I'm not familiar with the Windows side, however it is effectively separate
daemon processes that can be stopped and started independently. Remember that
you need to over ride the /etc/init.d/functions killproc if you use symlinks
for the binaries (there are pros and cons to this). Here is the code we use in
our /etc/init.d/$NEW_APACHE scripts to make sure it doesn't kill all the Apache
instances running.
# A function to stop a program.
killproc() {
RC=0; delay=3
# Test syntax.
if [ "$#" -eq 0 ]; then
echo $"Usage: killproc [ -d delay] {program} [signal]"
return 1
fi
if [ "$1" = "-d" ]; then
delay=$2
shift 2
fi
notset=0
# check for second arg to be kill level
if [ -n "$2" ]; then
killlevel=$2
else
notset=1
killlevel="-9"
fi
# Save basename.
base=${1##*/}
# Find pid.
pid=
if [ -f $pidfile ]; then
local line p
read line < $pidfile
for p in $line ; do
[ -z "${p//[0-9]/}" -a -d "/proc/$p" ] && pid="$pid $p"
done
fi
# Kill it.
if [ -n "${pid:-}" ] ; then
[ "$BOOTUP" = "verbose" -a -z "$LSB" ] && echo -n "$base "
if [ "$notset" -eq "1" ] ; then
if checkpid $pid 2>&1; then
# TERM first, then KILL if not dead
kill -TERM $pid >/dev/null 2>&1
usleep 100000
if checkpid $pid && sleep 1 &&
checkpid $pid && sleep $delay &&
checkpid $pid ; then
kill -KILL $pid >/dev/null 2>&1
usleep 100000
fi
fi
checkpid $pid
RC=$?
NUM=`ps -ef | grep $prog | grep -v "grep" | grep -v
"service" | grep -v "init.d" | wc -l`
if [ $NUM -gt 0 ]; then
failure $" shutdown"
echo
ps -ef | grep $prog | grep -v "grep" | grep -v
"service" | grep -v "init.d"
echo
else
[ "$RC" -eq 0 ] && failure $"$base shutdown" ||
success $"$base shutdown"
fi
[ "$RC" -eq 0 ] && failure $"$base shutdown" || success
$"$base shutdown"
RC=$((! $RC))
# use specified level only
else
if checkpid $pid; then
kill $killlevel $pid >/dev/null 2>&1
RC=$?
[ "$RC" -eq 0 ] && success $"$base $killlevel"
|| failure $"$base $killlevel"
fi
fi
else
failure $"$base shutdown"
RC=1
fi
# Remove pid file if any.
if [ "$notset" = "1" ]; then
rm -f $pidfile
fi
return $RC
}
________________________________________
From: Vinay Purohit [mailto:[EMAIL PROTECTED]
Sent: Friday, May 02, 2008 1:58 PM
To: users@httpd.apache.org; users@httpd.apache.org
Subject: RE: [EMAIL PROTECTED] RE:How to start apache daemon in apache 2.2.8 on
RHEL 5.1
Thanks Jet !! Is it effectively different apache virtual running as a different
daemon which can be started and stoped without affecting others ? Is it same as
running IP based virtual server (apache3.3.8 service/daemon) on windows ?
\Vinay
________________________________________
From: Wilda, Jet [mailto:[EMAIL PROTECTED]
Sent: Fri 5/2/2008 11:15 PM
To: users@httpd.apache.org
Subject: RE: [EMAIL PROTECTED] RE:How to start apache daemon in apache 2.2.8 on
RHEL 5.1
Hi,
We run multiple Apache httpd instances on Red hat all with
different server roots and here is how we do it (I hope this is what
your asking,-). Below are the steps we do to create a new server root
and binary (or symlink of a new binary to the old). $ORIG_APACHE=httpd
and $NEW_APACHE=whatever_you_want and $BINDIR=/usr/sbin.
OLD_CONF=$ETC/$ORIG_APACHE
NEW_LOG=$APPLOG/$NEW_APACHE
NEW_CONF=$ETC/$NEW_APACHE
# create the new directory for the configuration files
mkdir $ETC/$NEW_APACHE
# create a logging directory
mkdir $NEW_LOG
# OK, now build out the configuration directory
ln -s $NEW_LOG $NEW_CONF/logs
ln -s /usr/lib/$ORIG_APACHE/modules $NEW_CONF/modules
ln -s $VAR/run $NEW_CONF/run
# link in a new executable
ln -s $BINDIR/$BINNAME $BINDIR/$NEWBINNAME
# copy in the configuration files
mkdir $NEW_CONF/conf
cp -Rp $OLD_CONF/conf/* $NEW_CONF/conf/
# make modifications to the configuration files
sed -e "s/$ORIG_APACHE\.pid/$NEW_APACHE\.worker\.pid/g" \
-e "s/\/$ORIG_APACHE/\/$NEW_APACHE/g" --in-place
$NEW_CONF/conf/httpd.conf
# copy in the subordinate configuration files
mkdir $NEW_CONF/conf.d
cp -Rp $OLD_CONF/conf.d/* $NEW_CONF/conf.d/
# add 2 lines into /etc/sysconfig/$NEW_APACHE
echo "HTTPD=/usr/sbin/$NEWBINNAME" >> $ETC/sysconfig/$NEW_APACHE
echo "OPTIONS=\"-d $ETC/$NEW_APACHE\"" >> $ETC/sysconfig/$NEW_APACHE
# Copy the rc start script
cp $ETC/init.d/$ORIG_APACHE $ETC/init.d/$NEW_APACHE
#Add the the automatic startup scripts and set to start on boot
chkconfig --add $NEW_APACHE
chkconfig $NEW_APACHE on
Then just edit the $ETC/$NEW_APACHE/conf/httpd.conf and/or the
$ETC/$NEW_APACHE/conf.d/ssl.conf and as root 'service $NEW_APACHE
start'. NOTE this assumes that you are using the default structure that
Red Hat lays it's Apache httpd down as.
One thing to NOTE is that we had to over-ride the killproc function in
'/etc/init.d/functions' because of the way it tries to find the pid of
what is running. Since we symlink the binarys it would kill all the
running apache instances.
Hope that helps :-)
~Jet
-----Original Message-----
From: Eric Covener [mailto:[EMAIL PROTECTED]
Sent: Friday, May 02, 2008 11:26 AM
To: users@httpd.apache.org
Subject: Re: [EMAIL PROTECTED] RE:How to start apache daemon in apache 2.2.8
on RHEL 5.1
On Fri, May 2, 2008 at 10:12 AM, Vinay Purohit
<[EMAIL PROTECTED]> wrote:
> Thanks Eric :-)
>
> Can you please provide little more detail on this. Precisely, I want
to
> run multiple httpd based on the httpd.conf supplied as start
parameter.
Create a set of init scripts based on the one supplied by redhat, and
modify the invocation of apachectl or httpd within the script to pass
different -f parameters.
--
Eric Covener
[EMAIL PROTECTED]
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