. Often users run those programs but get "Command not found" messages so they assume they do not have said program installed. Most times however, that is not the case. The program is just not in the user's $PATH. For example, fuser or modprobe are located in "/sbin" directory. Traditionally /sbin is not in a user's PATH because they contain system binaries which users should not have to use. In order to run these programs, you have to do one of two things. 1) add "/sbin" to your path (not recommended) or 2) add the path to the command (commonly referred to as "absolute paths"). So instead of typing: fuser, type: /sbin/fuser.

Now the problem is solved by this raises another question, how did you know fuser was in /sbin? You may have heard of a command called which that will show you the full path of shell commands. But a more useful command to learn is called whereis. "whereis" will not only locate the binary, but it'll find its man pages and even source code. "whereis fuser" will return /sbin/fuser & fuser's man page location.
 

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LEARN ABOUT DEBIAN

rhn-profile-sync

RHN-PROFILE-SYNC(8)						   Red Hat, Inc.					       RHN-PROFILE-SYNC(8)

NAME

       rhn-profile-sync - Update system information on Red Hat Network.

SYNOPSIS

       rhn-profile-sync [options]

DESCRIPTION

       rhn-profile-sync  is  a	client program that connects to Red Hat Network (or a Red Hat Network Satellite) and refreshes the data stored for
       this system.

       rhn-profile-sync updates data about installed packages, machine hardware, and virtual guest instances (if virtualization is enabled).

OPTIONS

       -v, --verbose
	      Increase the debugging output.

       --proxy=PROXY
	      Specify an http proxy to use.

       --proxyUser=PROXYUSER
	      Specify a username to use for an authenticated proxy. This option must be used in conjunction with proxyPassword.

       --proxyPassword=PROXYPASSWORD
	      Specify a password to use for an authenticated proxy. This option must be used in conjunction with proxyUser.

       --version
	      Show the program's version number and exit.

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

FILES

       /etc/sysconfig/rhn/up2date
	      The common configuration file used by RHN client programs.

SEE ALSO

       rhn_check(8), rhn_register(8), rhnreg_ks(8), rhnsd(8), up2date(5).

AUTHORS

       See the AUTHORS file included with this software.

       This manual page was written by James Bowes <jbowes@redhat.com>

BUGS

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

COPYRIGHT

       Copyright (C) 1999-2010 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					       RHN-PROFILE-SYNC(8)
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