hi I'd like to optimize according to this webpage http://www.linux-faqs.com/squid.php my squid 2.6.STABLE5 installed on Debian Etch (PC 4, 2GHz, 2GB RAM) for about 150 users. I should put the following two lines: ulimit -HSn 8192 echo 1024 32768 > /proc/sys/net/ipv4/ip_local_port_range in /etc/init.d/squid, but I don't know where exactly. my /etc/init.d/squid: ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- #! /bin/sh # # squid Startup script for the SQUID HTTP proxy-cache. # # Version: @(#)squid.rc 2.20 01-Oct-2001 miquels@xxxxxxxxxx # ### BEGIN INIT INFO # Provides: squid # Required-Start: $local_fs $network # Required-Stop: $local_fs $network # Should-Start: $named # Should-Stop: $named # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Squid HTTP Proxy ### END INIT INFO NAME=squid DAEMON=/usr/sbin/squid LIB=/usr/lib/squid PIDFILE=/var/run/$NAME.pid SQUID_ARGS="-D -sYC" [ ! -f /etc/default/squid ] || . /etc/default/squid . /lib/lsb/init-functions PATH=/bin:/usr/bin:/sbin:/usr/sbin [ -x $DAEMON ] || exit 0 grepconf () { w=" " # space tab sq=/etc/squid/squid.conf # sed is cool. res=`sed -ne ' s/^'$1'['"$w"']\+\([^'"$w"']\+\).*$/\1/p; t end; d; :end q' < $sq` [ -n "$res" ] || res=$2 echo "$res" } grepconf2 () { w=" " # space tab sq=/etc/squid/$NAME.conf # sed is cool. res=`sed -ne ' s/^'$1'['"$w"']\+[^'"$w"']\+['"$w"']\+\([^'"$w"']\+\).*$/\1/p; t end; d; :end q' < $sq` [ -n "$res" ] || res=$2 echo "$res" } # # Try to increase the # of filedescriptors we can open. # maxfds () { [ -n "$SQUID_MAXFD" ] || return [ -f /proc/sys/fs/file-max ] || return 0 [ $SQUID_MAXFD -le 4096 ] || SQUID_MAXFD=4096 global_file_max=`cat /proc/sys/fs/file-max` minimal_file_max=$(($SQUID_MAXFD + 4096)) if [ "$global_file_max" -lt $minimal_file_max ] then echo $minimal_file_max > /proc/sys/fs/file-max fi ulimit -n $SQUID_MAXFD } start () { cdr=`grepconf2 cache_dir /var/spool/$NAME` case "$cdr" in [0-9]*) log_failure_msg "squid: squid.conf contains 2.2.5 syntax - not starting!" log_end_msg 1 exit 1 ;; esac # # Create spool dirs if they don't exist. # if [ -d "$cdr" -a ! -d "$cdr/00" ] then log_warning_msg "Creating squid spool directory structure" $DAEMON -z fi if [ "$CHUID" = "" ]; then CHUID=root fi maxfds umask 027 cd $cdr start-stop-daemon --quiet --start \ --pidfile $PIDFILE \ --chuid $CHUID \ --exec $DAEMON -- $SQUID_ARGS < /dev/null return $? } stop () { PID=`cat $PIDFILE 2>/dev/null` start-stop-daemon --stop --quiet --pidfile $PIDFILE --name squid # # Now we have to wait until squid has _really_ stopped. # sleep 2 if test -n "$PID" && kill -0 $PID 2>/dev/null then log_action_begin_msg " Waiting" cnt=0 while kill -0 $PID 2>/dev/null do cnt=`expr $cnt + 1` if [ $cnt -gt 24 ] then log_action_end_msg 1 return 1 fi sleep 5 log_action_cont_msg "" done log_action_end_msg 0 return 0 else return 0 fi } case "$1" in start) log_daemon_msg "Starting Squid HTTP proxy" "squid" if start ; then log_end_msg $? else log_end_msg $? fi ;; stop) log_daemon_msg "Stopping Squid HTTP proxy" "squid" if stop ; then log_end_msg $? else log_end_msg $? fi ;; reload|force-reload) log_action_msg "Reloading Squid configuration files" start-stop-daemon --stop --signal 1 \ --pidfile $PIDFILE --quiet --exec $DAEMON log_action_end_msg 0 ;; restart) log_daemon_msg "Restarting Squid HTTP proxy" "squid" stop if start ; then log_end_msg $? else log_end_msg $? fi ;; *) echo "Usage: /etc/init.d/$NAME {start|stop|reload|force-reload|restart}" exit 3 ;; esac exit 0 ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Piotr
