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Full Discussion: sendmail failed after patch update
Operating Systems Solaris sendmail failed after patch update Post 302224320 by sparcguy on Tuesday 12th of August 2008 11:39:02 PM
Old 08-13-2008
patching sendmail is very dangerous. Before patching ALWAYS!!! backup

/etc/mail <--- everything in here

/usr/lib/sendmail <--- backup the binary

The patch special instruction does not say anything but once you install sendmail patch it will generate new sendmail binary and overwrite everything else, aliases files, cf files everything - make sure you do backup.

some crazy sites use multiple sendmail versions especially telco can have very messy systems, I did one customer some years back, there's at least 5 different sendmail binaries location on the server after issuing the "find" command, messy guy.

To tell what is your current sendmail and which cf file it is using run command
/usr/lib/sendmail -d0.11 -bp
 

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LEARN ABOUT DEBIAN

what-patch

WHAT-PATCH(1)						      General Commands Manual						     WHAT-PATCH(1)

NAME

       what-patch - detect which patch system a Debian package uses

SYNOPSIS

       what-patch [options]

DESCRIPTION

       what-patch examines the debian/rules file to determine which patch system the Debian package is using.

       what-patch should be run from the root directory of the Debian source package.

OPTIONS

       Listed below are the command line options for what-patch:

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

       -v     Enable verbose mode.  This will include the listing of any files modified outside or the debian/ directory and report any additional
	      details about the patch system if available.

AUTHORS

       what-patch was written by Kees Cook <kees@ubuntu.com>, Siegfried-A. Gevatter <rainct@ubuntu.com>, and  Daniel  Hahler  <ubuntu@thequod.de>,
       among others.  This manual page was written by Jonathan Patrick Davies <jpds@ubuntu.com>.

       Both are released under the GNU General Public License, version 3 or later.

SEE ALSO

       The Ubuntu MOTU team has some documentation about patch systems at the Ubuntu wiki: https://wiki.ubuntu.com/PackagingGuide/PatchSystems

       cdbs-edit-patch(1), dbs-edit-patch(1), dpatch-edit-patch(1)

DEBIAN
								 Debian Utilities						     WHAT-PATCH(1)
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