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RE: [squid-users] 2 squid processes

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On a redhat distro, this is what I have done, for 2 squid instances...  This
is only in the lab so I may have missed something, hope it helps a
little....

Make a /etc/squid2 directory & copy data into it, also make a cache dir for
the second instance & copy the init script

	mkdir /etc/squid2
	cp -r /etc/squid /etc/squid2
	cp /etc/init.d/squid /etc/init.d/squid2
	mkdir -p /var/spool/squid2 ; chmod 750 /var/spool/squid2 ; chown
squid.squid /var/spool/squid2

Link squid2 to squid ( to get a different process to look for in the
initscripts pidof() )

	ln -s /usr/sbin/squid /usr/sbin/squid2

Differences between /etc/init.d/squid & /etc/init.d/squid2 ( < = squid   > =
squid2 )

< [ -f /etc/squid/squid.conf ] || exit 0
> [ -f /etc/squid2/squid.conf ] || exit 0

< if [ -f /etc/sysconfig/squid ]; then
<   . /etc/sysconfig/squid

> if [ -f /etc/sysconfig/squid2 ]; then
>   . /etc/sysconfig/squid2

< [ -f /usr/sbin/squid ] && SQUID=squid
> [ -f /usr/sbin/squid2 ] && SQUID=squid2

< CACHE_SWAP=`sed -e 's/#.*//g' /etc/squid/squid.conf | \
> CACHE_SWAP=`sed -e 's/#.*//g' /etc/squid2/squid.conf | \

< [ -z "$CACHE_SWAP" ] && CACHE_SWAP=/var/spool/squid
> [ -z "$CACHE_SWAP" ] && CACHE_SWAP=/var/spool/squid2

<            $SQUID -z -F -D 2>/dev/null
>            $SQUID -f /etc/squid2/squid.conf -z -F -D 2>/dev/null

<           [ ! -f /var/run/squid.pid ] || break
>           [ ! -f /var/run/squid2.pid ] || break

<         $SQUID -k shutdown &
>         $SQUID -f /etc/squid2/squid.conf -k shutdown &

<               [ -f /var/run/squid.pid ] || break
>               [ -f /var/run/squid2.pid ] || break

<     [ -e /var/lock/subsys/squid ] && restart || :
>     [ -e /var/lock/subsys/squid2 ] && restart || :


Differences between /etc/squid/squid.conf & /etc/squid2/squid.conf ( < is
squid/squid.conf    > is squid2/squid.conf )

< cache_dir aufs /var/spool/squid 5000 32 256

> cache_dir aufs /var/spool/squid2 5000 32 256
> cache_access_log /var/log/squid2/access.log
> cache_log /var/log/squid2/cache.log

> pid_filename /var/run/squid2.pid 


chkconfig squid2 on
service squid2 start

Hope this helps as well...

J.J.

-----Original Message-----
From: Chris Robertson [mailto:crobertson@xxxxxxx] 
Sent: Tuesday, May 03, 2005 2:35 PM
To: squid-users@xxxxxxxxxxxxxxx
Subject: RE: [squid-users] 2 squid processes

>> -----Original Message-----
>> From: Chris Robertson [mailto:crobertson@xxxxxxx]
>> Sent: Friday, April 29, 2005 10:55 AM
>> To: squid-users@xxxxxxxxxxxxxxx
>> Subject: RE: [squid-users] 2 squid processes
>> 
>> 
>> > -----Original Message-----
>> > From: Discussion Lists [mailto:discussions@xxxxxxxxxxxxxx]
>> > Sent: Friday, April 29, 2005 8:16 AM
>> > To: squid-users@xxxxxxxxxxxxxxx
>> > Subject: [squid-users] 2 squid processes
>> > 
>> > 
>> > All,
>> > Obscure question here: Has anyone been able to get 2 squid
>> processes
>> > running?  I remember corresponding to a gentleman a while
>> back who was
>> > able to get it to work, and he gave me his init-scripts, and conf 
>> > files. Since then I have been unable to find that stuff try
>> as I may,
>> > so I wanted to check with you good folks to see if any of you have 
>> > something like that which can help me?  The problem is that
>> the single
>> > squid process can't handle all of what I want:
>> > 
>> > -Internal squid listener for proxy clients -External squid listener 
>> > to publish our websites Port 80. -External squid listener to 
>> > publish SSL Port 443.
>> > 
>> > I found the following link (scroll down a third of the way) and it 
>> > describes how to do this, but it would be really helpful to
>> see config
>> > files, and init files.
>> > 
>> > 
>> http://66.102.7.104/search?q=cache:OwnNlpbABqgJ:www.swelltech.com/sup
>> p
>> > or
>> > 
>> t/webminguide/ch03.html+%22two+squid+processes%22&hl=en&client
>> =firefox-a
>> > 
>> > Thanks!
>> 
>> I have two squid processes running on one box, but only to take 
>> advantage of a second processor.  One instance Squid is capable of 
>> running as both a caching proxy, and a web-accelerator 
>> (http://www.squid-cache.org/Doc/FAQ/FAQ-20.html).
>> 
>> In any case, if you want to follow the path of running two processes, 
>> then you just need to follow the FAQ on setting up each conf file.  
>> The directives that MUST be different for each conf file are 
>> http_port, icp_port (if it's not set to 0), cache_dir, 
>> cache_access_log (if not set to /dev/null), cache_log, 
>> cache_swap_log, pid_filename, and snmp_port (if squid was compiled 
>> with snmp support).
>> 
>> You can use the same squid binary for both processes, just specify a 
>> different conf file for them to use (e.g. squid -f 
>> /path/to/accelerator.conf && squid -f /path/to/cache.conf).
>> 
>> Chris
>> 
> -----Original Message-----
> From: Discussion Lists [mailto:discussions@xxxxxxxxxxxxxx]
> Sent: Tuesday, May 03, 2005 11:24 AM
> To: squid-users@xxxxxxxxxxxxxxx
> Subject: RE: [squid-users] 2 squid processes
> 
> 
> Okay I read your adivice and finally was able to find blurb about it 
> in the FAQ.  So my question is this . . . How do I get the second 
> process to create its own cache?  I can see how to set it up in init 
> to use a different cache location, but it still needs to know how to
create it.
> How would I go about doing that?
> 
> Thanks!
> 

"squid -f /path/to/second/squid.conf -z" ought to do it.

Chris


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